JP6944934B2 - Cosmetic material - Google Patents

Cosmetic material Download PDF

Info

Publication number
JP6944934B2
JP6944934B2 JP2018524018A JP2018524018A JP6944934B2 JP 6944934 B2 JP6944934 B2 JP 6944934B2 JP 2018524018 A JP2018524018 A JP 2018524018A JP 2018524018 A JP2018524018 A JP 2018524018A JP 6944934 B2 JP6944934 B2 JP 6944934B2
Authority
JP
Japan
Prior art keywords
resin layer
foamed resin
layer
decorative material
decorative
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2018524018A
Other languages
Japanese (ja)
Other versions
JPWO2017217518A1 (en
Inventor
孝志 土井
孝志 土井
正文 清水
正文 清水
白行 野口
白行 野口
亘 角
亘 角
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dai Nippon Printing Co Ltd
Kaneka Corp
Original Assignee
Dai Nippon Printing Co Ltd
Kaneka Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dai Nippon Printing Co Ltd, Kaneka Corp filed Critical Dai Nippon Printing Co Ltd
Publication of JPWO2017217518A1 publication Critical patent/JPWO2017217518A1/en
Application granted granted Critical
Publication of JP6944934B2 publication Critical patent/JP6944934B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/16—Flooring, e.g. parquet on flexible web, laid as flexible webs; Webs specially adapted for use as flooring; Parquet on flexible web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0221—Vinyl resin
    • B32B2266/0228—Aromatic vinyl resin, e.g. styrenic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/75—Printability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2451/00—Decorative or ornamental articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Floor Finish (AREA)

Description

本発明は、化粧材に関する。 The present invention relates to a decorative material.

窓際（出窓台）やトイレ及び洗面（床材）等に使用される化粧材には、従来木質材が使用されている（例えば、特許文献１等参照）。ところが、窓際やトイレ及び洗面といった場所は、結露や水（湿度、尿等）が多く、また、夏場は暑く冬場は寒いというように温度差が大きい環境であるため、これらの場所に使用される化粧板が木質材であると、耐水性が劣ることからカビや反りが発生しやすく安定して使用できなかった。
このような化粧材の耐水性を満たすためには、非木質材料である樹脂材料で化粧材を構成することが考えられ、特に耐水性及び断熱性に優れる樹脂発泡層を有する化粧材を用いることも検討されている（例えば、特許文献２等）。Conventionally, wood materials are used as decorative materials used for windows (bay window stands), toilets, washbasins (floor materials), etc. (see, for example, Patent Document 1 and the like). However, places such as windows, toilets, and washbasins have a lot of condensation and water (humidity, urine, etc.), and the temperature difference is large, such as hot in summer and cold in winter, so they are used in these places. If the veneer is made of wood, the water resistance is inferior, so that mold and warpage are likely to occur, and the veneer cannot be used stably.
In order to satisfy the water resistance of such a decorative material, it is conceivable to compose the decorative material with a resin material which is a non-wood material, and in particular, use a decorative material having a resin foam layer having excellent water resistance and heat insulating properties. Is also being studied (for example, Patent Document 2 and the like).

特開２００１−１２３６４７号公報Japanese Unexamined Patent Publication No. 2001-123647 特開２００８−２３８７２８号公報Japanese Unexamined Patent Publication No. 2008-238728

樹脂発泡層を有する化粧材は、非木質材のため耐水性に優れ、上述した従来の問題を解決し得る化粧材であるといえる。
しかしながら、非木質材料である樹脂材料の化粧材の場合、樹脂材料の温度による寸法変化による反りが発生することがあり、一方、発泡樹脂材料を用いる場合は耐衝撃性に劣るという問題があった。
また、樹脂発泡層を有する化粧材は、出窓台を含む窓枠として用いられる場合、ある程度重量のある置物や花瓶等が置かれることがある一方で、床材として用いられる場合、便器、洗面台などの建築資材、洗濯機、冷蔵庫といった電化製品が置かれることがあるため、長期荷重による化粧材表面の凹みに対する耐荷重性が問題となることがあった。Since the decorative material having a resin foam layer is a non-wood material, it has excellent water resistance and can be said to be a decorative material that can solve the above-mentioned conventional problems.
However, in the case of a decorative material made of a resin material which is a non-wood material, warpage may occur due to a dimensional change due to the temperature of the resin material, while when a foamed resin material is used, there is a problem that the impact resistance is inferior. ..
In addition, when the decorative material having a resin foam layer is used as a window frame including a window stand, a figurine or a vase having a certain weight may be placed, while when it is used as a floor material, a toilet bowl or a washstand. Since building materials such as, washing machines, and electric appliances such as refrigerators may be placed, the load bearing capacity against dents on the surface of the decorative material due to a long-term load may become a problem.

本発明は、このような状況の下で、耐水性及び断熱性に優れ、かつ、反りが発生することを抑制でき、耐荷重性に優れる化粧材を提供することを目的とする。 An object of the present invention is to provide a decorative material which is excellent in water resistance and heat insulating property, can suppress the occurrence of warpage, and is excellent in load resistance under such a situation.

本発明者らは、上述した課題を解決するため鋭意検討した結果、化粧材を非発泡樹脂層と熱による収縮応力が小さい発泡樹脂層とを有する構成とし、発泡樹脂層の厚みに対する装飾層と非発泡樹脂層の合計厚みの割合及び発泡樹脂層の圧縮弾性率及び非発泡樹脂層と発泡樹脂層の線膨張係数を規定することにより、熱による収縮の影響を緩和させながら耐荷重性が要求される用途に使用可能とすることができることを見出し、本発明を完成するに至った。 As a result of diligent studies to solve the above-mentioned problems, the present inventors have configured the decorative material to have a non-foamed resin layer and a foamed resin layer having a small shrinkage stress due to heat, and serve as a decorative layer with respect to the thickness of the foamed resin layer. By defining the ratio of the total thickness of the non-foamed resin layer, the compressive elastic modulus of the foamed resin layer, and the linear expansion coefficient of the non-foamed resin layer and the foamed resin layer, load resistance is required while mitigating the influence of shrinkage due to heat. We have found that it can be used for various purposes, and have completed the present invention.

本発明は、装飾層、非発泡樹脂層及び発泡樹脂層を有する化粧材であって、上記装飾層と上記非発泡樹脂層との厚みの合計が、上記発泡樹脂層の厚みに対して５０％以下であり上記発泡樹脂層の圧縮弾性率が１５ＭＰａ以上であり、上記非発泡樹脂層及び上記発泡樹脂層の線膨張係数がいずれも８×１０−５／℃以下で、かつ、上記非発泡樹脂層及び上記発泡樹脂層の線膨張係数の差が３×１０−５／℃以内であることを特徴とする化粧材である。The present invention is a decorative material having a decorative layer, a non-foamed resin layer and a foamed resin layer, and the total thickness of the decorative layer and the non-foamed resin layer is 50% with respect to the thickness of the foamed resin layer. The compressive elasticity of the foamed resin layer is 15 MPa or more, the linear expansion coefficient of both the non-foamed resin layer and the foamed resin layer is 8 × 10 −5 / ° C. or less, and the non-foamed resin is The decorative material is characterized in that the difference in linear expansion coefficient between the layer and the foamed resin layer is within 3 × 10 −5 / ° C.

本発明の化粧材は、非発泡樹脂層の引張弾性率が１８０ＭＰａ以上であることが好ましい。
また、上記非発泡樹脂層は、無機化合物を含有することが好ましい。
また、本発明の化粧材の厚みが５ｍｍ以上であることが好ましい。In the decorative material of the present invention, the tensile elastic modulus of the non-foamed resin layer is preferably 180 MPa or more.
Further, the non-foamed resin layer preferably contains an inorganic compound.
Further, the thickness of the decorative material of the present invention is preferably 5 mm or more.

本発明の化粧材は、装飾層、非発泡樹脂層及び発泡樹脂層を有し、発泡樹脂層の厚みに対する装飾層と非発泡樹脂層の合計厚みの割合、及び、発泡樹脂層の圧縮弾性率が、それぞれ所定の値に規定されているため、耐水性及び断熱性、耐荷重性に優れ、かつ、反りが発生することを抑制できる化粧材を提供できる。 The decorative material of the present invention has a decorative layer, a non-foamed resin layer and a foamed resin layer, and the ratio of the total thickness of the decorative layer and the non-foamed resin layer to the thickness of the foamed resin layer and the compressive elastic modulus of the foamed resin layer. However, since each of them is defined to a predetermined value, it is possible to provide a decorative material which is excellent in water resistance, heat insulating property, and load resistance, and which can suppress the occurrence of warpage.

本発明の化粧材の好ましい一例の断面を示す模式図である。It is a schematic diagram which shows the cross section of a preferable example of the decorative material of this invention. 本発明の化粧材の好ましい一例の断面を示す模式図である。It is a schematic diagram which shows the cross section of a preferable example of the decorative material of this invention. 本発明の化粧材の好ましい一例の断面を示す模式図である。It is a schematic diagram which shows the cross section of a preferable example of the decorative material of this invention. 本発明の化粧材の好ましい一例の断面を示す模式図である。It is a schematic diagram which shows the cross section of a preferable example of the decorative material of this invention. 試験片に対する荷重（Ｎ）と伸び（％）との関係を示した弾性率チャートの一例である。This is an example of an elastic modulus chart showing the relationship between the load (N) and the elongation (%) on the test piece. （ａ）は、本発明の化粧材の好ましい一例である窓枠用化粧材の厚み方向の断面図であり、（ｂ）は、窓枠用化粧材の斜視図の一例を示し、（ｃ）は、（ａ）、（ｂ）に示した窓枠用化粧材を組み立てる際に使用する原料積層体の厚み方向の断面図であり、（ｄ）は、本発明の化粧材の好ましい一例である窓枠用化粧材のその他の例を示す断面図であり、（ｅ）は、本発明の化粧材の更に別の例を示す断面図である。(A) is a cross-sectional view in the thickness direction of the decorative material for window frame, which is a preferable example of the decorative material of the present invention, and (b) shows an example of a perspective view of the decorative material for window frame, (c). 1 is a cross-sectional view in the thickness direction of the raw material laminate used when assembling the decorative material for the window frame shown in (a) and (b), and (d) is a preferable example of the decorative material of the present invention. It is sectional drawing which shows the other example of the decorative material for a window frame, and (e) is the sectional view which shows still another example of the decorative material of this invention. （ａ）は、屈曲部の側面にエッジテープが貼着された窓枠用化粧材の一例であり、（ｂ）及び（ｃ）は、側面に切り欠きが設けられた窓枠用化粧材の一例をそれぞれ示す斜視図である。(A) is an example of a decorative material for a window frame in which an edge tape is attached to the side surface of a bent portion, and (b) and (c) are decorative materials for a window frame having a notch on the side surface. It is a perspective view which shows each example. （ａ）は、本発明の化粧材の好ましい一例である窓枠用化粧材を組み立てる際に使用する原料積層体の厚み方向の断面図であり、（ｂ）は、本発明の化粧材の好ましい一例である窓枠用化粧材のその他の例を示す断面図である。(A) is a cross-sectional view in the thickness direction of a raw material laminate used when assembling a decorative material for a window frame, which is a preferable example of the decorative material of the present invention, and (b) is a preferable example of the decorative material of the present invention. It is sectional drawing which shows the other example of the decorative material for a window frame which is an example. （ａ）は、本発明の化粧材の好ましい一例である窓枠用化粧材が建物の窓に施工された一例を示す断面図であり、（ｂ）は、本発明の化粧材の好ましい一例である窓枠用化粧材が建物の窓に施工された一例を示す平面図であり、（ｃ）は、本発明の化粧材の好ましい一例である窓枠用化粧材が建物の窓に施工された一例を示す斜視図である。(A) is a cross-sectional view showing an example in which a decorative material for a window frame, which is a preferable example of the decorative material of the present invention, is applied to a window of a building, and (b) is a preferable example of the decorative material of the present invention. It is a top view which shows an example in which a decorative material for a window frame was applied to a window of a building, and (c) is a decorative material for a window frame which is a preferable example of the decorative material of the present invention, was applied to a window of a building. It is a perspective view which shows an example. （ａ）〜（ｄ）は、本発明の化粧材の好ましい一例である窓枠用化粧材を組み立てる際に使用する原料積層体と窓枠用化粧材の厚み方向の断面図である(A) to (d) are cross-sectional views in the thickness direction of the raw material laminate and the window frame decorative material used when assembling the window frame decorative material which is a preferable example of the decorative material of the present invention. 本発明の化粧材の好ましい一例である窓枠用化粧材の一例と、本発明の化粧材の好ましい一例である窓枠用化粧材が建物の窓に施工された一例とを示す平面図である。It is a top view which shows an example of the decorative material for a window frame which is a preferable example of the decorative material of the present invention, and an example of the decorative material for a window frame which is a preferable example of the decorative material of the present invention applied to a window of a building. .. （ａ）は、実施例及び比較例に係る化粧材を窓枠に使用する場合の反りの評価方法を説明する図であり、（ｂ）は、実施例及び比較例に係る化粧材を床材（フロア）に使用する場合の反りの評価方法を説明する図である。(A) is a diagram for explaining a method of evaluating warpage when the decorative material according to Examples and Comparative Examples is used for a window frame, and (b) is a diagram for using the decorative material according to Examples and Comparative Examples as a floor material. It is a figure explaining the evaluation method of the warp when it is used for (floor). 実施例及び比較例に係る化粧材の耐荷重性の試験を説明する図である。It is a figure explaining the test of the load bearing capacity of the decorative material which concerns on Example and comparative example. （ａ）は、本発明に係る窓枠用化粧材の反りの評価方法を説明する図であり、（ｂ）は、本発明に係る化粧材の反りの評価方法を説明する図である。(A) is a diagram for explaining a method for evaluating the warp of a decorative material for a window frame according to the present invention, and (b) is a diagram for explaining a method for evaluating the warp of a decorative material for a window frame according to the present invention. （ａ）は、山状態（凸状）の反りの量の測定方法を示す断面図であり、（ｂ）は、谷状態（凹状）の反りの量の測定方法を示す断面図である。(A) is a cross-sectional view showing a method of measuring the amount of warp in a mountain state (convex shape), and (b) is a cross-sectional view showing a method of measuring the amount of warp in a valley state (concave shape).

本発明の化粧材は、装飾層、非発泡樹脂層及び発泡樹脂層を有し、上記装飾層と上記非発泡樹脂層との厚みの合計が、上記発泡樹脂層の厚みに対して５０％以下である。
上記装飾層と上記非発泡樹脂層との厚みの合計が上記発泡樹脂層の厚みの５０％を超えると、本発明の化粧材に大きな反りが発生してしまう。上記発泡樹脂層の厚みに対する上記装飾層と上記非発泡樹脂層との厚みの合計は好ましい下限が３％、好ましい上限が４５％であり、より好ましい下限が１０％、より好ましい上限が３０％である。The decorative material of the present invention has a decorative layer, a non-foamed resin layer, and a foamed resin layer, and the total thickness of the decorative layer and the non-foamed resin layer is 50% or less of the thickness of the foamed resin layer. Is.
If the total thickness of the decorative layer and the non-foamed resin layer exceeds 50% of the thickness of the foamed resin layer, the decorative material of the present invention will be greatly warped. The total thickness of the decorative layer and the non-foamed resin layer with respect to the thickness of the foamed resin layer has a preferable lower limit of 3%, a preferable upper limit of 45%, a more preferable lower limit of 10%, and a more preferable upper limit of 30%. be.

また、本発明の化粧材は、上記発泡樹脂層の圧縮弾性率が１５ＭＰａ以上である。上記圧縮弾性率が１５ＭＰａ未満であると、優れた耐荷重性が得られず、耐衝撃性にも劣ることとなる。優れた耐荷重性、及び、耐衝撃性を得る観点から、上記発泡樹脂層の圧縮弾性率は１５ＭＰａを超え１５０ＭＰａ以下であることがより好ましく、２０ＭＰａ以上１２０ＭＰａ以下であることが更に好ましい。ここで、圧縮弾性率は、発泡樹脂層を用いて、ＪＩＳ Ａ９５１１：２００９「発泡プラスチック保温材」に記載の方法を用いて試験片を作製し測定を行った値である。具体的には、発泡樹脂層から縦１００ｍｍ、横１００ｍｍ、厚さ３ｍｍの直方体形状の試験片を切り出し、引張・圧縮試験機を用いて、該試験片を圧縮速度１０ｍｍ／分にて厚さ方向に対して垂直に圧縮弾性率の測定を行う。試験片を５個用意し、試験片ごとに上記要領で圧縮弾性率を測定し、それらを相加平均した値を圧縮弾性率とする。なお直方体形状の試験片の厚みはＪＩＳ記載の厚みではなく、３ｍｍに変更している。 Further, in the decorative material of the present invention, the compressive elastic modulus of the foamed resin layer is 15 MPa or more. If the compressive elastic modulus is less than 15 MPa, excellent load bearing resistance cannot be obtained, and impact resistance is also inferior. From the viewpoint of obtaining excellent load resistance and impact resistance, the compressive elastic modulus of the foamed resin layer is more preferably more than 15 MPa and not more than 150 MPa, and further preferably 20 MPa or more and 120 MPa or less. Here, the compressive elastic modulus is a value measured by preparing a test piece using the method described in JIS A9511: 2009 "Foam plastic heat insulating material" using a foamed resin layer. Specifically, a rectangular parallelepiped-shaped test piece having a length of 100 mm, a width of 100 mm, and a thickness of 3 mm is cut out from the foamed resin layer, and the test piece is cut in the thickness direction at a compression rate of 10 mm / min using a tensile / compression tester. The compressive elastic modulus is measured perpendicularly to. Five test pieces are prepared, the compressive elastic modulus is measured for each test piece in the above manner, and the value obtained by arithmetically averaging them is taken as the compressive elastic modulus. The thickness of the rectangular parallelepiped test piece is changed to 3 mm instead of the thickness described in JIS.

