JPS61211039A - Manufacture of decorative board - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、天然木材の風合を再現できる化粧板の製法
に関し、天然木材の凹凸模様を賦型した型の凹凸面に透
明樹脂膜を形成し、さらにこの凹凸面の凸部にのみ着色
材を付着せしめ、これを、天然木材の色彩模様が形成さ
れ、かつ、硬化性樹脂液が塗布された素材上に押し当て
る方法を取ることによシ、製造工程の簡略化が計れるよ
うにしたものである。[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a method for manufacturing a decorative board that can reproduce the texture of natural wood, and involves applying a transparent resin film to the uneven surface of a mold that has been formed with an uneven pattern of natural wood. A method was adopted in which the coloring material was applied only to the convex portions of the uneven surface, and this was then pressed onto the material on which the colored pattern of natural wood had been formed and a curable resin liquid had been applied. This is intended to simplify the manufacturing process.

〔従来技術とその問題点〕[Prior art and its problems]

従来、このような天然木の持つ風合を再現できる化粧板
の製法の７つに、本出願人の出願に係る特願昭５８−１
０６８８号に示されたものがある。Conventionally, there are seven manufacturing methods for decorative laminates that can reproduce the texture of natural wood, as disclosed in the patent application filed in 1983 by the present applicant.
There is one shown in No. 0688.

この方法は、天然木材の色彩模様を形成した系材、例え
ば合板上に木目印刷紙などを貼着したものなどの上に、
不飽和ポリエステル樹脂、ジアリルフタレート樹脂、エ
ポキシ樹脂などの硬化性樹脂液を塗布し、この上から天
然木材の凹凸模様が賦型されたシリコーン型などの型を
押し当て硬化性樹脂液が硬化後、脱型し、硬化樹脂に転
写された凹凸面の凹部にのみ着色材を付着せしめたのち
、この上にウレタンクリヤー塗料などの透明塗料？：塗
布し、透明樹脂膜を形成するものである。This method uses natural wood that has a color pattern formed on it, such as plywood with wood grain printing paper pasted on it.
A curable resin liquid such as unsaturated polyester resin, diallyl phthalate resin, or epoxy resin is applied, and a mold such as a silicone mold imprinted with the uneven pattern of natural wood is pressed onto it, and after the curable resin liquid has hardened, After removing the mold and applying coloring material only to the concave parts of the uneven surface transferred to the cured resin, transparent paint such as urethane clear paint is applied on top of this. : Coating to form a transparent resin film.

この製法は、天然木材の表面の微細な色彩模様や立体模
様を富かに現出せしめることができ、天然木材の風合を
良く再現できるという特徴を有するものの、工程数が多
く、製造コストが嵩むという問題点があった。例えば、
上記着色材を硬化樹脂の表面の凹部にのみ付着せしめる
ためには、一旦表面の凹凸面全面に着色材を塗布し、着
色材の乾燥、固化前にスキージやワイピング機を用いて
凸部に付着している着色材を除去しなければならない。Although this manufacturing method has the characteristic of being able to express richly minute color patterns and three-dimensional patterns on the surface of natural wood, and being able to reproduce the texture of natural wood well, it requires a large number of steps and is expensive to manufacture. There was a problem that it was bulky. for example,
In order to make the colorant adhere only to the concave portions on the surface of the cured resin, first apply the colorant to the entire uneven surface, and then use a squeegee or wiping machine to adhere the colorant to the convex portions before drying and solidifying the colorant. The colored material must be removed.

また、上記素材がシート状の薄物の場合には、着色材の
付着工程、透明樹脂膜形成工程を機械化することが困難
でもらった。Furthermore, when the above-mentioned material is a thin sheet-like material, it is difficult to mechanize the process of attaching the coloring material and forming the transparent resin film.

