JP2626762B2 - Method for producing colored painted curable resin decorative board - Google Patents
Method for producing colored painted curable resin decorative boardInfo
- Publication number
- JP2626762B2 JP2626762B2 JP62138017A JP13801787A JP2626762B2 JP 2626762 B2 JP2626762 B2 JP 2626762B2 JP 62138017 A JP62138017 A JP 62138017A JP 13801787 A JP13801787 A JP 13801787A JP 2626762 B2 JP2626762 B2 JP 2626762B2
- Authority
- JP
- Japan
- Prior art keywords
- decorative board
- resin
- decorative
- curable
- colored
- 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 - Fee Related
Links
Landscapes
- Laminated Bodies (AREA)
Description
本発明は意匠性に優れた効果を有する着色塗装した硬
化型樹脂化粧板の製造方法に関するものであり、特に木
目模様を有する化粧紙を使用し、かつこの木目模様の導
管部に相当する部分のエンボス凹部を有する化粧板基体
を使用したときには、まさしく天然木による化粧板の外
観を呈する高品質感のある硬化型樹脂化粧板を的確に得
ることのできる着色塗装した硬化型樹脂化粧板の製造方
法を提供する。The present invention relates to a method for producing a colored coated curable resin decorative board having an excellent effect on design, particularly using a decorative paper having a wood grain pattern, and a portion corresponding to a conduit part of the wood grain pattern. When using a decorative board substrate having an embossed concave portion, a method for producing a colored coated cured resin decorative board capable of accurately obtaining a high-quality curable resin decorative board having the appearance of a decorative board made of natural wood. I will provide a.
硬化型樹脂化粧板は表面強度に優れた特性を有する等
の理由により、家具、建材等に広く利用されており、例
えば（１）合板等の基材の上に熱硬化型樹脂を含浸した
化粧紙を載置した後、これを熱圧成形に付す方法、
（２）坪量55〜100g/m2程度の化粧紙に熱硬化型樹脂を5
5重量％程度に含浸、乾燥したシートと、フェノール樹
脂含浸紙とを熱圧によって積層する方法等によって得ら
れている。Curable resin decorative boards are widely used for furniture, building materials, and the like because of their excellent surface strength and other properties. For example, (1) decorative boards in which thermosetting resin is impregnated on a base material such as plywood After placing the paper, it is subjected to hot pressing,
(2) 5 a thermosetting resin basis weight 55~100g / m 2 about decorative paper
It is obtained by a method of laminating a sheet impregnated and dried to about 5% by weight and a phenol resin-impregnated paper by hot pressing or the like.
しかしながら、上記した従来の技術によって得られた
熱硬化型樹脂化粧板は、いずれもその意匠的効果が低
く、高品質感のある化粧板が得られない、という欠点が
ある。 これに対して本発明の着色塗装した硬化型樹脂化粧板
の製造方法によれば、模様の立体感が顕著に現出された
高品質特性を具備する着色塗装した硬化型樹脂化粧板
を、容易かつ的確に得ることができ、特に木目模様を有
する化粧紙を使用し、かつこの木目模様の導管部に相当
する部分のエンボス凹部を有する化粧板基体を使用した
ときには、天然木による化粧板の外観を呈する高品質感
のある着色塗装した硬化型樹脂化粧板を得ることができ
る。However, any of the thermosetting resin decorative boards obtained by the above-described conventional techniques has a low design effect, and has a drawback that a decorative board having a high quality feeling cannot be obtained. On the other hand, according to the method for producing a colored painted curable resin decorative board of the present invention, a colored painted curable resin decorative board having high quality characteristics in which a three-dimensional appearance of a pattern is remarkably exhibited can be easily obtained. In particular, when a decorative paper having a wood grain pattern is used and a decorative board substrate having an embossed recess at a portion corresponding to the conduit part of the wood grain pattern is used, the appearance of a decorative board made of natural wood is obtained. And a colored resin-coated curable resin decorative board having a high quality feeling can be obtained.