また、本発明の化粧材は、上記非発泡樹脂層及び上記発泡樹脂層の線膨張係数がいずれも８×１０−５／℃以下で、かつ、上記非発泡樹脂層及び上記発泡樹脂層の線膨張係数の線膨張係数の差が３×１０−５／℃以内である。
上記非発泡樹脂層及び／又は上記発泡樹脂層の線膨張係数が８×１０−５／℃を超えると、温度変化に対する化粧材の伸縮が大きいため、伸びる場合には化粧材の反りや２以上の本発明の化粧材を嵌合させた際に嵌合部の突き上げ等の不具合が生じ、一方、縮む場合には２以上の本発明の化粧材を嵌合させた際に嵌合部の隙間が開く等の不具合が発生する。
また、上記非発泡樹脂層及び上記発泡樹脂層の線膨張係数の差が３×１０−５／℃を超えると、温度変化に対し各層の伸縮度合いの差が大きくなるため、本発明の化粧材に大きな反りが発生してしまう。
上記非発泡樹脂層及び上記発泡樹脂層の線膨張係数は、いずれも８×１０−５／℃以下であることが好ましく、７×１０−５／℃以下であることがより好ましい。また、上記非発泡樹脂層及び上記発泡樹脂層の線膨張係数の線膨張係数の差は、３×１０−５／℃以内であることが好ましく、２×１０−５／℃以内であることがより好ましい。

ここで、上記非発泡樹脂層及び上記発泡樹脂層の線膨張係数は、各層部材から縦１４５ｍｍ、横３００ｍｍの直方体状の試験片を切り出し、恒温槽を用いて０℃及び４０℃に試験片温度を安定させた際の横方向の寸法変化をそれぞれ測定し、その寸法変化量から得られる単位温度当たりの寸法変化量を線膨張係数とする。なお本発明において、各層部材の厚み方向の寸法変化は、縦や横の寸法変化と比べて極めて小さいことから無視できるものとする。Further, in the decorative material of the present invention, the linear expansion coefficients of the non-foamed resin layer and the foamed resin layer are both 8 × 10 −5 / ° C. or less, and the lines of the non-foamed resin layer and the foamed resin layer. The difference in the linear expansion coefficient of the expansion coefficient is within 3 × 10 -5 / ° C.
When the linear expansion coefficient of the non-foamed resin layer and / or the foamed resin layer exceeds 8 × 10 -5 / ° C, the decorative material expands and contracts greatly with respect to a temperature change. When the decorative material of the present invention is fitted, a problem such as pushing up the fitting portion occurs, while when it shrinks, a gap between the fitting portions is formed when two or more decorative materials of the present invention are fitted. Problems such as opening occur.
Further, when the difference in the coefficient of linear expansion between the non-foamed resin layer and the foamed resin layer exceeds 3 × 10 −5 / ° C., the difference in the degree of expansion and contraction of each layer becomes large with respect to the temperature change. Will cause a large warp.
The coefficient of linear expansion of the non-foamed resin layer and the foamed resin layer is preferably 8 × 10 -5 / ° C. or lower, and more preferably 7 × 10 -5 / ° C. or lower. Further, the difference between the linear expansion coefficient of the non-foamed resin layer and the linear expansion coefficient of the foamed resin layer is preferably within 3 × 10 −5 / ° C., and preferably within 2 × 10 −5 / ° C. More preferable.

Here, the linear expansion coefficient of the non-foamed resin layer and the foamed resin layer is such that a rectangular parallelepiped test piece having a length of 145 mm and a width of 300 mm is cut out from each layer member, and the test piece temperature is set to 0 ° C. and 40 ° C. using a constant temperature bath. The lateral dimensional change when each is stabilized is measured, and the dimensional change amount per unit temperature obtained from the dimensional change amount is defined as the coefficient of linear expansion. In the present invention, the dimensional change in the thickness direction of each layer member is extremely small as compared with the vertical and horizontal dimensional changes, and thus can be ignored.

次いで、本発明の化粧材の典型的な構造を図１〜３を用いて説明する。
図１〜３は、本発明の好ましい化粧材１０の断面を示す模式図である。
図１で示される態様では、本発明の化粧材１０は、発泡樹脂層１、非発泡樹脂層２、及び、装飾層３を順に有している。また、図２に示される態様では、装飾層３は、ベース樹脂層４を有し、かつ、模様層３３の上に接着剤層７、透明樹脂層５、及び、表面保護層６を有しており、発泡樹脂層１、非発泡樹脂層２及び装飾層３を順に有している。
また、図３に示される態様では、非発泡樹脂層２が３層構成となっている以外は、図２で示される態様と同様であり、図３に示される非発泡層２は、第１熱可塑性樹脂層２１、ガラス成分層２２、及び第２熱可塑性樹脂層２３を順に有する構造となっている。Next, a typical structure of the decorative material of the present invention will be described with reference to FIGS.
1 to 3 are schematic views showing a cross section of a preferable decorative material 10 of the present invention.
In the aspect shown in FIG. 1, the decorative material 10 of the present invention has a foamed resin layer 1, a non-foamed resin layer 2, and a decorative layer 3 in this order. Further, in the embodiment shown in FIG. 2, the decorative layer 3 has a base resin layer 4, and has an adhesive layer 7, a transparent resin layer 5, and a surface protective layer 6 on the pattern layer 33. It has a foamed resin layer 1, a non-foamed resin layer 2, and a decorative layer 3 in this order.
Further, the embodiment shown in FIG. 3 is the same as the embodiment shown in FIG. 2 except that the non-foaming resin layer 2 has a three-layer structure, and the non-foaming layer 2 shown in FIG. 3 is the first. The structure has a thermoplastic resin layer 21, a glass component layer 22, and a second thermoplastic resin layer 23 in this order.

（発泡樹脂層１）
上記発泡樹脂層は、本発明の化粧材に主に断熱性、耐荷重性、及び耐衝撃性を付与する層であり、発泡樹脂組成物を発泡して形成される。
上記発泡樹脂層における発泡倍率は５倍以上２０倍以下であることが好ましい。当該範囲を外れると、優れた断熱性、耐荷重性、及び耐衝撃性の化粧材が得られないことがある。より優れた断熱性、及び耐荷重性を得る観点から、上記発泡樹脂層の発泡倍率は５倍以上１５倍以下がより好ましく、５倍以上１２倍以下が更に好ましい。(Effervescent resin layer 1)
The foamed resin layer is a layer that mainly imparts heat insulating property, load resistance, and impact resistance to the decorative material of the present invention, and is formed by foaming a foamed resin composition.
The foaming ratio of the foamed resin layer is preferably 5 times or more and 20 times or less. If it is out of this range, a decorative material having excellent heat insulating properties, load resistance, and impact resistance may not be obtained. From the viewpoint of obtaining better heat insulating properties and load bearing capacity, the foaming ratio of the foamed resin layer is more preferably 5 times or more and 15 times or less, and further preferably 5 times or more and 12 times or less.

また、本発明の化粧材において、上記発泡樹脂層の圧縮弾性率は、上述の通り１５ＭＰａ以上であるが、上記圧縮弾性率は、発泡樹脂層を用いて、ＪＩＳ Ａ９５１１：２００９「発泡プラスチック保温材」に記載の方法を一部用いて試験片を作製し、測定を行った値である。
具体的には、上記発泡樹脂層から縦１００ｍｍ、横１００ｍｍ、厚さ３ｍｍの直方体形状の試験片を切り出し、引張・圧縮試験機を用いて、厚み方向に対して垂直の方向から該試験片を圧縮速度１０ｍｍ／分にて圧縮弾性率の測定を行う。試験片を５個用意し、試験片ごとに上記要領で圧縮弾性率を測定し、それらを相加平均した値を圧縮弾性率とする。Further, in the decorative material of the present invention, the compressive elastic modulus of the foamed resin layer is 15 MPa or more as described above, but the compressive elastic modulus is JIS A9511: 2009 "foamed plastic heat insulating material" using the foamed resin layer. ], A test piece was prepared using a part of the method described in the above, and the value was measured.
Specifically, a rectangular parallelepiped-shaped test piece having a length of 100 mm, a width of 100 mm, and a thickness of 3 mm is cut out from the foamed resin layer, and the test piece is cut from a direction perpendicular to the thickness direction using a tensile / compression tester. The compressive elastic modulus is measured at a compression rate of 10 mm / min. Five test pieces are prepared, the compressive elastic modulus is measured for each test piece in the above manner, and the value obtained by arithmetically averaging them is taken as the compressive elastic modulus.

上記発泡樹脂組成物の発泡の手法は特に限定されず、公知の手法のいずれも採用することができるが、均質な発泡樹脂層を得る観点からビーズ法による発泡が好ましい。上記ビーズ法は、発泡樹脂粒子（予備発泡粒子）を原料とし、該発泡樹脂粒子を金型のキャビティ内に充填し、該充填された予備発泡粒子を蒸気で二次発泡させつつ、予備発泡粒子同士を熱融着により一体化させることで発泡樹脂層を得るという手法である。 The method for foaming the foamed resin composition is not particularly limited, and any known method can be adopted, but foaming by the bead method is preferable from the viewpoint of obtaining a homogeneous foamed resin layer. In the bead method, foamed resin particles (pre-foamed particles) are used as a raw material, the foamed resin particles are filled in a cavity of a mold, and the filled pre-foamed particles are secondarily foamed with steam to be pre-foamed particles. This is a method of obtaining a foamed resin layer by integrating the particles with each other by heat fusion.

上記発泡樹脂粒子に用いられる樹脂としては、好ましくは熱可塑性樹脂が挙げられる。
上記熱可塑性樹脂としては、ポリエチレン（ＰＥ）、ポリプロピレン（ＰＰ）、ポリスチレン（ＰＳ）、スチレン改質ポリオレフィン系樹脂、エチレン−酢酸ビニル共重合体樹脂（ＥＶＡ）、エチレン−（メタ）アクリル酸系樹脂などのポリオレフィン樹脂、アクリロニトリル−ブタジエン−スチレン共重合体（ＡＢＳ樹脂）、アクリロニトリル−スチレン共重合体、ポリ塩化ビニル樹脂（ＰＶＣ）、ポリ酢酸ビニル樹脂、ポリビニルアルコール樹脂などのポリビニル樹脂、ポリエチレンテレフタレート樹脂（ＰＥＴ樹脂）などのポリエステル樹脂、ナイロン、ポリアセタール樹脂、アクリル樹脂、ポリカーボネート樹脂、ポリウレタン樹脂などの熱可塑性樹脂の単体及び共重合体、あるいは、これらの混合樹脂が好ましく挙げられる。
これらのなかでも、樹脂自体の強度を考慮すると、ポリオレフィン樹脂が好ましく、特にポリスチレン樹脂が好ましい。The resin used for the foamed resin particles is preferably a thermoplastic resin.
Examples of the thermoplastic resin include polyethylene (PE), polypropylene (PP), polystyrene (PS), styrene-modified polyolefin resin, ethylene-vinyl acetate copolymer resin (EVA), and ethylene- (meth) acrylic acid resin. Polyolefin resin such as acrylonitrile-butadiene-styrene copolymer (ABS resin), acrylonitrile-styrene copolymer, polyvinyl chloride resin (PVC), polyvinyl acetate resin, polyvinyl resin such as polyvinyl alcohol resin, polyethylene terephthalate resin ( Polyester resins such as PET resin), simple and copolymers of thermoplastic resins such as nylon, polyacetal resin, acrylic resin, polycarbonate resin, and polyurethane resin, or mixed resins thereof are preferable.
Among these, a polyolefin resin is preferable, and a polystyrene resin is particularly preferable, in consideration of the strength of the resin itself.

上記ポリスチレン樹脂を形成するスチレンモノマーとしては、特に限定されず、公知のスチレンモノマーのいずれも使用することができる。例えば、スチレン、α−メチルスチレン、ビニルトルエン、クロロスチレン、エチルスチレン、イソプロピルスチレン、ジメチルスチレン、ブロモスチレンなどが挙げられる。これらスチレン系モノマーは、一種類でも、複数種の混合物であってもよい。好ましいスチレンモノマーは、スチレンである。 The styrene monomer forming the polystyrene resin is not particularly limited, and any known styrene monomer can be used. For example, styrene, α-methylstyrene, vinyltoluene, chlorostyrene, ethylstyrene, isopropylstyrene, dimethylstyrene, bromostyrene and the like can be mentioned. These styrene-based monomers may be one kind or a mixture of a plurality of kinds. A preferred styrene monomer is styrene.

上記発泡樹脂粒子は、通常、該発泡樹脂粒子を形成する樹脂からなる種粒子に、スチレンモノマーなどのモノマーを、必要に応じて可塑剤とともに吸収させて重合させることで樹脂粒子とし、重合と同時又は重合後に、該樹脂粒子に発泡剤を含浸させた後、発泡させることで得られる。また、発泡樹脂粒子は、水性媒体中でスチレンモノマーなどのモノマーを懸濁重合して得られる粒子に、発泡剤を含浸させる方法や、ポリスチレン系樹脂を押出機に投入し、発泡剤とともに溶融混練したのち、小孔を有するダイを通して加圧循環水中に押出し、ダイに接触する回転カッターを用いて切断して得られる粒子を発泡させることでも得ることができる。 The foamed resin particles are usually made into resin particles by polymerizing a seed particle made of a resin forming the foamed resin particles by absorbing a monomer such as a styrene monomer together with a plasticizer as required, and polymerizing the particles at the same time as the polymerization. Alternatively, it can be obtained by impregnating the resin particles with a foaming agent after polymerization and then foaming the resin particles. Further, the foamed resin particles can be obtained by a method of impregnating particles obtained by suspend polymerization of a monomer such as a styrene monomer in an aqueous medium with a foaming agent, or by putting a polystyrene resin into an extruder and melt-kneading the particles together with the foaming agent. Then, it can also be obtained by extruding into pressurized circulating water through a die having small holes and foaming the particles obtained by cutting with a rotary cutter in contact with the die.

上記発泡剤としては、例えば、炭酸水素ナトリウム、炭酸ナトリウム、炭酸水素アンモニウム、炭酸アンモニウム、亜硝酸アンモニウムなどの無機発泡剤；Ｎ，Ｎ’−ジメチル−Ｎ，Ｎ’−ジニトロソテレフタルアミド、Ｎ，Ｎ’−ジニトロソペンタメチレンテトラミンなどのニトロソ化合物；アゾジカルボンアミド、アゾビスホルムアミド、アゾビスイソブチロニトリル、アゾシクロヘキシルニトリル、アゾジアミノベンゼンなどのアゾ化合物；ベンゼンスルホニルヒドラジド、トルエンスルホニルヒドラジドなどのスルホニルヒドラジド化合物；カルシウムアジド、４，４’−ジフェニルジスルホニルアジド、ｐ−トルエンスルホニルアジドなどのアジド化合物などが好ましく挙げられる。
また、発泡剤としては、物理発泡剤としてプロパン、ノルマルブタン、イソペンタン、ノルマルペンタン、ネオペンタンなどの脂肪族炭化水素類のほか、ジフルオロエタン、テトラフルオロエタンなどのオゾン破壊係数がゼロであるフッ化炭化水素類などの揮発性発泡剤も好ましく挙げられる。
これらの発泡剤は、単独又は複数を組み合わせて用いることができる。
上記発泡剤の添加量は、所望する発泡倍率や圧縮弾性率に応じて適宜決めればよいが、樹脂１００質量部に対して、０．５質量部以上１５質量部以下が好ましく、１質量部以上１０質量部以下がより好ましい。Examples of the foaming agent include inorganic foaming agents such as sodium hydrogen carbonate, sodium carbonate, ammonium hydrogen carbonate, ammonium carbonate, and ammonium nitrite; N, N'-dimethyl-N, N'-dinitrosoterephthalamide, N, N. Nitroso compounds such as'-dinitrosopentamethylenetetramine; azo compounds such as azodicarboxylicamide, azobisformamide, azobisisobutyronitrile, azocyclohexylnitrile, azodiaminobenzene; sulfonylhydrazides such as benzenesulfonylhydrazide and toluenesulfonylhydrazide Compounds: Azide compounds such as calcium azide, 4,4'-diphenyldisulfonyl azide, and p-toluenesulfonyl azide are preferably used.
In addition, as the foaming agent, in addition to aliphatic hydrocarbons such as propane, normal butane, isopentane, normal pentane, and neopentane as physical foaming agents, fluorinated hydrocarbons such as difluoroethane and tetrafluoroethane having an ozone destruction coefficient of zero. Volatile foaming agents such as the like are also preferably mentioned.
These foaming agents may be used alone or in combination of two or more.
The amount of the foaming agent added may be appropriately determined according to the desired foaming ratio and compressive elastic modulus, but is preferably 0.5 parts by mass or more and 15 parts by mass or less with respect to 100 parts by mass of the resin, and is preferably 1 part by mass or more. More preferably, it is 10 parts by mass or less.

上記可塑剤としては、例えば、プロピレングリコール脂肪酸エステル、グリセリン脂肪酸エステル、ソルビタン脂肪酸エステル、ショ糖脂肪酸エステルなどの脂肪酸エステル化合物；ジブチルフタレート（ＤＢＰ）、ジオクチルフタレート（ＤＯＰ）、ジイソノニルフタレート（ＤＩＮＰ）などのフタル酸エステル化合物；ジイソブチルアジペート、ジオクチルアジペートなどのアジピン酸エステル化合物；ジブチルセバケート、ジ２−エチルヘキシルセバケートなどのセバシン酸エステル化合物；グリセリントリステアレート、グリセリントリカプリレートなどのグリセリン脂肪酸エステル化合物；流動パラフィン、ヤシ油、パーム油、菜種油などの天然油脂類が好ましく挙げられる。
上記可塑剤は、モノマーを重合する際に添加してもよいし、発泡剤を含浸させる際に添加してもよい。
上記可塑剤の添加量は、所望する発泡倍率や圧縮弾性率に応じて適宜決めればよいが、樹脂１００質量部に対して、０．２質量部以上３質量部未満が好ましく、０．４質量部以上１．６質量部未満がより好ましい。上記可塑剤の添加量が０．２質量部以上であると二次転移温度が低くなるので低温での予備発泡及び成形に優位であり、３質量部未満であると発泡体が収縮し難く、良好な見栄えが得られる。Examples of the plasticizer include fatty acid ester compounds such as propylene glycol fatty acid ester, glycerin fatty acid ester, sorbitan fatty acid ester, and sucrose fatty acid ester; dibutylphthalate (DBP), dioctylphthalate (DOP), and diisononylphthalate (DINP). Phthalate ester compounds; Adipic acid ester compounds such as diisobutyl adipate and dioctyl adipate; Sebacic acid ester compounds such as dibutyl sebacate and di2-ethylhexyl sebacate; Glycerin fatty acid ester compounds such as glycerin tristearate and glycerin tricaprylate; Natural fats and oils such as liquid paraffin, coconut oil, palm oil and rapeseed oil are preferably mentioned.
The plasticizer may be added when the monomer is polymerized, or may be added when the foaming agent is impregnated.
The amount of the plasticizer added may be appropriately determined according to the desired expansion ratio and compressive elastic modulus, but is preferably 0.2 parts by mass or more and less than 3 parts by mass, preferably 0.4 parts by mass with respect to 100 parts by mass of the resin. More than parts and less than 1.6 parts by mass are more preferable. If the amount of the plasticizer added is 0.2 parts by mass or more, the secondary transition temperature becomes low, which is advantageous for pre-foaming and molding at a low temperature, and if it is less than 3 parts by mass, the foam is less likely to shrink. Good appearance is obtained.

また、上記発泡樹脂粒子には、物性を損なわない範囲内において、難燃剤、難燃助剤、滑剤、結合防止剤、融着促進剤、帯電防止剤、展着剤、気泡調整剤、架橋剤、充填剤、着色剤、断熱性向上剤（輻射抑制剤等）等の添加剤が含まれていてもよい。 Further, the foamed resin particles include a flame retardant, a flame retardant aid, a lubricant, a bond inhibitor, a fusion accelerator, an antistatic agent, a spreading agent, a bubble adjusting agent, and a cross-linking agent within a range that does not impair the physical properties. , Filler, colorant, heat insulating property improver (radiation inhibitor, etc.) and other additives may be included.

