JP2007144655A - Decorative non-combustible material - Google Patents

Decorative non-combustible material Download PDF

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JP2007144655A
JP2007144655A JP2005339075A JP2005339075A JP2007144655A JP 2007144655 A JP2007144655 A JP 2007144655A JP 2005339075 A JP2005339075 A JP 2005339075A JP 2005339075 A JP2005339075 A JP 2005339075A JP 2007144655 A JP2007144655 A JP 2007144655A
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base material
decorative
cosmetic
veneer
incombustible
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JP3840615B1 (en
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Hiroshi Mitsumata
寛 三俣
Osamu Nakahara
修 中原
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Hokusan Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a decorative non-combustible material capable of keeping and enhancing the fireproof capacity originally possessed by a base material and capable of developing stable non-combustibility. <P>SOLUTION: The decorative non-combustible material is constituted by covering the surface of the base material 1, of which the total exothermic quantity during 20 min. test time in the heat build-up test according to ISO5660-1 is 40 MJ/m<SP>2</SP>or below, with a decorative veneer 5. A non-combustible sheet comprising a laminate, which is composed of an aluminum foil 3 and a fibrous sheet, is inserted in the gap between the base material and the decorative veneer to be integrally laminated to the base material and the decorative veneer. The total exothermic quantity of the decorative non-combustible material is set to 8 MJ/m<SP>2</SP>or below. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、ISO5660−1に準拠した発熱性試験において試験時間20分間の総発熱量が40MJ/m2以下である基材を用いれば、該基材上に可燃性の化粧単板を貼付し
た際にも、基材が本来有していた防火性能を維持・向上させ、結果として安定した不燃性(前記発熱性試験において試験時間20分間の総発熱量が8MJ/m2以下)を呈しうる
化粧不燃材に関する。
詳細には、ISO5660−1に準拠した発熱性試験において試験時間20分間の総発熱量が40MJ/m2以下である基材と化粧単板との間に、アルミニウム箔及び繊維質シ
ートの積層体からなる不燃化シートを挿入して積層一体化してなる化粧不燃材に関する。
In the present invention, when a base material having a total calorific value of 40 MJ / m 2 or less for a test time of 20 minutes in a heat generation test according to ISO 5660-1, a flammable decorative veneer is pasted on the base material. even when, to maintain and improve the fire performance of the substrate had originally resulting stable non-flammable (gross calorific value of the heating test time in the test 20 minutes 8 MJ / m 2 or less) may exhibit It relates to cosmetic incombustible materials.
Specifically, a laminate of an aluminum foil and a fibrous sheet between a base material having a total calorific value of 40 MJ / m 2 or less and a decorative veneer in a heat generation test according to ISO 5660-1 for 20 minutes. The present invention relates to a decorative incombustible material obtained by inserting a noncombustible sheet made of

建築内装材例えば壁面材、天井表面材、柱被覆材および可動間仕切り等の表面材:自動車、船舶の内装製品の表面材:箪笥等の家具の外面化粧材:什器等の一般木製品の外面化粧材:並びに電子機器および楽器の外面化粧材などに使用することを目的として、現在までに多くの難燃性や不燃性の化粧材が開発されてきた。   Architectural interior materials such as wall materials, ceiling surface materials, column covering materials and movable partitioning surface materials: automotive and marine interior product surface materials: exterior cosmetic materials such as furniture such as furniture: exterior cosmetic materials for general wood products such as furniture : In addition, many flame retardant and non-flammable cosmetic materials have been developed so far for the purpose of using them as exterior cosmetic materials for electronic devices and musical instruments.

また、基材と化粧単板の間にアルミニウム箔等の金属箔を挿入することによる防火性の化粧材が幾つか報告されている。
例えば、プリント紙・木材単板等/紙/アルミニウム箔/ベニヤ・下地材から構成される耐火性を目的とする不燃性新建材(特許文献1参照。)、化粧薄単板/紙/アルミ箔/防火薬剤含浸処理合板から構成される防火性能の向上を目的とする難燃性化粧合板(特許文献2参照。)、UV塗装層/化粧シート・突板/アルミ箔/基板から構成される熱拡散効果を目的とする化粧板(特許文献3参照。)、木材単板/粉末無機物3〜10%混入水性接着剤/化学繊維紙/アルミ箔(厚さ30〜50μm)/化学繊維紙/木質系基材から構成される熱拡散効果を目的とする耐熱性化粧板(特許文献4参照。)、突板/紙間強化紙/ポリエチレン樹脂/アルミ箔/木質基材から構成される表面平滑性向上と干割れ防止を目的とする突板化粧板(特許文献5参照。)、UV塗装層/化粧材/銅箔又は銅箔とアルミニウム箔の金属箔/基礎板材から構成される耐熱性、難燃性、耐久性及び耐候性の向上を目的とする耐熱性化粧板(特許文献6参照。)並びに銘木単板/紙・不織布/アルミ箔又はガラス繊維シート/紙・不織布/基材よりなる高い防火性を目的とする防燃性銘木化粧板(特許文献7参照。)等が開示されている。
特開昭61−102943号公報 特開昭50−31012号公報 特開平02−175240号公報 特開平08−1865号公報 特開2003−145503号公報 特開平09−216308号公報 特開平06−115008号公報
In addition, some fireproof decorative materials have been reported by inserting a metal foil such as an aluminum foil between a base material and a decorative veneer.
For example, non-combustible new building materials (see Patent Document 1) for the purpose of fire resistance composed of printed paper / wood veneer / paper / aluminum foil / plywood / base material, decorative thin veneer / paper / aluminum foil / Flame-resistant decorative plywood composed of fire-resistant chemical impregnated plywood (see Patent Document 2), UV coating layer / decorative sheet / veneer / aluminum foil / substrate Decorative plate for effect (see Patent Document 3), wood veneer / powdered inorganic 3-10% water-based adhesive / chemical fiber paper / aluminum foil (thickness 30-50 μm) / chemical fiber paper / woody system Heat-resistant decorative board composed of a base material for heat diffusion effect (see Patent Document 4), improved surface smoothness made up of a veneer / inter-paper reinforced paper / polyethylene resin / aluminum foil / wood base material Veneer veneer for preventing cracks (patented) Ref. 5)), heat resistance for the purpose of improving heat resistance, flame resistance, durability and weather resistance composed of UV coating layer / decorative material / copper foil or metal foil of copper foil and aluminum foil / base plate material Fire-resistant decorative wood (see Patent Document 6) and precious wood veneer / paper / non-woven fabric / aluminum foil or glass fiber sheet / paper / non-woven fabric / base material for high fire resistance (Patent Document) 7, etc.).
JP 61-102943 A JP 50-31012 A Japanese Patent Laid-Open No. 02-175240 Japanese Patent Application Laid-Open No. 08-1865 JP 2003-145503 A JP 09-216308 A Japanese Patent Laid-Open No. 06-115008