〔問題点を解決するための手段〕[Means for solving problems]

そこで、この発明にあっては、型の凹凸面に予め透明樹
脂膜を形成し、この膜の凸部にのみ着色材を塗布してお
き、これを硬化性樹脂液が塗布され色彩模様が形成され
た素材に押し当てることによシ、工程数を削減し、製造
コストの低下を計るようＫした。Therefore, in this invention, a transparent resin film is formed in advance on the uneven surface of the mold, a coloring material is applied only to the convex parts of this film, and a curable resin liquid is applied to this to form a colored pattern. By pressing the molded material onto the material, the number of steps and manufacturing costs were reduced.

以下、図面を参照して詳しく説明する。A detailed description will be given below with reference to the drawings.

第１図ないし第７図はこの発明の製法の一例を工程順に
示すものである。FIGS. 1 to 7 show an example of the manufacturing method of the present invention in the order of steps.

まず、第７図に示すように１複製すべき天然木材ｌを用
意し、この木材１０表面に型取り用合成樹脂液を流して
、天然木材１の表面の凹凸模様を忠実に写し取った型２
を作成する。型取シ用合成樹脂液としては、透明ないし
半透明の常温硬化型の液状シリコーン樹脂が後述の位置
合せの点で好適である。First, as shown in FIG. 7, a piece of natural wood 1 to be replicated is prepared, and a synthetic resin solution for molding is poured onto the surface of this piece of wood 10 to create a mold 2 that faithfully copies the uneven pattern on the surface of the natural wood 1.
Create. As the synthetic resin liquid for mold making, a transparent or translucent liquid silicone resin that hardens at room temperature is suitable from the standpoint of positioning described later.

つぎに１この型２の凹凸面に、第一図に示すように透明
樹脂液を塗布し、透明樹脂膜３を形成する。この透明樹
脂膜３は、得られる化粧板の最表面の透明樹脂膜となる
ものである。この透明樹脂膜３は聾２の凹凸面のすべて
の部分で、均一な厚さであることが好ましく、型２の凹
凸形状がぼけることなく、透明樹脂膜３に正確に移され
ることが望ましい。具体的には、不飽和ポリエステル樹
脂、ポリウレタン樹脂、ジアリルフタレート樹脂などの
透明塗料をスプレー法、ロールコータ法、オフ　セ’７
ト法すどＫよって、膜厚０．２〜０．　！ｒ　ｗｌｆ４
度となるように塗布し、乾燥固化させる。Next, a transparent resin liquid is applied to the uneven surface of the mold 2, as shown in FIG. 1, to form a transparent resin film 3. This transparent resin film 3 becomes the outermost transparent resin film of the decorative board to be obtained. It is preferable that this transparent resin film 3 has a uniform thickness on all parts of the uneven surface of the deaf 2, and it is desirable that the uneven shape of the mold 2 is transferred to the transparent resin film 3 accurately without blurring. Specifically, transparent paints such as unsaturated polyester resins, polyurethane resins, and diallyl phthalate resins are applied using spray methods, roll coater methods, and offset coating methods.
Depending on the method, the film thickness is 0.2 to 0. ! rwlf4
Apply evenly and allow to dry and harden.

ついで、第３図に示すように、透明樹脂膜３の凹凸面の
凸部にのみ着色材４を付着せしめる。この着色材４とし
ては、透明樹脂膜３および後述の硬化樹脂とに対して接
着性を有するポリウレタン樹脂等に着色用顔料およびタ
ルク、ケイソウ土等の体質顔料を混合した樹脂液が用い
られ、その色彩は後述の素材表面の色彩模様や製品化粧
板の仕上シ状態や製品用途などによって適宜法められる
。Then, as shown in FIG. 3, the coloring material 4 is applied only to the convex portions of the uneven surface of the transparent resin film 3. As the coloring material 4, a resin liquid is used in which a coloring pigment and an extender pigment such as talc or diatomaceous earth are mixed with a polyurethane resin or the like that has adhesive properties to the transparent resin film 3 and the cured resin described below. The color is determined as appropriate depending on the color pattern of the surface of the material, the finish condition of the product decorative board, the product use, etc., which will be described later.