上記ビーズ法では、例えば、上記の発泡樹脂粒子を金型のキャビティ内に充填し、該充填された予備発泡粒子を好ましくは１００℃以上１５０℃以下、より好ましくは１００℃以上１２０℃以下の蒸気などの熱媒体を用いて、１０秒以上４０秒以下の加熱時間で二次発泡させつつ、予備発泡粒子同士を熱融着により一体化させることで発泡樹脂層を得ることができる。この場合、一般に用いられる発泡樹脂粒子の平均粒径は０．２ｍｍ以上４ｍｍ以下が好ましく、より好ましくは０．５ｍｍ以上２ｍｍ以下である。なお、上記発泡樹脂粒子の平均粒径とは、ＪＩＳ Ｚ８８０１−１「試験用ふるい−第１部：金属製網ふるい」に規定された、異なる目開きを有する複数種の篩を、目開きの小さな篩から大きな篩となるように上に積み重ね、最上部の篩に発泡樹脂粒子１００ｇを投入し、篩を振動させて発泡性粒子を分級することで得られる。
具体的には、各目開きの篩上に残留した発泡樹脂粒子の平均粒子径に、その個数比率を乗じた値を算出し、それらの値の総和を発泡樹脂粒子の平均粒子径とする。
平均粒子径 ＝ Σ（各篩上の個数比率 × 各篩上粒子の平均粒子径）
ここで、個数比率とは各篩上に残留した発泡性粒子の重量比率及び各篩の目開きの大きさから得られる値である。
また、本発明において発泡樹脂層は、上記のビーズ法に限らず、発泡樹脂層用樹脂、発泡剤、可塑剤、無機充填剤、その他必要に応じた添加剤を含む発泡樹脂層形成用樹脂組成物を、Ｔダイによる押出製膜法やカレンダー製膜法などの製膜法により未発泡樹脂層を製膜してから、加熱発泡炉を用いて２２０℃以上２５０℃以下程度で発泡させて得ることもできる。In the bead method, for example, the foamed resin particles are filled in the cavity of the mold, and the filled pre-foamed particles are preferably steam of 100 ° C. or higher and 150 ° C. or lower, more preferably 100 ° C. or higher and 120 ° C. or lower. A foamed resin layer can be obtained by integrating the pre-foamed particles with each other by heat fusion while performing secondary foaming with a heating time of 10 seconds or more and 40 seconds or less using a heat medium such as the above. In this case, the average particle size of the generally used foamed resin particles is preferably 0.2 mm or more and 4 mm or less, and more preferably 0.5 mm or more and 2 mm or less. The average particle size of the foamed resin particles is defined by using a plurality of types of sieves having different meshes specified in JIS Z8801-1 “Test Sieve-Part 1: Metal Net Sieve”. It is obtained by stacking small sieves into large sieves, putting 100 g of foamed resin particles into the uppermost sieve, and vibrating the sieve to classify the foamable particles.
Specifically, a value obtained by multiplying the average particle size of the foamed resin particles remaining on the sieve of each opening by the number ratio thereof is calculated, and the sum of these values is taken as the average particle size of the foamed resin particles.
Average particle size = Σ (number ratio on each sieve x average particle size of particles on each sieve)
Here, the number ratio is a value obtained from the weight ratio of the effervescent particles remaining on each sieve and the size of the opening of each sieve.
Further, in the present invention, the foamed resin layer is not limited to the above-mentioned bead method, and is a resin composition for forming a foamed resin layer containing a resin for the foamed resin layer, a foaming agent, a plasticizer, an inorganic filler, and other necessary additives. A product is obtained by forming an unfoamed resin layer by a film-forming method such as an extrusion film-forming method using a T-die or a calendar film-forming method, and then foaming the product at 220 ° C. or higher and 250 ° C. or lower using a heating foaming furnace. You can also do it.

また、上記発泡樹脂層として、所定の発泡倍率、及び圧縮弾性率の範囲内であれば、市販される断熱ボード、例えば、ビーズ法ポリスチレンフォーム保温板、押出法ポリスチレンフォーム保温板などを用いることもできる。 Further, as the foamed resin layer, a commercially available heat insulating board, for example, a bead method polystyrene foam heat insulating plate, an extruded polystyrene foam heat insulating plate, or the like can be used as long as it is within a predetermined expansion ratio and compressive elastic modulus. can.

上記発泡樹脂層の厚さは、発泡倍率などにより多少はあるが、３ｍｍ以上１５ｍｍ以下であることが好ましく、５ｍｍ以上１５ｍｍ以下であることがより好ましく、５ｍｍ以上１２ｍｍ以下であることがさらに好ましい。上記発泡樹脂層の厚さが上記範囲内であると、優れた断熱性、耐荷重性、及び耐衝撃性が得られる。
また、上記発泡樹脂層の厚さは、後述する非発泡樹脂層より厚い。非発泡樹脂層より厚いことで、優れた断熱性、耐荷重性、及び耐衝撃性が得られ、また、非発泡樹脂層などの他の層との温度などによる伸びの違いに起因する応力反りが生じにくくなる。The thickness of the foamed resin layer varies depending on the expansion ratio and the like, but is preferably 3 mm or more and 15 mm or less, more preferably 5 mm or more and 15 mm or less, and further preferably 5 mm or more and 12 mm or less. When the thickness of the foamed resin layer is within the above range, excellent heat insulating properties, load bearing resistance, and impact resistance can be obtained.
Further, the thickness of the foamed resin layer is thicker than that of the non-foamed resin layer described later. By being thicker than the non-foamed resin layer, excellent heat insulation, load resistance, and impact resistance can be obtained, and stress warpage due to the difference in elongation due to temperature with other layers such as the non-foamed resin layer. Is less likely to occur.

（非発泡樹脂層２）
上記非発泡樹脂層は、本発明の化粧材に主に形状安定性、耐水性、耐衝撃性、及び、耐傷性を付与する層であり、引張弾性率が１８０ＭＰａ以上である層であることが好ましい。引張弾性率が１８０ＭＰａ未満であると、耐傷性が得られない。耐傷性を得る観点から、引張弾性率は１８０ＭＰａ以上３０００ＭＰａ以下であることが好ましく、１０００ＭＰａ以上３０００ＭＰａ以下であることがより好ましく、２０００ＭＰａ以上２５００ＭＰａ以下であることがさらに好ましい。
また、引張弾性率が上記範囲内であると、発泡樹脂層などの他の層との温度などによる伸びの違いに起因する応力反りが生じにくくなる。ここで、引張弾性率（Ｅ）は、ＪＩＳ Ｋ６７３２（１９９６）に記載されたダンベル型試験片に打ち抜いた非発泡樹脂層を用意し、２０℃の温度条件下にて、引張圧縮試験機を用い、引張速度５０ｍｍ／分、チャック間距離８０ｍｍの条件で測定して得られた引張応力−ひずみ曲線の初めの直線部分から、次の式によって計算した。
Ｅ＝△ｐ／△Ｅ
Ｅ：引張弾性率
△ｐ：直線上の２点間の元の平均断面積による応力差
△Ｅ：同じ２点間のひずみ差(Non-foamed resin layer 2)
The non-foamed resin layer is a layer that mainly imparts shape stability, water resistance, impact resistance, and scratch resistance to the decorative material of the present invention, and is a layer having a tensile elastic modulus of 180 MPa or more. preferable. If the tensile elastic modulus is less than 180 MPa, scratch resistance cannot be obtained. From the viewpoint of obtaining scratch resistance, the tensile elastic modulus is preferably 180 MPa or more and 3000 MPa or less, more preferably 1000 MPa or more and 3000 MPa or less, and further preferably 2000 MPa or more and 2500 MPa or less.
Further, when the tensile elastic modulus is within the above range, stress warpage due to a difference in elongation due to temperature or the like with another layer such as a foamed resin layer is less likely to occur. Here, for the tensile elastic modulus (E), a non-foamed resin layer punched into a dumbbell type test piece described in JIS K6732 (1996) is prepared, and a tensile compression tester is used under a temperature condition of 20 ° C. It was calculated by the following formula from the first straight line portion of the tensile stress-strain curve obtained by measuring under the conditions of a tensile speed of 50 mm / min and a distance between chucks of 80 mm.
E = Δp / ΔE
E: Tension elastic modulus Δp: Stress difference due to the original average cross-sectional area between two points on a straight line ΔE: Strain difference between the same two points

上記非発泡樹脂層は、熱可塑性樹脂を含有することが好ましい。
上記熱可塑性樹脂としては、ポリ塩化ビニル樹脂、ポリ酢酸ビニル樹脂、ポリビニルアルコール樹脂などのポリビニル樹脂、ポリエチレン、ポリプロピレン、ポリスチレン、スチレン改質ポリオレフィン系樹脂、エチレン−酢酸ビニル共重合体樹脂（ＥＶＡ）、エチレン−（メタ）アクリル酸系樹脂などのポリオレフィン樹脂、ポリエチレンテレフタレート樹脂（ＰＥＴ樹脂）などのポリエステル樹脂、アクリル樹脂、ポリカーボネート樹脂、ポリウレタン樹脂、アクリロニトリル−ブタジエン−スチレン共重合体（ＡＢＳ樹脂）、アクリロニトリル−スチレン共重合体などの熱可塑性樹脂の単体及び共重合体、あるいは、これらの混合樹脂が好ましく挙げられる。なかでも、ポリオレフィン樹脂やアクリロニトリル−ブタジエン−スチレン共重合体、ポリ塩化ビニル樹脂が好ましい。The non-foamed resin layer preferably contains a thermoplastic resin.
Examples of the thermoplastic resin include polyvinyl chloride resins, polyvinyl acetate resins, polyvinyl alcohol resins and other polyvinyl resins, polyethylene, polypropylene, polystyrene, styrene-modified polyolefin resins, ethylene-vinyl acetate copolymer resins (EVA), and the like. Polyethylene resin such as ethylene- (meth) acrylic acid resin, polyester resin such as polyethylene terephthalate resin (PET resin), acrylic resin, polycarbonate resin, polyurethane resin, acrylonitrile-butadiene-styrene copolymer (ABS resin), acrylonitrile- A simple substance and a copolymer of a thermoplastic resin such as a styrene copolymer, or a mixed resin thereof is preferably mentioned. Of these, polyolefin resins, acrylonitrile-butadiene-styrene copolymers, and polyvinyl chloride resins are preferable.

本発明において、上記非発泡樹脂層は、無機化合物を含むことが好ましい。無機化合物を含むことで上記非発泡樹脂層の線膨張係数を低減させることができ、結果として本発明の化粧材の反りを抑制することができる。
上記無機化合物としては、例えば、タルク、炭酸カルシウム、シリカ、マイカ等が挙げられる。
上記無機化合物の含有量としては、非発泡樹脂層中の樹脂成分１００質量部に対し、１０質量部以上７０質量部以下であることが好ましい。１０質量部未満であると非発泡樹脂層の線膨張係数を充分に低減させることができないことがあり、７０質量部を超えると、非発泡樹脂層の引張弾性率が不充分となることがある。上記無機化合物の含有量のより好ましい範囲は１５質量部以上６５質量部以下である。In the present invention, the non-foamed resin layer preferably contains an inorganic compound. By containing the inorganic compound, the coefficient of linear expansion of the non-foamed resin layer can be reduced, and as a result, the warpage of the decorative material of the present invention can be suppressed.
Examples of the inorganic compound include talc, calcium carbonate, silica, mica and the like.
The content of the inorganic compound is preferably 10 parts by mass or more and 70 parts by mass or less with respect to 100 parts by mass of the resin component in the non-foamed resin layer. If it is less than 10 parts by mass, the linear expansion coefficient of the non-foamed resin layer may not be sufficiently reduced, and if it exceeds 70 parts by mass, the tensile elastic modulus of the non-foamed resin layer may be insufficient. .. A more preferable range of the content of the inorganic compound is 15 parts by mass or more and 65 parts by mass or less.

また、上記非発泡樹脂層は、１層により構成されていてもよいし、２層以上の層により構成される積層体でもよいが、２層以上の層により構成される積層体であり、少なくとも１層がガラス成分を含むものであることが好ましい。すなわち、非発泡樹脂層は、２層以上の層により構成される積層体であり、少なくとも１層が熱可塑性樹脂層であり、他の１層がガラス成分を含むガラス成分層であることが好ましい。このような構成とすることで優れた耐衝撃性が得られ、また形状安定性が向上する。
ガラス成分を含むガラス成分層は、例えば、ガラス繊維により構成される層などが好ましく挙げられる。Further, the non-foamed resin layer may be composed of one layer or a laminate composed of two or more layers, but is a laminate composed of two or more layers, and is at least. It is preferable that one layer contains a glass component. That is, it is preferable that the non-foaming resin layer is a laminate composed of two or more layers, at least one layer is a thermoplastic resin layer, and the other one layer is a glass component layer containing a glass component. .. With such a configuration, excellent impact resistance can be obtained and shape stability is improved.
As the glass component layer containing a glass component, for example, a layer composed of glass fibers and the like are preferably mentioned.

本発明においては、非発泡樹脂層は、熱可塑性樹脂層とガラス成分層とが交互に積層した積層体であることが好ましく、なかでも、図３に示されるような、第１熱可塑性樹脂層、ガラス成分層、第２熱可塑性樹脂層を順に有する積層体であることが好ましい。
非発泡樹脂層が複数の熱可塑性樹脂層を有する場合、該複数の熱可塑性樹脂層を形成する樹脂の種類は同じであっても異なっていてもよく、また複数の熱可塑性樹脂層の厚さは同じであっても異なっていてもよい。In the present invention, the non-foamed resin layer is preferably a laminated body in which the thermoplastic resin layer and the glass component layer are alternately laminated, and among them, the first thermoplastic resin layer as shown in FIG. , A laminated body having a glass component layer and a second thermoplastic resin layer in this order is preferable.
When the non-foamed resin layer has a plurality of thermoplastic resin layers, the types of resins forming the plurality of thermoplastic resin layers may be the same or different, and the thickness of the plurality of thermoplastic resin layers may be the same. May be the same or different.

上記非発泡樹脂層の厚さは、０．３ｍｍ以上１０ｍｍ以下であることが好ましく、１ｍｍ以上５ｍｍ以下であることがより好ましい。非発泡樹脂層の厚さが上記範囲内であると、優れた耐水性、耐衝撃性、及び耐傷性が得られる。また、発泡樹脂層などの他の層との温度などによる伸びの違いに起因する応力反りが生じにくくなる。
また、非発泡樹脂層の厚さは、上記したように、発泡樹脂層よりも薄い。発泡樹脂層層などの他の層との温度などによる伸びの違いに起因する応力反りが生じにくくなる。The thickness of the non-foamed resin layer is preferably 0.3 mm or more and 10 mm or less, and more preferably 1 mm or more and 5 mm or less. When the thickness of the non-foamed resin layer is within the above range, excellent water resistance, impact resistance, and scratch resistance can be obtained. In addition, stress warpage due to a difference in elongation due to temperature or the like with another layer such as a foamed resin layer is less likely to occur.
Further, the thickness of the non-foamed resin layer is thinner than that of the foamed resin layer as described above. Stress warpage due to the difference in elongation due to temperature or the like with other layers such as the foamed resin layer is less likely to occur.

（装飾層３）
上記装飾層は、本発明の化粧材に装飾性を付与する層であり、例えば、均一に着色が施された隠蔽層（ベタ印刷層）でもよいし、種々の模様をインキと印刷機を使用して印刷することにより形成される絵柄層であってもよいし、隠蔽層と絵柄層とを組み合わせた層（以下、模様層３３）であってもよい。上記装飾層としては、その他、転写法等で設けられた模様でもよいし、木材を薄くスライスした突板や挽き板でもよいし、着色されたベース樹脂層やベース樹脂層に模様を設けた化粧シートでもよい。そして、その中でも以下に示す化粧シートがより好ましい。なお、上記「化粧シート」とは、図２に示したように、ベース樹脂層４及び模様層３３と、後述する透明樹脂層５や表面保護層６等の任意の層と、模様層３３及び透明樹脂層５を接着する接着剤層７とからなる積層構造のものが好ましい。(Decorative layer 3)
The decorative layer is a layer that imparts decorativeness to the decorative material of the present invention. For example, a concealing layer (solid printing layer) that is uniformly colored may be used, or various patterns may be printed using ink and a printing machine. It may be a pattern layer formed by printing, or it may be a layer in which a concealing layer and a pattern layer are combined (hereinafter, a pattern layer 33). The decorative layer may be a pattern provided by a transfer method or the like, a veneer or a sawn board obtained by thinly slicing wood, or a decorative sheet having a pattern on a colored base resin layer or base resin layer. But it may be. And among them, the decorative sheet shown below is more preferable. As shown in FIG. 2, the above-mentioned "decorative sheet" includes a base resin layer 4 and a pattern layer 33, an arbitrary layer such as a transparent resin layer 5 and a surface protection layer 6 described later, and the pattern layer 33 and the pattern layer 33. A laminated structure including an adhesive layer 7 for adhering the transparent resin layer 5 is preferable.

上記隠蔽層を設けることにより、本発明の化粧材を設ける下地を隠蔽することができ、また、発泡樹脂層や非発泡樹脂層等が着色していたり色ムラがある場合に、意図した色彩を与えて表面の色を整えることができる。
また、上記絵柄層を設けることで、木目模様、大理石模様（例えばトラバーチン大理石模様）などの岩石の表面を模した石目模様、布目や布状の模様を模した布地模様、タイル貼模様、煉瓦積模様など、あるいはこれらを複合した寄木、パッチワークなどの模様を化粧シートに付与することができる。これらの模様は通常の黄色、赤色、青色、及び黒色のプロセスカラーによる多色印刷によって形成される他、模様を構成する個々の色の版を用意して行う特色による多色印刷などによっても形成される。By providing the concealing layer, the base on which the decorative material of the present invention is provided can be concealed, and when the foamed resin layer, the non-foamed resin layer, or the like is colored or has uneven color, the intended color can be obtained. It can be given to adjust the color of the surface.
In addition, by providing the above pattern layer, a stone pattern that imitates the surface of rock such as a wood grain pattern or a marble pattern (for example, a travertin marble pattern), a cloth pattern that imitates a cloth grain or a cloth-like pattern, a tiled pattern, or a brick It is possible to add a pattern such as a stacking pattern or a pattern such as a parquet or a patchwork in which these are combined to the decorative sheet. These patterns are formed by multicolor printing with ordinary yellow, red, blue, and black process colors, and also by multicolor printing with special colors prepared by preparing plates of the individual colors that make up the pattern. Will be done.

上記装飾層に用いるインキ組成物としては、バインダー樹脂に顔料、染料などの着色剤、体質顔料、溶剤、安定剤、可塑剤、触媒、硬化剤などを適宜混合したものが使用される。該バインダー樹脂としては特に制限はなく、例えば、ウレタン樹脂、塩化ビニル／酢酸ビニル共重合体樹脂、塩化ビニル／酢酸ビニル／アクリル共重合体樹脂、アクリル樹脂、ポリエステル樹脂、ニトロセルロース樹脂などが好ましく挙げられる。
上記バインダー樹脂としてはこれらの中から任意のものを、１種単独で又は２種以上を混合して用いることができる。
また、上記着色剤としては、カーボンブラック（墨）、鉄黒、チタン白、アンチモン白、黄鉛、チタン黄、弁柄、カドミウム赤、群青、コバルトブルーなどの無機顔料、キナクリドンレッド、イソインドリノンイエロー、フタロシアニンブルーなどの有機顔料、又は染料、アルミニウム、真鍮などの鱗片状箔片からなる金属顔料、二酸化チタン被覆雲母、塩基性炭酸鉛などの鱗片状箔片からなる真珠光沢（パール）顔料などが好ましく挙げられる。As the ink composition used for the decorative layer, a binder resin mixed with a colorant such as a pigment or a dye, an extender pigment, a solvent, a stabilizer, a plasticizer, a catalyst, a curing agent or the like is used. The binder resin is not particularly limited, and examples thereof include urethane resin, vinyl chloride / vinyl acetate copolymer resin, vinyl chloride / vinyl acetate / acrylic copolymer resin, acrylic resin, polyester resin, and nitrocellulose resin. Be done.
As the binder resin, any one of these can be used alone or in combination of two or more.
The colorants include carbon black (black), iron black, titanium white, antimony white, chrome yellow, titanium yellow, petals, cadmium red, ultramarine, cobalt blue and other inorganic pigments, quinacridone red, and isoindolinone. Organic pigments such as yellow and phthalocyanine blue, metal pigments consisting of scaly foil pieces such as dyes, aluminum and brass, titanium dioxide-coated mica, pearl gloss pigments consisting of scaly foil pieces such as basic lead carbonate, etc. Is preferably mentioned.

上記装飾層の厚さは、通常５μｍ以上３ｍｍ以下程度が好ましい。
上記装飾層が隠蔽層（ベタ印刷層）や絵柄層、隠蔽層と絵柄層とを組み合わせた模様層、転写法等で設けられた模様である場合、厚みは２０μｍ以下程度であることが好ましく、上記装飾層が突板や挽板である場合、厚みは０．５ｍｍ以上３ｍｍ以下程度であることが好ましく、上記装飾層が化粧シートである場合、厚みは５００μｍ以下程度であることが好ましい。
上記装飾層の厚さが上記範囲内にあれば、本発明の化粧材に優れた意匠を付与することができ、また隠蔽性を付与することができる。The thickness of the decorative layer is usually preferably about 5 μm or more and 3 mm or less.
When the decorative layer is a concealing layer (solid printing layer), a pattern layer, a pattern layer in which the concealing layer and the pattern layer are combined, or a pattern provided by a transfer method or the like, the thickness is preferably about 20 μm or less. When the decorative layer is a veneer or a sawn board, the thickness is preferably about 0.5 mm or more and 3 mm or less, and when the decorative layer is a decorative sheet, the thickness is preferably about 500 μm or less.
When the thickness of the decorative layer is within the above range, an excellent design can be imparted to the decorative material of the present invention, and concealment can be imparted.

（ベース樹脂層４）
ベース樹脂層は所望に応じて設けられる層であり、好ましくは熱可塑性樹脂により形成される層である。上記熱可塑性樹脂としては、上記発泡樹脂層に設けられる熱可塑性樹脂として例示したものを好ましく挙げることができる。なかでも、ポリオレフィン樹脂が好ましく、ポリエチレン樹脂、ポリプロピレン樹脂がより好ましい。(Base resin layer 4)
The base resin layer is a layer provided as desired, and is preferably a layer formed of a thermoplastic resin. As the thermoplastic resin, those exemplified as the thermoplastic resin provided in the foamed resin layer can be preferably mentioned. Of these, polyolefin resins are preferable, and polyethylene resins and polypropylene resins are more preferable.

上記ベース樹脂層は、透明でも着色されていてもよく、化粧材を設ける下地を隠蔽する観点から着色されていることが好ましい。用いられる着色剤としては、上記装飾層で用いられる着色剤として例示したものを好ましく挙げることができる。 The base resin layer may be transparent or colored, and is preferably colored from the viewpoint of concealing the base on which the decorative material is provided. As the colorant used, those exemplified as the colorant used in the decorative layer can be preferably mentioned.

ベース樹脂層の厚さは、１０μｍ以上１５０μｍ以下が好ましく、３０μｍ以上１００μｍ以下がより好ましく、４０μｍ以上８０μｍ以下がさらに好ましい。上記ベース樹脂層の厚さが上記範囲内であると、取り扱いが容易であり、また必要以上に本発明の化粧材が厚くなることがない。 The thickness of the base resin layer is preferably 10 μm or more and 150 μm or less, more preferably 30 μm or more and 100 μm or less, and further preferably 40 μm or more and 80 μm or less. When the thickness of the base resin layer is within the above range, it is easy to handle and the decorative material of the present invention does not become thicker than necessary.

また、ベース樹脂層には、必要に応じ、充填剤、難燃剤、滑剤、酸化防止剤、紫外線吸収剤、光安定剤等の各種の添加剤を添加してもよい。 Further, various additives such as a filler, a flame retardant, a lubricant, an antioxidant, an ultraviolet absorber, and a light stabilizer may be added to the base resin layer, if necessary.

（透明樹脂層５）
上記透明樹脂層は装飾層を保護するために設けられる任意の層であり、好ましくは熱可塑性樹脂により形成される層である。熱可塑性樹脂としては、上記の発泡樹脂層に設けられる熱可塑性樹脂として例示したものを好ましく挙げることができる。なかでも、ポリオレフィン樹脂が好ましく、ポリエチレン樹脂、ポリプロピレン樹脂、アイオノマー樹脂がより好ましい。(Transparent resin layer 5)
The transparent resin layer is an arbitrary layer provided to protect the decorative layer, and is preferably a layer formed of a thermoplastic resin. As the thermoplastic resin, those exemplified as the thermoplastic resin provided in the foamed resin layer can be preferably mentioned. Of these, polyolefin resins are preferable, and polyethylene resins, polypropylene resins, and ionomer resins are more preferable.

上記透明樹脂層は、上記装飾層が透視可能な様に、透明の樹脂層である。ここで、透明とは、無色透明のほか、着色透明や半透明をも含む概念である。
また、上記透明樹脂層には、その透明性を損なわない範囲で必要に応じ、充填剤、難燃剤、滑剤、酸化防止剤、紫外線吸収剤、光安定剤等の各種の添加剤を添加してもよい。The transparent resin layer is a transparent resin layer so that the decorative layer can be seen through. Here, transparent is a concept that includes not only colorless and transparent but also colored transparent and translucent.
Further, various additives such as a filler, a flame retardant, a lubricant, an antioxidant, an ultraviolet absorber, and a light stabilizer are added to the transparent resin layer as necessary without impairing its transparency. May be good.

上記透明樹脂層の厚さは、１０μｍ以上４００μｍ以下が好ましく、３０μｍ以上２５０μｍ以下がより好ましく、５０μｍ以上１００μｍ以下がさらに好ましい。上記透明樹脂層の厚さが上記範囲内であると、装飾層を保護することができ、取り扱いが容易であり、また必要以上に床用化粧材が厚くなることがない。 The thickness of the transparent resin layer is preferably 10 μm or more and 400 μm or less, more preferably 30 μm or more and 250 μm or less, and further preferably 50 μm or more and 100 μm or less. When the thickness of the transparent resin layer is within the above range, the decorative layer can be protected, the handling is easy, and the floor decorative material does not become thicker than necessary.

（表面保護層６）
上記表面保護層は、本発明の化粧材に耐衝撃性、耐荷重性、及び耐傷性などの表面特性を付与する、所望に応じて設けられる層である。表面保護層は、本発明の化粧材の最表面に設けられる。
上記表面保護層は、上記装飾層、あるいは好ましく設けられる透明樹脂層、接着剤層の上に、硬化性樹脂を含有する樹脂組成物を塗布し、これを硬化したもので構成されることが好ましい。架橋硬化された硬化性樹脂を含有することで、本発明の化粧材の表面特性を向上させることができる。(Surface protection layer 6)
The surface protective layer is a layer provided as desired, which imparts surface characteristics such as impact resistance, load resistance, and scratch resistance to the decorative material of the present invention. The surface protective layer is provided on the outermost surface of the decorative material of the present invention.
The surface protective layer is preferably composed of a resin composition containing a curable resin coated on the decorative layer, or a transparent resin layer and an adhesive layer preferably provided, and cured. .. By containing the crosslink-cured curable resin, the surface characteristics of the decorative material of the present invention can be improved.

上記表面保護層の形成に用いられる硬化性樹脂としては、電離放射線硬化性樹脂、及び、熱硬化性樹脂が好ましく挙げられ、これらを複数用いる、例えば、電離放射線硬化性樹脂と熱硬化性樹脂を併用する、いわゆるハイブリッドタイプであってもよい。
これらのうち、上記表面保護層を形成する樹脂の架橋密度を高め、表面特性を向上させる観点から、電離放射線硬化性樹脂が好ましく、また、無溶媒で塗布することができるものもあり、取り扱いが容易との観点から、電子線硬化性樹脂がさらに好ましい。Examples of the curable resin used for forming the surface protective layer include an ionization radiation curable resin and a thermosetting resin, and a plurality of these are used, for example, an ionization radiation curable resin and a thermosetting resin. It may be a so-called hybrid type used together.
Of these, ionizing radiation curable resins are preferable from the viewpoint of increasing the crosslink density of the resin forming the surface protective layer and improving the surface characteristics, and some of them can be applied without a solvent and are easy to handle. From the viewpoint of ease, an electron beam curable resin is more preferable.

上記電離放射線硬化性樹脂とは、電磁波又は荷電粒子線の中で分子を架橋、重合させ得るエネルギー量子を有するもの、すなわち、紫外線または電子線などを照射することにより、架橋、硬化する樹脂を指す。具体的には、従来電離放射線硬化性樹脂として慣用されている重合性モノマー及び重合性オリゴマーないしはプレポリマーの中から適宜選択して用いることができる。
上記重合性モノマーとしては、分子中にラジカル重合性不飽和基を持つ（メタ）アクリレート系モノマーが好適であり、中でも多官能性（メタ）アクリレートが好ましい。多官能性（メタ）アクリレートとしては、分子内にエチレン性不飽和結合を２個以上有する（メタ）アクリレートであればよく、特に制限はない。これらの多官能性（メタ）アクリレートは１種を単独で用いてもよいし、２種以上を組み合わせて用いてもよい。The ionizing radiation curable resin refers to a resin having an energy quantum capable of cross-linking and polymerizing molecules in an electromagnetic wave or a charged particle beam, that is, a resin that is cross-linked and cured by irradiating with ultraviolet rays or an electron beam. .. Specifically, it can be appropriately selected and used from the polymerizable monomer and the polymerizable oligomer or prepolymer conventionally used as an ionizing radiation curable resin.
As the polymerizable monomer, a (meth) acrylate-based monomer having a radically polymerizable unsaturated group in the molecule is preferable, and a polyfunctional (meth) acrylate is particularly preferable. The polyfunctional (meth) acrylate may be any (meth) acrylate having two or more ethylenically unsaturated bonds in the molecule, and is not particularly limited. One of these polyfunctional (meth) acrylates may be used alone, or two or more thereof may be used in combination.

次に、上記重合性オリゴマーとしては、分子中にラジカル重合性不飽和基を持つオリゴマー、例えばエポキシ（メタ）アクリレート系、ウレタン（メタ）アクリレート系、ポリエステル（メタ）アクリレート系、ポリエーテル（メタ）アクリレート系などが挙げられる。
さらに、上記重合性オリゴマーとしては、他にポリブタジエンオリゴマーの側鎖に（メタ）アクリレート基をもつ疎水性の高いポリブタジエン（メタ）アクリレート系オリゴマー、主鎖にポリシロキサン結合をもつシリコーン（メタ）アクリレート系オリゴマー、小さな分子内に多くの反応性基をもつアミノプラスト樹脂を変性したアミノプラスト樹脂（メタ）アクリレート系オリゴマー、あるいはノボラック型エポキシ樹脂、ビスフェノール型エポキシ樹脂、脂肪族ビニルエーテル、芳香族ビニルエーテルなどの分子中にカチオン重合性官能基を有するオリゴマーなどがある。Next, as the polymerizable oligomer, an oligomer having a radically polymerizable unsaturated group in the molecule, for example, epoxy (meth) acrylate-based, urethane (meth) acrylate-based, polyester (meth) acrylate-based, or polyether (meth) Examples include acrylate type.
Further, as the above-mentioned polymerizable oligomer, a highly hydrophobic polybutadiene (meth) acrylate-based oligomer having a (meth) acrylate group in the side chain of the polybutadiene oligomer and a silicone (meth) acrylate-based oligomer having a polysiloxane bond in the main chain are also used. Oligomers, aminoplast resin (meth) acrylate-based oligomers modified from aminoplast resins having many reactive groups in small molecules, or molecules such as novolak type epoxy resin, bisphenol type epoxy resin, aliphatic vinyl ether, aromatic vinyl ether, etc. Among them are oligomers having a cationically polymerizable functional group.

本発明においては、上記多官能性（メタ）アクリレートなどとともに、その粘度を低下させるなどの目的で、単官能性（メタ）アクリレートを、本発明の目的を損なわない範囲で適宜併用することができる。これらの単官能性（メタ）アクリレートは１種を単独で用いてもよいし、２種以上を組み合わせて用いてもよい。 In the present invention, monofunctional (meth) acrylate can be appropriately used in combination with the above-mentioned polyfunctional (meth) acrylate and the like for the purpose of lowering the viscosity thereof, as long as the object of the present invention is not impaired. .. One of these monofunctional (meth) acrylates may be used alone, or two or more thereof may be used in combination.

上記熱硬化性樹脂としては、例えば、エポキシ樹脂、フェノール樹脂、ユリア樹脂、不飽和ポリエステル樹脂、メラミン樹脂、アルキド樹脂、ポリイミド樹脂、シリコーン樹脂、水酸基官能性アクリル樹脂、カルボキシル官能性アクリル樹脂、アミド官能性共重合体、ウレタン樹脂などが好ましく挙げられる。 Examples of the thermosetting resin include epoxy resin, phenol resin, urea resin, unsaturated polyester resin, melamine resin, alkyd resin, polyimide resin, silicone resin, hydroxyl group functional acrylic resin, carboxyl functional acrylic resin, and amide functional. Sexual copolymers, urethane resins and the like are preferably mentioned.

また、上記熱硬化性樹脂として、２液硬化性の樹脂も好ましく挙げられ、具体的には、ポリオールとイソシアネートとの２液硬化性の樹脂が好ましい。
ここで、上記ポリオールとしては、例えば、アクリルポリオール、ポリエステルポリオール、エポキシポリオールなどが好ましく挙げられる。
また、上記イソシアネートとしては、例えば、分子中に２個以上のイソシアネート基を有する多価イソシアネートであればよく、例えば、２，４−トリレンジイソシアネート（ＴＤＩ）、キシレンジイソシアネート（ＸＤＩ）、ナフタレンジイソシアネート、４，４’−ジフェニルメタンジイソシアネートなどの芳香族イソシアネート、１，６−ヘキサメチレンジイソシアネート（ＨＭＤＩ）、イソホロンジイソシアネート（ＩＰＤＩ）、メチレンジイソシアネート（ＭＤＩ）、水素添加トリレンジイソシアネート、水素添加ジフェニルメタンジイソシアネートなどの脂肪族（乃至は脂環式）イソシアネートなどのポリイソシアネートが用いられる。あるいは、これら各種イソシアネートの付加体又は多量体、例えば、トリレンジイソシアネートの付加体、トリレンジイソシアネート３量体（ｔｒｉｍｅｒ）なども用いられる。Further, as the thermosetting resin, a two-component curable resin is also preferably mentioned, and specifically, a two-component curable resin of a polyol and an isocyanate is preferable.
Here, as the above-mentioned polyol, for example, an acrylic polyol, a polyester polyol, an epoxy polyol and the like are preferably mentioned.
The isocyanate may be, for example, a polyvalent isocyanate having two or more isocyanate groups in the molecule, for example, 2,4-tolylene diisocyanate (TDI), xylene diisocyanate (XDI), naphthalene diisocyanate, etc. Aromatic isocyanates such as 4,4'-diphenylmethane diisocyanate, aliphatic isocyanates such as 1,6-hexamethylene diisocyanate (HMDI), isophorone diisocyanate (IPDI), methylene diisocyanate (MDI), hydrogenated tolylene diisocyanate, and hydrogenated diphenylmethane diisocyanate. Polyisocyanates such as (or alicyclic) isocyanates are used. Alternatively, adducts or multimers of these various isocyanates, for example, adducts of tolylene diisocyanate, trimers of tolylene diisocyanate, and the like are also used.

また、上記表面保護層を構成する樹脂組成物中には、その性能を阻害しない範囲で、各種添加剤を含有することができる。
上記各種添加剤としては、例えば、紫外線吸収剤（ＵＶＡ）、光安定剤（ＨＡＬＳなど）、重合禁止剤、架橋剤、帯電防止剤、接着性向上剤、酸化防止剤、レベリング剤、チクソ性付与剤、カップリング剤、可塑剤、消泡剤、充填剤、溶剤などが挙げられる。In addition, various additives can be contained in the resin composition constituting the surface protective layer as long as the performance is not impaired.
Examples of the above-mentioned various additives include an ultraviolet absorber (UVA), a light stabilizer (HALS, etc.), a polymerization inhibitor, a cross-linking agent, an antistatic agent, an adhesive improver, an antioxidant, a leveling agent, and a thixogenic property. Examples include agents, coupling agents, plasticizers, antifoaming agents, fillers, solvents and the like.

上記表面保護層の厚さは、３μｍ以上４０μｍ以下が好ましく、５μｍ以上２０μｍ以下がより好ましい。上記表面保護層の厚さが上記範囲内であると、優れた表面特性が得られる。 The thickness of the surface protective layer is preferably 3 μm or more and 40 μm or less, and more preferably 5 μm or more and 20 μm or less. When the thickness of the surface protective layer is within the above range, excellent surface characteristics can be obtained.

（接着剤層７）
上記接着剤層は、上記ベース樹脂層と上記透明樹脂層とを設ける場合に、該樹脂層をラミネートする際に必要に応じて設けられる層である。
上記接着剤層に用いられる接着剤としては、例えば、ウレタン接着剤、アクリル接着剤、アクリル／ウレタン接着剤、ポリエステル接着剤、ポリエステルウレタン接着剤、ポリアミド接着剤、ポリスチレン接着剤、セルロース接着剤などが好ましく挙げられる。これらの接着剤は、１種単独で、あるいは２種以上の混合物として使用することができる。(Adhesive layer 7)
The adhesive layer is a layer provided as necessary when laminating the resin layer when the base resin layer and the transparent resin layer are provided.
Examples of the adhesive used for the adhesive layer include urethane adhesive, acrylic adhesive, acrylic / urethane adhesive, polyester adhesive, polyester urethane adhesive, polyamide adhesive, polystyrene adhesive, cellulose adhesive and the like. Preferred. These adhesives can be used alone or as a mixture of two or more.

上記接着剤層の厚さは、１μｍ以上３０μｍ以下が好ましく、３μｍ以上１５μｍ以下がより好ましい。上記接着剤層の厚さが上記範囲内であると、良好な接着性が得られ、かつ必要以上に本発明の化粧材が厚くなることがない。 The thickness of the adhesive layer is preferably 1 μm or more and 30 μm or less, and more preferably 3 μm or more and 15 μm or less. When the thickness of the adhesive layer is within the above range, good adhesiveness can be obtained, and the decorative material of the present invention does not become thicker than necessary.

上記の各層を有する本発明の化粧材は、耐衝撃性に優れ、断熱性、耐水性、耐荷重性に優れ、更に耐傷性にも優れ、かつ、施工容易性にも優れるものであり、建物の窓枠や、床材、とりわけトイレ、洗面、台所などの水廻り用途に好適である。
本発明の化粧材の厚さは、優れた耐衝撃性、断熱性、耐水性、耐荷重性、及び耐傷性を得る観点から、５ｍｍ以上であることが好ましく、６ｍｍ以上３０ｍｍ以下がより好ましく、１０ｍｍ以上２０ｍｍ以下が更に好ましい。
また、施工容易性を考慮すると、リビングや廊下などの水廻り以外の箇所に設けられる木質フローリング材と同じ厚さとすることが好ましい。
木質フローリング材の厚さは、通常８ｍｍ、１２ｍｍ、１５ｍｍなどがあり、１２ｍｍが標準的な厚さである。
なお、最終製品の特性に応じて、本発明の化粧材には、テノーナー、ルーター等を用いて実加工、Ｖ字形状の条溝付与、四辺の面取り等が施されていてもよい。
図４に、本発明の化粧材の図２に示される態様における非発泡樹脂層２に、雄実８ａと雌実８ｂとが設けられた構造を示す。
また、本発明の化粧材は、耐候性が優れたものが好ましく、特に、後述するような窓枠用化粧材として使用される場合、サンシャインウェザー試験にて４０００時間試験後でも外観変化が軽微であることが好ましい。The decorative material of the present invention having each of the above layers has excellent impact resistance, heat insulation, water resistance, load resistance, scratch resistance, and ease of construction. It is suitable for window frames and flooring materials, especially for water-related applications such as toilets, washbasins, and kitchens.
The thickness of the decorative material of the present invention is preferably 5 mm or more, more preferably 6 mm or more and 30 mm or less, from the viewpoint of obtaining excellent impact resistance, heat insulating property, water resistance, load resistance, and scratch resistance. More preferably, it is 10 mm or more and 20 mm or less.
Further, in consideration of ease of construction, it is preferable that the thickness is the same as that of the wood flooring material provided in a place other than the water area such as a living room or a corridor.
The thickness of the wood flooring material is usually 8 mm, 12 mm, 15 mm, etc., and 12 mm is the standard thickness.
Depending on the characteristics of the final product, the decorative material of the present invention may be subjected to actual processing, V-shaped groove provision, chamfering on all four sides, etc. using a tenor, a router, or the like.
FIG. 4 shows a structure in which a male fruit 8a and a female fruit 8b are provided on the non-foamed resin layer 2 in the embodiment shown in FIG. 2 of the decorative material of the present invention.
Further, the decorative material of the present invention preferably has excellent weather resistance, and in particular, when used as a decorative material for a window frame as described later, the appearance change is slight even after a 4000-hour test in a sunshine weather test. It is preferable to have.

本発明の化粧材は、建物の窓枠の少なくとも一部に用いられ窓枠用化粧材であって、上記窓枠用化粧材は、発泡樹脂層と、当該発泡樹脂層の表面の少なくとも一部を覆う被覆層とを備えており、上記被覆層は、装飾層と、当該装飾層の上記発泡樹脂層側に非発泡樹脂層を備えており、上記被覆層は、上記発泡樹脂層における上側の面と手前側の面に設けられている窓枠用化粧材として好適に用いることができる。 The decorative material of the present invention is used for at least a part of a window frame of a building and is a decorative material for a window frame. The decorative material for a window frame is a foamed resin layer and at least a part of the surface of the foamed resin layer. The coating layer includes a decorative layer and a non-foamed resin layer on the foamed resin layer side of the decorative layer, and the coating layer is the upper side of the foamed resin layer. It can be suitably used as a decorative material for a window frame provided on the surface and the front surface.

上記窓枠用化粧材において、上記被覆層は、上記発泡樹脂層の表面の少なくとも一部を覆うものであるが、上記発泡樹脂層における上側の面と手前側の面に設けられている。
なお、上記発泡樹脂層の上側の面とは、上記窓枠用化粧材を施工した際に上側となる面であり、上記発泡樹脂層の手前側の面とは、上記窓枠用化粧材を施工した際に、建物の外壁面側と反対側となる面である。このように上記発泡樹脂層の上側の面と手前側の面とに上記被覆層が設けられていることで、上記窓枠用化粧材を窓に施工した際に、使用者の視界に入る部分にのみ被覆層（装飾層）が設けられた態様とすることができる。
図１０（ａ）〜（ｄ）は、本発明の化粧材の好ましい一例である窓枠用化粧材を組み立てる際に使用する原料積層体と窓枠用化粧材の厚み方向の断面図である。
図１０（ａ）に示した窓枠用化粧材は、例えば、以下の方法で得ることができる。
まず、装飾層１０３に積層された状態の非発泡樹脂層１０２に、断面視三角で溝状の切れ目１０６を設け、切れ目１０６に隣接する位置に発泡樹脂層１０１を積層する。そして、上記原料積層体を発泡樹脂層１０１が内側となるようにして切れ目１０６部分で折り曲げ、発泡樹脂層１０１の手前側の端面に非発泡樹脂層１０２を圧着又は接着剤を介して貼り付けることで得ることができる。
また、図１０（ｂ）に示した窓枠用化粧材は、例えば、以下の方法で得ることができる。
まず、装飾層１０３に積層された状態の非発泡樹脂層１０２に、断面視三角で溝状の切れ目を設け、該切れ目に隣接する位置に発泡樹脂層１０１を積層し、該発泡樹脂層１０１の上記切れ目側の側面付近を、上記切れ目と連続面となるように台形状に切り取り、断面視三角で溝状の切れ目１０６’を設ける。次に、発泡樹脂層１０１で切り取られた台形状の他の発泡樹脂層１０１を、切れ目１０６’を介して非発泡層１０２に積層して原料積層体を作製する。なお、台形状の発泡樹脂層１０１は、切り取り１０６’と連続面となるよう積層することが好ましい。そして、発泡樹脂層１０１が内側となるようにして切れ目１０６’部分で折り曲げ、左側の発泡樹脂層１０１の切れ目１０６’側の端面に台形状の発泡樹脂層１０１を圧着又は接着剤を介して貼り付けることで、得ることができる。
また、図１０（ｃ）に示した窓枠用化粧板は、例えば、以下の方法で得ることができる。
まず、装飾層１０３に積層された状態の非発泡樹脂層１０２に、断面視三角形で溝状の切れ目１０６を２か所設け、左側に設けた切れ目１０６の外側に発泡樹脂層１０１を積層する。次に、発泡樹脂層１０１の切れ目１０６側面の非発泡層１０２側と反対側面付近に、右側の切れ目１０６の外側の非発泡層１０２及び装飾層１０３が嵌め込める形状の切り取り部１０７を設けて原料積層体を作製する。次いで、発泡樹脂層１０１が内側となるようにして切れ目１０６部分で折り曲げ、発泡樹脂層１０１と非発泡層１０２とを圧着又は接着剤を介して貼り付けることで、得ることができる。
また、図１０（ｄ）に示した窓枠用化粧板は、例えば、以下の方法で得ることができる。
まず、装飾層１０３に積層された状態の非発泡樹脂層１０２に、断面視三角形で溝状の切れ目１０６を２か所設け、左右に設けた切れ目１０６の外側のそれぞれに発泡樹脂層１０１を積層する。次に、左側に設けた発泡樹脂層１０１の切れ目１０６側面の非発泡層１０２側と反対側面付近に、右側の切れ目１０６の外側に設けた発泡樹脂層１０１、非発泡層１０２及び装飾層１０３が嵌め込める形状の切り取り部１０７’を設けて原料積層体を作製する。次いで、左側の発泡樹脂層１０１が内側となるようにして切れ目１０６部分で折り曲げ、左側の発泡樹脂層１０１と非発泡層１０２及び右側の発泡樹脂層１０１とを圧着又は接着剤を介して貼り付けることで、得ることができる。
なお、図１０（ｃ）及び図１０（ｄ）に示した窓枠用化粧材において、発泡樹脂層１０１の下面と、該下面に設けられた被覆層（装飾層１０３及び非発泡樹脂層１０２）とは、同一面を形成してもよく、いずれか一方が突出した状態を形成していてもよい。In the decorative material for window frames, the coating layer covers at least a part of the surface of the foamed resin layer, and is provided on the upper surface and the front side surface of the foamed resin layer.
The upper surface of the foamed resin layer is the upper surface when the window frame decorative material is applied, and the front surface of the foamed resin layer is the window frame decorative material. This is the surface opposite to the outer wall surface of the building when it is constructed. By providing the coating layer on the upper surface and the front surface of the foamed resin layer in this way, a portion that can be seen by the user when the decorative material for the window frame is applied to the window. A mode in which a coating layer (decorative layer) is provided only on the surface can be used.
10 (a) to 10 (d) are cross-sectional views in the thickness direction of the raw material laminate and the window frame decorative material used when assembling the window frame decorative material, which is a preferable example of the decorative material of the present invention.
The decorative material for a window frame shown in FIG. 10A can be obtained, for example, by the following method.
First, the non-foamed resin layer 102 laminated on the decorative layer 103 is provided with a groove-shaped cut 106 having a triangular cross-sectional view, and the foamed resin layer 101 is laminated at a position adjacent to the cut 106. Then, the raw material laminate is bent at the cut 106 portion so that the foamed resin layer 101 is on the inside, and the non-foamed resin layer 102 is attached to the front end surface of the foamed resin layer 101 via pressure bonding or an adhesive. Can be obtained at.
Further, the decorative material for a window frame shown in FIG. 10B can be obtained, for example, by the following method.
First, a groove-shaped cut having a triangular cross-sectional view is provided on the non-foamed resin layer 102 laminated on the decorative layer 103, and the foamed resin layer 101 is laminated at a position adjacent to the cut to form the foamed resin layer 101. The vicinity of the side surface on the cut side is cut into a trapezoidal shape so as to be a continuous surface with the cut, and a groove-shaped cut 106'is provided with a triangular cross section. Next, another trapezoidal foamed resin layer 101 cut out by the foamed resin layer 101 is laminated on the non-foamed layer 102 via the cut 106'to prepare a raw material laminate. The trapezoidal foamed resin layer 101 is preferably laminated so as to have a continuous surface with the cutout 106'. Then, the foamed resin layer 101 is bent at the cut 106'so as to be inside, and the trapezoidal foamed resin layer 101 is attached to the end surface of the left foamed resin layer 101 on the cut 106' side by pressure bonding or an adhesive. You can get it by attaching it.
Further, the decorative board for the window frame shown in FIG. 10C can be obtained by, for example, the following method.
First, the non-foamed resin layer 102 laminated on the decorative layer 103 is provided with two groove-shaped cuts 106 having a triangular cross-sectional view, and the foamed resin layer 101 is laminated on the outside of the cuts 106 provided on the left side. Next, a cutout portion 107 having a shape into which the non-foamed layer 102 and the decorative layer 103 on the outside of the right cut 106 can be fitted is provided near the side surface of the foamed resin layer 101 on the side surface opposite to the non-foamed layer 102 side. A laminate is produced. Next, the foamed resin layer 101 is bent at the cut 106 portion so that the foamed resin layer 101 is on the inside, and the foamed resin layer 101 and the non-foamed layer 102 are attached by pressure bonding or via an adhesive.
Further, the decorative board for the window frame shown in FIG. 10D can be obtained by, for example, the following method.
First, the non-foamed resin layer 102 laminated on the decorative layer 103 is provided with two groove-shaped cuts 106 having a triangular cross-sectional view, and the foamed resin layer 101 is laminated on each of the outer sides of the cuts 106 provided on the left and right. do. Next, the foamed resin layer 101, the non-foamed layer 102, and the decorative layer 103 provided on the outside of the cut 106 on the right side are formed near the side surface opposite to the non-foamed layer 102 side of the cut 106 side surface of the foamed resin layer 101 provided on the left side. A raw material laminate is produced by providing a cutout portion 107'having a shape to be fitted. Next, the foamed resin layer 101 on the left side is bent at the cut 106 portion so as to be inside, and the foamed resin layer 101 on the left side, the non-foamed layer 102, and the foamed resin layer 101 on the right side are attached by pressure bonding or an adhesive. By doing so, you can get it.
In the window frame decorative materials shown in FIGS. 10 (c) and 10 (d), the lower surface of the foamed resin layer 101 and the coating layer (decorative layer 103 and the non-foamed resin layer 102) provided on the lower surface. May form the same surface, or one of them may form a protruding state.

また、本発明において、上記発泡樹脂層は、その手前側の端部からその近傍にかけて下側に突出する下側突出部が設けられた第一の領域を備えていることが好ましい。
図６に本発明の化粧材の用途の一つである窓枠用化粧材の一例を示す。図６（ａ）は厚み方向の断面図であり、図６（ｂ）は、窓枠用化粧材（窓枠）６０の斜視図の一例を示し、窓枠用化粧材（窓枠）６０は、発泡樹脂層６１上に非発泡樹脂層６２及び装飾層６３がこの順に積層された本発明の化粧材の一の端部（上記手前側の端部）付近において、発泡樹脂層６１が内側となるように折りたたまれた状態の下側突出部（以下、屈曲部６５ともいう）が形成されている。また、上記下側突出部（屈曲部６５）が設けられた第一の領域とは、例えば、図６（ｂ）にＡで示した領域である。
このような窓枠用化粧材６０は、例えば、図６（ｃ）に示したように、装飾層６３に積層された状態の非発泡樹脂層６２に、断面視Ｍ字状で溝状の切れ目６４を２か所設け、切れ目６４の間に非発泡樹脂層６２を積層して原料積層体を作製し、該発泡樹脂層６１の厚み分だけ離間させた位置に他の発泡樹脂層６１を積層した後、発泡樹脂層６１が内側となるようにして切れ目６４部分で折り曲げ、発泡樹脂層６１同士を圧着又は接着剤を介して貼り付けることで、図６（ａ）、図６（ｂ）に示したような構造の窓枠用化粧材を得ることができる。
また、上記窓枠用化粧材のその他の構成としては、例えば、装飾層６３に積層された状態の非発泡樹脂層６２に、断面視三角形で溝状の切れ目６６を４か所設け、切れ目６６に隣接する部分に発泡樹脂層６１を非発泡樹脂層６２上に接着し、該２個の発泡樹脂層の側面付近に真ん中の発泡樹脂層６１の両端が嵌め込める形状の切り取り部６７を設ける。そして、発泡樹脂層６１が内側となるようにして切れ目６６部分で折り曲げ、発泡樹脂層６１同士を圧着又は接着剤を介して貼り付けることで、図６（ｄ）に示したような構造の窓枠用化粧材を得ることができる。
また、上記窓枠用化粧材の更に別の構成としては、例えば、装飾層６３に積層された状態の非発泡樹脂層６２に、断面視三角形で溝状の切れ目６６を４か所設け、内側に設けた２か所の切れ目６６の間に発泡樹脂層６１（ａ）を積層し、それ以外の切れ目６６に隣接する部分に発泡樹脂層６１（ｂ）、６１（ｃ）をそれぞれ非発泡樹脂層６２上に接着し、該２個の発泡樹脂層６１（ｂ）、６１（ｃ）の側面が真ん中の発泡樹脂層６１（ａ）と接触しない位置で嵌め込める形状の切り取り部６７’を設ける。そして、発泡樹脂層６１（ａ）が内側となるようにして切れ目６６部分で折り曲げ、発泡樹脂層６１（ｂ）、６１（ｃ）同士を圧着又は接着剤を介して貼り付けることで、図６（ｅ）に示したような発泡樹脂層６１（ｂ）、６１（ｃ）の加工寸法が粗雑であったとしても支障なく折りたたまれる構造の窓枠用化粧材を得ることができる。なお、切れ目６６部分で折り曲げる前に発泡樹脂層６１（ｂ）、６１（ｃ）設けた切り取り部６７’は、発泡樹脂層６１（ｂ）、６１（ｃ）同士を貼り付けた後、空間６７’となる。
上記窓枠用化粧材は、図６（ａ）〜（ｅ）に示したように、被覆層（非発泡樹脂層６２及び装飾層６３）は、さらに、発泡樹脂層６１の下側突出部の下側の面に設けられていることが好ましく、上記被覆層の発泡樹脂層６１における上側の面を覆う部分と、上記被覆層の発泡樹脂層６１における手前側の面を覆う部分とが連続していることが好ましい。
更に、上記窓枠用化粧材は、上記被覆層の発泡樹脂層６１における手前側の面を覆う部分と、上記被覆層の発泡樹脂層６１の下側突出部（屈曲部６５）の下側の面を覆う部分とが連続していることが好ましく、上記被覆層の発泡樹脂層６１における上側の面を覆う部分と、上記被覆層の発泡樹脂層における手前側の面を覆う部分と、上記被覆層の上記発泡樹脂層の下側突出部の下側の面を覆う部分とが連続していることが好ましい。
また、上記発泡樹脂層における上記第一の領域における両側面と、上記発泡樹脂層における上記第一の領域を除く領域（図６（ｂ）における領域Ｂ）における両側面とが同一面にあり、上記窓枠用化粧材は、平面視矩形状であることが好ましい。
なお、図６（ｃ）〜（ｅ）、図１０（ａ）〜（ｄ）に設けられた発泡樹脂層は平板の状態で被覆層と積層させ、その後に所望の形状に削ることで設けてもよい。Further, in the present invention, it is preferable that the foamed resin layer has a first region provided with a lower protruding portion that protrudes downward from the front end portion to the vicinity thereof.
FIG. 6 shows an example of a decorative material for a window frame, which is one of the uses of the decorative material of the present invention. FIG. 6A is a cross-sectional view in the thickness direction, FIG. 6B shows an example of a perspective view of the window frame decorative material (window frame) 60, and the window frame decorative material (window frame) 60 is In the vicinity of one end (the front end) of the decorative material of the present invention in which the non-foamed resin layer 62 and the decorative layer 63 are laminated in this order on the foamed resin layer 61, the foamed resin layer 61 is inside. A lower protruding portion (hereinafter, also referred to as a bent portion 65) in a folded state is formed. Further, the first region provided with the lower protruding portion (bending portion 65) is, for example, the region shown by A in FIG. 6 (b).
As shown in FIG. 6C, for example, such a decorative material 60 for a window frame is formed in a non-foamed resin layer 62 laminated on a decorative layer 63 with an M-shaped and groove-shaped cut in a cross-sectional view. 64 is provided at two places, a non-foamed resin layer 62 is laminated between the cuts 64 to prepare a raw material laminate, and another foamed resin layer 61 is laminated at a position separated by the thickness of the foamed resin layer 61. After that, the foamed resin layer 61 is bent at the cut 64 portion so as to be on the inside, and the foamed resin layers 61 are attached to each other by pressure bonding or via an adhesive. A decorative material for a window frame having a structure as shown can be obtained.
Further, as another configuration of the decorative material for the window frame, for example, the non-foamed resin layer 62 in a state of being laminated on the decorative layer 63 is provided with four groove-shaped cuts 66 having a triangular cross-sectional view, and the cuts 66 are provided. The foamed resin layer 61 is adhered onto the non-foamed resin layer 62 at a portion adjacent to the above, and a cutout portion 67 having a shape in which both ends of the foamed resin layer 61 in the middle can be fitted is provided near the side surfaces of the two foamed resin layers. Then, the foamed resin layer 61 is bent at the cut 66 portion so as to be inside, and the foamed resin layers 61 are bonded to each other via pressure bonding or an adhesive to form a window having a structure as shown in FIG. 6D. A decorative material for a frame can be obtained.
Further, as yet another configuration of the decorative material for the window frame, for example, the non-foamed resin layer 62 in a state of being laminated on the decorative layer 63 is provided with four groove-shaped cuts 66 having a triangular cross-sectional view inside. The foamed resin layer 61 (a) is laminated between the two cuts 66 provided in the above, and the foamed resin layers 61 (b) and 61 (c) are respectively non-foamed resin in the portions adjacent to the other cuts 66. A cutout portion 67'having a shape that adheres to the layer 62 and is fitted so that the side surfaces of the two foamed resin layers 61 (b) and 61 (c) do not come into contact with the foamed resin layer 61 (a) in the middle is provided. .. Then, the foamed resin layer 61 (a) is bent at the cut 66 portion so that the foamed resin layer 61 (a) is on the inside, and the foamed resin layers 61 (b) and 61 (c) are attached to each other by crimping or using an adhesive. Even if the processed dimensions of the foamed resin layers 61 (b) and 61 (c) as shown in (e) are rough, it is possible to obtain a decorative material for a window frame having a structure that can be folded without any problem. The cutout portion 67'provided of the foamed resin layers 61 (b) and 61 (c) before being bent at the cut 66 portion is a space 67 after the foamed resin layers 61 (b) and 61 (c) are attached to each other. '.
In the window frame decorative material, as shown in FIGS. 6A to 6E, the coating layer (non-foaming resin layer 62 and decorative layer 63) is further formed on the lower protruding portion of the foamed resin layer 61. It is preferable that the coating layer is provided on the lower surface, and the portion of the coating layer covering the upper surface of the foamed resin layer 61 and the portion of the coating layer covering the front surface of the foamed resin layer 61 are continuous. Is preferable.
Further, the decorative material for the window frame includes a portion of the foamed resin layer 61 of the coating layer that covers the front surface and a lower protruding portion (bent portion 65) of the foamed resin layer 61 of the coating layer. It is preferable that the portion covering the surface is continuous, the portion covering the upper surface of the foamed resin layer 61 of the coating layer, the portion covering the front side surface of the foamed resin layer of the coating layer, and the coating. It is preferable that the portion of the layer covering the lower surface of the lower protruding portion of the foamed resin layer is continuous.
Further, both side surfaces of the foamed resin layer in the first region and both side surfaces of the foamed resin layer excluding the first region (region B in FIG. 6B) are on the same surface. The decorative material for the window frame preferably has a rectangular shape in a plan view.
The foamed resin layers provided in FIGS. 6 (c) to 6 (e) and FIGS. 10 (a) to 10 (d) are provided by laminating with a coating layer in a flat state and then cutting into a desired shape. May be good.