上記の目的は、以下の構成による本発明の着色塗装し
た硬化型樹脂化粧板の製造方法によって達成される。 すなわち本発明の着色塗装した硬化型樹脂化粧板の製
造方法は、表面にエンボス凹部を有する硬化型樹脂化粧
板からなる化粧板基体のエンボス表面に対して、ロール
間のエアーギャップを該化粧板基体の厚さよりも小さく
した塗工ロールによって硬化型着色透明樹脂塗料をロー
ル塗工した後、これを硬化させることにより、化粧板基
体におけるエンボス凹部上の硬化型着色透明樹脂塗料層
の厚さを、非エンボス部上の硬化型着色透明樹脂塗料層
の厚さの５〜20倍にしてあり、しかも化粧板基体のエン
ボス凹部上の硬化型着色透明樹脂塗料層のレベルを、非
エンボス部上の硬化型着色透明樹脂塗料層のレベルから
陥没させてある硬化型着色透明樹脂塗料層を形成する構
成を備えているものである。 上記構成による本発明の着色塗装した硬化型樹脂化粧
板の製造方法において、表面にエンボス凹部を有する硬
化型樹脂化粧板からなる化粧板基体としては、化粧板基
材と該化粧板基材上に載置した熱硬化型樹脂含浸化粧紙
とを具備する積層体の熱圧成形体、あるいは化粧板基材
と、該化粧板基材上に載置した熱硬化型樹脂含浸化粧紙
と、該熱硬化型樹脂含浸化粧紙上に載置した熱硬化型樹
脂含浸オーバーレイ紙とを具備する積層体の熱圧成形体
が好ましい。そして、このときの化粧板基材としては、
熱硬化型樹脂を含浸させたバッカー紙を使用することが
更に好ましい。 又上記構成による本発明の着色塗装した硬化型樹脂化
粧板の製造方法においては、化粧板基体としての硬化型
樹脂化粧板として、表面にエンボス凹部を有する硬化型
樹脂化粧板を使用する。 この硬化型樹脂化粧板には、例えば、印刷模様を付し
た化粧紙に、ジアリルフタレート樹脂、フェノール樹
脂、メラミン樹脂、不飽和ポリエステル樹脂、エポキシ
樹脂、ベンゾグアナミン樹脂、あるいはこれらの中の２
種以上の混合樹脂等を、30〜70重量％程度で含浸させた
熱硬化型樹脂含浸化粧紙と、化粧板基材との熱圧成形体
からなる所謂熱圧成形タイプの硬化型樹脂化粧板や、化
粧板基材上に化粧紙を例えば酢酸ビニル樹脂や尿素系樹
脂等の接着剤によって貼着し、更に不飽和ポリエステル
樹脂を塗布し、次いでこの塗布面をビニロン等の合成樹
脂フィルムで被覆した後、前記不飽和ポリエステル樹脂
を硬化させた所謂湿式タイプのポリエステル化粧板等
の、一般の硬化型樹脂化粧板を使用し得る この硬化型樹脂化粧板からなる化粧板基体を得る際に
使用する化粧紙としての印刷模様紙には、坪量23〜150g
/m2、特に35〜100g/m2程度のパルプシートが好適であ
り、含浸用樹脂の含浸特性の点から、多孔性かつ吸湿性
で、しかも湿潤強度の高いものを使用するのがよい。
又、不透明性と美麗な着色模様が得られることから、酸
化チタンやその他の顔料を充填したパルプシートを使用
することが好ましい。 印刷模様紙における印刷模様は、例えばグラビア印
刷、オフセット印刷、グラビア・オフセット印刷、シル
クスクリーン印刷等の通常の印刷手段で形成し得る。 この印刷模様を形成するときの印刷インキについての
制限は特にないが、グラビア印刷インキ、グラビア・オ
フセット印刷インキ、オフセット印刷インキ、凸版印刷
インキ、シルクスクリーン印刷インキ等を、印刷模様を
形成する印刷手段に併せて使用できる。 印刷インキ中のベヒクルについての制限も持にない
が、エチルセルロース、ニトロセルロース、エチルヒド
ロキシエチルセルロース、セルロースアセテートプロピ
オネート、酢酸セルロース、酢・酪酸セルロース等のセ
ルロース誘導体、ポリスチレン、ポリα・メチルスチレ
ン等のスチレン系樹脂、ポリメタクリル酸エステル、ポ
リアクリル酸エチル、ポリアクリル酸ブチル等のアクリ
ル系樹脂、ロジン、ロジン変性マレイン酸樹脂、ロジン
変性フェノール樹脂、重合ロジン等のロジンエステル樹
脂、ポリ酢酸ビニル樹脂、クマロン樹脂、ビニルトルエ
ン樹脂、塩化ビニル樹脂、ポリエステル樹脂、ポリウレ
タン樹脂、ブチラール樹脂、ポリアミド樹脂、塩・酢ビ
共重合樹脂、シェラック、ロジン、アラビアゴム、アル
カロイド、マスチック等の天然樹脂等を使用することが
できる。 又、化粧板基体を得る際に前記化粧紙を載置するため
に使用する化粧板基材としては、例えば木、合板、パー
チクルボード等の木質系基材、石膏ボード、石膏スラグ
ボード等の石膏系基材、パルプセメント板、石綿スレー
ト板、石綿セメント板、木片セメント板等の繊維セメン
ト板、GRC及びコンクリート、鉄、Al、銅等の金属箔又
はシート、更には以上の各基材の複合体を使用すること
ができる。 化粧板基体を得る際に、前記化粧紙の上に必要に応じ
て載置するオーバーレイ紙は、オーバーレイ紙用の原紙
に硬化型樹脂を含浸させた無色透明、無色半透明、又は
着色透明のものであって、特に坪量20〜80g/m2程度の含
浸用紙、透明紙、リンター紙等からなるオーバーレイ用
紙の原紙に、30〜50重量％程度の硬化型樹脂、例えばジ
アリルフタレート樹脂、メラミン樹脂、不飽和ポリエス
テル樹脂、エポキシ樹脂、ベンゾグアナミン樹脂、ある
いはこれらの中の２種以上の混合樹脂等を含浸、乾燥し
たものを使用するのが好適である。 なお、このオーバーレイ紙は、前記した所謂熱圧成形
タイプの硬化型樹脂化粧板からなる化粧板基体の表面保
護層や表面樹脂層の厚さを大きくすることによって特に
意匠的な深み効果を発現させる等の目的で使用するもの
であるから、所謂湿式タイプのポリエステル樹脂化粧板
からなる硬化型樹脂化粧板による化粧板基体に対しては
使用しない。 硬化型樹脂化粧板からなる化粧板基体が、化粧板基材
と、該化粧板基材上に載置した熱硬化型樹脂含浸化粧紙
と、必要に応じて該熱硬化型樹脂含浸化粧紙上に載置し
た熱硬化型樹脂含浸オーバーレイ紙とを具備する積層体
の熱圧成形体からなるときに、化粧板基材として特に、
坪量50〜200g/m2程度のクラフト紙に、例えばメラミン
樹脂、不飽和ポリエステル樹脂、エポキシ樹脂、グアナ
ミン樹脂、ジアリルフタレート樹脂、更にはこれらの中
の２種以上の混合樹脂等を30〜50重量％程度含浸、乾燥
したバッカー紙を使用すると、曲面貼り加工等を行なう
ことのできるフレキシブル性を有する着色塗装した硬化
型樹脂化粧板になる。 前記硬化型樹脂化粧板からなる化粧板基体の表面のエ
ンボス凹部は、該化粧板基体が所謂熱圧成形タイプのも
のであるときには、該化粧板基体を得る際の熱圧成形時
にエンボス用の型版を使用することによって形成するこ
とができる。 このときのエンボス用の型版は所謂エンボス版であ
り、例えばステンレススチール板や鋼板等にエッチング
法や電鋳法等によって凹凸を付した金属エンボス版や、
この金属版や木材等から型取りした合成樹脂エンボス版
等を使用し得る。 又、前記硬化型樹脂化粧板からなる化粧板基体が所謂
湿式タイプのポリエステル樹脂化粧板の場合には、化粧
板基体の表面のエンボス凹部は、前述のエンボス版から
型取りしたエンボスフィルムを被覆用フィルムとして使
用することによって形成できる。 本発明の着色塗装した硬化型樹脂化粧板及びその製造
方法において、化粧板基体の上の硬化型着色透明樹脂塗
料層の形成に使用する硬化型着色透明樹脂塗料として
は、ウレタン樹脂、アクリル樹脂、及びポリエステル等
をビヒクルとする塗料を使用し得るが、硬化型樹脂化粧
板からなる化粧板基体の表面に対する密着性や、形成さ
れる硬化型着色透明樹脂塗料層の耐溶剤性等に良好な性
質が得られることから、２液硬化型樹脂をビヒクルとす
るものを使用するのが好ましい。 硬化型着色透明樹脂塗料中の着色剤は、通常の顔料一
般である。形成される硬化型着色透明樹脂塗料層の透明
層を高くするためには、隠蔽性の小さい有機質顔料から
なる着色剤を利用するのが好適である。 本発明の着色塗装した硬化型樹脂化粧板の製造方法に
おいては、この硬化型着色透明樹脂塗料の塗工を、ロー
ル間のエアーギャップを化粧板基体の厚さよりも小さく
した塗工ロールによって行ない、更にこれを硬化させる
ことによって硬化型着色透明樹脂塗料層を形成する。 これによって、表面にエンボス凹部を有する硬化型樹
脂化粧板からなる化粧板基体のエンボス表面に対して、
エンボス凹部上の硬化型着色透明樹脂塗料層の厚さが、
非エンボス部上の硬化型着色透明樹脂塗料層の厚さの５
〜20倍になっており、しかも化粧板基体のエンボス凹部
上の硬化型着色透明樹脂塗料層のレベルが、非エンボス
部上の硬化型着色透明樹脂塗料層のレベルから陥没して
いる硬化型着色透明樹脂塗料層を、極めて容易に、かつ
的確に形成することができる。 なお、硬化型着色透明樹脂塗料のロール塗工を行なう
ときの塗工ロールには、金属ロール、ゴムロール、スポ
ンジロール等を使用することができるが、特にJIS硬度6
