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JP5882269B2 - Wood veneer - Google Patents
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JP5882269B2 - Wood veneer - Google Patents

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JP5882269B2
JP5882269B2 JP2013177830A JP2013177830A JP5882269B2 JP 5882269 B2 JP5882269 B2 JP 5882269B2 JP 2013177830 A JP2013177830 A JP 2013177830A JP 2013177830 A JP2013177830 A JP 2013177830A JP 5882269 B2 JP5882269 B2 JP 5882269B2
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JP2015044381A (en
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木村 重夫
重夫 木村
大西 正人
正人 大西
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日本デコラックス株式会社
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Description

本発明は、家具や壁面などの表面に配される化粧板に関し、特に木目模様を呈する木質化粧板に関する。   The present invention relates to a decorative board arranged on the surface of furniture, a wall surface, etc., and particularly to a wooden decorative board exhibiting a wood grain pattern.

従来から、テーブル、洗面台カウンター、壁などの家具や建材の天面ないし表面には、意匠性を向上するための化粧板が貼着されている。中でも、木材の風合いを呈し、温かみや柔らかい印象を与える木目調(木質模様)を有する化粧板も人気が高い。このような木質化粧板としては、例えば下記特許文献1や特許文献2がある。特許文献1や特許文献2では、挽材や合板などの基材(芯材)の表面に、木質薄板からなる化粧板が接着剤を介して貼着されている。   2. Description of the Related Art Conventionally, a decorative board for improving design is attached to the top surface or the surface of furniture and building materials such as a table, a washbasin counter, and a wall. Among them, a decorative board having a wood grain (woody pattern) that gives a warm and soft impression with a texture of wood is also popular. Examples of such a wood decorative board include the following Patent Document 1 and Patent Document 2. In Patent Document 1 and Patent Document 2, a decorative board made of a thin wood plate is attached to the surface of a base material (core material) such as a sawn timber or plywood via an adhesive.

特開2005−47164号公報JP-A-2005-47164 特開2005−178254号公報JP 2005-178254 A

しかしながら、特許文献1や特許文献2のように、従来では基材の表面に薄肉な化粧板を貼着していた。これでは、基材寸法に合わせて化粧板を裁断する作業や、貼着作業などが煩雑であった。さらに、例えばテーブルやキッチンカウンターの天板など、その周面も外部に露呈されるような場合は、基材の周面にも化粧板を貼着する必要があり、さらに手間を要する。   However, like patent document 1 and patent document 2, conventionally, the thin decorative board was stuck on the surface of the base material. In this case, the work of cutting the decorative plate in accordance with the substrate size, the sticking work, and the like are complicated. Furthermore, for example, when the peripheral surface of the table or kitchen counter top is exposed to the outside, it is necessary to attach a decorative plate to the peripheral surface of the base material, which requires more work.

しかも、木質化粧板を使用する場合、基材の周面には年輪のような木質積層模様を有する化粧板を貼着する必要がある。すなわち、基材の表面に貼着する木目模様の化粧板と、年輪のような木質積層模様を有する、基材の周面に貼着するための化粧板との、二種類が必要となる。この場合、従来では、周面用の化粧板には、その表面に木質積層模様を印刷した化粧紙を積層するしかなかった。これでは、多種多様なバリエーションの木質積層模様を得るためには、予めそれに応じた化粧紙を多数種用意する必要があるという問題も有する。   And when using a wooden decorative board, it is necessary to stick the decorative board which has a wooden laminated pattern like an annual ring on the surrounding surface of a base material. That is, two types are required: a decorative board with a wood grain pattern to be attached to the surface of the base material, and a decorative board to be attached to the peripheral surface of the base material having a woody laminated pattern such as annual rings. In this case, conventionally, the decorative sheet for the peripheral surface has only been laminated with decorative paper having a wooden laminate pattern printed on the surface thereof. In this case, in order to obtain a wide variety of woody laminated patterns, there is a problem that it is necessary to prepare a large number of decorative papers corresponding thereto.

そこで本発明は、上記課題を解決するものであって、周面に年輪のような木質積層模様を有し、且つ当該木質積層模様の多様な設計変更も容易な、基材に貼着する必要のない木質化粧板を提供することを目的とする。   Therefore, the present invention solves the above-described problem, and has a wooden laminated pattern such as an annual ring on the peripheral surface, and it is necessary to adhere to a base material that can easily change various designs of the wooden laminated pattern. An object is to provide a wood-like decorative board without the above.