しかし、上述の化粧材で表示されている防火性能の多くは、日本独自の試験方法であった表面試験や基材試験等により評価されたものであり、平成12年に改正された建築基準法に従ったISOに準拠した試験方法により確認されたものではなかった。
そして、現在流通している化粧材をISO5660−1に準拠した発熱性試験で評価したところ、必ずしも表示されている防火性能が反映されない場合があることが判った。
特に、上記化粧材に無機質系の不燃材が基材として使用されている場合、該基材の発熱
性試験における20分間の総発熱量が2〜3MJ/m2前後と良好な値を示すものもある
が、多くは5MJ/m2程度かそれ以上の値を示す基材であることが確認され、このよう
な基材を化粧単板で化粧した場合、隠ぺい処理(隠ぺい剤塗布や、紙等の挿入)、接着剤、化粧単板、表面塗装等の有機物が表層に配置されるので、発熱性試験における20分間の総発熱量は前記有機物の発熱により、おおよそ4〜6MJ/m2程度高くなることにな
り、不燃の規格(発熱性試験における20分間の総発熱量が8MJ/m2以下であること
)を満たしきれないという問題があることが判った。
However, many of the fire protection performances displayed on the above-mentioned decorative materials were evaluated by surface tests and base material tests, which were Japanese original test methods, and were revised in 2000. It was not confirmed by an ISO-compliant test method according to
And when the cosmetic material currently distribute | circulating was evaluated by the exothermic test based on ISO5660-1, it turned out that the displayed fireproof performance may not necessarily be reflected.
In particular, when an inorganic incombustible material is used as the base material for the decorative material, the total heat generation amount for 20 minutes in the base material exothermic test shows a good value of around 2 to 3 MJ / m 2. However, in many cases, it is confirmed that the base material shows a value of about 5 MJ / m 2 or more, and when such a base material is made up with a veneer veneer, a concealing treatment (covering agent application or paper Etc.), organic materials such as adhesive, decorative veneer, surface coating, etc. are arranged on the surface layer, so the total calorific value for 20 minutes in the exothermic test is about 4-6 MJ / m 2 due to the heat generated by the organic matter It became high, and it turned out that there exists a problem that the nonflammable specification (the total calorific value for 20 minutes in the exothermic test is 8 MJ / m 2 or less) cannot be satisfied.

また、有機物系の薬剤で防燃処理された木質等の基材を使用する化粧材の場合、不燃性(発熱性試験における20分間の総発熱量が8MJ/m2以下であること)とするために
は、基材における無機系材料の含有比率を極端に上げたり、基材表面に使用する化粧単板等を難燃化したり、無機系物質に変更すること等が考えられるが、そのために、木質素材の良さが極端に失われ、更にコスト高になるという問題があった。
In addition, in the case of a cosmetic material using a base material such as wood treated with a flame retardant with an organic chemical, it is assumed to be nonflammable (the total calorific value for 20 minutes in the exothermic test is 8 MJ / m 2 or less). In order to do so, the content ratio of the inorganic material in the base material may be increased extremely, the decorative veneer used on the base material surface may be made flame retardant, or it may be changed to an inorganic material. There was a problem that the quality of the wood material was extremely lost and the cost was further increased.

従って、本発明は、可燃性の化粧単板を基材に貼付した化粧材において、基材が本来有している防火性能を維持・向上させ、結果として安定した不燃性(発熱性試験における20分間の総発熱量が8MJ/m2以下であること)を呈しうる化粧不燃材の提供を課題と
する。
Therefore, the present invention maintains and improves the fire-proof performance inherent to the base material in the decorative material in which the combustible decorative veneer is pasted on the base material, and as a result, stable non-flammability (20 in the exothermic test). It is an object to provide a makeup incombustible material capable of exhibiting a total calorific value per minute of 8 MJ / m 2 or less.

本発明者らは、上記課題を解決するために鋭意検討した結果、発熱性試験における20分間の総発熱量が、40MJ/m2以下の基材であれば、該基材上に化粧単板が被覆され
た場合でも、前記基材と前記化粧単板との間に、アルミニウム箔及び繊維質シートの積層体からなる不燃化シートを挿入すれば安定して不燃性(発熱性試験における20分間の総発熱量が8MJ/m2以下であること)を示すことを見出し、本発明を完成させた。
As a result of intensive studies to solve the above problems, the present inventors have determined that if a total calorific value for 20 minutes in the exothermic test is 40 MJ / m 2 or less, a decorative veneer on the substrate. Even if it is coated, if a non-combustible sheet made of a laminate of an aluminum foil and a fibrous sheet is inserted between the base material and the decorative veneer, it is stably non-combustible (20 minutes in the exothermic test). The total calorific value is 8 MJ / m 2 or less), and the present invention has been completed.

即ち、本発明は、
1.ISO5660−1に準拠した発熱性試験において試験時間20分間の総発熱量が40MJ/m2以下である基材の上に、化粧単板が被覆された化粧材であって、前記基材と
前記化粧単板との間に、アルミニウム箔及び繊維質シートの積層体からなる不燃化シートを挿入して積層一体化してなり、上記発熱性試験において試験時間20分間の総発熱量が8MJ/m2以下であることを特徴とする化粧不燃材、
2.前記基材がホウ素系難燃剤若しくはホウ酸系難燃剤を含浸させた木材である前記1.記載の化粧不燃材、
3.前記基材が火山性ガラス質発泡体を主成分とし、ロックウール粒状綿、水酸化アルミニウム粉末及び有機系結合材を含む基材である前記1.記載の化粧不燃材、
4.前記基材が水酸化アルミニウムを主成分とし、繊維及び樹脂を含む基材である前記1.記載の化粧不燃材、
5.前記基材が珪酸カルシウムを主成分とし、バーミキュライト及びパルプを含む基材である前記1.記載の化粧不燃材、
6.前記基材が古紙を主成分とし、ロックウール及び珪酸マグネシウムを含む基材である前記1.記載の化粧不燃材、
7.前記基材が古紙を主成分とし、無機物及び難燃薬剤を含む基材である前記1.記載の化粧不燃材、
8.前記基材が石こうを主成分とし、パルプを含む基材である前記1.記載の化粧不燃材、
に関するものである。
That is, the present invention
1. A decorative material in which a decorative veneer is coated on a base material having a total calorific value of 40 MJ / m 2 or less in a heat generation test according to ISO 5660-1 for 20 minutes, the base material and the base material A non-combustible sheet made of a laminate of an aluminum foil and a fibrous sheet is inserted between the decorative veneer and laminated together, and the total calorific value for a test time of 20 minutes is 8 MJ / m 2 in the exothermic test. A non-combustible cosmetic material characterized by:
2. The above-mentioned 1. wherein the base material is wood impregnated with a boron-based flame retardant or a boric acid-based flame retardant. The makeup incombustible material,
3. 1. The substrate according to the above 1, wherein the substrate is composed mainly of a volcanic glassy foam and includes rock wool granular cotton, aluminum hydroxide powder and an organic binder. The makeup incombustible material,
4). The above-mentioned 1. The substrate is a substrate containing aluminum hydroxide as a main component and containing fibers and a resin. The makeup incombustible material,
5. 1. The substrate according to the above 1, wherein the substrate is composed mainly of calcium silicate and contains vermiculite and pulp. The makeup incombustible material,
6). 1. The substrate according to the above 1, wherein the substrate is mainly a waste paper and contains rock wool and magnesium silicate. The makeup incombustible material,
7). 1. The substrate according to the above 1, wherein the substrate is mainly composed of waste paper and contains an inorganic substance and a flame retardant. The makeup incombustible material,
8). 1. The substrate according to 1., wherein the substrate is mainly composed of gypsum and contains pulp. The makeup incombustible material,
It is about.

本発明は、発熱性試験における20分間の総発熱量が、40MJ/m2以下の基材を用
いれば、該基材上に化粧単板が被覆された場合でも、前記基材と前記化粧単板との間に、アルミニウム箔及び繊維質シートの積層体からなる不燃化シートを挿入するだけで安定して不燃性(発熱性試験における20分間の総発熱量が8MJ/m2以下であること)を示
すことを初めて見出したものである。
In the present invention, when a base material having a total calorific value of 20 MJ / m 2 or less in the exothermic test is 40 MJ / m 2 or less, even when a decorative veneer is coated on the base material, the base material and the decorative unit are used. Simply insert a non-combustible sheet consisting of a laminate of aluminum foil and fibrous sheet between the plates, and it is stable and non-combustible (the total calorific value for 20 minutes in the exothermic test is 8 MJ / m 2 or less. ) For the first time.