着色材４の付着方法としては、例えば第を図に示すよう
に１スクリーン印刷などに用いられるスクリーン５を用
意し、このスクリーン５の全面に上記着色材４をペタ塗
シし、このスクリーン５をロール６などを用いて透明樹
脂膜３の凹凸面に軽く押し付ける方法がある。これによ
りスクリーン５に付着し【いた着色材４が凸部表面にの
み付着する。スクリーン５の押し付は度合によシ、着色
材４の付着部分が変化し、色彩模様に変化をもたらす。As a method of applying the coloring material 4, for example, as shown in the figure, a screen 5 used for one-screen printing is prepared, the coloring material 4 is applied over the entire surface of this screen 5, and this screen 5 is There is a method of lightly pressing the transparent resin film 3 against the uneven surface using a roll 6 or the like. As a result, the coloring material 4 that had adhered to the screen 5 adheres only to the surface of the convex portion. Depending on the degree of pressing of the screen 5, the portion to which the coloring material 4 is attached changes, resulting in a change in the color pattern.

一方、これとは別Ｋｍｊ図に示した素材７を用意する。On the other hand, a material 7 shown in a separate Kmj diagram is prepared.

これは、一般のラワン合板、パーチクルボートなどから
なる合板８０表面忙天然木材１の色彩模様を印刷した木
目印刷紙９が貼〕合わされたものである。そして、この
素材７は図示のように木目印刷紙９０表面に硬化性樹脂
液１０が塗布されている。この硬化性樹脂液１０として
は、液状不飽和ポリエステル樹脂、液状ジアリルフタレ
ート樹脂、液状エポキシ樹脂などの無溶剤型の架橋性合
成樹脂の未硬化状態の液状物が用いられ、特に透明ない
し半透明のものが好ましい。この硬化性樹脂液１０の塗
布厚さはａ３〜０．！；ｗｓが好ましい。This is made of plywood 80 made of general lauan plywood, particle board, etc., and wood grain printing paper 9 on which the color pattern of natural wood 1 is printed is laminated to the surface of plywood 80. As shown in the figure, this material 7 has a hardening resin liquid 10 applied to the surface of a wood grain printing paper 90. As the curable resin liquid 10, an uncured liquid of a solvent-free crosslinkable synthetic resin such as a liquid unsaturated polyester resin, a liquid diallyl phthalate resin, or a liquid epoxy resin is used. Preferably. The coating thickness of this curable resin liquid 10 is a3 to 0. ! ;ws is preferred.

ついで、硬化性樹脂液１０が硬化しないうちに１第６図
に示すようＫこの硬化性樹脂液１０上に、透明樹脂膜３
および着色材４が形成された型２を透明樹脂膜３の凹凸
模様と木目印刷紙９の色彩模様とを位置合せしたうえ重
ねる。この際素材７の一側方に硬化性樹脂液１０を条目
に流し、型２をまず樹脂液１０？：流した部分に重ね、
ローラで型２を軽く押圧して型２を順次他側方側へと重
ねてゆくと、型２と樹脂液１０との界面に気泡を巻き込
むことがなく、作業も行いやすく、能率もよい。Then, before the curable resin liquid 10 has hardened, a transparent resin film 3 is coated on the curable resin liquid 10 as shown in FIG.
Then, the mold 2 on which the coloring material 4 has been formed is overlapped after the uneven pattern of the transparent resin film 3 and the color pattern of the wood grain printing paper 9 are aligned. At this time, the curable resin liquid 10 is poured on one side of the material 7, and the mold 2 is first poured with the resin liquid 10? :Put it on the washed part,
When the molds 2 are pressed lightly with rollers and the molds 2 are successively stacked on the other side, air bubbles are not drawn into the interface between the mold 2 and the resin liquid 10, making the work easier and more efficient.