そのための手段として、本発明の木質調化粧板は、木目模様が印刷された化粧紙からなる化粧層を表面に有し、該化粧層の内層側には、全光線透過率30〜90%の半透明層と、全光線透過率30%未満の有色層とを複数積層して、周面に木質積層模様が発現している点に特徴を有する。なお、本発明において数値範囲を示す「○○〜××」とは、その上限及び下限を含む意味であり、正確に示せば「○○以上××以下」を意味する。   As a means for that, the woody decorative board of the present invention has a decorative layer made of decorative paper printed with a wood grain pattern on the surface, and the inner layer side of the decorative layer has a total light transmittance of 30 to 90%. A plurality of semi-transparent layers and a colored layer having a total light transmittance of less than 30% are laminated, and a wood laminate pattern is developed on the peripheral surface. In the present invention, “OO to XX” indicating a numerical range means including an upper limit and a lower limit, and more accurately means “XX or more and XX or less”.

また、別形態の木質化粧板として、前記半透明層と有色層に加えて、さらに、前記半透明層または前記有色層のいずれか一方または双方の少なくとも一部の層を挟持するように、全光線透過率が30%未満の界面強調層が設けられている木質調化粧板も提供される。   In addition to the translucent layer and the colored layer, as another type of wooden decorative board, in addition to sandwiching at least a part of either or both of the translucent layer and the colored layer, There is also provided a wood-like decorative board provided with an interface enhancement layer having a light transmittance of less than 30%.

ここで、前記半透明層は、灰分3重量%以下の晒しクラフト紙を複数枚積層して構成することができる。   Here, the semi-transparent layer can be constituted by laminating a plurality of bleached kraft papers having an ash content of 3% by weight or less.

一方、前記有色層は、化粧紙、未晒しクラフト紙、または灰分が3重量%を超える晒しクラフト紙を、複数枚積層して構成することができる。   On the other hand, the colored layer can be constructed by laminating a plurality of decorative paper, unbleached kraft paper, or bleached kraft paper having an ash content exceeding 3% by weight.

さらに、前記界面強調層も使用する場合は、化粧紙、未晒しクラフト紙、または灰分が3重量%を超える晒しクラフト紙一枚によって界面強調層とすることができる。   Further, when the interface enhancement layer is also used, the interface enhancement layer can be made of decorative paper, unbleached kraft paper, or one piece of bleached kraft paper having an ash content exceeding 3% by weight.

前記各層を構成する紙としては、それぞれバインダー樹脂が含浸された含浸紙を使用することができる。そして、前記各層は、熱圧成型により一体化することができる。   As the paper constituting each layer, an impregnated paper impregnated with a binder resin can be used. The respective layers can be integrated by hot pressing.

本発明の木質化粧板によれば、表面には従来と同様に木目模様が印刷された化粧層を配しながら、半透明層と有色層、及び必要に応じて界面強調層を積層することで周面に木質積層模様を有するため、基材の表面に貼着するための化粧板と周面に貼着するための化粧板の二種類を用意する必要がない。そもそも、本発明の木質化粧板は表面に木目模様を有し、周面に木質積層模様を有するため、従来のような基材は不要であり、そのままテーブルや洗面台カウンターの天板などとして使用することができる。これにより、従来のような基材に化粧板を貼着するという手間を省くことができる。   According to the woody decorative board of the present invention, a decorative layer printed with a wood grain pattern is arranged on the surface, and a translucent layer, a colored layer, and, if necessary, an interface enhancement layer are laminated. Since the peripheral surface has a wooden laminate pattern, there is no need to prepare two types of decorative plates for adhering to the surface of the substrate and decorative plates for adhering to the peripheral surface. In the first place, the wooden decorative board of the present invention has a wood grain pattern on the surface and a wooden laminated pattern on the peripheral surface, so a conventional base material is unnecessary, and it can be used as a top plate for a table or a washbasin counter as it is. can do. Thereby, the effort of sticking a decorative board to the base material like the past can be saved.

また、本発明の木質化粧板では、半透明層、有色層、及び必要に応じて界面強調層を積層するだけで木質積層模様を発現でき、これらの層の厚み(構成枚数)、積層数、積層パターンなどを変更するだけで、多種多様な木質積層模様を容易に設計することができる。   Moreover, in the wooden decorative board of the present invention, a wooden laminate pattern can be expressed simply by laminating a translucent layer, a colored layer, and, if necessary, an interface enhancement layer. The thickness (number of components) of these layers, the number of laminations, A wide variety of wood laminate patterns can be easily designed simply by changing the laminate pattern.