0〜90度程度のシリコーン系ゴムロールが好適である。 なおまた、上記の硬化型着色透明樹脂塗料の塗工を行
なう前に、表面にエンボス凹部を有する硬化型樹脂化粧
板からなる化粧板基体の塗工予定面を予め研磨処理する
等して、硬化型樹脂化粧板に対する硬化型着色透明樹脂
塗料の塗着適性を高めておくことが好ましい。The above object is achieved by the method for producing a colored and coated curable resin decorative board of the present invention having the following constitution. That is, the method for producing a colored coated curable resin decorative board according to the present invention comprises the steps of: forming an air gap between rolls on the embossed surface of a decorative resin board having a curable resin decorative board having embossed concave portions on the surface; After applying a curable colored transparent resin coating by a coating roll smaller than the thickness of the cured resin, by curing this, the thickness of the cured colored transparent resin coating layer on the embossed recesses in the decorative board substrate, The thickness of the curable colored transparent resin paint layer on the non-embossed portion is 5 to 20 times the thickness of the curable colored transparent resin paint layer on the embossed concave portion of the decorative board substrate. It is provided with a structure for forming a cured colored transparent resin paint layer which is depressed from the level of the mold colored transparent resin paint layer. In the method for producing a colored coated curable resin decorative board according to the present invention having the above-described structure, the decorative board base comprising the curable resin decorative board having embossed concave portions on its surface includes a decorative board base and a decorative board base. A hot-pressed molded product of a laminate comprising a placed thermosetting resin-impregnated decorative paper, or a decorative board substrate; a thermosetting resin-impregnated decorative paper placed on the decorative board substrate; A thermocompression molding of a laminate comprising thermosetting resin-impregnated overlay paper placed on curable resin-impregnated decorative paper is preferred. And as a decorative board substrate at this time,
It is further preferable to use a backer paper impregnated with a thermosetting resin. Further, in the method for producing a colored cured decorative resin plate according to the present invention having the above-described configuration, a curable resin decorative plate having embossed concave portions on its surface is used as a curable resin decorative plate as a decorative plate substrate. The curable resin decorative board may include, for example, decorative paper having a printed pattern, diallyl phthalate resin, phenol resin, melamine resin, unsaturated polyester resin, epoxy resin, benzoguanamine resin, or two of these.
A so-called hot-press molding type hardening resin decorative board composed of a thermosetting resin-impregnated paper impregnated with about 30 to 70% by weight of a mixed resin of at least about 30% by weight and a decorative board substrate. Or, decorative paper is adhered on a decorative board substrate with an adhesive such as vinyl acetate resin or urea resin, and then an unsaturated polyester resin is applied, and then the coated surface is covered with a synthetic resin film such as vinylon. After that, an ordinary curable resin decorative plate such as a so-called wet type polyester decorative plate obtained by curing the unsaturated polyester resin can be used. This is used when obtaining a decorative plate base made of the curable resin decorative plate. 23-150g basis weight for printed pattern paper as decorative paper
A pulp sheet having a wettability / m 2 , particularly about 35 to 100 g / m 2, is suitable. From the viewpoint of impregnation properties of the impregnating resin, it is preferable to use a pulp sheet which is porous, hygroscopic and has high wet strength.
