JP2890838B2 - Manufacturing method of decorative sheet for exterior - Google Patents
Manufacturing method of decorative sheet for exteriorInfo
- Publication number
- JP2890838B2 JP2890838B2 JP2337202A JP33720290A JP2890838B2 JP 2890838 B2 JP2890838 B2 JP 2890838B2 JP 2337202 A JP2337202 A JP 2337202A JP 33720290 A JP33720290 A JP 33720290A JP 2890838 B2 JP2890838 B2 JP 2890838B2
- Authority
- JP
- Japan
- Prior art keywords
- exterior
- sheet
- decorative sheet
- manufacturing
- protective layer
- 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
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Laminated Bodies (AREA)
Description
本発明は、外装用化粧シートの製造方法の改良に関す
る。The present invention relates to an improvement in a method for manufacturing a decorative sheet for exterior use.
外装用の化粧シートは、一般に、プラスチックの基材
シート上に絵柄印刷層、および表面保護層を設けた構成
を有する。このような化粧シートは、基材シートに絵柄
を印刷し、その上に表面保護層となる耐候性の高いプラ
スチックのシートを積層することによって製造してい
る。 表面保護層の形成をシートの積層でなく塗装によって
行なうことができれば、生産性、経済性の面で有利であ
る。塗装は、アクリル樹脂系の耐候性塗料を使用すれば
可能であるが、近年では外装用化粧シートに対する品質
の要求が高くなり、表面保護層に、より高い耐候性をも
つフッ素樹脂を使用しなければならなくなってきた。し
かし、フッ素樹脂をビヒクルとする塗料の塗布は、塗工
適性、塗膜のレベリング、基材シートへのアタック、基
材シートと保護層との接着性など多くの問題があり、実
用化に至っていない。The exterior decorative sheet generally has a configuration in which a pattern printing layer and a surface protective layer are provided on a plastic base sheet. Such a decorative sheet is manufactured by printing a pattern on a base sheet and laminating a highly weather-resistant plastic sheet serving as a surface protective layer thereon. If the surface protective layer can be formed by coating instead of laminating the sheets, it is advantageous in terms of productivity and economy. Painting is possible using acrylic resin-based weather-resistant paint, but in recent years the quality requirements for exterior decorative sheets have increased, and fluoropolymers with higher weather resistance must be used for the surface protective layer. I have to do it. However, application of paint using fluororesin as a vehicle has many problems such as coating suitability, leveling of the coating film, attack on the base sheet, and adhesion between the base sheet and the protective layer, and has been put to practical use. Not in.
本発明の目的は、塗料の塗布によってフッ素樹脂の表
面保護層の形成を実現した、外装用化粧シートの製造方
法を提供することにある。An object of the present invention is to provide a method for manufacturing a decorative sheet for exterior use, in which a surface protective layer of a fluororesin is formed by applying a paint.
本発明の外装用化粧シートの製造方法は、プラスチッ
クの基材シート上に絵柄を印刷し、その上に、ビヒクル
としてポリフッ化ビニリデンを使用し希釈溶剤としてシ
クロヘキサンまたは酢酸ブチルを使用したフッ素樹脂塗
料を塗布し、ついで温度40〜80℃の条件で塗膜を乾燥さ
せて表面保護層を形成することからなる。 本発明で基材シートの材料として使用するプラスチッ
クは、たとえばポリエチレン、ポリプロピレン、ポリ塩
化ビニル、ポリ塩化ビニリデン、各種アクリル樹脂、ポ
リビニルアルコール、ポリエチレンテレフタレート、ポ
リカーボネート、ナイロン、ポリスチレン、エチレン−
酢酸ビニル共重合体、エチレン−ビニルアルコール共重
合体、アイオノマーである。 基材シートへの絵柄の印刷は、グラビア印刷など通常
の印刷手法に従えばよい。印刷インキはとくに限定され
ないが、耐候性顔料を含有するものが好ましい。 絵柄を印刷するインキに無機系の耐候性顔料とくに酸
化鉄を添加する場合は、酸化鉄が触媒となってひきおこ
す分解反応に対して抵抗力のあるプラスチック、たとえ
ばポリエステル、ポリエーテルケトン、ポリカーボネー
ト、三酢酸セルロース、アクリル樹脂を用いて、上記の
プラスチックシートの上面に隔離層を設けることが好ま
しい。 塗料の塗布は、グラビアコート、ロールコート、ダイ
コート、コンマコート、バーコート、ナイフコートなど
既知の手段で行なえばよい。塗工厚さは、５〜30μｍ程
度が適当である。 本発明で使用する塗料には、微粉末亜鉛華、ベンゾト
リアゾール、ベンゾフェノン等の紫外線吸収剤を添加し
ておくことが好ましい。The manufacturing method of the decorative sheet for exterior of the present invention, a pattern is printed on a plastic base sheet, and on that, a fluororesin paint using cyclohexane or butyl acetate as a diluent solvent using polyvinylidene fluoride as a vehicle. Coating, and then drying the coating film at a temperature of 40 to 80 ° C. to form a surface protective layer. The plastic used as a material of the base sheet in the present invention is, for example, polyethylene, polypropylene, polyvinyl chloride, polyvinylidene chloride, various acrylic resins, polyvinyl alcohol, polyethylene terephthalate, polycarbonate, nylon, polystyrene, ethylene-
A vinyl acetate copolymer, an ethylene-vinyl alcohol copolymer, and an ionomer. The printing of the pattern on the base sheet may be performed according to a normal printing method such as gravure printing. The printing ink is not particularly limited, but preferably contains a weather-resistant pigment. When inorganic weathering pigments, especially iron oxide, are added to inks for printing pictures, plastics, such as polyester, polyetherketone, polycarbonate, and polyester, which are resistant to decomposition reactions caused by iron oxide as a catalyst. It is preferable to provide an isolation layer on the upper surface of the plastic sheet using cellulose acetate or an acrylic resin. The application of the paint may be performed by a known means such as a gravure coat, a roll coat, a die coat, a comma coat, a bar coat, and a knife coat. An appropriate coating thickness is about 5 to 30 μm. It is preferable to add an ultraviolet absorber such as zinc fine powder, benzotriazole, and benzophenone to the paint used in the present invention.
