JP2595439B2 - Decorative board - Google Patents

Decorative board

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Publication number
JP2595439B2
JP2595439B2 JP5047263A JP4726393A JP2595439B2 JP 2595439 B2 JP2595439 B2 JP 2595439B2 JP 5047263 A JP5047263 A JP 5047263A JP 4726393 A JP4726393 A JP 4726393A JP 2595439 B2 JP2595439 B2 JP 2595439B2
Authority
JP
Japan
Prior art keywords
specific gravity
coating
adhesive
layer
decorative
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP5047263A
Other languages
Japanese (ja)
Other versions
JPH06238820A (en
Inventor
多 富 泰 本
Original Assignee
株式会社ノダ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社ノダ filed Critical 株式会社ノダ
Priority to JP5047263A priority Critical patent/JP2595439B2/en
Publication of JPH06238820A publication Critical patent/JPH06238820A/en
Application granted granted Critical
Publication of JP2595439B2 publication Critical patent/JP2595439B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は化粧板、特に中比重繊維
板よりなる基板の表面に任意化粧シート状物が貼着され
た化粧板に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative board, and more particularly to a decorative board in which an arbitrary decorative sheet is adhered to a surface of a substrate made of a medium-density fiberboard.

【0002】[0002]

【従来の技術】中比重繊維板は、比重が0.4〜0.8
であって比較的軽量でありながら、強度特性に優れ、ま
た加工性も良好であることから、必要に応じて任意化粧
を施して、建築材として使用されている。
2. Description of the Related Art Medium specific gravity fiberboard has a specific gravity of 0.4 to 0.8.
However, since it is relatively lightweight, it has excellent strength properties and good workability, it is used as a building material after being subjected to optional makeup as required.

【0003】中比重繊維板は、例えば乾式法によるとき
は、広葉樹または針葉樹材を解繊して得られる木質繊維
に接着剤を塗布し、これをフォーミングし仮圧締して繊
維マットとし、この繊維マットを一定寸法に裁断して定
尺マットとした後、加熱圧締することによって得られ
る。
[0003] In the case of the medium specific gravity fiberboard, for example, when a dry method is used, an adhesive is applied to wood fibers obtained by defibrating hardwood or softwood, and this is formed and temporarily pressed to form a fiber mat. It is obtained by cutting a fiber mat into a fixed size to obtain a fixed-size mat, and then heating and pressing.

【0004】[0004]

【発明が解決しようとする課題】中比重繊維板は、木質
繊維同士の絡み合いおよび接着剤の固化によって板状体
を構成するものであるため、表面が弱く、ポーラスであ
る。したがって、中比重繊維板の表面に接着剤を介して
化粧シート状物を貼着した場合、十分な接着力が得られ
ず、層間剥離を起こしやすいという欠点があった。
The medium-density fiberboard has a weak surface and is porous because it forms a plate-like body by entanglement of wood fibers and solidification of an adhesive. Therefore, when a decorative sheet is adhered to the surface of a medium-density fiberboard via an adhesive, there is a defect that sufficient adhesive strength cannot be obtained and delamination tends to occur.

【0005】本発明はこの欠点を解消し、化粧シート状
物との接着力が向上された化粧板を提供しようとするも
のである。
An object of the present invention is to solve the above-mentioned drawbacks and to provide a decorative board having an improved adhesive strength to a decorative sheet.

【0006】[0006]

【課題を解決するための手段】上記目的を達成するため
に鋭意工夫の末に完成した本発明は、全体比重が0.4
〜0.8であって少なくとも表面に比重の高い硬質層が
厚さ0.3〜0.5mmに設けられた中比重繊維板を基
板とし、該硬質層上に接着剤を介して化粧シート状物を
貼着し、更にその表面に上塗り透明塗料による塗膜層を
形成してなることを特徴とする化粧板である。
Means for Solving the Problems The present invention, which has been devised in order to achieve the above object, has an overall specific gravity of 0.4.
0.8 to at least a hard layer with high specific gravity on the surface
A medium-density fiberboard provided with a thickness of 0.3 to 0.5 mm is used as a substrate, a decorative sheet is stuck on the hard layer via an adhesive, and a coating film of a topcoating transparent paint is applied on the surface thereof. It is a decorative plate characterized by forming a layer.