Further, it is preferable to use a pulp sheet filled with titanium oxide or another pigment, since opacity and a beautiful colored pattern can be obtained. The print pattern on the print pattern paper can be formed by ordinary printing means such as gravure printing, offset printing, gravure offset printing, and silk screen printing. There is no particular limitation on the printing ink when forming the printing pattern, but a printing means for forming the printing pattern using gravure printing ink, gravure offset printing ink, offset printing ink, letterpress printing ink, silk screen printing ink, or the like. Can be used in conjunction with Although there is no restriction on the vehicle in the printing ink, ethyl cellulose, nitrocellulose, ethyl hydroxyethyl cellulose, cellulose acetate propionate, cellulose acetate, cellulose derivatives such as cellulose acetate / butyrate, polystyrene, poly α-methylstyrene, etc. Styrene resin, polymethacrylic acid ester, polyethyl acrylate, acrylic resin such as polybutyl acrylate, rosin, rosin modified maleic resin, rosin modified phenol resin, rosin ester resin such as polymerized rosin, polyvinyl acetate resin, Coumarone resin, vinyl toluene resin, vinyl chloride resin, polyester resin, polyurethane resin, butyral resin, polyamide resin, salt / vinyl acetate copolymer resin, shellac, rosin, gum arabic, alkaloid, mastic It can be used natural resins. Further, as the decorative board substrate used for placing the decorative paper upon obtaining the decorative board substrate, for example, wood, plywood, wood-based base such as particle board, gypsum board, gypsum slag board and the like Substrate, pulp cement board, asbestos slate board, fiber cement board such as asbestos cement board, wood chip cement board, GRC and metal foil or sheet such as concrete, iron, Al, copper, etc. Can be used. When obtaining a decorative board substrate, the overlay paper to be placed on the decorative paper as required is a colorless transparent, a colorless translucent, or a colored transparent one obtained by impregnating a base paper for overlay paper with a curable resin. In particular, the base paper of an overlay paper made of impregnated paper, transparent paper, linter paper, etc. having a basis weight of about 20 to 80 g / m2, and a curable resin of about 30 to 50% by weight, for example, diallyl phthalate resin, melamine resin It is preferable to use an unsaturated polyester resin, an epoxy resin, a benzoguanamine resin, or a resin impregnated with a mixture of two or more of these resins and dried. In addition, this overlay paper expresses a special design depth effect by increasing the thickness of the surface protective layer and the surface resin layer of the decorative board substrate composed of the so-called hot-press molding type curable resin decorative board. Since it is used for such purposes as above, it is not used for a decorative board substrate made of a curable resin decorative board made of a so-called wet type polyester resin decorative board. A decorative board substrate made of a curable resin decorative board is provided on a decorative board base, a thermosetting resin-impregnated decorative paper placed on the decorative board base, and, if necessary, on the thermosetting resin-impregnated decorative paper. When it consists of a hot-pressed molded body of a laminate comprising a thermosetting resin-impregnated overlay paper placed thereon, particularly as a decorative board substrate,