本発明の製造方法は、塗料としてビヒクルがポリフッ
化ビニリデン、溶剤がシクロヘキサンまたは酢酸ブチル
からなるものを使用し、乾燥温度を40〜80℃にえらんだ
ことにより、フッ素樹脂の表面保護層をコーティングに
よって形成できる。The production method of the present invention uses, as a paint, a vehicle consisting of polyvinylidene fluoride and a solvent consisting of cyclohexane or butyl acetate, and by selecting a drying temperature of 40 to 80 ° C, coating the surface protective layer of the fluororesin by coating. Can be formed.
基材シートとして厚さ130μｍの外装用塩ビシート「A
8800」（バンド−化学製）を使用し、その表面に、厚さ
15μｍのアクリル樹脂のフィルム「HBCO10」（三菱レー
ヨン製）を熱ラミネーションして隔離層としたシートを
用意した。このシートのアクリル樹脂フィルム側に、塩
酢ビ・アクリル混合系インキ「Ｃ−28」（昭和インク工
業所製）で絵柄を印刷した。 下記の組成のフッ素樹脂塗料を調製した。 ポリフッ化ビニリデン 17.5％ （Tg:95℃） 溶剤（シクルヘキサノン） 82.5％ 上記の絵柄印刷面にこの塗料をグラビアコートし、70
℃の温風吹きつけにより乾燥して、厚さ15μｍ表面保護
層を形成した。130μm thick exterior PVC sheet “A
8800 ”(Band-manufactured by Kagaku).
A sheet was prepared by heat laminating a 15 μm acrylic resin film “HBCO10” (manufactured by Mitsubishi Rayon) as an isolation layer. On the acrylic resin film side of this sheet, a pattern was printed with a polyvinyl chloride / acrylic mixed ink “C-28” (manufactured by Showa Ink Industries, Ltd.). A fluororesin paint having the following composition was prepared. Polyvinylidene fluoride 17.5% (Tg: 95 ° C) Solvent (cycle hexanone) 82.5% This paint is gravure coated on the printed surface of the picture,
Drying was performed by blowing hot air at a temperature of ° C to form a surface protective layer having a thickness of 15 µm.
本発明の方法によれば、耐候性の高い外装用化粧シー
トを、ラミネートでなく塗装という、より簡易な作業で
製造できる。このため、外装用化粧シートの製造費を低
減できた。ADVANTAGE OF THE INVENTION According to the method of this invention, the decorative sheet for exterior with high weather resistance can be manufactured by simpler work of painting rather than laminating. For this reason, the manufacturing cost of the decorative sheet for exterior was able to be reduced.
Claims (2)
し、その上に、ビヒクルとしてポリフッ化ビニリデンを
使用し希釈溶剤としてシクロヘキサンまたは酢酸ブチル
を使用したフッ素樹脂塗料を塗布し、ついで温度40〜80
℃の条件で塗膜を乾燥させて表面保護層を形成すること
からなる外装用化粧シートの製造方法。1. A pattern is printed on a plastic base material sheet, and a fluororesin paint using cyclohexane or butyl acetate as a diluting solvent is applied thereon using polyvinylidene fluoride as a vehicle. 80
A method for producing a decorative sheet for exterior, comprising forming a surface protective layer by drying a coating film at a temperature of ° C.
剤性が高く無機顔料に侵されないプラスチックの隔離層
を設けたのち、フッ素樹脂塗料の塗装を行なう請求項１
の製造方法。2. The method according to claim 1, further comprising the step of providing a plastic separating layer having high solvent resistance and not being attacked by inorganic pigments on the surface of the plastic base sheet, and then applying a fluororesin paint.
Manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2337202A JP2890838B2 (en) | 1990-11-30 | 1990-11-30 | Manufacturing method of decorative sheet for exterior |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2337202A JP2890838B2 (en) | 1990-11-30 | 1990-11-30 | Manufacturing method of decorative sheet for exterior |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04203156A JPH04203156A (en) | 1992-07-23 |
| JP2890838B2 true JP2890838B2 (en) | 1999-05-17 |
Family
ID=18306401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2337202A Expired - Fee Related JP2890838B2 (en) | 1990-11-30 | 1990-11-30 | Manufacturing method of decorative sheet for exterior |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2890838B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753885A (en) * | 2013-12-24 | 2014-04-30 | 烨辉（中国）科技材料有限公司 | High-warranty PVDF (polyvinylidene fluoride) color coated steel sheet |
-
1990
- 1990-11-30 JP JP2337202A patent/JP2890838B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04203156A (en) | 1992-07-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080226 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090226 Year of fee payment: 10 |
|
| LAPS | Cancellation because of no payment of annual fees |