【0007】中比重繊維板は全体比重が0.4〜0.8
であって軽量性、作業性、取扱性に優れるが、その片面
または両面には、比重の高い硬質層が露出形成される。
この硬質層は0.8〜1.4の比重であり、0.3〜
0.5mm程度の層厚を有する。
The medium specific gravity fiberboard has an overall specific gravity of 0.4 to 0.8.
Although it is excellent in light weight, workability, and handleability, a hard layer having a high specific gravity is exposed on one or both surfaces.
This hard layer has a specific gravity of 0.8 to 1.4,
It has a layer thickness of about 0.5 mm.

【0008】中比重繊維板は、前述のように、例えば乾
式法による木質繊維板の製造工程において、解繊され接
着剤等を添加、乾燥された木質繊維を、フォーミング装
置によりスクリーンコンベア上に堆積し、仮圧締して木
質繊維マットとし、次いで一定寸法に裁断して定尺木質
繊維マットとした後、これを加熱圧締することによって
得られるが、この製造工程において、木質繊維に対する
接着剤の添加量を多くし、あるいは木質繊維の含水率を
高くすることにより、片面または両面の硬質層の層厚を
大きく形成することができる。
As described above, for example, in the process of manufacturing a wood fiber board by a dry method, the medium specific gravity fiber board is added with an adhesive or the like, and the dried wood fiber is deposited on a screen conveyor by a forming device. Then, the wood fiber mat is temporarily pressed to obtain a wood fiber mat, and then cut to a certain size to obtain a fixed-length wood fiber mat, which is obtained by heating and pressing. By increasing the amount of added or increasing the water content of the wood fiber, the thickness of the hard layer on one or both sides can be increased.

【0009】また、定尺木質繊維マットの上面または下
面に水を塗布し、あるいは不織布、紙、布等の保水性の
あるシート状物に含水させたものを該木質繊維マットの
上面または下面に載置し、この状態で加熱することによ
り、表裏部の含水率が高められた状態で加熱圧締される
こととなるため、水の塗布面またはシート状物の載置面
側に形成される硬質層が大きな層厚を有するものとな
る。
Further, water is applied to the upper or lower surface of the fixed-length wood fiber mat, or a water-retaining sheet-like material such as non-woven fabric, paper or cloth is impregnated with water on the upper or lower surface of the wood fiber mat. By mounting and heating in this state, it is heated and pressed in a state where the water content of the front and back portions is increased, so that it is formed on the water application surface or the mounting surface side of the sheet-like material. The hard layer has a large layer thickness.

【0010】このようにして、片面または両面に所定層
厚の硬質層を有する中比重繊維板が得られる。
In this way, a medium-density fiberboard having a hard layer having a predetermined thickness on one or both sides is obtained.

【0011】得られた中比重繊維板においては、加熱圧
締時の接着剤のプレキュアによる低比重の薄表層が形成
されるため、少なくとも表面側をサンディングして該低
比重薄表層を除去し、硬質層を露出させる。
In the obtained medium specific gravity fiberboard, a low specific gravity thin surface layer is formed by pre-curing of the adhesive at the time of heating and pressing, so that at least the surface side is sanded to remove the low specific gravity thin surface layer. Exposing the hard layer.

【0012】中比重繊維板の少なくとも表面に形成され
た比重の高い硬質層に、必要に応じて、シーラー処理、
着色処理等の下地処理を施し、素材強化、素材着色を行
った後、接着剤を塗布する。
The hard layer having a high specific gravity formed on at least the surface of the medium-density fiberboard is optionally subjected to a sealer treatment,
After a base treatment such as a coloring treatment is performed to strengthen and color the material, an adhesive is applied.

【0013】この際に用いられる接着剤としては、酢酸
ビニル樹脂、エチレン酢酸ビニル樹脂、エポキシ樹脂、
ユリア樹脂、メラミン樹脂、フェノール樹脂、イソシア
ネート、アクリル樹脂、ウレタン樹脂等の熱硬化性ある
いは熱可塑性接着剤が用いられる。
The adhesive used at this time includes vinyl acetate resin, ethylene vinyl acetate resin, epoxy resin,
Thermosetting or thermoplastic adhesives such as urea resin, melamine resin, phenol resin, isocyanate, acrylic resin, urethane resin and the like are used.

【0014】接着剤中には、天然精油、合成香料等より
なる芳香剤、消臭剤、防虫剤、害虫忌避剤等の薬剤を1
種または複数種添加することができる。これにより、森
林浴効果、芳香効果、消臭効果、防虫効果、害虫忌避効
果、防菌効果等所要の効果を有する化粧板となる。これ
らの薬剤の添加は、該薬剤をそのまま直に添加しても良
く、またエマルジョン化あるいはマイクロカプセル化し
た状態で添加しても良い。
The adhesive contains one or more chemicals such as an aromatic, a deodorant, an insect repellent, a pest repellent, etc., composed of natural essential oils, synthetic fragrances and the like.
One or more species can be added. Thereby, a decorative board having required effects such as a forest bathing effect, an aroma effect, a deodorizing effect, an insect repellent effect, a pest repellent effect, and a bactericidal effect is obtained. These drugs may be added directly as they are, or may be added in an emulsified or microencapsulated state.

【0015】基板の接着剤塗布面に化粧シート状物を載
置し、ラミネート装置、平盤プレス等を用いて圧締接着
する。
A decorative sheet is placed on the surface of the substrate on which the adhesive is to be applied, and pressure-bonded using a laminating apparatus, a flat plate press or the like.

【0016】化粧シート状物としては、突板、人工突
板、これらの裏面に和紙、洋紙、不織布、寒冷紗等の裏
打ち材が貼着されてなるもの、突板や人工突板において
その表面に任意着色塗装が施されたもの、任意着色塗装
が施されあるいは任意柄模様が印刷形成された化粧紙、
化粧含浸紙、化粧合成樹脂シート等が、化粧板としての
用途に応じて選択されて用いられる。
The decorative sheet may be a veneer, an artificial veneer, a backing of which is adhered to a backing material such as Japanese paper, paper, non-woven fabric, cold gauze, or the like. Decorative paper on which any colored coating is applied or any pattern is printed and formed,
A decorative impregnated paper, a decorative synthetic resin sheet, or the like is selected and used depending on the use as a decorative plate.

【0017】貼着した化粧シート状物の表面に、無色透
明または着色透明の上塗り透明塗料を塗布して塗膜層を
形成する。
A colorless transparent or colored transparent overcoating transparent paint is applied to the surface of the decorative sheet attached to form a coating layer.

【0018】上塗り透明塗料には鉱物質粒子が添加混合
される。鉱物質粒子とは、粒子径10〜200μの炭化
硅素、酸化アルミニウム、酸化硅素、硼砂、炭化硼素等
であって、好ましくは新モース硬度が10以上のもので
ある。また、鉱物質粒子の添加量は、好ましくは塗料樹
脂固形分(不揮発成分)に対し10〜95%に設定され
る。
Mineral particles are added to and mixed with the top transparent paint. The mineral particles include silicon carbide, aluminum oxide, silicon oxide, borax, boron carbide and the like having a particle diameter of 10 to 200 μm, and preferably have a new Mohs hardness of 10 or more. The addition amount of the mineral particles is preferably set to 10 to 95% based on the solid content (non-volatile component) of the coating resin.

【0019】鉱物質粒子として、粒子径の異なる複数種
のものを添加混合しても良い。例えば、鉱物質微粒子と
して10〜50μの酸化アルミニウム粉末と鉱物質粗粒
子として50〜150μの炭化硅素粉末を添加すること
ができる。このように粒子径の異なる粗粒子と微粒子の
鉱物質粒子を添加することは、微粒子の添加により塗料
の流動性を高めつつ、均一分散するので、耐摩耗性の向
上を図ることができ、一方、微粒子の塗料中でのベアリ
ング効果が粗粒子の分散性、沈降防止性を向上するた
め、粗粒子も均一分散され、長期における耐摩耗性を向
上することができる。
As the mineral particles, plural kinds having different particle diameters may be added and mixed. For example, it is possible to add 10 to 50 μm of aluminum oxide powder as fine mineral particles and 50 to 150 μm of silicon carbide powder as coarse mineral particles. The addition of the coarse particles and the fine particles of the fine particles having different particle diameters as described above enhances the fluidity of the coating by the addition of the fine particles and is uniformly dispersed, so that the wear resistance can be improved. In addition, since the bearing effect of the fine particles in the coating material improves the dispersibility and sedimentation prevention of the coarse particles, the coarse particles are also uniformly dispersed, and the long-term wear resistance can be improved.

【0020】上塗り透明塗料には、一般に、アミノアル
キド樹脂塗料、ビニル樹脂塗料、アクリル樹脂塗料、エ
ポキシ樹脂塗料、ポリウレタン樹脂塗料、不飽和ポリエ
ステル樹脂塗料等の合成樹脂塗料が用いられる。
As the overcoating transparent coating, a synthetic resin coating such as an aminoalkyd resin coating, a vinyl resin coating, an acrylic resin coating, an epoxy resin coating, a polyurethane resin coating or an unsaturated polyester resin coating is generally used.

【0021】また、上塗り透明塗料として、紫外線硬化
型樹脂塗料を用いても良い。紫外線硬化型樹脂塗料は短
時間で硬化し、無溶剤型であるため大気汚染を起こすこ
とがなく、一液型であるため取り扱いが容易であり、ま
た硬化温度も低いため基板に対して熱の影響を与えるこ
とがなく化粧板の反りの発生を防止し得る等の効果を有
する。
Further, an ultraviolet-curable resin coating may be used as the top coating transparent coating. UV-curable resin coatings cure in a short time, are solvent-free, do not cause air pollution, are one-pack, and are easy to handle. It has the effect of preventing the occurrence of warpage of the decorative board without affecting it.

【0022】上塗り透明塗料中には、天然精油、合成香
料等よりなる芳香剤、消臭剤、防虫剤、害虫忌避剤等の
薬剤を1種または複数種添加することができる。これに
より、森林浴効果、芳香効果、消臭効果、防虫効果、害
虫忌避効果、防菌効果等所要の効果を有する化粧板とな
る。これらの薬剤の添加は、該薬剤をそのまま直に添加
しても良く、またエマルジョン化あるいはマイクロカプ
セル化した状態で添加しても良い。
One or more kinds of chemicals such as a fragrance composed of natural essential oils and synthetic fragrances, deodorants, insect repellents, pest repellents and the like can be added to the top transparent paint. Thereby, a decorative board having required effects such as a forest bathing effect, an aroma effect, a deodorizing effect, an insect repellent effect, a pest repellent effect, and a bactericidal effect is obtained. These drugs may be added directly as they are, or may be added in an emulsified or microencapsulated state.

【0023】耐摩耗性の塗膜層の形成において、溶剤型
の上塗り透明塗料を用いた場合、感想硬化時の溶剤の大
気への飛散による体積の目減りが生じ、このために、鉱
物質粒子が塗膜層から突出した状態で塗膜層の硬化が行
われることがある。この場合、表面にザラツキが生じ、
つや消し状態の発生が見られるので、好ましくない。そ
こで、鉱物質粒子を含有する上塗り透明塗料を塗布して
耐摩耗性の塗膜層を形成した後、更にその表面に、透明
塗料を塗布して保護塗膜層を形成することが望ましく、
これによって平滑でつやのある化粧面が得られる。
In the formation of the wear-resistant coating film layer, when a solvent-type overcoating transparent paint is used, the volume of the solvent is reduced due to the scattering of the solvent into the atmosphere at the time of impression curing, and as a result, mineral particles are reduced. The coating layer may be cured while projecting from the coating layer. In this case, roughness occurs on the surface,
The occurrence of a matte state is observed, which is not preferable. Therefore, it is desirable to form a wear-resistant coating layer by applying a top-coating transparent coating containing mineral particles, and then apply a transparent coating to the surface to form a protective coating layer,
This gives a smooth and glossy decorative surface.

【0024】また、保護塗膜層を形成する透明塗料中に
鉱物質粒子を添加混合することにより耐摩耗性を付与す
ることができる。この場合の鉱物質粒子は、上塗り透明
塗料に含有される鉱物質粒子よりも小さい粒子径のもの
とし、表面のザラツキやつや消し状態を抑制することが
好ましい。
Further, abrasion resistance can be imparted by adding and mixing mineral particles into the transparent coating material for forming the protective coating layer. In this case, it is preferable that the mineral particles have a particle diameter smaller than that of the mineral particles contained in the top-coating transparent paint, and the surface roughness and matte state are suppressed.

【0025】以上のようにして、少なくとも表面に比重
の高い硬質層が設けられた中比重繊維板を基板とし、該
硬質層上に接着剤を介して化粧シート状物を貼着し、更
にその表面に上塗り透明塗料による塗膜層を形成してな
ることを特徴とする本発明の化粧板が得られる。
As described above, a medium specific gravity fiberboard provided with a hard layer having a high specific gravity at least on its surface is used as a substrate, and a decorative sheet is pasted on the hard layer via an adhesive. The decorative plate of the present invention is obtained by forming a coating layer of a transparent top coating on the surface.

【0026】[0026]

【作用】中比重繊維板よりなる基板表面の比重が高く密
な硬質層上に接着剤を介して化粧シート状物が貼着され
るため、接着剤が必要以上に基板表面に吸い込まれるこ
とがなく、適度の投錨効果が得られると共に、十分な接
着力が得られる。
Since the decorative sheet is adhered to the hard layer having a high specific gravity on the surface of the substrate made of the medium specific gravity fiberboard via the adhesive through the adhesive, the adhesive may be sucked into the substrate surface more than necessary. In addition, a proper anchoring effect can be obtained, and a sufficient adhesive force can be obtained.

