JPH0463037B2 - - Google Patents

Info

Publication number
JPH0463037B2
JPH0463037B2 JP60019066A JP1906685A JPH0463037B2 JP H0463037 B2 JPH0463037 B2 JP H0463037B2 JP 60019066 A JP60019066 A JP 60019066A JP 1906685 A JP1906685 A JP 1906685A JP H0463037 B2 JPH0463037 B2 JP H0463037B2
Authority
JP
Japan
Prior art keywords
resin
clear
coating layer
inorganic ceramic
protective coating
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
JP60019066A
Other languages
Japanese (ja)
Other versions
JPS61178484A (en
Inventor
Kenichi Tatsumi
Kenji Tsunoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WASHI CHUETSU BOODO KK
Original Assignee
WASHI CHUETSU BOODO KK
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 WASHI CHUETSU BOODO KK filed Critical WASHI CHUETSU BOODO KK
Priority to JP1906685A priority Critical patent/JPS61178484A/en
Publication of JPS61178484A publication Critical patent/JPS61178484A/en
Publication of JPH0463037B2 publication Critical patent/JPH0463037B2/ja
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、保護塗膜層を有する無機質窯業系化
粧板およびその製造方法に関する。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to an inorganic ceramic decorative board having a protective coating layer and a method for producing the same.

〔従来の技術とその問題点〕[Conventional technology and its problems]

従来、石綿セメント板、石綿硅酸カルシウム
板、石膏ボード又はその他窯業系の無機質基板の
塗装については、初めに基板面に適宜目止め処理
を施した後にアクリルウレタン樹脂、アクリル樹
脂、エポキシ樹脂等の樹脂塗料がその上面に塗布
され、これにより耐候性、耐水性、耐アルカリ性
等を備えた化粧板が製造されているが、仕上面は
さほどの硬度を有さないために、硬い部材の接触
によりスリキズ等がつき易い欠点があつた。又従
来の製造方法においては、樹脂塗料として通常使
用されている熱硬化型有機質塗料あるいは加熱乾
燥型有機質塗料の塗布乾燥後に少なくとも10分以
上の冷却工程を必要とし、これに伴い付随の装置
も必要とするので、生産能率上に問題があつた。
Conventionally, when painting asbestos cement boards, asbestos calcium silicate boards, gypsum boards, or other ceramic-based inorganic substrates, the board surface is first subjected to an appropriate sealing treatment and then coated with acrylic urethane resin, acrylic resin, epoxy resin, etc. A resin paint is applied to the top surface, and this produces a decorative board with weather resistance, water resistance, alkali resistance, etc. However, since the finished surface does not have much hardness, it cannot be easily damaged by contact with hard materials. It had the disadvantage of being easily scratched. In addition, in conventional manufacturing methods, a cooling process of at least 10 minutes is required after application and drying of thermosetting organic paint or heat-drying organic paint, which is commonly used as resin paint, and accompanying equipment is also required. Therefore, there was a problem with production efficiency.

〔発明の解決課題〕 本発明は、上記従来の欠点を解決した無機質窯
業系化粧板およびその製造において生産効率を高
め得る方法を提供することを目的とする。
[Problems to be solved by the invention] An object of the present invention is to provide an inorganic ceramic decorative board that solves the above-mentioned conventional drawbacks and a method that can improve production efficiency in its production.

〔問題を解決するための手段〕[Means to solve the problem]