なお、このような窓枠用化粧材は、図７（ａ）に示した窓枠用化粧材（窓枠）７０１のように屈曲部の少なくとも一方の側面に木口材であるエッジテープ７１が貼着されていることが好ましい。上記エッジテープとしては、例えば、パネフリ工業社製のパネフリバンド、マーブレットＳ等が挙げられる。それ以外にも装飾層３を側面に貼着したり、非発泡樹脂層２を側面に貼着したりして装飾層３（上記被覆層）を上記第一の領域における少なくとも一方の側面に設けてもよい。この場合、上記発泡樹脂層の表面の少なくとも一部を覆う被覆層と、上記発泡樹脂層の上記第一の領域における少なくとも一方の側面に貼着されたエッジテープ、装飾層及び被覆層からなる群より選択される少なくとも一つとが同じ模様柄であることが好ましい。
更に、上記窓枠用化粧材は、例えば、図７（ｂ）に示した窓枠用化粧材（窓枠）７０１のように、エッジテープ７１を貼着した側面の一方に切り欠き７３が設けられていてもよく、図７（ｃ）に示した窓枠用化粧材（窓枠）７０２のように、エッジテープ７１を貼着した側面の両方に切り欠き７３が設けられていてもよい。
上記側面のエッジテープ７１は切り欠き７３が形成されていない箇所に設けられていることが好ましい。
また、エッジテープ７１を貼着した側面の一方に切り欠き７３が設けられている場合、発泡樹脂層６１における第一の領域Ａにおける両側面の一方が、発泡樹脂層６１における第一の領域Ａを除く領域Ｂにおける両側面間の一方より突出した平面視Ｌ字型であることが好ましく、また、エッジテープ７１を貼着した側面の両方に切り欠き７３が設けられている場合、上記発泡樹脂層６１における第一の領域Ａにおける両側面が、発泡樹脂層６１における第一の領域Ａを除く領域Ｂにおける両側面より突出して平面視Ｔ字型であることが好ましい。
また、本発明では、上記発泡樹脂層は、図１１に示したように平面視台形であってもよい。図１１に示した発泡樹脂層１１０は、例えば、短辺同士を組み合わせることで、角部に設けられた窓に対して施工することができる。
上記窓枠用化粧材は、上記化粧材が装飾層、非発泡樹脂層及び発泡樹脂層を有し、発泡樹脂層の厚みに対する装飾層と非発泡樹脂層との合計厚みの割合、及び、発泡樹脂層の圧縮弾性率が、それぞれ所定の値に規定されているため、耐水性及び断熱性に優れるとともに、耐荷重性にも優れたものとなり、更に、上記化粧材の一の端部付近に屈曲部を有するため、反りの発生を好適に防止できる。
このような窓枠用化粧材は、上記発泡樹脂層が複数の発泡樹脂の部材から構成されていることが好ましい。具体的には、例えば、図６（ａ）〜（ｅ）に示した構成の場合、上記発泡樹脂層は３つの部材から構成され、図８（ａ）、図８（ｂ）に示した構成の場合、上記発泡樹脂層は３つの部材から構成される。なお、図８は、本発明の化粧材の好ましい一例である窓枠用化粧材の一例を示し、図８（ａ）は、本発明の化粧材の好ましい一例である窓枠用化粧材を組み立てる際に使用する原料積層体の厚み方向の断面図であり、窓枠用化粧材（窓枠）は、発泡樹脂層８１上に非発泡樹脂層８２及び装飾層８３がこの順に積層された本発明の化粧材の一の端部（上記手前側の端部）付近において、発泡樹脂層８１が内側となるように折りたたまれた状態の下側突出部（以下、屈曲部ともいう）が形成されている。
このような窓枠用化粧材は、例えば、図８（ａ）に示したように、装飾層８３に積層された状態の非発泡樹脂層８２に、断面視三角形で溝状の切れ目８６を４か所設け、切れ目８６の外側に発泡樹脂層８１を積層し、該発泡樹脂層８１の厚み分だけ離間させた位置に他の発泡樹脂層８１を積層して原料積層体を作製した後、発泡樹脂層８１が内側となるようにして切れ目８６部分で折り曲げ、発泡樹脂層８１同士を圧着又は接着剤を介して貼り付けることで、図８（ａ）に示したような構造の窓枠用化粧材を得ることができる。
更に、図８（ｂ）に示したように、断面視三角形で溝状の切れ目６６を２か所設け、切れ目６６部分に互いのエッジ部分が配置するよう側面がテーパー状に加工された発泡樹脂層８１（ｂ）、８１（ｃ）を積層した後、発泡樹脂層８１（ｂ）、８１（ｃ）が内側となるようにして切れ目８６部分で折り曲げ、発泡樹脂層８１（ｂ）、８１（ｃ）同士を圧着又は接着剤を介して貼り付けることで、図８（ｂ）に示したような構造の窓枠用化粧材を得ることができる。
また、上述した装飾層３を備えた本発明の化粧材は、耐候性に優れたものとなり、特に本発明の化粧材を窓枠に使用する場合、装飾層の側を表面としてサンシャインウェザー試験４０００時間（後述する試験条件）を行っても、外観変化が軽微であることが好ましい。As for such a decorative material for window frames, an edge tape 71, which is a wood end material, is attached to at least one side surface of the bent portion as in the decorative material for window frames (window frame) 701 shown in FIG. 7 (a). It is preferable that it is worn. Examples of the edge tape include a Panefuri band manufactured by Panefuri Kogyo Co., Ltd., Marblet S, and the like. In addition to this, the decorative layer 3 is attached to the side surface, or the non-foamed resin layer 2 is attached to the side surface, so that the decorative layer 3 (the coating layer) is provided on at least one side surface in the first region. You may. In this case, a group consisting of a coating layer covering at least a part of the surface of the foamed resin layer, and an edge tape, a decorative layer and a coating layer attached to at least one side surface of the foamed resin layer in the first region. It is preferable that at least one of the selected patterns has the same pattern.
Further, the window frame decorative material is provided with a notch 73 on one of the side surfaces to which the edge tape 71 is attached, as in the window frame decorative material (window frame) 701 shown in FIG. 7 (b), for example. Notches 73 may be provided on both sides to which the edge tape 71 is attached, as in the window frame decorative material (window frame) 702 shown in FIG. 7 (c).
The edge tape 71 on the side surface is preferably provided at a position where the notch 73 is not formed.
Further, when the notch 73 is provided on one of the side surfaces to which the edge tape 71 is attached, one of the both side surfaces in the first region A of the foamed resin layer 61 is the first region A in the foamed resin layer 61. It is preferable that the region B excluding the above-mentioned area B has an L-shape in a plan view protruding from one of the two side surfaces, and when notches 73 are provided on both sides to which the edge tape 71 is attached, the foamed resin is described above. It is preferable that both side surfaces in the first region A of the layer 61 project from both side surfaces in the region B excluding the first region A in the foamed resin layer 61 and have a T-shape in a plan view.
Further, in the present invention, the foamed resin layer may have a plan view trapezoidal shape as shown in FIG. The foamed resin layer 110 shown in FIG. 11 can be applied to a window provided at a corner, for example, by combining short sides.
In the window frame decorative material, the decorative material has a decorative layer, a non-foamed resin layer, and a foamed resin layer, and the ratio of the total thickness of the decorative layer and the non-foamed resin layer to the thickness of the foamed resin layer, and foaming. Since the compressive elastic modulus of the resin layer is specified to a predetermined value, it is excellent in water resistance and heat insulating property, and also in load resistance, and further, near one end of the decorative material. Since it has a bent portion, it is possible to suitably prevent the occurrence of warpage.
In such a decorative material for a window frame, it is preferable that the foamed resin layer is composed of a plurality of foamed resin members. Specifically, for example, in the case of the configurations shown in FIGS. 6 (a) to 6 (e), the foamed resin layer is composed of three members, and the configurations shown in FIGS. 8 (a) and 8 (b). In the case of, the foamed resin layer is composed of three members. Note that FIG. 8 shows an example of a decorative material for a window frame which is a preferable example of the decorative material of the present invention, and FIG. 8A shows an example of a decorative material for a window frame which is a preferable example of the decorative material of the present invention. It is a cross-sectional view in the thickness direction of the raw material laminate used in this case, and the decorative material (window frame) for a window frame is the present invention in which a non-foamed resin layer 82 and a decorative layer 83 are laminated in this order on a foamed resin layer 81. A lower protruding portion (hereinafter, also referred to as a bent portion) in a folded state so that the foamed resin layer 81 is inside is formed in the vicinity of one end portion (the end portion on the front side thereof) of the decorative material. There is.
In such a decorative material for a window frame, for example, as shown in FIG. 8A, a groove-shaped cut 86 having a triangular cross section is formed in a non-foamed resin layer 82 laminated on a decorative layer 83. A foamed resin layer 81 is laminated on the outside of the cut 86, and another foamed resin layer 81 is laminated at a position separated by the thickness of the foamed resin layer 81 to prepare a raw material laminate, and then foamed. The resin layer 81 is bent at the cut 86 portion so as to be on the inside, and the foamed resin layers 81 are bonded to each other via pressure bonding or an adhesive to form a window frame cosmetic having a structure as shown in FIG. 8 (a). The material can be obtained.
Further, as shown in FIG. 8B, a foamed resin having two groove-shaped cuts 66 having a triangular cross-sectional view and having the side surfaces tapered so that the edges of the cuts 66 are arranged at the cuts 66. After laminating the layers 81 (b) and 81 (c), the foamed resin layers 81 (b) and 81 (c) are bent at the cut 86 portion so that the foamed resin layers 81 (b) and 81 (c) are on the inside, and the foamed resin layers 81 (b) and 81 (c) are formed. c) By crimping or sticking each other via an adhesive, a decorative material for a window frame having a structure as shown in FIG. 8 (b) can be obtained.
Further, the decorative material of the present invention provided with the decorative layer 3 described above has excellent weather resistance, and particularly when the decorative material of the present invention is used for a window frame, the sunshine weather test 4000 with the decorative layer side as the surface. It is preferable that the change in appearance is slight even after a certain period of time (test conditions described later).

〔化粧材の製造方法〕
本発明の化粧材は、例えば、以下の工程を経て製造することができる。[Manufacturing method of decorative material]
The decorative material of the present invention can be produced, for example, through the following steps.

（発泡樹脂層の準備工程）
まず、上記発泡樹脂層を準備する。
上記発泡樹脂層は、上述した通り、ビーズ法、あるいは発泡樹脂層形成用樹脂組成物を用いたＴダイによる押出製膜法やカレンダー製膜法などの成膜法により、好ましくは発泡倍率５倍以上２０倍以下で発泡させて、圧縮弾性率が１５ＭＰａ以上となるように作製する。
上記発泡樹脂層の発泡倍率や圧縮弾性率は、発泡させる際の発泡温度、樹脂の種類、発泡剤及び可塑剤の使用量などにより適宜調整することが可能である。(Preparation process of foamed resin layer)
First, the foamed resin layer is prepared.
As described above, the foamed resin layer is preferably formed by a film forming method such as a bead method or a T-die extrusion film forming method or a calendar film forming method using a resin composition for forming a foamed resin layer, and the foaming magnification is preferably 5 times. It is foamed at a ratio of 20 times or more so that the compressive elastic modulus is 15 MPa or more.
The foaming ratio and compressive elastic modulus of the foamed resin layer can be appropriately adjusted depending on the foaming temperature at the time of foaming, the type of resin, the amount of the foaming agent and the plasticizer used, and the like.

（非発泡樹脂層の準備工程）
次に、上記発泡樹脂層を準備する。
上記非発泡樹脂層は、Ｔダイによる押出製膜法やカレンダー製膜法などの製膜法により製膜し、引張弾性率が１８０ＭＰａ以上となるように作製する。
上記非発泡樹脂層の引張弾性率は、樹脂の種類、無機化合物の種類や使用量などにより適宜調整することが可能である。(Preparation process for non-foamed resin layer)
Next, the foamed resin layer is prepared.
The non-foamed resin layer is formed by a film forming method such as an extrusion film forming method using a T die or a calendar film forming method, and is produced so that the tensile elastic modulus is 180 MPa or more.
The tensile elastic modulus of the non-foamed resin layer can be appropriately adjusted depending on the type of resin, the type of inorganic compound, the amount used, and the like.

（装飾層の形成工程）
上記非発泡樹脂層、または必要に応じて設けられるベース樹脂層上に、インキ組成物を用いて、装飾層を形成する。インキ組成物は、例えば、グラビア印刷、オフセット印刷、スクリーン印刷、フレキソ印刷、インクジェット印刷などの方法により塗布すればよい。また、隠蔽層（ベタ印刷層）を形成する場合には、例えば、グラビアコート、バーコート、ロールコート、リバースロールコート、コンマコートなどの各種コーティング法などにより形成すればよい。(Formation process of decorative layer)
A decorative layer is formed on the non-foamed resin layer or a base resin layer provided as needed using the ink composition. The ink composition may be applied by, for example, gravure printing, offset printing, screen printing, flexographic printing, inkjet printing, or the like. When forming a concealing layer (solid printing layer), for example, it may be formed by various coating methods such as gravure coating, bar coating, roll coating, reverse roll coating, and comma coating.

（透明樹脂層の積層工程）
上記透明樹脂層は、上記装飾層を形成した後、必要に応じて接着剤層を介して形成することが好ましい。上記接着剤層は、例えば、グラビアコート、バーコート、ロールコート、リバースロールコート、コンマコートなどの各種コーティング法、Ｔダイによる押出製膜法などにより形成すればよい。そして上記透明性樹脂はＴダイによる押出製膜法で製膜と同時に積層させる方法、Ｔダイによる押出製膜法やカレンダー製膜法などの製膜法により予め製膜したものをドライラミネーション法や熱ラミネーション法により積層させる方法などにより形成すればよい。(Laminating process of transparent resin layer)
After forming the decorative layer, the transparent resin layer is preferably formed via an adhesive layer, if necessary. The adhesive layer may be formed by, for example, various coating methods such as gravure coating, bar coating, roll coating, reverse roll coating, and comma coating, and an extrusion film forming method using a T-die. The transparent resin is laminated at the same time as the film formation by the extrusion film formation method using the T die, and the transparent resin is preliminarily formed by the film formation method such as the extrusion film formation method using the T die or the calendar film formation method, and the dry lamination method or the like. It may be formed by a method of laminating by a thermal lamination method or the like.

（表面保護層の形成工程）
上記表面保護層は、上記の装飾層の形成工程の後、あるいは透明樹脂層を積層する場合は該樹脂層の積層工程の後、装飾層の上、あるいは透明樹脂層の上に、硬化性樹脂組成物を塗布し、硬化後の厚さが３μｍ以上４０μｍ以下程度になるように、グラビアコート、バーコート、ロールコート、リバースロールコート、コンマコート等の公知の方式により塗布して未硬化樹脂層を形成し、次いで該未硬化樹脂層に、熱を加えるか又は電子線、紫外線等の電離放射線を照射して該未硬化樹脂層を硬化させることにより形成することができる。(Process of forming surface protective layer)
The surface protective layer is a curable resin on the decorative layer or on the transparent resin layer after the step of forming the decorative layer or, in the case of laminating the transparent resin layer, after the step of laminating the resin layer. The composition is applied, and the uncured resin layer is applied by a known method such as gravure coat, bar coat, roll coat, reverse roll coat, comma coat, etc. so that the thickness after curing is about 3 μm or more and 40 μm or less. Then, the uncured resin layer can be formed by applying heat or irradiating the uncured resin layer with ionizing radiation such as an electron beam or ultraviolet rays to cure the uncured resin layer.