【0027】[0027]

【実施例】図1は本発明の化粧板の構成例を示し、中比
重繊維板1を基板とし、その表面における比重の高い硬
質層2の上に、接着剤層3、任意化粧シート状物4およ
び上塗り透明塗料による塗膜層5が順次積層形成されて
なる。
FIG. 1 shows an example of the construction of a decorative board according to the present invention, in which a medium specific gravity fiber board 1 is used as a substrate, an adhesive layer 3 and an optional decorative sheet on a hard layer 2 having a high specific gravity on the surface thereof. 4 and a coating layer 5 made of an overcoated transparent paint are sequentially laminated.

【0028】[0028]

【発明の効果】本発明によれば、表面に貼着される化粧
シート状物との間に層間剥離を生じない化粧板が得られ
る。
According to the present invention, it is possible to obtain a decorative plate which does not cause delamination between the decorative sheet and the decorative sheet.

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

【図1】本発明による化粧板の構成例を示す断面図であ
る。
FIG. 1 is a cross-sectional view showing a configuration example of a decorative board according to the present invention.

【符号の説明】[Explanation of symbols]

1 中比重繊維板(基板) 2 硬質層 3 接着剤層 4 任意化粧シート状物 5 塗膜層 DESCRIPTION OF SYMBOLS 1 Medium specific gravity fiber board (substrate) 2 Hard layer 3 Adhesive layer 4 Optional decorative sheet material 5 Coating layer

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】全体比重が0.4〜0.8であって少なく
とも表面に比重の高い硬質層が厚さ0.3〜0.5mm
設けられた中比重繊維板を基板とし、該硬質層上に接
着剤を介して化粧シート状物を貼着し、更にその表面に
上塗り透明塗料による塗膜層を形成してなることを特徴
とする化粧板。
1. A hard layer having a specific gravity of at least 0.4 to 0.8 and having a high specific gravity on its surface at a thickness of 0.3 to 0.5 mm.
Specific gravity fiberboard and substrate in provided, characterized in that via the adhesive on the rigid layer adhered to the decorative sheet, by forming a further coating layer by topcoating clearcoat on its surface And decorative board.
JP5047263A 1993-02-12 1993-02-12 Decorative board Expired - Lifetime JP2595439B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5047263A JP2595439B2 (en) 1993-02-12 1993-02-12 Decorative board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5047263A JP2595439B2 (en) 1993-02-12 1993-02-12 Decorative board

Publications (2)

Publication Number Publication Date
JPH06238820A JPH06238820A (en) 1994-08-30
JP2595439B2 true JP2595439B2 (en) 1997-04-02

Family

ID=12770410

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5047263A Expired - Lifetime JP2595439B2 (en) 1993-02-12 1993-02-12 Decorative board

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6300427B2 (en) * 2011-03-31 2018-03-28 大日本印刷株式会社 Floor decorative material
JP2016128645A (en) * 2016-02-16 2016-07-14 大日本印刷株式会社 Decorative material for floor

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4869880A (en) * 1971-12-24 1973-09-21
JPS579067Y2 (en) * 1975-05-19 1982-02-22
JPS5713236Y2 (en) * 1978-06-07 1982-03-17
JPS5686752A (en) * 1979-12-15 1981-07-14 Matsushita Electric Works Ltd Grain pattern smoothly planed board and its manufacture
JPH0351459Y2 (en) * 1984-09-20 1991-11-05
JPS61262101A (en) * 1985-05-17 1986-11-20 株式会社ノダ Manufacture of decorative board
JPS63134237A (en) * 1986-11-25 1988-06-06 永大産業株式会社 Manufacture of decorative board
JPH0258541U (en) * 1988-10-21 1990-04-26
JPH03233072A (en) * 1990-02-05 1991-10-17 Hokushin Kk Direct flooring sound resisting floor board
JPH04106264A (en) * 1990-08-27 1992-04-08 Asahi Utsudo Tec Kk Wooden decorated floor member and its work executing method
JP2596358Y2 (en) * 1992-04-21 1999-06-14 株式会社ノダ Decorative board
JPH0638677U (en) * 1992-11-06 1994-05-24 昌之 稲見 Folding book stand
JPH074915U (en) * 1993-06-22 1995-01-24 ポップリベット・ファスナー株式会社 Stoppers with elastic support legs
JP3101626U (en) * 2003-11-12 2004-06-17 トキワ工業株式会社 Walking equipment

Also Published As

Publication number Publication date
JPH06238820A (en) 1994-08-30

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