本発明は、目止め処理のなされた無機質窯業系
基板の少なくとも一面に、アクリルウレタン樹
脂、アクリル樹脂、エポキシ樹脂等の樹脂塗料の
被膜層を一種又は複数種設け、更にその表面に
10μ〜300μの膜厚の紫外線硬化型高硬度クリヤー
より形成される保護塗膜層を設けるようにしたも
の、又その製造方法においては、目止め処理のな
された無機質窯業系基板の表面に樹脂塗料を塗布
し、乾燥後その表面に、グラビアオフセツト印刷
機に取り付けたベタ版あるいは、ロールカーテン
コーター等の塗布手段により、紫外線硬化型高硬
度クリヤーを10μ〜300μの均一な膜厚になるよう
に塗布して後、紫外線を照射し硬化させ、クリヤ
ーより形成される保護塗膜層を設ける製造方法
と、目止め処理のなされた無機質窯業系基板に樹
脂塗料を塗布後の乾燥時に基板に熱エネルギーを
蓄積させて、紫外線硬化型高硬度クリヤー中の溶
剤を、この熱を利用して蒸発させて後、紫外線を
照射して、塗布したクリヤーを硬化させ、クリヤ
ーよりり形成される保護塗膜層を設ける構成とし
たものである。
The present invention provides coating layers of one or more types of resin paints such as acrylic urethane resin, acrylic resin, and epoxy resin on at least one surface of an inorganic ceramic substrate that has been subjected to sealing treatment, and further coats the surface of the inorganic ceramic substrate.
A protective coating layer made of ultraviolet curable high-hardness clear with a film thickness of 10μ to 300μ is provided, and in the manufacturing method, a resin coating is applied to the surface of an inorganic ceramic substrate that has been sealed. After drying, apply UV-curable high-hardness clear to the surface to a uniform film thickness of 10μ to 300μ using a coating method such as a solid plate attached to a gravure offset printing machine or a roll curtain coater. After coating, the manufacturing method involves irradiating ultraviolet rays and curing to form a protective coating layer made of clear material, and applying thermal energy to the substrate during drying after applying the resin coating to an inorganic ceramic substrate that has been sealed. The solvent in the UV-curable high-hardness clear is evaporated using this heat, and then UV rays are irradiated to cure the applied clear, forming a protective coating layer formed from the clear. The configuration is such that the

〔実施例〕〔Example〕

実施例 1 まず目止め処理として厚さ6mmの硅酸カルシウ
ム板の表面にロールコーターを用いて、ウレタン
用シンナーで50%希釈した湿気硬化型ウレタンシ
ーラー〔ASシーラー#50・東亜ペイント(株)製〕
を88g/m2の割合で塗布し自然乾燥させ、塗布面
にリバースコーターを用いて紫外線硬化型ポリエ
ステル目止め剤〔デルポフイラー#10グレー・東
亜ペイント(株)製〕を110g/m2で塗布し、360nmを
主波長域とする出力30W/cmの紫外線ランプを30
秒間照射し目止め剤を硬化させ、その表面を320
番のサンドペーパーを装着したワイドベルトサン
ダーを用いて研摩し、発生する研摩粉を除去す
る。以上周知の目止め処理のなされた基板の一面
に、アクリルウレタンエナメル(ウレタンエナメ
ルU・東亜ペイント(株)製)を、ロールコーター及
びフローコーターを用いて110g/m2の割合で塗
布し、80℃で10分間加熱乾燥する。次にグラビア
オフセツト印刷機にベタ版を取り付け11g/m2
割合で紫外線硬化型高硬度クリヤー〔ダイキユア
ラツク・大日本インキ(株)製)を塗布し、360nmを
主波長域とする出力80W/cmの紫外線ランプによ
り紫外線を約3秒間照射することにより高硬度の
保護塗膜層を有する無機質窯業系化粧板を得た。
Example 1 First, as a sealing treatment, a moisture-curing urethane sealer [AS Sealer #50, manufactured by Toa Paint Co., Ltd.] diluted 50% with urethane thinner was applied to the surface of a 6 mm thick calcium silicate plate using a roll coater. ]
was applied at a rate of 88 g/m 2 and air-dried, and then a UV-curable polyester filler (Delpo Filler #10 Gray, manufactured by Toa Paint Co., Ltd.) was applied at 110 g/m 2 on the coated surface using a reverse coater. , 30 UV lamps with an output of 30W/cm with a main wavelength range of 360nm.
Irradiate for seconds to harden the sealant, and then polish the surface to 320°C.
Sand using a wide belt sander equipped with sandpaper to remove any abrasive powder generated. Acrylic urethane enamel (Urethane Enamel U, manufactured by Toa Paint Co., Ltd.) was applied at a rate of 110 g/m 2 using a roll coater and a flow coater to one surface of the board that had undergone the well-known sealing treatment. Heat and dry at ℃ for 10 minutes. Next, the solid plate was attached to a gravure offset printing machine, and an ultraviolet curable high-hardness clear (Daikyuraku, manufactured by Dainippon Ink Co., Ltd.) was applied at a rate of 11 g/m 2 , and an output of 80 W with a dominant wavelength range of 360 nm was applied. An inorganic ceramic decorative board having a highly hard protective coating layer was obtained by irradiating it with ultraviolet light for about 3 seconds using a cm ultraviolet lamp.