熱硬化の場合の加熱温度は用いる樹脂に応じて適宜決定される。
また、電離放射線として電子線を用いる場合、その加速電圧については、用いる樹脂や層の厚みに応じて適宜選定し得るが、通常加速電圧７０ｋＶ以上３００ｋＶ以下程度で未硬化樹脂層を硬化させることが好ましい。照射線量は、樹脂層の架橋密度が飽和する量が好ましく、通常５ｋＧｙ以上３００ｋＧｙ以下（０．５Ｍｒａｄ以上３０Ｍｒａｄ以下）、好ましくは１０ｋＧｙ以上５０ｋＧｙ以下（１Ｍｒａｄ以上５Ｍｒａｄ以下）の範囲で選定される。
電子線源としては特に制限はなく、例えば、コックロフトワルトン型、バンデグラフト型、共振変圧器型、絶縁コア変圧器型、あるいは直線型、ダイナミトロン型、高周波型等の各種電子線加速器を用いることができる。
電離放射線として紫外線を用いる場合には、波長１９０ｎｍ以上３８０ｎｍ以下の紫外線を含むものを放射する。
紫外線源としては特に制限はなく、例えば、高圧水銀燈、低圧水銀燈、メタルハライドランプ、カーボンアーク燈等が用いられる。The heating temperature in the case of thermosetting is appropriately determined according to the resin used.
When an electron beam is used as ionizing radiation, the acceleration voltage can be appropriately selected according to the resin to be used and the thickness of the layer, but the uncured resin layer can usually be cured at an acceleration voltage of 70 kV or more and 300 kV or less. preferable. The irradiation dose is preferably an amount at which the crosslink density of the resin layer is saturated, and is usually selected in the range of 5 kGy or more and 300 kGy or less (0.5 Mrad or more and 30 Mrad or less), preferably 10 kGy or more and 50 kGy or less (1 Mrad or more and 5 Mrad or less).
The electron beam source is not particularly limited, and for example, various electron beam accelerators such as cockloft Walton type, Van de Graaff type, resonance transformer type, insulated core transformer type, linear type, dynamistron type, and high frequency type are used. be able to.
When ultraviolet rays are used as ionizing radiation, those containing ultraviolet rays having a wavelength of 190 nm or more and 380 nm or less are emitted.
The ultraviolet source is not particularly limited, and for example, a high-pressure mercury lamp, a low-pressure mercury lamp, a metal halide lamp, a carbon arc lamp, or the like is used.

（非発泡樹脂層と装飾層との貼着工程）
装飾層が化粧シートである場合、上記非発泡樹脂層と前記装飾層との貼着は、例えば、感熱接着剤、感圧接着剤のほか、ホットメルト接着剤などを用いて行うことができる。ホットメルト接着剤としては、例えばウレタン系反応型ホットメルト（以下、「ＰＵＲ系接着剤」という。）などの反応型ホットメルト接着剤が好ましく挙げられる。このＰＵＲ系接着剤は、成分の中に水分と反応する官能基（イソシアネート基）を含んでおり、冷却硬化後、基板や化粧シートに付着している水分やそれらを通して与えられる水分と反応する。
反応後は、加熱をしても溶融せず、高い接着強度を有するという特徴を有するものである。(Attachment process between non-foamed resin layer and decorative layer)
When the decorative layer is a decorative sheet, the non-foamed resin layer and the decorative layer can be attached to each other by using, for example, a heat-sensitive adhesive, a pressure-sensitive adhesive, or a hot melt adhesive. As the hot melt adhesive, for example, a reactive hot melt adhesive such as a urethane-based reactive hot melt (hereinafter, referred to as "PUR-based adhesive") is preferably used. This PUR-based adhesive contains a functional group (isocyanate group) that reacts with moisture in its components, and after cooling and curing, reacts with the moisture adhering to the substrate or the decorative sheet and the moisture given through them.
After the reaction, it does not melt even when heated and has a characteristic of having high adhesive strength.

（発泡樹脂層と非発泡樹脂層との貼着工程）
上記発泡樹脂層の準備工程で得られた発泡樹脂層と、装飾層を形成した非発泡樹脂層との貼着は、上記非発泡樹脂層と装飾層との貼着工程で示した接着剤を用いることができる。(Attachment process of foamed resin layer and non-foamed resin layer)
The foamed resin layer obtained in the preparation step of the foamed resin layer and the non-foamed resin layer forming the decorative layer are attached by using the adhesive shown in the bonding step between the non-foamed resin layer and the decorative layer. Can be used.

本発明の化粧材の好ましい一例である窓枠用化粧材は、上記化粧材が装飾層、非発泡樹脂層及び発泡樹脂層を有し、発泡樹脂層の厚みに対する装飾層と非発泡樹脂層の合計厚みの割合、及び、発泡樹脂層の圧縮弾性率が、それぞれ所定の値に規定されているため、耐水性及び断熱性に優れるとともに、耐荷重性にも優れたものとなる。
図９（ａ）は、本発明の化粧材の好ましい一例である窓枠用化粧材が建物の窓に施工された一例を示す断面図であり、図９（ｂ）は、本発明の化粧材の好ましい一例である窓枠用化粧材が建物の窓に施工された一例を示す平面図であり、図９（ｃ）は、本発明の化粧材の好ましい一例である窓枠用化粧材が建物の窓に施工された一例を示す斜視図である。
すなわち、本発明の好ましい一例である窓枠用化粧材９０は、通常、建物の外壁面９１に設けられた窓９３の下部の室内側にモルタル等の接着部９２を介して施工される。
このような本発明の好ましい一例である窓枠用化粧材が施工される建物の窓としては特に限定されないが、例えば、出窓台を含む窓枠が好適に挙げられる。
また、本発明の好ましい一例である窓枠用化粧材は、窓枠の少なくとも一部に用いられるが、例えば、四角い窓枠である場合、該窓枠の四辺のいずれか一部又は全部に本発明の好ましい一例である窓枠用化粧材が施工されている。なかでも、窓枠の下辺に好適に施工することができる。In the window frame decorative material which is a preferable example of the decorative material of the present invention, the decorative material has a decorative layer, a non-foamed resin layer and a foamed resin layer, and the decorative layer and the non-foamed resin layer with respect to the thickness of the foamed resin layer Since the ratio of the total thickness and the compressive elasticity of the foamed resin layer are defined by predetermined values, the water resistance and the heat insulating property are excellent, and the load resistance is also excellent.
FIG. 9 (a) is a cross-sectional view showing an example in which a window frame decorative material, which is a preferable example of the decorative material of the present invention, is applied to a window of a building, and FIG. 9 (b) is a sectional view showing an example of the decorative material of the present invention. 9A is a plan view showing an example in which a decorative material for a window frame, which is a preferable example of the above, is applied to a window of a building, and FIG. 9C shows a decorative material for a window frame, which is a preferable example of the decorative material of the present invention, for a building. It is a perspective view which shows an example which was constructed in the window of.
That is, the window frame decorative material 90, which is a preferable example of the present invention, is usually installed on the indoor side of the lower part of the window 93 provided on the outer wall surface 91 of the building via an adhesive portion 92 such as mortar.
The window of the building to which the decorative material for the window frame, which is a preferable example of the present invention, is applied is not particularly limited, and for example, a window frame including a bay window stand can be preferably mentioned.
Further, the decorative material for a window frame, which is a preferable example of the present invention, is used for at least a part of the window frame. For example, in the case of a square window frame, the present invention covers any part or all of the four sides of the window frame. A decorative material for a window frame, which is a preferable example of the invention, is applied. Above all, it can be suitably installed on the lower side of the window frame.

次に、本発明を実施例により、さらに詳細に説明するが、本発明は、この例によってなんら限定されるものではない。 Next, the present invention will be described in more detail by way of examples, but the present invention is not limited to this example.

（評価及び測定方法）
実施例及び比較例で得られた化粧材について、以下の方法で評価及び測定した。
（耐荷重性の評価）
図１３に示したように、化粧材５１のサンプル表面に接する形状が１辺２ｃｍ角の正方形である金属治具５２を４個置き、４個の金属治具５２に均等に荷重がかかるように下記３条件の重りを乗せ、１週間放置する。その後、重りを取り除いた直後の外観状態を目視で見て合否判定をした。
なお、著しい凹み跡が判別できないと「合格」と判定した。
また、評価が◎であると、床材用途で使用可と判断し、○であると、床材以外の窓枠の用途で使用可と判断し、△であると、軽微な凹み跡は確認できるが、窓枠の用途で使用可と判断し、×であると、床材や窓枠の用途で使用不可と判断した。
条件１：８０ｋｇ荷重（圧力：５ｋｇ／ｃｍ２）
条件２：４８ｋｇ荷重（圧力：３ｋｇ／ｃｍ２）
条件３：１６ｋｇ荷重（圧力：１ｋｇ／ｃｍ２）
◎：条件１で合格
○：条件２で合格
△：条件３で合格
×：条件３でも不合格(Evaluation and measurement method)
The decorative materials obtained in Examples and Comparative Examples were evaluated and measured by the following methods.
(Evaluation of load bearing capacity)
As shown in FIG. 13, four metal jigs 52 having a square shape with a side of 2 cm square in contact with the sample surface of the decorative material 51 are placed so that the load is evenly applied to the four metal jigs 52. Place a weight under the following three conditions and leave it for one week. After that, a pass / fail judgment was made by visually observing the appearance state immediately after removing the weight.
If no significant dent marks could be discriminated, it was judged as "passed".
In addition, if the evaluation is ◎, it is judged that it can be used for flooring, if it is ○, it is judged that it can be used for window frames other than flooring, and if it is △, a slight dent mark is confirmed. However, it was judged that it could be used for window frames, and if it was x, it was judged that it could not be used for flooring or window frames.
Condition 1: 80 kg load (pressure: 5 kg / cm 2 )
Condition 2: 48 kg load (pressure: 3 kg / cm 2 )
Condition 3: 16 kg load (pressure: 1 kg / cm 2 )
⊚: Passed under condition 1 ○: Passed under condition 2 △: Passed under condition 3 ×: Failed under condition 3

（引張弾性率の評価）
＜試験片の作製＞
実施例及び比較例に係る化粧材からの非発泡樹脂層の試験片の切り出しは電動式ノコギリを用いてＪＩＳ Ｋ６７３２（１９９６）に記載されたダンベル型試験片に切り出した。その後に、延伸方向測定の妨げとなる要因（鋸目）をサンドペーパーにて取り除き、試験片を作製した。
＜測定条件＞
測定条件の基本はＪＩＳ Ｋ７１６１−１９９４（ＩＳＯ ５２７−１：１９９３）の記載事項を参考に条件設定した。
すなわち、試験片の寸法測定には０．０１ｍｍまで読み取れるデジタルノギスを用い、幅、厚みの測定を行い、試験片の断面積Ｓｍｍ２を求めた。
試験片は、つかみ具によって長さ方向の両端を固定し測定を実施した。
つかみ具間の距離は、一連の試験途中に変更するものではないが、上記のように試験片の端部をつかみ具によって掴ませ、その掴ませたつかみ具間の距離を上記デジタルノギスで測定し、初期長さＬ０＝８０ｍｍ±１％とした。その際の装置検出応力が±１ＭＰａの範囲を超える場合には試験片の掴み直しを行った。
引張応力は、同ＪＩＳ規格の計算方法を踏襲し、初期断面積を基に計算される単位面積あたりの引張り力をＭＰａ単位で扱う。
引張弾性率の測定は、同ＪＩＳ規格に準じ、引張ひずみ値（伸び）ε１＝０．１０％からε２＝０．２５％に対応する応力（荷重）の差△ｐ（σ１−σ２）をひずみの差△Ｅ（ε１−ε２）で除して引張弾性率Ｅを算出した。なお、図５に試験片に対する荷重（Ｎ）と伸び（％）との関係を示した弾性率チャートの一例を示した。
引張速度は、同ＪＩＳ規格に準拠する測定装置を用い、今回の測定は、５０ｍｍ／ｍｉｎの設定で測定した。
初荷重点≧０．３Ｎとし、試験開始点ではなく、初荷重点を演算の始点とした。
なお、試験は、Ａ＆Ｄ社製テンシロンＲＴＣ−１３１０Ａを用いた測定を５回実施し、引張弾性率の最大値、及び最小値を除外し、３点の平均値を記した。(Evaluation of tensile elastic modulus)
<Preparation of test piece>
The test piece of the non-foamed resin layer from the decorative materials according to Examples and Comparative Examples was cut out into a dumbbell type test piece described in JIS K6732 (1996) using an electric saw. After that, a factor (saw) that hinders the measurement of the stretching direction was removed with sandpaper to prepare a test piece.
<Measurement conditions>
The basic measurement conditions were set with reference to the items described in JIS K716-11994 (ISO 527-1: 1993).
That is, a digital caliper capable of reading up to 0.01 mm was used to measure the dimensions of the test piece, and the width and thickness were measured to determine the cross-sectional area Smm 2 of the test piece.
The test piece was measured by fixing both ends in the length direction with a gripper.
The distance between the gripping tools is not changed during a series of tests, but as described above, the end of the test piece is gripped by the gripping tool, and the distance between the gripped gripping tools is measured with the above digital caliper. The initial length L0 = 80 mm ± 1%. When the device detection stress at that time exceeded the range of ± 1 MPa, the test piece was re-grasped.
The tensile stress follows the calculation method of the JIS standard, and the tensile force per unit area calculated based on the initial cross-sectional area is handled in MPa units.
The tensile elastic modulus is measured according to the JIS standard, and the stress (load) difference Δp (σ1-σ2) corresponding to the tensile strain value (elongation) ε1 = 0.10% to ε2 = 0.25% is strained. The tensile elastic modulus E was calculated by dividing by the difference ΔE (ε1-ε2). FIG. 5 shows an example of an elastic modulus chart showing the relationship between the load (N) and the elongation (%) on the test piece.
The tensile speed was measured using a measuring device conforming to the JIS standard, and this measurement was performed at a setting of 50 mm / min.
The initial load point was set to ≥ 0.3N, and the initial load point was used as the start point of the calculation instead of the test start point.
In the test, the measurement using Tencilon RTC-1310A manufactured by A & D Co., Ltd. was carried out 5 times, the maximum value and the minimum value of the tensile elastic modulus were excluded, and the average value of 3 points was recorded.

（線膨張係数の評価）
化粧材の各層から縦１４５ｍｍ、横３００ｍｍの直方体状の試験片を切り出し、恒温槽（エスペック社製ビルドインチャンバー ＴＢＬ−６Ｅ２０Ｗ０Ｐ２Ｔ）を用いて０℃及び４０℃に試験片温度を安定させた際の試験片の幅、長さに対し、中央及び端部から５０ｍｍ中央側に入った箇所の計３箇所の寸法を、０．０１ｍｍまで読み取れるデジタルノギスを用いて測定する。
各温度、各箇所にて得られた長さ寸法から寸法変化量を算出し、０℃での寸法値で除した値を寸法変化率：△Ｌとする。
上記で得られた△Ｌを、温度変化量：△Ｔで除することで各測定箇所における線膨張係数が得られ、長さ３箇所における線膨張係数の平均値を線膨張係数とする。(Evaluation of coefficient of linear expansion)
A rectangular parallelepiped test piece with a length of 145 mm and a width of 300 mm is cut out from each layer of the decorative material, and a test is performed when the test piece temperature is stabilized at 0 ° C. and 40 ° C. using a constant temperature bath (built-in chamber TBL-6E20W0P2T manufactured by Espec). With respect to the width and length of the piece, the dimensions of a total of three points, which are 50 mm from the center and the end, are measured using a digital caliper that can read up to 0.01 mm.
The amount of dimensional change is calculated from the length dimensions obtained at each temperature and each location, and the value divided by the dimensional value at 0 ° C. is defined as the dimensional change rate: ΔL.
The coefficient of linear expansion at each measurement point is obtained by dividing ΔL obtained above by the amount of temperature change: ΔT, and the average value of the coefficient of linear expansion at three points of length is taken as the coefficient of linear expansion.

（形状安定性の評価（反りの評価））
図１２（ａ）、図１２（ｂ）に示したように窓枠用化粧材６０及び化粧材５０ａ〜ｄを、モルタル上にウレタン系接着剤５５を３００ｍｍピッチで塗布し、モルタル上に施工（１週間養生）した。窓枠に使用する場合（図１２（ａ））と、床（フロア）に使用する場合（化粧材５０ａ〜ｄの４枚施工、図１２（ｂ））とでそれぞれ以下の基準を規定し、それぞれ評価をした。なお、反りは長さ方向に３００ｍｍ当たりの反り量であり、反りが＋（プラス）の数値は山状態（凸状）の反りであり、−（マイナス）の数値は谷状（凹状）の反りである。そして山状態の反りは図１４（ａ）及び１５（ａ）に示したように、長さ３００ｍｍの金属製四角柱状治具６５を試験体（窓枠用化粧材６０）に置き、両端に開いた隙間量ｒ１及びｒ２を測定し、その平均値である。谷状態の反りは図１４（ｂ）及び１５（ｂ）に示したように、山状態の反りと同様に上記治具６５と試験体（化粧材５０ｃ）との間にできた隙間量ｒ３の最大値である。なお、図１４（ａ）は、本発明に係る窓枠用化粧材の反りの評価方法を説明する図であり、図１４（ｂ）は、本発明に係る化粧材の反りの評価方法を説明する図であり、図１５（ａ）は、山状態（凸状）の反りの量の測定方法を示す断面図であり、図１５（ｂ）は、谷状態（凹状）の反りの量の測定方法を示す断面図である。
＜窓枠基準＞
５℃×３日間の環境下に放置後、６０℃×３日間の環境下に放置し、各条件終了時の幅反り量を、以下の基準で評価した。試験体は、図６（ａ）、（ｂ）に示した窓枠用化粧材６０を用いた。なお窓枠用化粧材６０を平面視したときの寸法は、４５０ｍｍ幅９００ｍｍ長さである。
○：±０．６ｍｍ以下
△：０．６ｍｍ超え、１ｍｍ以下、若しくは、−０．６ｍｍ未満−１ｍｍ以上
×：±１ｍｍ超え
＜フロア基準＞
５℃×３日間の環境下に放置後、４０℃×３日間の環境下に放置し、各条件終了時の幅反り量を、以下の基準で評価した。なお化粧材５０を平面視したときの寸法は、幅４５０ｍｍ、長さ９００ｍｍサイズであり、それを図１２（ｂ）のように４枚並べて施工し、図１４（ｂ）のように反りはその１枚を選択して測定した。
○：±０．６ｍｍ以下
△：０．６ｍｍ超え、１ｍｍ以下、若しくは、−０．６ｍｍ未満、−１ｍｍ以上
×：±１ｍｍ超え
＜総合評価＞
総合評価として、以下の基準で評価した。
◎：窓枠基準○
○：窓枠基準△かつフロア基準○
△：フロア基準△
×：フロア基準×(Evaluation of shape stability (evaluation of warpage))
As shown in FIGS. 12 (a) and 12 (b), the window frame decorative material 60 and the decorative materials 50a to 50a are applied on the mortar with the urethane adhesive 55 at a pitch of 300 mm and applied on the mortar ( Cured for 1 week). The following criteria are stipulated for the case of using it for a window frame (Fig. 12 (a)) and the case of using it for a floor (floor) (4 sheets of decorative materials 50a to d, Fig. 12 (b)). Each was evaluated. The warp is the amount of warp per 300 mm in the length direction, the value of + (plus) is the warp of the mountain state (convex), and the value of-(minus) is the warp of the valley (concave). Is. Then, as shown in FIGS. 14 (a) and 15 (a), a metal square columnar jig 65 having a length of 300 mm is placed on a test body (decorative material 60 for a window frame) to open the warp in a mountain state at both ends. The gap amounts r1 and r2 are measured and are average values thereof. As shown in FIGS. 14 (b) and 15 (b), the warp in the valley state is the same as the warp in the mountain state, with the amount of gap r3 formed between the jig 65 and the test piece (decorative material 50c). The maximum value. Note that FIG. 14A is a diagram illustrating a method for evaluating the warp of the decorative material for a window frame according to the present invention, and FIG. 14B is a diagram for explaining a method for evaluating the warp of the decorative material according to the present invention. FIG. 15A is a cross-sectional view showing a method for measuring the amount of warpage in a mountain state (convex shape), and FIG. 15B is a measurement of the amount of warpage in a valley state (concave shape). It is sectional drawing which shows the method.
<Window frame standard>
After being left in an environment of 5 ° C. for 3 days, it was left in an environment of 60 ° C. for 3 days, and the amount of width warp at the end of each condition was evaluated according to the following criteria. As the test body, the decorative material 60 for the window frame shown in FIGS. 6 (a) and 6 (b) was used. The dimensions of the window frame decorative material 60 when viewed in a plan view are 450 mm in width and 900 mm in length.
◯: ± 0.6 mm or less Δ: 0.6 mm or more, 1 mm or less, or less than -0.6 mm -1 mm or more ×: ± 1 mm or more <Floor standard>
After being left in an environment of 5 ° C. for 3 days, it was left in an environment of 40 ° C. for 3 days, and the amount of width warp at the end of each condition was evaluated according to the following criteria. The dimensions of the decorative material 50 when viewed in a plan view are 450 mm in width and 900 mm in length, and four of them are arranged side by side as shown in FIG. 12 (b), and the warp is as shown in FIG. 14 (b). One sheet was selected and measured.
◯: ± 0.6 mm or less Δ: 0.6 mm or more, 1 mm or less, or less than -0.6 mm, -1 mm or more ×: ± 1 mm or more <Comprehensive evaluation>
The overall evaluation was based on the following criteria.
◎: Window frame standard ○
○: Window frame standard △ and floor standard ○
△: Floor standard △
×: Floor standard ×

