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Coating composition forming micro concavo-convex on surface and application thereof

A technology of micro-concave-convex and composition, applied in the direction of coating, optics, instruments, etc., can solve the problem of anti-glare and other problems

Inactive Publication Date: 2007-09-19
NIPPON PAINT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] On the other hand, the technology of mixing a fluorine-containing resin into a film is described in JP-A-2005-300567 (Patent Document 3), but this film is a low-refractive index layer formed on the anti-glare layer, which utilizes The refractive index of fluorine-containing resin is not an invention related to anti-glare properties

Method used

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  • Coating composition forming micro concavo-convex on surface and application thereof
  • Coating composition forming micro concavo-convex on surface and application thereof
  • Coating composition forming micro concavo-convex on surface and application thereof

Examples

Experimental program
Comparison scheme
Effect test

manufacture example 1

[0085] Production example 1 (production of fluorine-containing microparticles)

[0086] 800 parts of pure water and 8 parts of sodium dodecylbenzenesulfonate emulsifier were charged into a 1 L round flask, and the temperature was raised to 80°C. Then, 4 parts of potassium persulfate were added, and 200 parts of diethyl trifluoroacrylate was added dropwise for 3 hours. After the dropwise addition, it was aged for about 5 hours, and then dried in a vacuum drying device to obtain a particle size of 0.1 μm. Fluorine particles. The fluorine content of the fluorine-containing fine particles was 34% by weight.

Embodiment 1

[0088] Component (b) 0.5 parts of fluorine-containing microparticles (34% fluorine content, average particle diameter 0.1 μ m) of the above-mentioned production example 1, component (c) 80 parts of propylene glycol monomethyl ether acetate, photoreaction initiator (diphenyl Acyl derivatives, "Irugacyua-651" manufactured by Chiba Specialty Chemical Co., Ltd.) 0.4 parts, 0.2 parts of fluorine-containing surface tension regulators ("Megafac F-470" manufactured by Dainippon Inki Co., Ltd.) were added to component (a) In 20 parts of binder (acrylic resin oligomer, "Light Acrylic TMP-3EO-A" manufactured by Kyoeisha Chemical Co., Ltd.), stir at 800 rpm with a disperser for 1 hour at a temperature of 25°C , to obtain a coating solution.

[0089] The coating solution was coated on a polyethylene terephthalate film with a film thickness of 188 μm using a wire bar coater #14, dried at 80° C. for 2 minutes, and then sprayed with a UV exposure machine (Octopus). Company system) at 1000mJ / ...

Embodiment 2

[0091] Except that the fluorine-containing microparticles of the component (b) in Example 1 were changed to 1.0 part, other implementations were the same as in Example 1.

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Abstract

The invention provides a coating composition which forms superfine recesses and protuberances on a surface during solidification, free degrees of selecting resin or the like during producing are very high, and performance of adhesive resin can be directly converted into the performance of a film. The invention provides a coating composition which forms superfine recesses and protuberances on a surface during solidification, and application thereof, the composition contains (a) a heat solidified or light solidified adhesive and (b) fluorin-containing resin particles.

Description

technical field [0001] The present invention relates to a coating composition for forming fine unevenness on the surface and its application, in particular to an anti-glare film. Background technique [0002] Liquid crystal display devices (liquid crystal displays) are thin, light, and low in power consumption, and are used in various fields such as computers, word processors, televisions, mobile phones, and portable information terminals. For these liquid crystal display devices, an anti-glare (AG: Anti Glare) film for roughening the surface, a low reflection (LR: Low Reflection) film for adjusting the refractive index, and an anti-reflection film (AR: Anti Reflection) are provided on the display surface. Wait. In this way, it is possible to eliminate defects such as lowering of contrast due to reflection of external light and reflection of the background on the surface of the display. [0003] As a method of manufacturing an anti-glare film for improving the display perf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D201/04G02B1/10C08J7/04C09D201/00
CPCC08J5/18C08L101/04C09D5/00C09D201/00C09D7/20
Inventor 藤田稔贵田克明
Owner NIPPON PAINT CO LTD