なお、半透明層は全光線透過率が相対的に高い晒しクラフト紙からなるため、本来的には無色(白色)半透明であるが、その上下に全光線透過率が相対的に低い有色層を積層すると、半透明層に入射された入射光は有色層によって乱反射しながら進行していくことで、半透明層を透過した透過光、すなわち半透明層の色は有色層と同系色となって見えるようになる。このとき、界面強調層を使用しない場合は半透明層と有色層との界面が若干ぼやけ、全体的にも比較的ぼやけた印象の木質積層模様となるが、適所に界面強調層を使用することで、半透明層や有色層の存在がはっきりとし、メリハリのある木質積層模様とすることができる。   The translucent layer is made of exposed kraft paper with a relatively high total light transmittance, so it is essentially colorless (white) translucent, but above and below it is a colored layer with a relatively low total light transmittance. When the layer is stacked, the incident light that has entered the translucent layer travels while being irregularly reflected by the colored layer, so that the transmitted light that has passed through the translucent layer, that is, the color of the translucent layer becomes the same color as the colored layer. It becomes visible. At this time, when the interface enhancement layer is not used, the interface between the semi-transparent layer and the colored layer is slightly blurred, and the overall result is a relatively blurry woody laminate pattern, but the interface enhancement layer should be used in place. Thus, the presence of a translucent layer or a colored layer is clear, and a sharp wooden laminate pattern can be obtained.

実施形態1の基本的構成を示す模式断面図である。1 is a schematic cross-sectional view showing a basic configuration of Embodiment 1. FIG. 半透明層の作用原理を説明する要部拡大断面図である。It is a principal part expanded sectional view explaining the action principle of a semi-transparent layer. 実施形態2の基本的構成を示す模式断面図である。6 is a schematic cross-sectional view showing a basic configuration of Embodiment 2. FIG. 実施例1の概観写真である。2 is an overview photograph of Example 1; 実施例2の概観写真である。2 is an overview photograph of Example 2. 実施例3の概観写真である。6 is an overview photograph of Example 3. 実施例4の概観写真である。6 is an overview photograph of Example 4. 実施例5の概観写真である。6 is an overview photograph of Example 5. 実施例6の概観写真である。10 is an overview photograph of Example 6. 実施例7の概観写真である。10 is an overview photograph of Example 7. 実施例8の概観写真である。10 is an overview photograph of Example 8.

[実施形態1]
まず、界面強調層を使用しない構成の基本的な実施形態について説明する。図1に示すように、本実施形態1の木質化粧板10は、木目模様が印刷された化粧層11と、半透明層12と、有色層13とによって構成されており、化粧層11を表面に配した上で、その内層側に半透明層12と有色層13とを複数積層することで、周面に年輪のような木質積層模様を呈する。
[Embodiment 1]
First, a basic embodiment of a configuration that does not use an interface enhancement layer will be described. As shown in FIG. 1, the wooden decorative board 10 of Embodiment 1 includes a decorative layer 11 on which a wood grain pattern is printed, a translucent layer 12, and a colored layer 13. Then, a plurality of semi-transparent layers 12 and colored layers 13 are laminated on the inner layer side, so that a wooden laminated pattern like an annual ring is presented on the peripheral surface.

(化粧層)
化粧層11は、木目模様が印刷された化粧紙からなる。当該化粧紙は基本的に1枚でよいが、複数枚の化粧紙を積層して化粧層11とすることもできる。その場合、少なくとも最表面の化粧紙のみに木目模様を印刷していればよい。化粧層11は、少なくとも木質化粧板10を家具などに設置した際の外面に相当するおもて表面に配しておけばよいが、必要に応じて裏表面に配すことも好ましい。印刷する木目模様としては、木材を連想する模様であれば特に限定されず、多種多様な模様を任意に印刷していればよい。なお、化粧層11の表面(外面)には、メラミン樹脂やアクリル樹脂などからなるオーバーレイ層(表面保護層)を積層しておくことも好ましい。
(Makeup layer)
The decorative layer 11 is made of decorative paper on which a wood grain pattern is printed. The decorative paper may basically be one sheet, but a plurality of decorative papers may be laminated to form the decorative layer 11. In that case, it is only necessary to print the wood grain pattern on at least the outermost decorative paper. The decorative layer 11 may be disposed on the front surface corresponding to the outer surface when the wooden decorative board 10 is installed on furniture or the like, but is preferably disposed on the back surface as necessary. The wood grain pattern to be printed is not particularly limited as long as it is a pattern associated with wood, and various patterns may be arbitrarily printed. In addition, it is also preferable to laminate | stack the overlay layer (surface protection layer) which consists of a melamine resin, an acrylic resin, etc. on the surface (outer surface) of the decorative layer 11. FIG.

(半透明層)
半透明層12は、全光線透過率が相対的に高いことで、半透明となっている層である。半透明層12の全光線透過率はできるだけ高いことが好ましく、具体的には少なくとも30%以上、好ましくは40%以上、より好ましくは50%以上とする。半透明層12の全光線透過率が30%未満では、入射された光が半透明層12の内部に進入し難く、有色層13と同系色のように見え難くなる(詳細な原理は後述する)。全光線透過率の上限は90%以下であればよい。全光線透過率が90%を超えても上記作用効果は得られるが、全光線透過率を90%より大きくするには製造コストが嵩む。
(Translucent layer)
The translucent layer 12 is a layer that is translucent due to a relatively high total light transmittance. The total light transmittance of the translucent layer 12 is preferably as high as possible, specifically, at least 30% or more, preferably 40% or more, more preferably 50% or more. When the total light transmittance of the translucent layer 12 is less than 30%, it is difficult for incident light to enter the translucent layer 12, and it is difficult to look like a color similar to the colored layer 13 (detailed principle will be described later). ). The upper limit of the total light transmittance may be 90% or less. Even if the total light transmittance exceeds 90%, the above-mentioned effects can be obtained. However, if the total light transmittance is greater than 90%, the manufacturing cost increases.

半透明層12は、晒しクラフト紙を複数枚積層して構成される。晒しクラフト紙の積層枚数は二枚以上であれば特に限定されず、求める半透明層12の厚みに応じて適宜増減すればよい。すなわち、半透明層12の厚みは、晒しクラフト紙の積層枚数によって調整できる。   The translucent layer 12 is configured by laminating a plurality of bleached kraft papers. The number of sheets of bleached kraft paper is not particularly limited as long as it is two or more, and may be appropriately increased or decreased according to the desired thickness of the translucent layer 12. That is, the thickness of the translucent layer 12 can be adjusted by the number of sheets of exposed kraft paper.

半透明層12用の晒しクラフト紙には、灰分が少なくとも3重量%以下、好ましくは2重量%以下、より好ましくは1重量%以下の晒しクラフト紙を使用する。晒しクラフト紙の灰分が3重量%を超えると、全光線透過率が低くなって求められる上記作用効果が得られ難くなくなってしまう。なお、半透明層12は、有色半透明でも無色(白色)半透明でもよいが、無色半透明であることが好ましい。無色半透明であれば、有色層13と同系色となって見える効果が得られ易く、汎用性が高いからである。   As the bleached kraft paper for the translucent layer 12, bleached kraft paper having an ash content of at least 3% by weight or less, preferably 2% by weight or less, more preferably 1% by weight or less is used. If the ash content of the bleached kraft paper exceeds 3% by weight, the total light transmittance becomes low and the above-mentioned action and effect that are required cannot be obtained easily. The translucent layer 12 may be colored translucent or colorless (white) translucent, but is preferably colorless translucent. This is because if it is colorless and translucent, an effect that looks similar to the colored layer 13 is easily obtained, and the versatility is high.

(有色層)
有色層13は、木質積層模様を主体的に構成する層である。したがって、有色層13の全光線透過率はできるだけ低いことが好ましく、具体的には少なくとも30%未満、好ましくは20%以下、より好ましくは15%以下とする。有色層13の全光線透過率が30%以上となると、半透明に近い状態となり、有色層13の色をはっきり認識し難くなるばかりか、半透明層12との違いも小さくなって、木質積層模様が薄れてしまう。
(Colored layer)
The colored layer 13 is a layer that mainly constitutes a wood laminate pattern. Accordingly, the total light transmittance of the colored layer 13 is preferably as low as possible, specifically, at least less than 30%, preferably 20% or less, more preferably 15% or less. When the total light transmittance of the colored layer 13 is 30% or more, it becomes nearly translucent and not only makes it difficult to clearly recognize the color of the colored layer 13, but also the difference from the translucent layer 12 is reduced. The pattern fades.