The basis weight of 50 to 200 g / m 2 approximately kraft paper, such as melamine resins, unsaturated polyester resins, epoxy resins, guanamine resins, diallyl phthalate resin, even a mixture of two or more resins in these such as 30 to 50 When the backer paper impregnated and dried by about 10% by weight is used, a cured colored resin decorative board having flexibility and capable of performing a curved surface attaching process or the like is obtained. The embossed concave portion on the surface of the decorative board substrate made of the curable resin decorative board is a mold for embossing at the time of hot-press molding for obtaining the decorative board substrate when the decorative board substrate is of a so-called hot-press type. It can be formed by using a plate. The embossing mold plate at this time is a so-called embossing plate, for example, a metal embossing plate having irregularities formed on a stainless steel plate or a steel plate by an etching method or an electroforming method,
A synthetic resin embossed plate or the like obtained by molding the metal plate or wood can be used. Further, when the decorative board base made of the curable resin decorative board is a so-called wet type polyester resin decorative board, the embossed concave portion on the surface of the decorative board base is used to cover the embossed film molded from the embossing plate described above. It can be formed by using it as a film. In the curable resin-coated decorative board and the method for producing the same according to the present invention, as the curable colored transparent resin paint used for forming the curable colored transparent resin paint layer on the decorative board substrate, urethane resin, acrylic resin, And a paint using a polyester or the like as a vehicle can be used, but it has good properties such as adhesion to the surface of a decorative board substrate made of a curable resin decorative board and solvent resistance of a formed curable colored transparent resin paint layer. It is preferable to use a resin that uses a two-component curable resin as a vehicle. The coloring agent in the curable colored transparent resin paint is a general pigment. In order to increase the transparent layer of the curable colored transparent resin coating layer to be formed, it is preferable to use a coloring agent composed of an organic pigment having a small hiding power. In the method for producing a colored cured curable resin decorative board of the present invention, the application of the curable colored transparent resin paint is performed by a coating roll in which the air gap between the rolls is smaller than the thickness of the decorative board base, This is further cured to form a curable colored transparent resin paint layer. Thereby, with respect to the embossed surface of the decorative board substrate made of a curable resin decorative board having an embossed concave portion on the surface,
The thickness of the curable colored transparent resin paint layer on the embossed recess is
5 of the thickness of the curable colored transparent resin paint layer on the non-embossed part
Curing type coloring where the level of the curable transparent resin coating layer on the embossed recess of the decorative board substrate is depressed from the level of the curable colored transparent resin coating layer on the non-embossed part The transparent resin paint layer can be formed very easily and accurately. In addition, a metal roll, a rubber roll, a sponge roll, and the like can be used as a coating roll when performing the roll coating of the curable colored transparent resin paint.
A silicone rubber roll of about 0 to 90 degrees is suitable. In addition, before applying the curable colored transparent resin paint, the surface to be coated of the decorative plate substrate made of the curable resin decorative plate having embossed concave portions on the surface is cured in advance by polishing or the like. It is preferable to improve the suitability of the curable colored transparent resin paint for the decorative resin resin plate.