以上のように本製造方法においては、紫外線の
僅かな時間の照射による瞬間的な硬化により塗膜
層が形成されるため、この膜が保護膜の役割を果
たし、冷却工程を必要とせずに基材の積み上げが
可能となつた。又表面硬度は鉛筆硬度5Hの高硬
度のものが得られた。なお紫外線硬化型高硬度ク
リヤーの塗膜厚は、極めて高硬度のために300μ
を越える膜厚では表面にワレが発生するので膜厚
は300μ以下に抑える必要があり、10μ以下では膜
としての機能を果さない。
As described above, in this manufacturing method, a coating layer is formed by instantaneous curing by irradiation with ultraviolet rays for a short period of time, so this film plays the role of a protective film and can be used as a base material without the need for a cooling process. It became possible to pile up timber. In addition, a high surface hardness of 5H in pencil hardness was obtained. The coating thickness of the ultraviolet curing high hardness clear is 300μ due to its extremely high hardness.
If the film thickness exceeds 10 μm, cracks will occur on the surface, so the film thickness must be kept below 300 μm, and if it is below 10 μm, it will not function as a film.

実施例 2 目止め処理のなされた厚さ16mmのタイル状にエ
ンボス加工された窯業系押し出し中空成形板の表
面に、ロールコーター及びフローコーターを用い
て、アクリルウレタンエナメル塗料〔ウレタンエ
ナメルU・東亜ペイント(株)製〕を110g/m2を割
合で塗布し、80℃で10分乾燥した後、該成形板に
蓄積される熱エネルギーにより温められているう
ちに、この塗布面に紫外線硬化型高硬度クリヤー
〔セイカビームW−5402・大日精化(株)製〕100部に
対して溶剤20部の割合でフオードカツプ4号で18
秒の粘度に調合してクリヤー樹脂塗料となし、こ
れをエアスプレーで100g/m2の割合で塗布し、
60秒間セツテイング(養生)を行ない、溶剤を蒸
発させた後、360nmを主波長域とする80W/cm以
上の出力を有する紫外線ランプより紫外線を3秒
間程度照射させてクリヤーを硬化させ、高硬度耐
擦傷性塗膜を有する無機質窯業系のタイル調中空
押し出し成形化粧板を得た。
Example 2 Using a roll coater and a flow coater, acrylic urethane enamel paint [Urethane Enamel U/Toa Paint] was applied to the surface of a ceramic extrusion hollow molded plate embossed into a tile shape with a thickness of 16 mm that had been sealed. Co., Ltd.] at a rate of 110 g/m 2 and dried at 80°C for 10 minutes. While being warmed by the thermal energy accumulated in the molded plate, the coated surface was coated with ultraviolet-curable high-temperature Hardness clear [Seika Beam W-5402, manufactured by Dainichiseika Co., Ltd.] 18 with a food cup No. 4 at a ratio of 20 parts of solvent to 100 parts
A clear resin paint was prepared with a viscosity of 100 g/m2, and this was applied by air spray at a rate of 100 g/ m2 .
After setting (curing) for 60 seconds and evaporating the solvent, the clear is cured by being irradiated with ultraviolet light for about 3 seconds from an ultraviolet lamp with an output of 80W/cm or more with a main wavelength range of 360nm. An inorganic ceramic tile-like hollow extrusion decorative board having an abrasion-resistant coating was obtained.