即ち、本発明に従えば、既存の発熱性試験における20分間の総発熱量が、40MJ/m2以下の基材から簡単な操作により、そして安価に化粧単板で化粧された化粧不燃材を
製造することができる。
また、本発明の化粧不燃材は、施工後裏面からの湿気・水分を遮蔽(バリヤー)して突板の変色を防ぐ、裏面からのバリヤー性に優れる。
更に、本発明の化粧不燃材は、隠ぺい性(基材の写り防止)にも優れている。
従って、本発明の化粧不燃材は、建築内装材例えば壁面材、天井表面材、柱被覆材および可動間仕切り等の表面材:自動車、船舶の内装製品の表面材:箪笥等の家具の外面化粧材:什器等の一般木製品の外面化粧材:並びに電子機器および楽器の外面化粧材などへの使用に有用である。
That is, according to the present invention, the total calorific value of 20 minutes in the existing heating resistance test, by a simple operation from 40 MJ / m 2 or less of the base material, and a low cost decorative cosmetics are cosmetic noncombustible single plate Can be manufactured.
In addition, the decorative incombustible material of the present invention is excellent in barrier properties from the back surface, which prevents moisture and moisture from the back surface after construction to prevent discoloration of the veneer.
Furthermore, the decorative non-combustible material of the present invention is also excellent in concealability (prevention of copying of the base material).
Therefore, the decorative non-combustible material of the present invention is a building interior material such as a wall surface material, a ceiling surface material, a column covering material, and a movable partition, etc. : External decorative material of general wood products such as furniture: Useful for external decorative material of electronic devices and musical instruments.

本発明の化粧不燃材に使用する基材は、発熱性試験における20分間の総発熱量が、40MJ/m2以下である基材である。
尚、本発明中に記載の発熱性試験とは、ISO5660−1に準拠したコーンカロリメータ試験法を意味する。
本発明の化粧不燃材に使用する好ましい基材としては、ホウ素系難燃剤若しくはホウ酸系難燃剤を含浸させた木材であるか又は火山性ガラス質発泡体、水酸化アルミニウム、珪酸カルシウム、古紙若しくは石こうを主成分とする基材等が挙げられる。
The base material used for the decorative incombustible material of the present invention is a base material having a total calorific value of 20 MJ / m 2 or less in a heat generation test for 20 minutes.
The exothermic test described in the present invention means a corn calorimeter test method based on ISO5660-1.
As a preferable base material used for the cosmetic incombustible material of the present invention, it is a wood impregnated with a boron-based flame retardant or a boric acid-based flame retardant, or a volcanic glassy foam, aluminum hydroxide, calcium silicate, waste paper or Examples thereof include a base material mainly composed of gypsum.

ホウ素系難燃剤若しくはホウ酸系難燃剤を含浸させた木材としては、木材にホウ素系難燃剤若しくはホウ酸系難燃剤を含浸させた木材であれば特に限定しないが、好ましいホウ素系難燃剤を含浸させた木材としては、準不燃性(発熱性試験における10分間の総発熱量が、8MJ/m2以下となる。)の基材が挙げられ、好ましいホウ酸系難燃剤を含浸さ
せた木材としては、難燃性(発熱性試験における5分間の総発熱量が、8MJ/m2以下
となる。)の基材が挙げられる。
The wood impregnated with boron-based flame retardant or boric acid-based flame retardant is not particularly limited as long as the wood is impregnated with boron-based flame retardant or boric acid-based flame retardant, but impregnated with a preferable boron-based flame retardant. Examples of the wood made to be quasi-incombustible (the total calorific value for 10 minutes in the exothermic test is 8 MJ / m 2 or less) include a base material impregnated with a preferable boric acid flame retardant. Includes a base material that is flame retardant (the total calorific value for 5 minutes in the exothermic test is 8 MJ / m 2 or less).

火山性ガラス質発泡体を主成分とする基材としては、ロックウール粒状綿、水酸化アルミニウム粉末及び有機系結合材(澱粉、フェノール樹脂等)を含むものが挙げられ、好ましくは難燃性(発熱性試験における5分間の総発熱量が、8MJ/m2以下となる。)の
基材が挙げられる。
Examples of the base material mainly composed of volcanic glassy foam include those containing rock wool granular cotton, aluminum hydroxide powder and organic binder (starch, phenol resin, etc.), preferably flame retardant ( The total calorific value for 5 minutes in the exothermic test is 8 MJ / m 2 or less).

水酸化アルミニウムを主成分とする基材としては、少量の繊維と樹脂を含むものが挙げられる。   Examples of the base material mainly composed of aluminum hydroxide include those containing a small amount of fiber and resin.

珪酸カルシウムを主成分とする基材としては、バーミキュライト及びパルプを含むものが挙げられ、不燃性(発熱性試験における20分間の総発熱量が、8MJ/m2以下とな
る。)の基材が好ましい。
The base material composed mainly of calcium silicate, include those containing vermiculite and pulp, non-flammable (gross calorific value of 20 minutes in the heat generating resistance test, the 8 MJ / m 2 or less.) Substrate is preferable.

古紙を主成分とする基材としては、ロックウール及び珪酸マグネシウムを含むものが挙げられ、好ましくは不燃性(発熱性試験における20分間の総発熱量が、8MJ/m2
下となる。)の基材が挙げられる。
また、古紙を主成分とする基材として、無機物及び難燃薬剤を含むものが挙げられ、好ましくは難燃性(発熱性試験における5分間の総発熱量が、8MJ/m2以下となる。)
の基材が挙げられる。
石こうを主成分とする基材としては、パルプを含むものが挙げられる。
Examples of the base material mainly composed of waste paper include those containing rock wool and magnesium silicate, and preferably nonflammable (the total calorific value for 20 minutes in the exothermic test is 8 MJ / m 2 or less). A base material is mentioned.
Further, as a substrate mainly containing waste paper, include those containing inorganic and flame燃薬agent, preferably the total calorific value of 5 minutes in the test flame retardancy (exothermic, and 8 MJ / m 2 or less. )
The base material of these is mentioned.
Examples of the base material containing gypsum as a main component include those containing pulp.

本発明の化粧不燃材に使用する、アルミニウム箔及び繊維質シートの積層体からなる不燃化シートとしては、繊維質シート;アルミニウム箔;繊維質シートから形成される積層体及び繊維質シート;アルミニウム箔から形成される積層体等が挙げられる。
繊維質シートとしては、紙または不織布等が挙げられ、前記紙または不織布としては、紙間強化紙、和紙、洋紙(上質紙、中質紙等)、クラフト紙、薄葉紙または樹脂含浸紙、並びに、ポリエステル不織布、ポリエステル/パルプ不織布、ビニロン混抄不織布等の各種不織布などが包含される。
繊維質シートは、化粧シートの接着性を容易にし、下地の凹凸を緩衝して化粧シートの浮き上がりを防止するために、また内側のアルミニウム箔の輝きを隠蔽するために、積層要素とされるものである。
繊維質シートの坪量は、15〜100 g/m2 、好ましくは20〜50 g/m2 である。
As a non-combustible sheet comprising a laminate of an aluminum foil and a fibrous sheet used for the decorative incombustible material of the present invention, a fibrous sheet; an aluminum foil; a laminated body and a fibrous sheet formed from a fibrous sheet; an aluminum foil The laminated body etc. which are formed from are mentioned.
Examples of the fibrous sheet include paper or non-woven fabric, and the paper or non-woven fabric includes inter-paper reinforced paper, Japanese paper, western paper (high quality paper, medium quality paper, etc.), kraft paper, thin paper or resin-impregnated paper, and Various nonwoven fabrics such as polyester nonwoven fabric, polyester / pulp nonwoven fabric, and vinylon mixed nonwoven fabric are included.
The fiber sheet is a laminated element that facilitates adhesion of the decorative sheet, cushions the unevenness of the base to prevent the decorative sheet from lifting, and conceals the brightness of the inner aluminum foil. It is.
The basis weight of the fibrous sheet is 15 to 100 g / m 2 , preferably 20 to 50 g / m 2 .

アルミニウム箔は、化粧不燃材に適度の剛性を持たせて化粧単板の寸法変化、あばれ、反りを抑えるために、また化粧不燃材に高い寸法安定性を付与するために、積層要素とされるものである。
アルミニウム箔の厚さは、5〜40μm、好ましくは10〜30μmであり、例えば、15μm及び30μmのアルミニウム箔が挙げられる。
Aluminum foil is used as a laminated element in order to give the decorative non-combustible material appropriate rigidity to suppress dimensional change, blow-off and warpage of the decorative veneer, and to impart high dimensional stability to the decorative non-combustible material. Is.
The thickness of the aluminum foil is 5 to 40 μm, preferably 10 to 30 μm, and examples thereof include aluminum foils of 15 μm and 30 μm.

アルミニウム箔と繊維質シートを接着させる際、通常、繊維質シートとアルミニウム箔の間に接着性樹脂を介在させて接着する。
形成される接着性樹脂層は、繊維質シートとアルミニウム箔との接着一体化を可能とし、適度の柔軟性を付与して施工時下地の凹凸を吸収し、また基材に貼着する際に十分な可撓性を与えて曲面部や角部の下地にも適合可能とする作用を有し、さらにアルミニウム箔の腐食防止を抑え、そしてまたアルミニウム箔と一緒になって化粧単板のあばれ、反りを抑える作用を有する。
接着性樹脂層の厚さは、1〜80μm、好ましくは2〜30μmである。
アルミニウム箔の両面に繊維質シートを接着する場合、2つの接着面に形成される接着性樹脂層は、同種であっても異種であっても、また各樹脂層は単層であっても複層であってもよい。その厚さは、それぞれ、1〜80μm、好ましくは2〜30μmである。
When the aluminum foil and the fibrous sheet are bonded, the bonding is usually performed by interposing an adhesive resin between the fibrous sheet and the aluminum foil.
When the adhesive resin layer is formed, the fiber sheet and aluminum foil can be bonded and integrated, giving moderate flexibility to absorb the unevenness of the foundation during construction, and when sticking to the substrate It has the effect of giving sufficient flexibility and adaptability to the curved surface and corner base, further suppressing the corrosion prevention of the aluminum foil, and together with the aluminum foil the veneer of the decorative veneer, Has the effect of suppressing warpage.
The thickness of the adhesive resin layer is 1 to 80 μm, preferably 2 to 30 μm.
When the fibrous sheet is bonded to both surfaces of the aluminum foil, the adhesive resin layers formed on the two bonding surfaces may be the same or different, and each resin layer may be a single layer or a plurality of layers. It may be a layer. The thickness is 1 to 80 μm, preferably 2 to 30 μm, respectively.

前記樹脂層の例としては、ポリオレフィン共重合体例えばポリエチレンコポリマー、エチレン−酢酸アクリル共重合体(EAA)、エチレン−アクリル酸共重合体、アイオノマー、ポリアミド樹脂及びウレタン系のドライラミネート用接着剤等を挙げることができるが、これらに限定されず、広範囲にわたって適用することができる。   Examples of the resin layer include polyolefin copolymers such as polyethylene copolymers, ethylene-acrylic acid acrylic copolymers (EAA), ethylene-acrylic acid copolymers, ionomers, polyamide resins, urethane-based dry laminate adhesives, and the like. Although it can mention, it is not limited to these, It can apply over a wide range.

前記樹脂層として、難燃剤を配合した接着性樹脂層を使用することができるが、繊維質シートがアルミニウム箔の両面に存在する場合、両面の2箇所に形成される接着性樹脂層のいずれか一方または双方に含有することができる。
前記難燃剤としては、三酸化アンチモン、燐酸系、ハロゲン系のものが挙げられる。
As the resin layer, an adhesive resin layer containing a flame retardant can be used, but when the fibrous sheet is present on both sides of the aluminum foil, either one of the adhesive resin layers formed on both sides of the aluminum foil. It can be contained in one or both.
Examples of the flame retardant include antimony trioxide, phosphoric acid, and halogen compounds.

また、アルミニウム箔の腐食防止のため、繊維質シートを貼る前に、予め、アルミニウム箔にバイヤー性の高い防食用のアンカーコート剤をコート処理してもよい。   Further, in order to prevent corrosion of the aluminum foil, an anchor coating agent for anticorrosion having a high buyer property may be coated on the aluminum foil in advance before applying the fibrous sheet.

前述で形成される繊維質シート;アルミニウム箔;繊維質シートより形成される積層体又は繊維質シート;アルミニウム箔より形成される積層体は、施工後裏面からの湿気・水分を遮蔽(バリヤー)して表面の化粧単板の変色を防ぐ働きをし、また、隠ぺい性(基材の写り防止)を呈する働きをする。   Fiber sheet formed as described above; Aluminum foil; Laminate or fiber sheet formed from fiber sheet; Laminate formed from aluminum foil shields moisture and moisture from the back side after construction. It works to prevent discoloration of the decorative veneer on the surface, and also serves to conceal (prevent the substrate from being copied).

本発明の化粧不燃材に使用する化粧単板としては、各種の銘木より、例えば0.05ないし3.0mmの厚さに、好ましくは0.10ないし0.4mmの厚さに、切削加工された挽板または突板を適用することができる。
化粧単板の木理は、特に限定されず、柾目、追柾、板目またはこぶ杢など、いずれでもよい。
また、化粧単板の樹種も特には、限定されないが、好ましい樹種の例は、次の通りである。:檜、楢、欅、桜、楡、黒柿、栃、桂、楓、槐、楠木等:ローズウッド、チーク、マホガニー、コクタン(黒壇)、シタン(紫檀)、バーズアイメープル、アメリカンブラックウォールナット、クラロウォールナット、ラテヌォールナット、クィンスランドウォールナット、ゼブラウッド、マンガシロ、ブラジリアンローズ、カリン(花梨)、バーシモン、シルバーローズ、パルマ、レッドウッド、パープルウッド、シルキーオーク、タイワンクス、チェリー、マグノリヤ、黒レオ(ダオ)、白レオ、サベリ、ブビンカ、マコレ、マドローナー、ミルトル、メープル、アッシン、インブイヤー等。
The decorative veneer used for the decorative incombustible material of the present invention is cut from various kinds of wood to a thickness of, for example, 0.05 to 3.0 mm, preferably 0.10 to 0.4 mm. A sawn or veneer can be applied.
The grain of the decorative veneer is not particularly limited, and may be any one of a square, a memorial, a grain or a knot.
Moreover, the tree species of the decorative veneer is not particularly limited, but examples of preferable tree species are as follows. : 檜 、 楢 、 欅 、 Sakura 、 楡 、 Black 柿 、 Tochi 、 Katsura 、 楓 、 槐 、 楠木 etc.:Rosewood, teak, mahogany, cocktan (black altar), rosewood, bird's eye maple, American black walnut, Claro Walnut, latin walnut, quinceland walnut, zebra wood, mangashiro, brazilian rose, karin (karin), versimon, silver rose, palma, redwood, purplewood, silky oak, thaiwanks, cherry, magnolia, black leo (dao) White leo, saberi, bubinka, macore, madroner, myrtle, maple, assin, inbuyer, etc.

化粧単板は繊維質シート上に、通常、接着剤を介在させて接着される。
前記接着剤の種類は特に限定されないが、例えば、ラテックス系熱硬化型接着剤、エチレン酢酸ビニル樹脂(EVA)接着剤、酢酸ビニル接着剤、酢酸ビニル−アクリル共重合体接着剤、水性ビニルウレタン系接着剤、合成ゴム系接着剤、またはアクリル系粘着材などが有利に利用することができる。
A decorative veneer is usually bonded onto a fibrous sheet with an adhesive interposed.
The type of the adhesive is not particularly limited. For example, a latex thermosetting adhesive, an ethylene vinyl acetate resin (EVA) adhesive, a vinyl acetate adhesive, a vinyl acetate-acrylic copolymer adhesive, an aqueous vinyl urethane type An adhesive, a synthetic rubber adhesive, an acrylic pressure-sensitive adhesive, or the like can be advantageously used.

基材上にアルミニウム箔、繊維質シート;アルミニウム箔よりなる積層体、繊維質シート;アルミニウム箔;繊維質シートよりなる積層体又は化粧単板;繊維質シート;アルミニウム箔;繊維質シートよりなるシートを貼着する際も、通常、接着剤を介在させて接着される。
前記接着剤の種類は特に限定されないが、例えば、ラテックス系熱硬化型接着剤、エチレン酢酸ビニル樹脂(EVA)接着剤、酢酸ビニル接着剤、酢酸ビニル−アクリル共重合体接着剤、または水性ビニルウレタン系接着剤などが有利に利用することができる。
Aluminum foil, fibrous sheet on substrate; laminated body made of aluminum foil, fibrous sheet; aluminum foil; laminated body made of fibrous sheet or veneer veneer; fibrous sheet; aluminum foil; sheet made of fibrous sheet When sticking, it is usually bonded with an adhesive.
The type of the adhesive is not particularly limited. For example, a latex thermosetting adhesive, an ethylene vinyl acetate resin (EVA) adhesive, a vinyl acetate adhesive, a vinyl acetate-acrylic copolymer adhesive, or an aqueous vinyl urethane. A system adhesive or the like can be advantageously used.

本発明の化粧不燃材は以下に示す方法により、製造することができる。
(a)まず、押出しラミネート法に従い、必要により接着性樹脂を介在させて、繊維質シー
ト;アルミニウム箔;繊維質シートよりなる積層体を成形し、続いて、必要により接着剤を介在させて該積層体を基材上に貼着し、さらにその上に必要により接着剤を介在させて化粧単板をオーバーレイして熱圧接着する。
(b)基材上にアルミニウム箔を必要により接着剤を介在させて貼着し、この上に繊維質シートを必要により接着性樹脂を介在させて貼着し、さらにその上に化粧単板を必要により接着剤を介在させて貼着する。
(c)予め、化粧単板;繊維質シート;アルミニウム箔;繊維質シートよりなるシートを必要により接着性樹脂及び/又は接着剤を介在させて製作し、該シートを基材上に貼着する。
The decorative incombustible material of the present invention can be produced by the following method.
(a) First, in accordance with an extrusion laminating method, an adhesive resin is interposed as necessary to form a laminate composed of a fibrous sheet; aluminum foil; a fibrous sheet, and then the adhesive is interposed as necessary. A laminated body is stuck on a base material, and a decorative veneer is overlaid and bonded with heat and pressure by interposing an adhesive as necessary.
(B) An aluminum foil is pasted on the base material with an adhesive if necessary, a fibrous sheet is stuck on the base with an adhesive resin if necessary, and a decorative veneer is further formed thereon. If necessary, stick with an adhesive.
(C) A sheet made of a decorative veneer; a fibrous sheet; an aluminum foil; a fibrous sheet is produced in advance with an adhesive resin and / or an adhesive, if necessary, and the sheet is adhered onto a substrate. .

次に、本発明を実施例により更に詳細に説明するが、本発明は実施例に限定されるものではない。
実施例1 火山性ガラス質発泡体を主成分とする基材を用いた化粧不燃材の製造
実施例1を図1を用いて説明する。
図1に示すように、ドライラミネート法に従い、坪量30 g/m2 の紙間強化紙2;ウレタン系接着剤;厚さ15μmのアルミニウム箔3;ウレタン系接着剤;坪量30 g/m2 の紙間強化紙4よりなるアルミニウム箔入りシートを製造した。
火山性ガラス質発泡体を主成分とし、ロックウール粒状綿、水酸化アルミニウム粉末及び有機系結合材(澱粉、フェノール樹脂等)を含む基材1(6mm厚)上に、ラテックス
系熱硬化性接着剤を塗布し、上記アルミニウム箔入りシートをホットプレスにて貼着した。
更に、アルミニウム箔入りシート上にラテックス系熱硬化性接着剤を塗布し、突板5(0.2mm厚、気乾重量90g/m2)をホットプレスにて貼着した。突板表面を研磨後
、合成樹脂塗料で塗装し、仕上げを行った。
EXAMPLES Next, although an Example demonstrates this invention still in detail, this invention is not limited to an Example.
Example 1 Production of a makeup incombustible material using a base material composed mainly of a volcanic glassy foam Example 1 will be described with reference to FIG.
As shown in FIG. 1, in accordance with the dry lamination method, basis weight 30 g / m between two paper reinforced paper 2; urethane adhesive; aluminum foil 3 having a thickness of 15 [mu] m; urethane adhesive; basis weight 30 g / m The sheet | seat containing aluminum foil which consists of 2 paper reinforcement | strengthening paper 4 was manufactured.
Latex-based thermosetting adhesion on base material 1 (6mm thickness) containing volcanic glassy foam as the main component and containing rock wool granular cotton, aluminum hydroxide powder and organic binder (starch, phenol resin, etc.) The agent was applied, and the sheet with the aluminum foil was stuck by a hot press.
Further, a latex thermosetting adhesive was applied onto the sheet containing aluminum foil, and the protruding plate 5 (0.2 mm thickness, air dry weight 90 g / m 2 ) was attached by a hot press. After polishing the veneer surface, it was finished with a synthetic resin paint.

比較試験用として同様な方法で、上記基材(6mm厚)上に、ラテックス系熱硬化性接着剤を塗布し、上記の突板(0.2mm厚、気乾重量90g/m2)を直接ホットプレス
にて貼着し、突板表面を研磨後、合成樹脂で塗装して仕上げた化粧材を製造した。
上記で製造した2種の化粧材と上記の基材単体(6mm厚)の計3種の試験体を準備し、発熱性試験を実施した。
A latex thermosetting adhesive is applied on the base material (6 mm thickness) in the same manner as a comparative test, and the above veneer (0.2 mm thickness, air dry weight 90 g / m 2 ) is directly heated. A decorative material was manufactured by sticking with a press, polishing the surface of the veneer and painting with a synthetic resin.
A total of three types of specimens, the two types of decorative materials produced above and the base material alone (thickness 6 mm), were prepared, and an exothermic test was performed.

実施例2 珪酸カルシウムを主成分とする基材を用いた化粧不燃材の製造
ドライラミネート法に従い、坪量30 g/m2 の紙間強化紙;ウレタン系接着剤;厚さ15μmのアルミニウム箔;ウレタン系接着剤;坪量30 g/m2 の紙間強化紙よりなるアルミニウム箔入りシートを製造した。
珪酸カルシウムを主成分とし、バーミキュライト及びパルプを含む基材(6mm厚)上に、ラテックス系熱硬化性接着剤を塗布し、上記アルミニウム箔入りシートをホットプレスにて貼着した。
更に、アルミニウム箔入りシート上にラテックス系熱硬化性接着剤を塗布し、突板(0.2mm厚、気乾重量90g/m2)をホットプレスにて貼着した。突板表面を研磨後、
合成樹脂塗料で塗装し、仕上げを行った。
Example 2 Production of a cosmetic incombustible material using a base material containing calcium silicate as a main component According to a dry laminating method, a paper-to-paper reinforced paper having a basis weight of 30 g / m 2 ; a urethane-based adhesive; an aluminum foil having a thickness of 15 μm; Urethane adhesive: A sheet containing aluminum foil made of inter-paper reinforced paper having a basis weight of 30 g / m 2 was produced.
A latex thermosetting adhesive was applied on a base material (6 mm thickness) containing calcium silicate as a main component and containing vermiculite and pulp, and the sheet containing aluminum foil was stuck by a hot press.
Further, a latex thermosetting adhesive was applied on the sheet containing aluminum foil, and a veneer (0.2 mm thickness, air dry weight 90 g / m 2 ) was stuck by a hot press. After polishing the veneer surface,
It was painted with a synthetic resin paint and finished.

比較試験用として同様な方法で、上記基材(6mm厚)上に、ラテックス系熱硬化性接着剤を塗布し、上記の突板(0.2mm厚、気乾重量90g/m2)を直接ホットプレス
にて貼着し、突板表面を研磨後、合成樹脂で塗装して仕上げた化粧材を製造した。
上記で製造した2種の化粧材と上記の基材単体(6mm厚)の計3種の試験体を準備し、発熱性試験を実施した。
A latex thermosetting adhesive is applied on the base material (6 mm thickness) in the same manner as a comparative test, and the above veneer (0.2 mm thickness, air dry weight 90 g / m 2 ) is directly heated. A decorative material was manufactured by sticking with a press, polishing the surface of the veneer and painting with a synthetic resin.
A total of three types of specimens, the two types of decorative materials produced above and the base material alone (thickness 6 mm), were prepared, and an exothermic test was performed.

実施例3 ホウ酸系難燃剤を含浸させた木材を基材として用いた化粧不燃材の製造
ドライラミネート法に従い、坪量30 g/m2 の紙間強化紙;ウレタン系接着剤;厚さ15μmのアルミニウム箔;ウレタン系接着剤;坪量30 g/m2 の紙間強化紙よりなるアルミニウム箔入りシートを製造した。
厚単板をホウ酸系難燃剤に含浸し乾燥した後、該厚単板を積層して10mm厚の難燃合板を作成した。
前記難燃合板上に、ラテックス系熱硬化性接着剤を塗布し、上記アルミニウム箔入りシートをホットプレスにて貼着した。
更に、アルミニウム箔入りシート上にラテックス系熱硬化性接着剤を塗布し、突板(0.2mm厚、気乾重量90g/m2)をホットプレスにて貼着した。突板表面を研磨後、
合成樹脂塗料で塗装し、仕上げを行った。
上記で製造した化粧材と上記の基材単体(10mm厚)の2種の試験体を準備し、発熱性試験を実施した。
Example 3 Production of a cosmetic incombustible material using wood impregnated with a boric acid flame retardant as a base material According to the dry laminating method, paper-reinforced paper having a basis weight of 30 g / m 2 ; urethane adhesive; thickness 15 μm An aluminum foil-containing sheet made of paper-reinforced paper having a basis weight of 30 g / m 2 was produced.
After impregnating the thick veneer with a boric acid flame retardant and drying, the thick veneer was laminated to form a 10 mm thick flame retardant plywood.
On the flame-retardant plywood, a latex thermosetting adhesive was applied, and the aluminum foil-containing sheet was stuck by a hot press.
Further, a latex thermosetting adhesive was applied on the sheet containing aluminum foil, and a veneer (0.2 mm thickness, air dry weight 90 g / m 2 ) was stuck by a hot press. After polishing the veneer surface,
It was painted with a synthetic resin paint and finished.
Two types of test bodies, the decorative material produced above and the base material alone (10 mm thickness), were prepared, and an exothermic test was performed.

実施例4 ホウ素系難燃剤を含浸させた木材を基材として用いた化粧不燃材の製造
ドライラミネート法に従い、坪量30 g/m2 の紙間強化紙;ウレタン系接着剤;厚さ15μmのアルミニウム箔;ウレタン系接着剤;坪量30 g/m2 の紙間強化紙よりなるアルミニウム箔入りシートを製造した。
厚単板をホウ素系難燃剤に含浸し乾燥した後、該厚単板を積層して10.3mm厚の難燃合板を作成した。
前記難燃合板上に、ラテックス系熱硬化性接着剤を塗布し、上記アルミニウム箔入りシ
ートをホットプレスにて貼着した。
更に、アルミニウム箔入りシート上にラテックス系熱硬化性接着剤を塗布し、突板(0.2mm厚、気乾重量90g/m2)をホットプレスにて貼着した。突板表面を研磨後、
合成樹脂塗料で塗装し、仕上げを行った。
上記で製造した化粧材と上記の基材単体(10.3mm厚)の2種の試験体を準備し、発熱性試験を実施した。
Example 4 Production of a cosmetic incombustible material using wood impregnated with a boron-based flame retardant as a base material According to the dry laminating method, a paper-reinforced paper having a basis weight of 30 g / m 2 ; a urethane-based adhesive; a thickness of 15 μm Aluminum foil; Urethane-based adhesive; An aluminum foil-containing sheet made of paper-reinforced paper having a basis weight of 30 g / m 2 was produced.
The thick veneer was impregnated with a boron-based flame retardant and dried, and then the thick veneer was laminated to form a 10.3 mm thick flame retardant plywood.
On the flame-retardant plywood, a latex thermosetting adhesive was applied, and the aluminum foil-containing sheet was stuck by a hot press.
Further, a latex thermosetting adhesive was applied on the sheet containing aluminum foil, and a veneer (0.2 mm thickness, air dry weight 90 g / m 2 ) was stuck by a hot press. After polishing the veneer surface,
It was painted with a synthetic resin paint and finished.
Two kinds of test bodies, the decorative material produced above and the base material alone (10.3 mm thickness), were prepared, and an exothermic test was performed.

実施例5 古紙を主成分とする基材を用いた化粧不燃材の製造
火山性ガラス質発泡体を主成分とする基材に代えて、古紙を主成分とし、ロックウール及び珪酸マグネシウムを含む基材(9mm厚)を用いた以外は実施例1と同様にして化粧材を製造した。
また、比較試験用として実施例1と同様な方法で、基材上に突板が貼着された化粧材を製造し、基材単体(9mm厚)と共に3種の試験体とし、発熱性試験を実施した。
Example 5 Production of a makeup incombustible material using a base material mainly composed of waste paper Instead of a base material mainly composed of a volcanic glassy foam, a base material containing waste paper as a main component and containing rock wool and magnesium silicate A cosmetic material was produced in the same manner as in Example 1 except that the material (thickness 9 mm) was used.
In addition, for the comparative test, a cosmetic material having a veneer stuck on a base material was manufactured in the same manner as in Example 1, and three types of test bodies were made together with the base material (9 mm thickness), and the exothermic test was conducted. Carried out.

実施例6 古紙を主成分とする基材を用いた化粧不燃材の製造
火山性ガラス質発泡体を主成分とする基材に代えて、古紙を主成分とし、無機物及び難燃薬剤を含む基材(10mm厚)を用いた以外は実施例1と同様にして化粧材を製造した。
上記基材単体(9mm厚)と共に2種の試験体とし、発熱性試験を実施した。
Example 6 Production of a makeup incombustible material using a base material mainly composed of waste paper Instead of a base material mainly composed of a volcanic glassy foam, a base material containing waste paper as a main component and containing an inorganic substance and a flame retardant agent A cosmetic material was produced in the same manner as in Example 1 except that the material (10 mm thick) was used.
Two types of test specimens were formed together with the base material alone (9 mm thickness), and an exothermic test was conducted.

比較例1
火山性ガラス質発泡体を主成分とする基材に代えて、薬剤を含浸させた木材(12mm厚)を基材として用いた以外は実施例1と同様にして化粧材を製造した。
上記基材単体(12mm厚)と共に2種の試験体とし、発熱性試験を実施した。
Comparative Example 1
A cosmetic material was produced in the same manner as in Example 1 except that wood (12 mm thick) impregnated with a chemical was used as the base material instead of the base material mainly composed of volcanic glassy foam.
Two types of test bodies were formed together with the above base material alone (12 mm thickness), and an exothermic test was conducted.

比較例2
火山性ガラス質発泡体を主成分とする基材に代えて、薬剤を含浸させた木材(9.3mm厚)を基材として用いた以外は実施例1と同様にして化粧材を製造した。
Comparative Example 2
A cosmetic material was produced in the same manner as in Example 1 except that wood (9.3 mm thick) impregnated with a chemical was used as the base material instead of the base material mainly composed of volcanic glassy foam.

比較例3
火山性ガラス質発泡体を主成分とする基材に代えて、木材(9mm厚)を基材として用いた以外は実施例1と同様にして化粧材を製造した。
Comparative Example 3
A cosmetic material was produced in the same manner as in Example 1 except that wood (9 mm thick) was used as the base material instead of the base material containing the volcanic glassy foam as a main component.

比較例4
火山性ガラス質発泡体を主成分とする基材に代えて、木材(12mm厚)を基材として用いた以外は実施例1と同様にして化粧材を製造した。
Comparative Example 4
A cosmetic material was produced in the same manner as in Example 1 except that wood (12 mm thick) was used as the base material instead of the base material containing the volcanic glassy foam as a main component.

比較例5
火山性ガラス質発泡体を主成分とする基材に代えて、木材(9mm厚)を基材として用いた以外は実施例1と同様にして化粧材を製造した。
Comparative Example 5
A cosmetic material was produced in the same manner as in Example 1 except that wood (9 mm thick) was used as the base material instead of the base material containing the volcanic glassy foam as a main component.

比較例6
火山性ガラス質発泡体を主成分とする基材に代えて、木材(9mm厚:有孔加工:径5、P25)を基材として用いた以外は実施例1と同様にして化粧材を製造した。
Comparative Example 6
A cosmetic material is produced in the same manner as in Example 1 except that wood (9 mm thickness: perforated processing: diameter 5, P25) is used as the base material instead of the base material mainly composed of volcanic glassy foam. did.

試験例1 化粧材の発熱性試験
実施例1〜6及び比較例1〜6で製造した試験体を、それぞれISO5660−1に準拠したコーンカロリメータ試験法に供した。
試験方法
試験体(寸法99mm×99mm)を水平に置き、その上方からコーン型の電気ヒータ
ーにより50kW/m2の輻射加熱を与え、電気スパークの口火により着火させ、燃焼性
を発熱量により判定した(試験時間20分間の総発熱量が8MJ/m2以下であるものを
不燃、10分間の総発熱量が8MJ/m2以下であるものを準不燃、5分間の総発熱量が
8MJ/m2以下であるものを難燃とする。)。発熱量は燃焼ガス分析による酸素消費量
から求めた。試験体の亀裂や溶融については目視により評価した。
判定基準
1.加熱開始後20分間の総発熱量が、8MJ/m2以下であること。
2.加熱開始後20分間、防火上有害な裏面まで貫通する亀裂及び穴がないこと。
3.加熱開始後20分間、最高発熱速度が10秒以上継続して200kW/m2を超えな
いこと。
試験結果を表1に示した。
表1

Figure 2007144655
Test Example 1 Exothermic Test of Cosmetic Material The specimens manufactured in Examples 1 to 6 and Comparative Examples 1 to 6 were each subjected to a corn calorimeter test method based on ISO5660-1.
Test method A test specimen (dimensions 99 mm × 99 mm) was placed horizontally, radiant heating of 50 kW / m 2 was applied from above by a cone-type electric heater, ignited by electric spark ignition, and the flammability was determined by the calorific value. (Inflammable if the total calorific value for the test time of 20 minutes is 8 MJ / m 2 or less, non-flammable if the total calorific value for 10 minutes is 8 MJ / m 2 or less, quasi-incombustible, total calorific value for 5 minutes is 8 MJ / m Those that are 2 or less are considered flame retardant.) The calorific value was determined from the oxygen consumption by combustion gas analysis. The test specimen was visually evaluated for cracking and melting.
Criteria 1. The total calorific value for 20 minutes after the start of heating is 8 MJ / m 2 or less.
2. There should be no cracks or holes penetrating to the back side, which is harmful to fire protection, for 20 minutes after the start of heating.
3. The maximum exotherm rate should not exceed 200 kW / m 2 for 20 minutes after the start of heating for 10 seconds or longer.
The test results are shown in Table 1.
Table 1
Figure 2007144655

試験結果
実施例1で使用した基材単体は、試験時間5分間の総発熱量が5.30MJ/m2であ
ったため難燃性であることが判った。また、該基材における試験時間20分間の総発熱量、11.4MJ/m2が該基材上に突板を貼着することにより、18.10MJ/m2と高くなり結果として規格外となった。これに対し、アルミニウム箔入り不燃化シートが挿入された実施例1の化粧材では、試験時間20分間の総発熱量は、4.80MJ/m2と基
材単体よりも総発熱量が減少し、結果として不燃性の規格を満たすものであった。
Test Results The base material used in Example 1 was found to be flame retardant because the total calorific value for the test time of 5 minutes was 5.30 MJ / m 2 . Is The total calorific value of the test time of 20 minutes in the substrate, by 11.4MJ / m 2 is adhered to the sliced veneer on the substrate, a non-standard as a result increases the 18.10MJ / m 2 It was. On the other hand, in the decorative material of Example 1 in which the nonflammable sheet containing aluminum foil was inserted, the total calorific value for the test time of 20 minutes was 4.80 MJ / m 2, and the total calorific value was smaller than that of the base material alone. As a result, the non-combustible standard was satisfied.

また、基材上に突板が貼着された化粧材では、基材の色(赤褐色)が突板に写って突板本来の色でなくなっていたのに対して、実施例1の化粧材では、基材の色写りが無く、良好な隠ぺい性を示した。
尚、実施例1の化粧材は、施工時の裏面からの湿気や水分による突板の変色を抑える、充分なバリヤー性を発揮するものであった。
Further, in the decorative material in which the veneer is pasted on the base material, the color (reddish brown) of the base material is reflected on the veneer and is not the original color of the veneer. There was no coloration of the material, and it showed good concealment.
The decorative material of Example 1 exhibited a sufficient barrier property to suppress discoloration of the veneer due to moisture and moisture from the back surface during construction.

実施例2ないし6の化粧材は、実施例1と同様に、基材単体と同等かそれよりも低い総発熱量を示し、結果として全て不燃性の規格を満たすものであった。   As in Example 1, the decorative materials of Examples 2 to 6 exhibited a total calorific value equivalent to or lower than that of the base material alone, and as a result, all satisfied the nonflammability standards.