有色層13の色としては、最終的に木材を連想させ得る色であれば全般的に使用でき、薄茶やこげ茶などの茶系色のみならず、クリーム色、薄黄色、黒褐色、白色なども使用可能である。当該有色層13としては、化粧紙、未晒しクラフト紙、及び/又は晒しクラフト紙を使用できる。化粧紙であれば、そのままでも使用できるが、必要に応じて所定の色を印刷したり顔料を抄き込んでおく。但し、木目模様を印刷する必要はない。一方、未晒しクラフト紙は茶系色であり、晒しクラフト紙は白色系である。但し、有色層13用の晒しクラフト紙には、灰分が少なくとも3重量%を超えるもの、好ましくは5重量%以上、より好ましくは7重量%以上のものを使用する。有色層13用の晒しクラフト紙の灰分が3重量%以下では、半透明に近い状態となって有色層13としては成立し難いからである。   The color of the colored layer 13 can be generally used as long as it is a color reminiscent of wood, and not only tea-based colors such as light brown and dark brown, but also cream, light yellow, black brown, white, etc. It can be used. As the colored layer 13, decorative paper, unbleached kraft paper, and / or bleached kraft paper can be used. If it is a decorative paper, it can be used as it is, but if necessary, a predetermined color is printed or a pigment is incorporated. However, it is not necessary to print the wood grain pattern. On the other hand, unbleached kraft paper has a brown color and bleached kraft paper has a white color. However, the bleached kraft paper for the colored layer 13 has an ash content of at least 3% by weight, preferably 5% by weight or more, more preferably 7% by weight or more. This is because when the ash content of the bleached kraft paper for the colored layer 13 is 3% by weight or less, the colored layer 13 is hardly formed as it is nearly translucent.

(未晒し)クラフト紙は木材パルプを抄造することで得られる。一旦抄造した紙を叩解したのち、再度抄造した再生クラフト紙を使用することもできる。再生クラフト紙の原料としては、新聞、古紙、封筒などを使用できる。晒しクラフト紙は、未晒しクラフト紙を漂白したものである。   (Unbleached) Kraft paper is obtained by making wood pulp. It is also possible to use recycled kraft paper that has been papered once and then papered again. Newspaper, used paper, envelopes, etc. can be used as raw materials for recycled kraft paper. Bleached kraft paper is bleached unbleached kraft paper.

化粧紙、未晒しクラフト紙、灰分3重量%以下の晒しクラフト紙の積層枚数は特に限定されず、一枚〜複数枚を求める有色層13の厚みに応じて適宜増減すればよい。すなわち、有色層13の厚みは、これらの紙の積層枚数によって調整できる。なお、前記紙を複数枚積層して1つの有色層とすれば、その存在を目立たせ易い。1つの有色層13は、基本的には化粧紙、未晒しクラフト紙、又は灰分3重量%以下の晒しクラフト紙のみによって構成することが好ましいが、1つの有色層13内にこれらの各紙を混用することもできる。   The number of laminated decorative paper, unbleached kraft paper, and bleached kraft paper having an ash content of 3% by weight or less is not particularly limited, and may be appropriately increased or decreased according to the thickness of the colored layer 13 for which one to plural sheets are desired. That is, the thickness of the colored layer 13 can be adjusted by the number of these papers stacked. It should be noted that if a plurality of sheets of paper are laminated to form a single colored layer, the presence thereof is easily noticeable. It is preferable that one colored layer 13 is basically composed only of decorative paper, unbleached kraft paper, or bleached kraft paper having an ash content of 3% by weight or less, but each of these papers is mixed in one colored layer 13 You can also

(木質積層模様)
木質化粧板10周面の木質積層模様は、半透明層12と有色層13とを適宜組み合わせることよって、多種多様な模様を容易に設計できる。具体的には、半透明層12や有色層13の厚み、半透明層12と有色層13との積層パターンや積層数、使用する有色層13の色などを適宜変更すればよい。各有色層13の色は全て同一でも良いし、それぞれ異なっていてもよい。なお、図1に示す積層模様は、多様な模様のうちのほんの一例である。
(Woody laminated pattern)
The wood laminate pattern on the circumferential surface of the wood decorative board 10 can be easily designed in a wide variety of patterns by appropriately combining the translucent layer 12 and the colored layer 13. Specifically, the thickness of the semi-transparent layer 12 and the colored layer 13, the lamination pattern and the number of laminations of the semi-transparent layer 12 and the colored layer 13, the color of the colored layer 13 to be used, and the like may be appropriately changed. All the colors of the colored layers 13 may be the same or different. The laminated pattern shown in FIG. 1 is just an example of various patterns.

半透明層12と有色層13とを積層すると、半透明層12は有色層13と同系色となって見える。その原理を、図2を用いて説明する。木質化粧板10に外部から光が当たると、全光線透過率が高いことで半透明な半透明層12内に光は進入可能であるが、全光線透過率が低く不透明な有色層13内には進入できず反射される。このとき、半透明層12に入射された入射光Lは、半透明層12の内部において上下の有色層13で反射され、乱反射を繰り返しながら進行していく。これにより、半透明層12を透過した透過光Lが有色層13と同系色のようになり、半透明層12の色が有色層13と同系色となって見えることになる。このように、わざわざ半透明層12を使用することで、有色層13のみでは形成することのできない独特な印象の木質積層模様を形成することができる。なお、本実施形態1の木質化粧板10は、周面に木質積層模様を有するため、従来のような基材(芯材)や周面用の化粧板は不要である。 When the translucent layer 12 and the colored layer 13 are laminated, the translucent layer 12 appears to have the same color as the colored layer 13. The principle will be described with reference to FIG. When the wooden decorative board 10 is exposed to light from the outside, the light can enter the translucent semi-transparent layer 12 due to the high total light transmittance, but the colored light layer 13 has a low total light transmittance and is opaque. Cannot enter and is reflected. At this time, the incident light L 1 incident on the semi-transparent layer 12 is reflected by the upper and lower color layer 13 in the inside of the semi-transparent layer 12, it progresses while repeating irregular reflection. As a result, the transmitted light L 2 transmitted through the semitransparent layer 12 becomes similar in color to the colored layer 13, and the color of the semitransparent layer 12 appears to be similar in color to the colored layer 13. In this way, by using the semi-transparent layer 12, it is possible to form a woody laminated pattern having a unique impression that cannot be formed only by the colored layer 13. In addition, since the wooden decorative board 10 of this Embodiment 1 has a wooden laminated pattern in a surrounding surface, the conventional base material (core material) and the decorative board for peripheral surfaces are unnecessary.

(木質化粧板の製造方法)
木質化粧板10は、メラミン樹脂やフェノール樹脂などの熱硬化性樹脂、またはアクリル樹脂などの熱可塑性樹脂をバインダー樹脂として熱圧成形することで、化粧層11、半透明層12、及び有色層13をそれぞれ互いに一体化させることで得られる。このとき、バインダー樹脂は、各層を構成する紙を重ね合わせる際に当該各紙の表面に塗布してもよいし、各紙を重ね合わせた積層体をバインダー樹脂へ浸漬することもできるが、好ましくは、各層を構成する紙のそれぞれに、予めバインダー樹脂を含浸させておく。すなわち、各層を構成する紙としては、それぞれ予めバインダー樹脂が含浸された含浸紙を使用することが好ましい。この場合、各含浸紙を所定パターンで積層するだけで、そのまま熱圧成形することができる。
(Manufacturing method of wooden decorative board)
The wooden decorative board 10 is formed by thermo-pressing a thermosetting resin such as a melamine resin or a phenol resin, or a thermoplastic resin such as an acrylic resin as a binder resin, so that the decorative layer 11, the translucent layer 12, and the colored layer 13 are formed. Can be obtained by integrating them with each other. At this time, the binder resin may be applied to the surface of each paper when the paper constituting each layer is overlaid, or the laminate on which the paper is overlaid can be immersed in the binder resin, preferably, Each paper constituting each layer is impregnated with a binder resin in advance. That is, as the paper constituting each layer, it is preferable to use an impregnated paper impregnated with a binder resin in advance. In this case, the hot-press molding can be performed as it is by simply laminating each impregnated paper in a predetermined pattern.

[実施形態2]
図3に、本発明の実施形態2を示す。本実施形態2の木質化粧板20も、木目模様が印刷された化粧紙からなる化粧層21を表面に有し、当該化粧層21の内層側に、半透明層22と有色層23とを複数積層している基本的構成は、先の実施形態1と同様であり、これら化粧層21、半透明層22、有色層23については、実施形態1の化粧層11、半透明層12、有色層13とそれぞれ同様なので、その説明を省略する。一方、実施形態1と異なる点として、本実施形態2の木質化粧板20では、さらに界面強調層24を適所に積層している点に大きな特徴を有する。具体的には、複数ある半透明層12及び有色層13のうち少なくともいずれか一層を上下から挟持するように、界面強調層24が配されている。
[Embodiment 2]
FIG. 3 shows a second embodiment of the present invention. The wood decorative board 20 of the second embodiment also has a decorative layer 21 made of decorative paper printed with a wood grain pattern on the surface, and a plurality of translucent layers 22 and colored layers 23 are provided on the inner layer side of the decorative layer 21. The basic structure laminated is the same as that of the first embodiment, and the decorative layer 21, the semitransparent layer 22, and the colored layer 23 are the decorative layer 11, the semitransparent layer 12, and the colored layer of the first embodiment. 13 and the description thereof is omitted. On the other hand, as a point different from the first embodiment, the wood decorative board 20 of the second embodiment is further characterized in that the interface enhancement layer 24 is further laminated in place. Specifically, the interface enhancement layer 24 is disposed so as to sandwich at least one of the plurality of translucent layers 12 and colored layers 13 from above and below.

(界面強調層)
界面強調層24は、一枚の、化粧紙、未晒しクラフト紙、または灰分が3重量%を超える晒しクラフト紙によって構成される。当該化粧紙、未晒しクラフト紙、灰分3重量%超の晒しクラフト紙については、先の実施形態1と同様である。
(Interface enhancement layer)
The interface enhancement layer 24 is composed of a piece of decorative paper, unbleached kraft paper, or bleached kraft paper having an ash content of more than 3% by weight. The decorative paper, unbleached kraft paper, and bleached kraft paper with an ash content of more than 3% by weight are the same as in the first embodiment.

界面強調層24は、複数ある半透明層22及び/又は有色層23のうち、少なくとも1つの層、一部の複数層、または全ての各層を挟持するように、半透明層22及び/又は有色層23の上下に積層する。半透明層22及び/又は有色層23の片面のみに配した場合は有色層である。なお、図3に示す積層模様は、多様な模様のうちのほんの一例である。   The interfacial enhancement layer 24 includes the translucent layer 22 and / or the colored layer so as to sandwich at least one layer, some of the plurality of layers, or all of the plurality of translucent layers 22 and / or colored layers 23. The layers 23 are stacked above and below. When arranged only on one side of the translucent layer 22 and / or the colored layer 23, it is a colored layer. Note that the laminated pattern shown in FIG. 3 is just an example of various patterns.

界面強調層24も、全光線透過率はできるだけ低いことが好ましく、具体的には少なくとも30%未満、好ましくは20%以下、より好ましくは15%以下とする。有色層13の全光線透過率が30%以上となると、当該界面強調層24の光透過量が多くなってしまい、これによる作用効果が得られ難くなる。   The interface enhancement layer 24 also preferably has a total light transmittance as low as possible, specifically at least less than 30%, preferably not more than 20%, more preferably not more than 15%. When the total light transmittance of the colored layer 13 is 30% or more, the light transmission amount of the interface enhancement layer 24 increases, and it is difficult to obtain the operational effect.

界面強調層24を木質化粧板20の適所に積層すると、その部分での半透明層22と有色層23との界面がくっきりする。これにより、実施形態1とは異なる印象の木質積層模様を発現することができる。なお、界面強調層24は一枚の紙によって構成されるので、基本的には木質積層模様全体でみるとその存在は視認し難いが、他の層との相対的な色合いによっては、界面強調層24をはっきり視認できることもある。この場合、界面強調層24も木質積層模様の一部を構成しており、その意味において有色層23を兼ねることもできる。   When the interface emphasizing layer 24 is laminated at an appropriate position on the woody decorative board 20, the interface between the translucent layer 22 and the colored layer 23 at that portion becomes clear. Thereby, the woody laminated pattern of the impression different from Embodiment 1 can be expressed. Since the interface enhancement layer 24 is composed of a single sheet of paper, the presence of the interface enhancement layer 24 is basically difficult to see when viewed from the entire wood laminate pattern, but depending on the relative hue with the other layers, the interface enhancement layer 24 The layer 24 may be clearly visible. In this case, the interface enhancement layer 24 also constitutes a part of the wood laminate pattern, and can also serve as the colored layer 23 in that sense.

[木質化粧板の適用例]
本発明の木質化粧板は、従来のような基材(芯材)は不要であり、そのままテーブル、洗面台カウンター、及びキッチンカウンターなどの天板として適用可能であり、また、壁面や扉などの建材の表面に配すことができる。
[Examples of application of wood veneer]
The woody decorative board of the present invention does not require a conventional base material (core material), and can be applied as a top board for a table, a washbasin counter, a kitchen counter, etc. Can be placed on the surface of building materials.

以下に、本発明の具体的な実施例について説明するが、これに限られることはなく、本発明の要旨を逸脱しない範囲で、種々の変更が可能である。   Hereinafter, specific examples of the present invention will be described, but the present invention is not limited thereto, and various modifications can be made without departing from the gist of the present invention.

半透明層、有色層、界面強調層として、それぞれ表1〜4に示す紙を使用し、各層を表1〜4に示すパターンで積層した。なお、各層用の紙は、それぞれ予めバインダー樹脂としてメラミン樹脂を含浸させた含浸紙としている。化粧層には、一枚のメラミン樹脂含有化粧紙を使用し、各木質化粧板の表裏両面に配した。さらに、表裏両表面の化粧層は、メラミン樹脂からなるオーバーレイ層によって被覆した。なお、表1〜4には、化粧層の内層側の積層パターンのみ示している。すなわち、表1〜4には化粧層は記載していない。各木質化粧板は、各層を所定のパターンで積層した積層体を、プレス面の温度145℃、プレス面の圧力8Mpa、熱圧時間60分間にて板状に熱圧成形した。また、得られた各木質化粧板の外観写真を図4〜11に示す。なお、実施例1と実施例2、実施例3と実施例4、実施例5と実施例6、及び実施例7と実施例8とは、それぞれ基本的積層パターンが共通しており、互いに対応する木質積層模様を有する。   As the translucent layer, the colored layer, and the interface enhancement layer, the papers shown in Tables 1 to 4 were used, and the layers were laminated in the patterns shown in Tables 1 to 4. The paper for each layer is impregnated paper that is impregnated with melamine resin as a binder resin in advance. A single melamine resin-containing decorative paper was used for the decorative layer, and was placed on both the front and back sides of each wooden decorative board. Further, the decorative layers on both the front and back surfaces were covered with an overlay layer made of melamine resin. In Tables 1 to 4, only the laminated pattern on the inner layer side of the decorative layer is shown. That is, Tables 1 to 4 do not describe the decorative layer. Each wooden decorative board was formed by hot pressing a laminated body in which each layer was laminated in a predetermined pattern into a plate shape at a press surface temperature of 145 ° C., a press surface pressure of 8 Mpa, and a hot press time of 60 minutes. Moreover, the external appearance photograph of each obtained wooden decorative board is shown to FIGS. In addition, Example 1 and Example 2, Example 3 and Example 4, Example 5 and Example 6, and Example 7 and Example 8 have a common basic lamination pattern, respectively, and correspond to each other. It has a wood laminate pattern.

図4〜11の結果から明らかなように、半透明層と有色層とを複数積層することで、木質化粧板の周面に木質積層模様を発現させることができた。また、所定箇所に界面強調層も積層することで、各層の界面がはっきりし、シャープな印象の木質積層模様となることが確認された。   As is clear from the results of FIGS. 4 to 11, it was possible to develop a wooden laminate pattern on the peripheral surface of the wooden decorative board by laminating a plurality of translucent layers and colored layers. It was also confirmed that the interface enhancement layer was laminated at a predetermined location, whereby the interface of each layer was clear and the woody laminate pattern was sharp.

10・20 木質化粧板
11・21 化粧層
12・22 半透明層
13・23 有色層
24 界面強調層

10/20 Wood veneer 11/21 Makeup layer 12/22 Translucent layer 13/23 Colored layer 24 Interface enhancement layer

Claims (3)

木目模様が印刷された化粧紙からなる化粧層を表面に有し、
前記化粧層の内層側に、全光線透過率30〜90%の半透明層と、全光線透過率30%未満の有色層とを複数積層して、周面に木質積層模様を発現させた、木質調化粧板。
Has a decorative layer on the surface made of decorative paper printed with a wood grain pattern,
On the inner layer side of the decorative layer, a plurality of semi-transparent layers having a total light transmittance of 30 to 90% and a colored layer having a total light transmittance of less than 30% were laminated, and a wooden laminate pattern was expressed on the peripheral surface. Wood-like decorative board.
前記半透明層は、灰分3重量%以下の晒しクラフト紙を複数枚積層してなる、請求項1に記載の木質調化粧板。   The wooden translucent board according to claim 1, wherein the translucent layer is formed by laminating a plurality of bleached kraft papers having an ash content of 3% by weight or less. 前記有色層は、化粧紙、未晒しクラフト紙、または灰分が3重量%を超える晒しクラフト紙を複数枚積層してなる、請求項1または請求項2に記載の木質調化粧板。

3. The woody decorative board according to claim 1, wherein the colored layer is formed by laminating a plurality of sheets of decorative paper, unbleached kraft paper, or bleached kraft paper having an ash content exceeding 3 wt%.

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JPH0442829A (en) * 1990-06-08 1992-02-13 Kaoru Umeya Glass material having grain pattern
JPH0516314A (en) * 1991-07-11 1993-01-26 Dainippon Printing Co Ltd Thermosetting resin decorative board
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