以下、本発明の着色塗装した硬化型樹脂化粧板の製造
方法の具体的な構成を実施例に基づいて説明する。 実施例１ 化粧板基材 坪量100g/m2のクラフト原紙にフェノール樹脂40重量
％を含浸、乾燥したクラフト含浸紙を３枚重ねにして化
粧板基材として使用する。 熱硬化型樹脂含浸化粧紙 坪量80g/m2のチタン紙［（株）興人:PM−6P］に、酢
酸セルロース・メラミン樹脂系のビヒクルを使用した印
刷インキ［諸星インキ（株）製］によって、グラビア輪
転機によってオーク木目模様を印刷して化粧紙を得た
後、この化粧紙にジアリルフタレート樹脂を含浸、乾燥
し、熱硬化型樹脂含浸化粧紙を得た。 オーバーレイ含浸紙 オーバーレイ用原紙［（株）興人:OL−23］にジアリ
ルフタレート樹脂50重量％を含浸、乾燥し、熱硬化型樹
脂含浸オーバーレイ紙を得た。 化粧板基体の製造 前記の化粧板基体と、熱硬化型樹脂含浸化粧紙と、オ
ーバーレイ含浸紙とを順次積み重ねた後、これをステン
レススチール板とステンレススチールエンボス版との間
に介在させ、更にその上，下のそれぞれにクッション材
を当接し、これを上，下のプレス熱板間にて熱圧成形す
ることにより、表面にエンボス凹部を有する厚さ1mmの
硬化型樹脂化粧板からなる化粧板基体を得た。 なお、前記オーバーレイ含浸紙に当接させたステンレ
ススチールエンボス版は、オーク木目模様のうちの導管
部分が隆起する形状からなるものであり、ステンレスス
チール板をエッチング加工することによって得たもので
ある。 そして、硬化型樹脂化粧板からなる化粧板基体の表面
のエンボス凹部は、化粧紙表面のオーク木目模様のうち
の導管部と合致する部分に形成した。このエンボス凹部
は、該凹部の最も深いところで、深さ約80μｍである。 着色塗装した硬化型樹脂化粧板の製造 上記の硬化型樹脂化粧板からなる化粧板基体のエンボ
ス凹部側の表面を＃400番手のサンドペーパーでのサン
ディング加工に付した後、エアーギャップ0.8mmに調節
してある塗工ロールを使用するロール塗工法にて、下記
の組成からなる着色透明樹脂塗料を塗工、乾燥すること
により、図面にて符号１で示される着色塗装した硬化型
樹脂化粧板、つまり化粧板基体２と、該化粧板基体２の
表面のエンボス凹部３上に形成されている厚さ５〜10μ
ｍの硬化型着色透明樹脂塗料層５、及び非エンボス部４
上に形成されている厚さ１μｍの硬化型着色透明樹脂塗
料層５からなり、エンボス凹部上の硬化型着色透明樹脂
塗料層のレベルが、非エンボス部上の硬化型着色透明樹
脂塗料層のレベルから陥没している着色塗装した硬化型
樹脂化粧板１を得た。 着色透明樹脂塗料組成 アクリルポリオール ……100重量部 ヘキサメチレンジイソシアネート ……20重量部 着色剤（ポリアゾ系顔料、炭酸カルシウム顔料、二酸化
シリカ、外） ……２重量部 溶剤［MIBK/キシロール＝2/1］ ……50重量部 上記の方法によって得られた着色塗装した硬化型樹脂
化粧板は、オーク木目模様の導管部に相当する部分に部
厚い着色透明樹脂塗料層が形成されており、これによっ
て凹部に対するワイピンブ効果が現出されており、又、
導管部以外の部分にも薄い着色透明樹脂塗料層からなる
塗膜が形成されており、全体として天然木に着色塗装仕
上げを行なった化粧板に酷似する意匠性の極めて高いも
のであった。Hereinafter, a specific configuration of the method for producing a colored cured curable resin decorative board of the present invention will be described based on examples. Example 1 Decorative base material Kraft base paper having a basis weight of 100 g / m 2 is impregnated with 40% by weight of a phenolic resin, and three kraft-impregnated papers are stacked and used as a decorative base material. Thermosetting resin-impregnated decorative paper basis weight 80 g / m 2 of titanium paper [Corporation Kojin: PM-6P] to [manufactured Moroboshi Ink Corporation] printing ink using vehicles cellulose acetate-melamine resin system Then, an oak grain pattern was printed by a gravure rotary press to obtain a decorative paper, and the decorative paper was impregnated with diallyl phthalate resin and dried to obtain a thermosetting resin-impregnated decorative paper. Overlay-impregnated paper An overlay base paper [Kojin Co., Ltd .: OL-23] was impregnated with 50% by weight of diallyl phthalate resin and dried to obtain a thermosetting resin-impregnated overlay paper. Production of decorative board substrate The decorative board substrate, the thermosetting resin-impregnated decorative paper, and the overlay-impregnated paper are sequentially stacked, and then interposed between the stainless steel plate and the stainless steel embossing plate. A decorative board consisting of a 1mm thick curable resin decorative board with embossed recesses on the surface by pressing a cushion material on each of the upper and lower parts and hot-pressing this between the upper and lower press hot plates. A substrate was obtained. The stainless steel embossing plate in contact with the overlay-impregnated paper had a shape in which the conduit portion of the oak grain pattern was raised, and was obtained by etching a stainless steel plate. Then, the embossed recesses on the surface of the decorative board substrate made of the curable resin decorative board were formed in portions of the oak grain pattern on the surface of the decorative paper that matched the conduit portion. This embossed concave portion has a depth of about 80 μm at the deepest portion of the concave portion. Manufacture of curable resin veneer with colored coating The surface of the embossed concave side of the veneer base made of the above veneer with curable resin is sanded with # 400 sandpaper and adjusted to an air gap of 0.8 mm. By applying a colored transparent resin paint having the following composition and drying by a roll coating method using a coating roll that has been coated, a colored coated curable resin decorative board indicated by reference numeral 1 in the drawing, That is, the decorative board base 2 and the thickness 5 to 10 μm formed on the embossed concave portions 3 on the surface of the decorative board base 2
curable colored transparent resin paint layer 5 and non-embossed portion 4
It consists of a curable colored transparent resin paint layer 5 having a thickness of 1 μm formed thereon, and the level of the curable colored transparent resin paint layer on the embossed concave portion is the level of the curable colored transparent resin paint layer on the non-embossed portion. To obtain a curable resin decorative plate 1 which has been depressed and painted. Colored transparent resin paint composition Acrylic polyol 100 parts by weight Hexamethylene diisocyanate 20 parts by weight Colorant (polyazo pigment, calcium carbonate pigment, silica dioxide, outside) 2 parts by weight Solvent [MIBK / xylol = 2/1 50 parts by weight The colored resin-cured veneer obtained by the above-mentioned method has a thick colored transparent resin paint layer formed at a portion corresponding to a conduit portion of an oak grain pattern, whereby a concave portion is formed. The effect of the Wiping effect has appeared,
A coating film composed of a thin colored transparent resin paint layer was also formed on portions other than the conduit portion, and as a whole, the design was very high, very similar to a decorative board obtained by performing a colored coating finish on natural wood.
本発明の着色塗装した硬化型樹脂化粧板の製造方法
は、表面にエンボス凹部を有する硬化型樹脂化粧板から
なる化粧板基体のエンボス表面に対して、ロール間のエ
アーギャップを該化粧板基体の厚さよりも小さくした塗
工ロールによって硬化型着色透明樹脂塗料をロール塗工
した後、これを硬化させることにより、化粧板基体にお
けるエンボス凹部上の硬化型着色透明樹脂塗料層の厚さ
を、非エンボス部上の硬化型着色透明樹脂塗料層の厚さ
の５〜20倍にしてあり、しかも化粧板基体のエンボス凹
部上の硬化型着色透明樹脂塗料層のレベルを、非エンボ
ス部上の硬化型着色透明樹脂塗料層のレベルから陥没さ
せてある硬化型着色透明樹脂塗料層を形成するものであ
る。 従って、本発明の着色塗装した硬化型樹脂化粧板の製
造方法によれば、エンボス凹部に濃色のワイピング化粧
が施してあり、しかも全体を着色塗装したものと同様な
立体効果をを有する硬化型樹脂化粧板が得られることか
ら、際立った彩色効果を呈する意匠性の高い着色塗装し
た硬化型樹脂化粧板が、極く簡単な工程によって的確に
得られる。The method for producing a colored-coated curable resin decorative board according to the present invention includes the steps of: forming an air gap between rolls on the embossed surface of the decorative board base comprising a curable resin decorative board having embossed concave portions on the surface; After the curable colored transparent resin paint is roll-coated with a coating roll having a thickness smaller than the thickness, the cured curable transparent resin paint is cured, whereby the thickness of the curable colored transparent resin paint layer on the embossed recesses in the decorative board substrate is reduced. The thickness of the curable colored transparent resin paint layer on the embossed portion is 5 to 20 times the thickness of the curable colored transparent resin paint layer on the embossed concave portion of the decorative board substrate. A curable colored transparent resin paint layer which is depressed from the level of the colored transparent resin paint layer is formed. Therefore, according to the method for producing a colored-painted curable resin decorative board of the present invention, a dark-colored wiping makeup is applied to the embossed concave portions, and the curable mold having the same three-dimensional effect as that obtained by coloring the whole is obtained. Since the resin decorative board is obtained, a highly designable and colored cured resin decorative board exhibiting a remarkable coloring effect can be accurately obtained by an extremely simple process.
図は、本発明の着色塗装した硬化型樹脂化粧板の製造方
法によって得られた硬化型樹脂化粧板の１例を示す模型
断面図である。 １……着色塗装した硬化型樹脂化粧板 ２……化粧板基体 ３……化粧板基体２の表面のエンボス凹部 ４……化粧板基体２の表面の非エンボス部 ５……硬化型着色透明樹脂塗料層The figure is a model sectional view showing one example of a curable resin decorative board obtained by the method for producing a colored coated curable resin decorative board of the present invention. DESCRIPTION OF SYMBOLS 1 ... Colored hardening resin decorative board 2 ... Decorative board base 3 ... Embossed concave part on the surface of decorative board base 2 4 ... Non-embossed part on the surface of decorative board base 2 5 ... Curable colored transparent resin Paint layer
Claims (4)
粧板からなる化粧板基体のエンボス表面に対して、ロー
ル間のエアーギャップを該化粧板基体の厚さよりも小さ
くした塗工ロールによって硬化型着色透明樹脂塗料をロ
ール塗工した後、これを硬化させることにより、化粧板
基体におけるエンボス凹部上の硬化型着色透明樹脂塗料
層の厚さを、非エンボス部上の硬化型着色透明樹脂塗料
層の厚さの５〜20倍にしてあり、しかも化粧板基体のエ
ンボス凹部上の硬化型着色透明樹脂塗料層のレベルを、
非エンボス部上の硬化型着色透明樹脂塗料層のレベルか
ら陥没させてある硬化型着色透明樹脂塗料層を形成する
ことを特徴とする着色塗装した硬化型樹脂化粧板の製造
方法。1. An embossed surface of a decorative board base comprising a curable resin decorative board having an embossed concave portion on its surface is cured by a coating roll having an air gap between rolls smaller than the thickness of the decorative board base. After the colored transparent resin paint is roll-coated, it is cured, so that the thickness of the curable colored transparent resin paint layer on the embossed concave portion of the decorative board substrate is reduced to the curable colored transparent resin paint layer on the non-embossed portion. 5 to 20 times the thickness of, and the level of the curable colored transparent resin paint layer on the embossed recesses of the decorative board substrate,
A method for producing a colored coated curable resin decorative board, comprising forming a curable colored transparent resin paint layer depressed from the level of the curable colored transparent resin paint layer on the non-embossed portion.
粧板からなる化粧板基体が、化粧板基材と該化粧板基材
上に載置した熱硬化型樹脂含浸化粧紙とを具備する積層
体の熱圧成形体であることを特徴とする特許請求の範囲
第１項記載の着色塗装した硬化型樹脂化粧板の製造方
法。2. A laminate comprising a decorative board base comprising a decorative veneer sheet having embossed concave portions on its surface, and a decorative paper base and a thermosetting resin-impregnated decorative paper placed on the decorative board base. 2. The method for producing a colored and coated curable resin decorative board according to claim 1, which is a hot press molded article.
粧板からなる化粧板基体が、化粧板基材と、該化粧板基
材上に載置した熱硬化型樹脂含浸化粧紙と、該熱硬化型
樹脂含浸化粧紙上に載置した熱硬化型樹脂含浸オーバー
レイ紙とを具備する積層体の熱圧成形体であることを特
徴とする特許請求の範囲第１項記載の着色塗装した硬化
型樹脂化粧板の製造方法。3. A decorative sheet substrate comprising a decorative sheet of a curable resin having embossed recesses on its surface, a decorative sheet substrate, a thermosetting resin-impregnated decorative paper placed on the decorative sheet substrate, 2. A colored and cured curable resin according to claim 1, wherein the laminate is a hot-press molded article comprising a thermosetting resin-impregnated overlay paper placed on a curable resin-impregnated decorative paper. Manufacturing method of decorative board.
色塗装した硬化型樹脂化粧板の製造方法において、化粧
板基材が、熱硬化型樹脂を含浸させたバッカー紙である
ことを特徴とする着色塗装した硬化型樹脂化粧板の製造
方法。4. The method for producing a colored cured curable resin decorative board according to claim 2 or 3, wherein the decorative board base material is a backer paper impregnated with a thermosetting resin. A method for producing a colored resin-cured decorative board, characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62138017A JP2626762B2 (en) | 1987-06-01 | 1987-06-01 | Method for producing colored painted curable resin decorative board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62138017A JP2626762B2 (en) | 1987-06-01 | 1987-06-01 | Method for producing colored painted curable resin decorative board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63302034A JPS63302034A (en) | 1988-12-08 |
| JP2626762B2 true JP2626762B2 (en) | 1997-07-02 |
Family
ID=15212108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62138017A Expired - Fee Related JP2626762B2 (en) | 1987-06-01 | 1987-06-01 | Method for producing colored painted curable resin decorative board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2626762B2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS602187B2 (en) * | 1980-03-19 | 1985-01-19 | 大日本印刷株式会社 | Manufacturing method of matching embossed decorative board |
| JPS58137472A (en) * | 1982-02-05 | 1983-08-15 | Asahi Tokushu Gohan Kk | Method for manufacturing wooden decorative board |
-
1987
- 1987-06-01 JP JP62138017A patent/JP2626762B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| 竹澤尚司編 化粧板ハンドブック Ｐ．１０４、Ｐ．１５４〜６、１７２〜７ 新建材研究所 昭和４８年１０月３０日発行 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63302034A (en) | 1988-12-08 |
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