硬化性樹脂液１０が十分硬化すると、透明樹脂膜３、着
色材４、硬化性樹脂液１０および木材７とが接着一体化
し、型２を透明樹脂膜３から剥離することができ、第７
図に示すような目的の化粧板１１が得られる。When the curable resin liquid 10 is sufficiently cured, the transparent resin film 3, the coloring material 4, the curable resin liquid 10, and the wood 7 are adhesively integrated, and the mold 2 can be peeled off from the transparent resin film 3.
The desired decorative board 11 as shown in the figure is obtained.

かくして得られた化粧板１１は、木目印刷紙９の色彩模
様、着色材４による色彩模様および透明樹脂膜３の凹凸
模様の組合せによシ、天然木材１の質感を具えたものと
なる。特に、微細な導管跡などの色彩模様が着色材４に
よって表わすことが可能になり、著るしく鮮鋭に再現さ
れ、天然木材ｌの風合を忠実に現出できる。The thus obtained decorative board 11 has the texture of natural wood 1 due to the combination of the color pattern of the wood grain printing paper 9, the color pattern of the coloring material 4, and the uneven pattern of the transparent resin film 3. In particular, color patterns such as minute conduit traces can be expressed by the coloring material 4 and are reproduced with remarkable sharpness, making it possible to faithfully express the texture of natural wood l.

〔作用〕[Effect]

このような製法によれば、予め型２の上に透明樹脂膜３
および着色材４１に形成しておき、これを素材７上の硬
化性樹脂液１０に押し付けるだけでよいので、工程数が
少なくなる。％に、型２の凸部に着色剤４を予め付着し
ておけるので、従来法の着色材全面塗布、ワイピング除
去の２工程が、ここでは／工程とすることができる。ま
た、各工程の自動化が可能となる。さらに、型２に透明
樹脂膜３と着色材４を形成しておくので、素材７に薄い
シート状のものを用いることもできる。According to such a manufacturing method, a transparent resin film 3 is formed on the mold 2 in advance.
It is only necessary to form the colored material 41 and press it onto the curable resin liquid 10 on the material 7, which reduces the number of steps. %, since the coloring agent 4 can be applied in advance to the convex portions of the mold 2, the conventional two steps of applying the coloring agent to the entire surface and removing it by wiping can be reduced to a single step here. Additionally, each process can be automated. Furthermore, since the transparent resin film 3 and the coloring material 4 are formed on the mold 2, a thin sheet-like material can also be used as the material 7.

〔その他の実施例〕[Other Examples]

第３図に示すように、型２上に透明樹脂膜３および着色
材４を形成したのち、さらにこの上に薄く硬化性樹脂液
１０を塗布したものを作成し、これを硬化性樹脂液１０
が塗布された素材７に重ねてもよい。この方法によれば
、薄層の硬化性樹脂液１０の硬化物によって、凸部忙付
着している着色材４が保護され、取扱いが容易となって
好ましい。As shown in FIG. 3, after forming a transparent resin film 3 and a coloring material 4 on a mold 2, a thin layer of curable resin liquid 10 is further applied thereon.
It may be layered on the material 7 coated with. According to this method, the coloring material 4 adhering to the convex portions is protected by the thin layer of the cured product of the curable resin liquid 10, and the handling becomes easy, which is preferable.

また、以上の実施例では、素材７として合板８表面に木
目印刷紙９を貼シ合わせたものを用いたが、これに限ら
ず合板８に直接色彩模様を印刷したものや、耐燃性を付
与するため台板８に薄鉄板を貼り、これにチタン紙など
を貼り、これに色彩模様を印刷したものや、台板８にチ
タン紙などを貼り、この表面に感光層を形成し写真発色
処理によって色彩模様を形成したものなどを適宜用いる
ことができる。In the above embodiments, the material 7 used was a plywood 8 surface with wood grain printing paper 9 pasted on, but the material is not limited to this. In order to do this, a thin iron plate is attached to the base plate 8, titanium paper or the like is attached to this, and colored patterns are printed on this, or titanium paper or the like is attached to the base plate 8, a photosensitive layer is formed on this surface, and photographic coloring processing is performed. A material with a colored pattern formed thereon can be used as appropriate.

〔発明の効果〕〔Effect of the invention〕

以上説明したようＫこの発明の化粧板の製法は、天然木
材の表面の凹凸模様が賦型された型の凹凸面に透明樹脂
膜を形成し、この透明樹脂膜の凸部にのみ着色材を付着
せしめ、これを天然木材の表面の色彩模様が形成され、
硬化性樹脂液が塗布された素材上に押し当てるものであ
る。よって、この製法によれば、天然木材に砥めて近い
風合や質感を有する化粧板が得られるとともに１従来法
に比べて製造工程が削減され、製造コストの低減が図ら
れる。°また、台板にシート状の薄物を用いることが可
能となシ、この製法の適用範囲の拡大をも図ることがで
きる。As explained above, the method for manufacturing a decorative board of the present invention involves forming a transparent resin film on the uneven surface of a mold in which an uneven pattern is formed on the surface of natural wood, and applying a coloring agent only to the convex portions of this transparent resin film. This creates a colored pattern on the surface of the natural wood.
It is pressed onto a material coated with a curable resin liquid. Therefore, according to this manufacturing method, a decorative board having a polished texture and texture similar to that of natural wood can be obtained, and the number of manufacturing steps is reduced compared to the conventional method, leading to a reduction in manufacturing costs. Further, since it is possible to use a sheet-like thin material for the base plate, the scope of application of this manufacturing method can be expanded.

【図面の簡単な説明】[Brief explanation of drawings]

第１図ないし第７図はこの発明の化粧板の製法の一例を
工程順に示した概略断面図、 第３図は、この発明の製法の他の例の部分工程を示した
概略断面図でろる。 １・・・・・・天然木材、２・・・・・・型、３・曲・
透明樹脂膜、４・・・・・・着色材、７・・・・・・素
材、９・・四本目印刷紙、ｌＯ・・・・・・硬化性樹脂
液、１１・・曲化粧板。 第１図 第２図 第３図 第５図 第６図Figures 1 to 7 are schematic cross-sectional views showing an example of the manufacturing method of a decorative laminate of the present invention in the order of steps, and Figure 3 is a schematic cross-sectional view showing partial steps of another example of the manufacturing method of the present invention. . 1...Natural wood, 2...Model, 3.Curve...
Transparent resin film, 4... Coloring material, 7... Material, 9... Fourth printing paper, lO... Curing resin liquid, 11... Curved decorative board. Figure 1 Figure 2 Figure 3 Figure 5 Figure 6

Claims (2)

【特許請求の範囲】[Claims] （１）天然木材の凹凸模様が賦型された型の凹凸面に透
明樹脂膜を形成し、 この透明樹脂膜の凸部にのみ着色材を付着せしめ、 これを天然木材の色彩模様が形成され、硬化性樹脂液が
この色彩模様上に塗布された素材上に押し当てることを
特徴とする化粧板の製法。(1) A transparent resin film is formed on the uneven surface of the mold on which the uneven pattern of natural wood has been formed, and a coloring material is applied only to the convex parts of this transparent resin film, and this is used to form the colored pattern of natural wood. , a method for producing a decorative board, characterized in that a curable resin liquid is pressed onto a material coated with a color pattern. （２）上記型に透明樹脂膜および着色材を形成したのち
、この上に上記硬化性樹脂液を塗布し、ついでこれを上
記素材上に押し当てることを特徴とする特許請求の範囲
第１項記載の化粧板の製法。(2) After forming a transparent resin film and a coloring material on the mold, the curable resin liquid is applied thereon, and then this is pressed onto the material, as claimed in claim 1. The manufacturing method of the decorative board described.