〔発明の効果〕〔Effect of the invention〕

本発明の無機質窯業系基板は上記のように、樹
脂塗料の被膜層を基板上に設けた上に更に、紫外
線硬化型高硬度クリヤー塗膜層をトツプコートと
して被着したので、耐摩耗性、耐擦傷性が優れた
ものとなり、かつ従来品に比し加工性も良くな
り、各種用途に広く使用し得るものであり、又、
その製造方法において、紫外線硬化型高硬度クリ
ヤーの被膜を瞬間的に硬化させるので、この膜が
保護膜となり冷却を行なわずに基材を連続して積
み上げできるために、長いコンベヤーベルトを必
要とせず連続生産が可能で、又高硬度被膜の形成
により、保護紙、保護フイルム等が不要となるな
ど大幅に生産工程を合理化できるものである。
As mentioned above, the inorganic ceramic substrate of the present invention has a coating layer of resin paint on the substrate and further has a UV-curable high-hardness clear coating layer applied as a top coat, so it has excellent abrasion resistance and resistance. It has excellent abrasion resistance and has better workability than conventional products, and can be used in a wide variety of applications.
In the manufacturing method, a UV-curable high-hardness clear film is instantly cured, so this film acts as a protective film and allows the substrates to be stacked continuously without cooling, eliminating the need for long conveyor belts. Continuous production is possible, and the formation of a highly hard coating eliminates the need for protective paper, protective films, etc., greatly streamlining the production process.

Claims (1)

【特許請求の範囲】 1 目止め処理のなされた無機質窯業系基板の少
なくとも一面に、アクリルウレタン樹脂、アクリ
ル樹脂、エポキシ樹脂等の樹脂塗料の被膜層を一
種又は複数種設け、更にその表面に10μ〜300μの
膜厚の紫外線硬化型高硬度クリヤーより形成され
る保護塗膜層を設けたことを特徴とする保護塗膜
層を有する無機質窯業系化粧板。 2 目止め処理のなされた無機質窯業系基板の表
面に、アクリルウレタン樹脂、アクリル樹脂、エ
ポキシ樹脂等の樹脂塗料を塗布し硬化後におい
て、その表面に、グラビアオフセツト印刷機に取
り付けたベタ版あるいはロールカーテンコーター
等の塗布手段により、紫外線硬化型高硬度クリヤ
ーを10μ〜300μの膜厚になるように塗布した後、
紫外線ランプより紫外線を照射して、塗布された
クリヤーを硬化させクリヤーより形成される保護
塗膜層を形成することを特徴とする保護塗膜層を
有する無機質窯業系化粧板の製造方法。 3 目止め処理のなされた無機質窯業系基板の表
面に、アクリルウレタン樹脂、アクリル樹脂、エ
ポキシ樹脂等の樹脂塗料の塗布後の乾燥時におい
て基板に蓄積される乾燥の際の熱風あるいは熱光
線による熱エネルギーを利用して、前記樹脂の被
膜層上に塗布される紫外線硬化型高硬度クリヤー
中の溶剤を蒸発させた後、紫外線ランプより紫外
線を照射して塗布したクリヤーを硬化させ、クリ
ヤーより形成される保護塗膜層を形成することを
特徴とする保護塗膜層を有する無機質窯業系化粧
板の製造方法。
[Claims] 1. On at least one surface of an inorganic ceramic substrate that has been subjected to sealing treatment, one or more coating layers of resin paint such as acrylic urethane resin, acrylic resin, or epoxy resin are provided, and a coating layer of 10 μm is further applied to the surface. An inorganic ceramic decorative board having a protective coating layer formed from an ultraviolet curing high hardness clear having a thickness of ~300μ. 2. A resin paint such as acrylic urethane resin, acrylic resin, or epoxy resin is applied to the surface of the inorganic ceramic substrate that has been sealed, and after curing, a solid plate or a solid plate attached to a gravure offset printing machine is applied to the surface. After applying ultraviolet curable high hardness clear to a film thickness of 10μ to 300μ using a coating method such as a roll curtain coater,
A method for manufacturing an inorganic ceramic decorative board having a protective coating layer, which comprises irradiating ultraviolet rays from an ultraviolet lamp to cure the applied clear and form a protective coating layer formed from the clear. 3. Heat from hot air or hot rays accumulated on the board during drying after applying resin paint such as acrylic urethane resin, acrylic resin, or epoxy resin to the surface of an inorganic ceramic board that has been sealed. After using energy to evaporate the solvent in the ultraviolet curable high hardness clear coated on the resin coating layer, the coated clear is cured by irradiation with ultraviolet rays from an ultraviolet lamp, and the clear is formed from the clear. 1. A method for producing an inorganic ceramic decorative board having a protective coating layer, the method comprising forming a protective coating layer.
JP1906685A 1985-02-01 1985-02-01 Inorganic ceramic dressing board and manufacture Granted JPS61178484A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1906685A JPS61178484A (en) 1985-02-01 1985-02-01 Inorganic ceramic dressing board and manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1906685A JPS61178484A (en) 1985-02-01 1985-02-01 Inorganic ceramic dressing board and manufacture