表1の発熱性試験結果を基に、化粧材(実施例及び比較例)と該化粧材に使用した基材単体との試験時間20分間の総発熱量における相関を観るために、化粧材の総発熱量(20分間)を縦軸に、該化粧材に使用した基材単体の総発熱量(20分間)を横軸に示すグラフを作成し図3に示した。図3から基材単体の総発熱量が40MJ/m2以下であれば
、該基材を用いて製造された化粧材が不燃性(試験時間20分間の総発熱量が8MJ/m2以下となる。)となることが示された。
Based on the results of the exothermic test in Table 1, in order to see the correlation in the total calorific value for the test time of 20 minutes between the decorative material (Examples and Comparative Examples) and the base material used in the decorative material, A graph showing the total calorific value (20 minutes) on the vertical axis and the total calorific value (20 minutes) of the base material alone used in the decorative material on the horizontal axis is shown in FIG. From FIG. 3, if the total calorific value of the base material alone is 40 MJ / m 2 or less, the decorative material manufactured using the base material is nonflammable (the total calorific value for a test time of 20 minutes is 8 MJ / m 2 or less). ).

実施例7
厚さ15μmのアルミニウム箔に代えて、厚さ30μmのアルミニウム箔を用いた以外は実施例1と同様にして化粧材を製造した。
発熱性試験において、厚さ15μmのアルミニウム箔を用いた時とほぼ同様の結果が得られた。
Example 7
A cosmetic material was produced in the same manner as in Example 1 except that an aluminum foil having a thickness of 30 μm was used instead of the aluminum foil having a thickness of 15 μm.
In the exothermic test, almost the same result as that obtained when an aluminum foil having a thickness of 15 μm was used was obtained.

実施例8
実施例8を図2により説明する。
図2に示すように、実施例1で使用した基材1上に、水性ビニルウレタン系接着剤を塗布し、アルミニウム箔3を貼着し、その上にウレタン系接着剤を塗布して坪量30 g/m2 の紙間強化紙4を貼着し、この上にラテックス系熱硬化性接着剤を塗布し、突板5(0.2mm厚、気乾重量90g/m2)をホットプレスにて貼着した。突板表面を研磨後、合
成樹脂塗料で塗装し、仕上げを行うことにより化粧不燃材を製造した。
Example 8
Example 8 will be described with reference to FIG.
As shown in FIG. 2, on the base material 1 used in Example 1, an aqueous vinyl urethane-based adhesive is applied, an aluminum foil 3 is adhered, and a urethane-based adhesive is applied thereon to obtain a basis weight. A 30 g / m 2 inter-paper reinforcing paper 4 is stuck, a latex thermosetting adhesive is applied thereon, and the veneer 5 (0.2 mm thickness, air dry weight 90 g / m 2 ) is hot pressed. Stuck. After polishing the veneer surface, it was painted with a synthetic resin paint and finished to produce a decorative incombustible material.

実施例9
坪量30 g/m2 の紙間強化紙;ウレタン系接着剤;厚さ15μmのアルミニウム箔;ウレタン系接着剤;坪量30 g/m2 の紙間強化紙;ラテックス系熱硬化性接着剤;突板(0.2mm厚、気乾重量90g/m2)をホットプレスにて貼着してアルミニウム箔入り化
粧シートを製造した。
実施例1で使用した基材上に、ラテックス系熱硬化性接着剤を塗布し、上記アルミニウム箔入り化粧シートをホットプレスにて貼着した。
突板表面を研磨後、合成樹脂塗料で塗装し、仕上げを行うことにより化粧不燃材を製造した。
Example 9
Paper-reinforced paper with a basis weight of 30 g / m 2 ; Urethane adhesive; Aluminum foil with a thickness of 15 μm; Urethane adhesive; Paper-to-paper reinforced paper with a basis weight of 30 g / m 2 ; Latex-based thermosetting adhesive A veneer (0.2 mm thickness, air dry weight 90 g / m 2 ) was stuck by a hot press to produce a decorative sheet containing aluminum foil.
On the base material used in Example 1, a latex thermosetting adhesive was applied, and the decorative sheet containing aluminum foil was stuck by a hot press.
After polishing the veneer surface, it was painted with a synthetic resin paint and finished to produce a decorative incombustible material.

本発明の実施例1で製造した化粧不燃材の断面を表す図である。It is a figure showing the cross section of the cosmetic incombustible material manufactured in Example 1 of this invention. 本発明の実施例8で製造した化粧不燃材の断面を表す図である。It is a figure showing the cross section of the cosmetic incombustible material manufactured in Example 8 of this invention. 化粧材(実施例及び比較例)と該化粧材に使用した基材単体との試験時間20分間の総発熱量における相関を示すグラフである。It is a graph which shows the correlation in the total calorific value of the test time for 20 minutes with the decorative material (Example and comparative example) and the base material simple substance used for this decorative material.

符号の説明Explanation of symbols

1 基材
2 繊維質シート
3 アルミニウム箔
4 繊維質シート
5 化粧単板

1 base material 2 fibrous sheet 3 aluminum foil 4 fibrous sheet 5 decorative veneer

Claims (8)

ISO5660−1に準拠した発熱性試験において試験時間20分間の総発熱量が40MJ/m2以下である基材の上に、化粧単板が被覆された化粧材であって、前記基材と前記
化粧単板との間に、アルミニウム箔及び繊維質シートの積層体からなる不燃化シートを挿入して積層一体化してなり、上記発熱性試験において試験時間20分間の総発熱量が8MJ/m2以下であることを特徴とする化粧不燃材。
A decorative material in which a decorative veneer is coated on a base material having a total calorific value of 40 MJ / m 2 or less in a heat generation test according to ISO 5660-1 for 20 minutes, the base material and the base material A non-combustible sheet made of a laminate of an aluminum foil and a fibrous sheet is inserted between the decorative veneer and laminated together, and the total calorific value for a test time of 20 minutes is 8 MJ / m 2 in the exothermic test. A makeup incombustible material characterized by:
前記基材がホウ素系難燃剤若しくはホウ酸系難燃剤を含浸させた木材である請求項1記載の化粧不燃材。 The cosmetic incombustible material according to claim 1, wherein the base material is wood impregnated with a boron-based flame retardant or a boric acid-based flame retardant. 前記基材が火山性ガラス質発泡体を主成分とし、ロックウール粒状綿、水酸化アルミニウム粉末及び有機系結合材を含む基材である請求項1記載の化粧不燃材。 The cosmetic incombustible material according to claim 1, wherein the base material is a base material mainly composed of a volcanic glassy foam and containing rock wool granular cotton, aluminum hydroxide powder and an organic binder. 前記基材が水酸化アルミニウムを主成分とし、繊維及び樹脂を含む基材である請求項1記載の化粧不燃材。 The cosmetic incombustible material according to claim 1, wherein the base material is a base material containing aluminum hydroxide as a main component and containing fibers and a resin. 前記基材が珪酸カルシウムを主成分とし、バーミキュライト及びパルプを含む基材である請求項1記載の化粧不燃材。 The cosmetic incombustible material according to claim 1, wherein the base material is a base material containing calcium silicate as a main component and containing vermiculite and pulp. 前記基材が古紙を主成分とし、ロックウール及び珪酸マグネシウムを含む基材である請求項1記載の化粧不燃材。 The cosmetic incombustible material according to claim 1, wherein the base material is a base material containing waste paper as a main component and containing rock wool and magnesium silicate. 前記基材が古紙を主成分とし、無機物及び難燃薬剤を含む基材である請求項1記載の化粧不燃材。 The cosmetic incombustible material according to claim 1, wherein the base material is a base material containing waste paper as a main component and containing an inorganic substance and a flame retardant. 前記基材が石こうを主成分とし、パルプを含む基材である請求項1記載の化粧不燃材。

The cosmetic incombustible material according to claim 1, wherein the base material is a base material containing gypsum as a main component and pulp.

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