（耐候試験）
サンシャインウェザーメーター：ＷＥＬ−３００（スガ試験機社製）を用いて、下記条件で装飾層の側からサンシャインカーボンアーク光を照射し、４０００時間の試験を行った際の外観状態を目視で評価した。試験条件は以下のステップ１の次にステップ２を行う１サイクルを２時間とし、１サイクル後は２サイクル目のステップ１という風に繰り返し２０００回試験を行い、以下の基準を規定して評価をした。なおステップ１とステップ２の両ステップを通してサンシャインカーボンアーク光を照射している。
○：目視上で変化がほとんど認識できないレベル
△：変化は認識できるが、軽微なレベル
×：あきらかに変化が確認できるレベル
−：未試験
＜ステップ１＞
ブラックパネル温度：６３℃、湿度：５０％
運転時間：１時間４２分
＜ステップ２＞
槽内温度：４０℃、湿度：９０％
運転時間：１８分(Weather resistance test)
Sunshine weather meter: WEL-300 (manufactured by Suga Test Instruments Co., Ltd.) was used to irradiate sunshine carbon arc light from the side of the decorative layer under the following conditions, and the appearance state when the test was performed for 4000 hours was visually evaluated. .. As for the test conditions, one cycle in which step 2 is performed after step 1 below is set to 2 hours, and after one cycle, the test is repeated 2000 times in the manner of step 1 of the second cycle, and the evaluation is performed by defining the following criteria. bottom. The sunshine carbon arc light is irradiated through both steps 1 and 2.
◯: Level at which changes can hardly be recognized visually Δ: Level at which changes can be recognized but minor ×: Level at which changes can be clearly confirmed-: Not tested <Step 1>
Black panel temperature: 63 ° C, humidity: 50%
Operating time: 1 hour 42 minutes <Step 2>
Tank temperature: 40 ° C, humidity: 90%
Driving time: 18 minutes

（実施例１）
着色ポリプロピレン樹脂フィルム（厚さ；６０μｍ、色；白系）に、グラビア印刷でインキ組成物（アクリルウレタン系）を用いて厚さ２μｍの石目柄の模様層を形成した。
次いで、ウレタン系ドライラミネート用接着剤を用いて厚さ２μｍの接着剤層を形成し、該模様層の上に透明ポリプロピレン樹脂フィルム（厚さ；８０μｍ）をドライラミネートして設けた。
該透明ポリプロピレン樹脂フィルム上に、２液硬化型ウレタン樹脂を用いて厚さ１μｍのプライマー層を形成した。そして、該プライマー層上に電子線硬化性樹脂組成物（アクリレート系）をグラビア印刷によって塗布量１５ｇ／ｍ２で塗布して塗膜を形成し、電子線を照射して該塗膜を架橋硬化させ、表面保護層（厚さ：１５μｍ）を形成して、化粧シート（厚さ；１６０μｍ）を作製し、装飾層とした。
次に、非発泡樹脂層としてタルクを２０質量％含むＡＢＳ樹脂シート（引張弾性率；２４００ＭＰａ、厚さ；２ｍｍ）を用意して、上記化粧シートの着色ポリプロピレン樹脂フィルム（ベース樹脂層）と対向するように、該非発泡樹脂層と該化粧シートとを、ウレタン系ドライラミネート用接着剤を介してドライラミネートにて貼着した。
次に、発泡樹脂層としてＥＰＳ樹脂（発泡剤；ブタン（ポリスチレン樹脂１００質量部に対して７質量部）、可塑剤；流動パラフィン（ポリスチレン樹脂１００質量部に対して０．１５質量部））を用いてビーズ法により作製した発泡樹脂層（発泡倍率；１０倍、圧縮弾性率；４３ＭＰａ、厚さ；９ｍｍ）を用意し、上記の化粧シートを貼着した非発泡樹脂層と発泡樹脂層とを、ＰＵＲ系接着剤を用いて貼着し、化粧材を作製した。
得られた化粧材を評価した結果を表１に示す。(Example 1)
A stone pattern layer having a thickness of 2 μm was formed on a colored polypropylene resin film (thickness: 60 μm, color: white) using an ink composition (acrylic urethane) by gravure printing.
Next, an adhesive layer having a thickness of 2 μm was formed using a urethane-based dry laminating adhesive, and a transparent polypropylene resin film (thickness: 80 μm) was dry-laminated on the pattern layer.
A primer layer having a thickness of 1 μm was formed on the transparent polypropylene resin film using a two-component curable urethane resin. Then, an electron beam-curable resin composition (acrylate-based) is applied onto the primer layer at a coating amount of 15 g / m 2 by gravure printing to form a coating film, and the coating film is cross-linked and cured by irradiating with an electron beam. A surface protective layer (thickness: 15 μm) was formed to prepare a decorative sheet (thickness: 160 μm), which was used as a decorative layer.
Next, an ABS resin sheet (tensile elasticity; 2400 MPa, thickness; 2 mm) containing 20% by mass of talc is prepared as the non-foamed resin layer, and faces the colored polypropylene resin film (base resin layer) of the decorative sheet. As described above, the non-foamed resin layer and the decorative sheet were attached by dry laminating via a urethane-based dry laminating adhesive.
Next, EPS resin (foaming agent; butane (7 parts by mass with respect to 100 parts by mass of polystyrene resin), plasticizer; liquid paraffin (0.15 parts by mass with respect to 100 parts by mass of polystyrene resin)) was used as the foamed resin layer. A foamed resin layer (foaming ratio; 10 times, polystyrene elastic coefficient; 43 MPa, thickness; 9 mm) prepared by the bead method was prepared, and the non-foamed resin layer and the foamed resin layer to which the above-mentioned decorative sheet was attached were attached. , PUR-based adhesive was used for sticking to prepare a decorative material.
Table 1 shows the results of evaluating the obtained decorative materials.

実施例２〜８、及び、比較例１〜３
表１に示す発泡樹脂層、非発泡樹脂層に代えた以外は、実施例１と同様にして化粧材を作製した。
得られた化粧材を評価した結果を表１に示す。Examples 2 to 8 and Comparative Examples 1 to 3
A decorative material was produced in the same manner as in Example 1 except that the foamed resin layer and the non-foamed resin layer shown in Table 1 were replaced.
Table 1 shows the results of evaluating the obtained decorative materials.

Figure 0006944934
Figure 0006944934

表１中、実施例２及び比較例１に係るＰＶＣは、ガラス繊維樹脂を添加し、線膨張係数を５×１０−５／℃に軽減させた塩化ビニルシートであり（実施例２は厚み４ｍｍ、比較例１は厚み５ｍｍ）、実施例３及び４に係るＰＰは、タルクを４５質量％含むポリプロピレン樹脂シートであり、実施例５及び６及び比較例２に係るＰＥは、タルクを２０質量％含むＰＥ樹脂シートであり、比較例３に係るＰＰは、タルク等の無機化合物含有量が１０質量％未満のポリプロピレン樹脂シートである。
実施例及び比較例に係る化粧材を用いて図６（ａ）に示した構造の窓枠用化粧材を製造したところ、いずれの化粧材も非木質材からなるため、木質材からなる従来の化粧材よりも耐水性及び断熱性に優れていた。また、実施例及び比較例１、２に係る化粧材では、特に反りの発生を好適に防止できたが、比較例３に係る化粧材を用いた窓枠用化粧材は、大きな反りが発生した。
また、実施例１に係る化粧材は、耐候性試験に優れていた。In Table 1, the PVC according to Example 2 and Comparative Example 1 is a vinyl chloride sheet obtained by adding a glass fiber resin to reduce the linear expansion coefficient to 5 × 10-5 / ° C. (Example 2 has a thickness of 4 mm). , Comparative Example 1 has a thickness of 5 mm), PP according to Examples 3 and 4 is a polypropylene resin sheet containing 45% by mass of talc, and PE according to Examples 5 and 6 and Comparative Example 2 contains 20% by mass of talc. The PE resin sheet containing the PP, and the PP according to Comparative Example 3, is a polypropylene resin sheet having an inorganic compound content such as talc of less than 10% by mass.
When the decorative material for the window frame having the structure shown in FIG. 6 (a) was manufactured using the decorative materials according to Examples and Comparative Examples, since all the decorative materials were made of non-wood material, the conventional one made of wood material was used. It was superior in water resistance and heat insulation to decorative materials. Further, the decorative materials according to Examples and Comparative Examples 1 and 2 were able to prevent the occurrence of warpage particularly preferably, but the decorative materials for window frames using the decorative materials according to Comparative Example 3 generated a large warp. ..
Further, the decorative material according to Example 1 was excellent in the weather resistance test.

本発明によれば、耐水性及び断熱性に優れ、かつ、反りが発生することを抑制できるとともに、耐荷重性にも優れる化粧材を得ることができる。本発明の化粧材は、住居用の床材、とりわけトイレ、洗面、台所などの水廻り用途の床材や、窓枠に好適に用いられる。 According to the present invention, it is possible to obtain a decorative material which is excellent in water resistance and heat insulating property, can suppress the occurrence of warpage, and is also excellent in load resistance. The decorative material of the present invention is suitably used for flooring materials for houses, especially flooring materials for water-related applications such as toilets, washbasins, and kitchens, and window frames.

１、６１、６１（ａ）〜（ｃ）、８１、８１（ｂ）、（ｃ）、１０１、１１０ 発泡樹脂層
２、６２、８２、１０２ 非発泡樹脂層
３、６３、８３、１０３ 装飾層
４ ベース樹脂層
５ 透明樹脂層
６ 表面保護層
７ 接着剤層
８ａ 雄実
８ｂ 雌実
１０、５０ａ〜ｄ、５１ 化粧材
２１ 第１熱可塑性樹脂層
２２ ガラス成分層
２３ 第２熱可塑性樹脂層
３３ 模様層
５２ 金属治具
５５ ウレタン系接着剤
６０、７０１、７０２、９０ 窓枠用化粧材
６４、６６、８６、１０６、１０６’ 切れ目
６５ 屈曲部
６７、１０７、１０７’ 切り取り部
７１ エッジテープ
７３ 切り欠き
９１ 外壁面
９２ 接着部
９３ ガラス窓
ｒ１〜ｒ３ 隙間量1, 61, 61 (a) to (c), 81, 81 (b), (c), 101, 110 Foamed resin layer 2, 62, 82, 102 Non-foamed resin layer 3, 63, 83, 103 Decorative layer 4 Base resin layer 5 Transparent resin layer
6 Surface protection layer 7 Adhesive layer 8a Male 8b Female 10, 50a to d, 51 Decorative material 21 First thermoplastic resin layer 22 Glass component layer 23 Second thermoplastic resin layer 33 Pattern layer 52 Metal jig 55 Urethane Adhesives 60, 701, 702, 90 Decorative materials for window frames 64, 66, 86, 106, 106'Cut 65 Bent 67, 107, 107' Cutout 71 Edge tape 73 Cutout 91 Outer wall surface 92 Adhesive 93 Glass window r1 to r3 Gap amount

Claims (4)

装飾層、非発泡樹脂層及び発泡樹脂層を有する化粧材であって、
前記装飾層と前記非発泡樹脂層との厚みの合計が、前記発泡樹脂層の厚みに対して５０％以下であり、
前記発泡樹脂層の圧縮弾性率が１５ＭＰａ以上であり、
前記非発泡樹脂層が無機化合物を含み、前記無機化合物は、タルク、炭酸カルシウム、シリカ又はマイカであり、
前記無機化合物の含有量が、前記非発泡樹脂層の樹脂成分１００質量部に対して１０質量部以上７０質量部以下であり、
前記非発泡樹脂層及び前記発泡樹脂層の線膨張係数がいずれも８×１０−５／℃以下で、かつ、前記非発泡樹脂層及び前記発泡樹脂層の線膨張係数の差が３×１０−５／℃以内である
ことを特徴とする化粧材。 A decorative material having a decorative layer, a non-foamed resin layer, and a foamed resin layer.
The total thickness of the decorative layer and the non-foamed resin layer is 50% or less of the thickness of the foamed resin layer.
The compression elastic modulus of the foamed resin layer is 15 MPa or more, and the foamed resin layer has a compressive elastic modulus of 15 MPa or more.
The non-foaming resin layer contains an inorganic compound, and the inorganic compound is talc, calcium carbonate, silica or mica.
The content of the inorganic compound is 10 parts by mass or more and 70 parts by mass or less with respect to 100 parts by mass of the resin component of the non-foamed resin layer.
The linear expansion coefficients of the non-foamed resin layer and the foamed resin layer are both 8 × 10-5 / ° C. or less, and the difference between the linear expansion coefficients of the non-foamed resin layer and the foamed resin layer is 3 × 10 −. A decorative material characterized by being within 5 / ° C. 前記非発泡樹脂層の引張弾性率が１８０ＭＰａ以上である請求項１記載の化粧材。 The decorative material according to claim 1, wherein the non-foamed resin layer has a tensile elastic modulus of 180 MPa or more. 前記非発泡樹脂層は、無機化合物を含有する請求項１又は２記載の化粧材。 The decorative material according to claim 1 or 2, wherein the non-foaming resin layer contains an inorganic compound. 前記化粧材の厚みが５ｍｍ以上である請求項１、２又は３記載の化粧材。
The decorative material according to claim 1, 2 or 3, wherein the thickness of the decorative material is 5 mm or more.
JP2018524018A 2016-06-15 2017-06-15 Cosmetic material Active JP6944934B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2016119405 2016-06-15
JP2016119405 2016-06-15
JP2017051786 2017-03-16
JP2017051786 2017-03-16
PCT/JP2017/022227 WO2017217518A1 (en) 2016-06-15 2017-06-15 Decorative member

Publications (2)

Publication Number Publication Date
JPWO2017217518A1 JPWO2017217518A1 (en) 2019-04-11
JP6944934B2 true JP6944934B2 (en) 2021-10-06

Family

ID=60664022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018524018A Active JP6944934B2 (en) 2016-06-15 2017-06-15 Cosmetic material

Country Status (4)

Country Link
JP (1) JP6944934B2 (en)
KR (1) KR102372256B1 (en)
CN (2) CN207291179U (en)
WO (1) WO2017217518A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7383228B2 (en) * 2019-11-01 2023-11-20 Ｔｏｐｐａｎホールディングス株式会社 Resin-impregnated decorative paper and resin-impregnated decorative board

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4222584B2 (en) 1999-08-10 2009-02-12 株式会社ジェイエスピー Multi-layer polystyrene resin foam
JP3642994B2 (en) 1999-10-29 2005-04-27 大日本印刷株式会社 Decorative material for flooring and method for producing the same
WO2001058687A1 (en) * 2000-02-10 2001-08-16 Sekisui Chemical Co., Ltd. Polyolefin resin composite laminate
JP3429749B2 (en) 2000-02-10 2003-07-22 積水化学工業株式会社 Tatami mat core made of polyolefin resin composite foam and thin tatami mat using the same
JP4480110B2 (en) 2000-06-14 2010-06-16 大日本印刷株式会社 Decorative sheet
JP4108994B2 (en) 2002-03-15 2008-06-25 大日本印刷株式会社 Columnar foamed resin molded product
JP2005314901A (en) * 2004-04-27 2005-11-10 Mitsubishi Kagaku Sanshi Corp Thin floor heating floor material, and floor heating structure
JP4998044B2 (en) 2007-03-28 2012-08-15 大日本印刷株式会社 Decorative sheet
JP5568932B2 (en) 2008-09-30 2014-08-13 大日本印刷株式会社 Flooring decorative sheet and flooring decorative material
US20150047282A1 (en) 2013-08-13 2015-02-19 Pak-Lite, Inc. Flooring and Underlayment including Extruded Sheet Material with Expanded Microspheres

Also Published As

Publication number Publication date
KR102372256B1 (en) 2022-03-08
KR20190019063A (en) 2019-02-26
CN109195794A (en) 2019-01-11
JPWO2017217518A1 (en) 2019-04-11
CN207291179U (en) 2018-05-01
WO2017217518A1 (en) 2017-12-21

Similar Documents

Publication Publication Date Title
JP6696726B2 (en) Floor cosmetics
JP3772634B2 (en) Decorative sheet
WO2018047361A1 (en) Embossed decorative sheet and method for producing same
JP4998043B2 (en) Veneer
JP4565952B2 (en) Decorative sheet
JP6060765B2 (en) Floor decorative material
JP7116681B2 (en) Decorative material and method for producing decorative material
JP6944934B2 (en) Cosmetic material
JP2010229788A (en) Decorative material for flooring
JPWO2019124383A1 (en) Cosmetic material
JP7010319B2 (en) Floor lumber
JP2016064629A (en) Decorative sheet and method for producing the same, and decorative plate and method for producing the same
JP2007105964A (en) Decorative material for floor
WO2023090319A1 (en) Flooring and method for production of flooring
JPWO2019124387A1 (en) Cosmetic material and manufacturing method of decorative material
JP2017179366A (en) Decorative sheet and manufacturing method of decorative sheet
JP2024064857A (en) Flooring manufacturing method, flooring, and floor structure construction method
JP2010229781A (en) Decorative material for insulating floor
JP2019100155A (en) Floor material
JP2007031978A (en) Decorative material for floor

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200511

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210126

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210326

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20210817

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210913

R150 Certificate of patent or registration of utility model

Ref document number: 6944934

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150