Publications (2)

Publication Number Publication Date
JPS61178484A JPS61178484A (en) 1986-08-11
JPH0463037B2 true JPH0463037B2 (en) 1992-10-08

Family

ID=11989052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1906685A Granted JPS61178484A (en) 1985-02-01 1985-02-01 Inorganic ceramic dressing board and manufacture

Country Status (1)

Country Link
JP (1) JPS61178484A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000327456A (en) * 1999-05-13 2000-11-28 Ask Corp Substrate for decorative laminated sheet, decorative laminated sheet and its production

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2609897B2 (en) * 1988-03-25 1997-05-14 ワシ中越ボード株式会社 Adjustment method for smooth underlayer of inorganic plate
DE19732621A1 (en) * 1997-07-29 1999-02-04 Basf Ag Use of radiation-curable preparations for coating mineral moldings
JP2001328881A (en) * 2000-05-17 2001-11-27 Inax Corp Method for repairing pottery, artificial stone or the like
JP5401259B2 (en) * 2009-10-27 2014-01-29 ニチハ株式会社 Building board manufacturing method
JP5451310B2 (en) 2009-10-27 2014-03-26 ニチハ株式会社 Building board
JP5985252B2 (en) * 2012-05-21 2016-09-06 株式会社エーアンドエーマテリアル Ceramic-based decorative board and manufacturing method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5518680A (en) * 1978-07-28 1980-02-08 Ricoh Co Ltd Copying machine
JPS55108471A (en) * 1979-02-14 1980-08-20 Hitachi Chem Co Ltd Undercoating curable resin composition
JPS55144485A (en) * 1979-04-25 1980-11-11 Hitachi Chemical Co Ltd Manufacture of inorganic construction material clad matter
JPS59102887A (en) * 1982-11-30 1984-06-14 松下電工株式会社 Method of dressing construction board

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5518680A (en) * 1978-07-28 1980-02-08 Ricoh Co Ltd Copying machine
JPS55108471A (en) * 1979-02-14 1980-08-20 Hitachi Chem Co Ltd Undercoating curable resin composition
JPS55144485A (en) * 1979-04-25 1980-11-11 Hitachi Chemical Co Ltd Manufacture of inorganic construction material clad matter
JPS59102887A (en) * 1982-11-30 1984-06-14 松下電工株式会社 Method of dressing construction board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000327456A (en) * 1999-05-13 2000-11-28 Ask Corp Substrate for decorative laminated sheet, decorative laminated sheet and its production

Also Published As

Publication number Publication date
JPS61178484A (en) 1986-08-11

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees