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Polyester film having coating layer

A technology of coating layer and polyester film, applied in the direction of coating, layered products, synthetic resin layered products, etc., can solve the problem that the economy and printability may not be sufficient, and achieve the purpose of inhibiting peeling and charging and easy peeling. , Excellent handling effect

Inactive Publication Date: 2013-06-26
MITSUBISHI PLASTICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this film may not be sufficient in terms of economy and printability.

Method used

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  • Polyester film having coating layer
  • Polyester film having coating layer
  • Polyester film having coating layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] The coating amount is (before drying) about 9.1 (g / m 2 ) on a 38 μm thick biaxially stretched PET film (manufactured by Mitsubishi Plastics Corporation: DIAFOIL T100-38) was coated with a composition having the following composition, and heat-treated at 140° C. for 20 seconds to obtain a coated film.

[0068] "Composition Contents"

[0069]

[0070] (Manufactured by Shin-Etsu Chemical Co., Ltd., "KBM-3103C")

[0071] 300 parts by weight of methyl ethyl ketone

[0072] 300 parts by weight of methyl isobutyl ketone

Embodiment 2

[0074] Except in Example 1, set the coating amount (before drying) to about 6.7 (g / m 2 ) except that a coating film was obtained in the same manner as in Example 1.

Embodiment 3

[0076] In Example 1, except having changed the composition into the following composition, it manufactured similarly to Example 1, and obtained the release film.

[0077] "Composition Contents"

[0078]

[0079] (Manufactured by Shin-Etsu Chemical Co., Ltd., "KBM-3103C")

[0080] 210 parts by weight of methyl ethyl ketone

[0081] 210 parts by weight of methyl isobutyl ketone

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Abstract

Provided is a substrate for a highly transparent, polarizing plate protective film which has excellent antistatic properties, chemical resistance, excoriation resistance, handleability, transparency, etc., facilitates inspections for detecting micro defects, etc., and when used for liquid crystal display panel applications, for example, exhibits effective anti-adhesion properties for adhesives, dirt, etc., can be peeled easily when being stripped off as waste after it has served its purpose as protection for a polarizing plate, has inhibitory effects on peeling electrification, and is able to prevent problems caused by peeling electrification such as damages to circuits which are connected to the liquid crystal display panel. That is, there is provided a polyester film having a coating layer on one side of the polyester film, wherein the coating layer comprises carbon nanotubes, a fluorine-based water repellent and an alkoxysilane compound.

Description

technical field [0001] The present invention relates to a film excellent in antistatic property, having moderate waterproofness and printability, and particularly a film which can be favorably used as a base material for a polarizing plate protective film via an adhesive or the like. The polarizing plate attached to the liquid crystal display panel is used to protect the surface of the polarizing plate. Background technique [0002] Generally, a liquid crystal display panel is manufactured by laminating polarizing plates on both sides of a liquid crystal element that seals liquid crystal between two substrates. A protective film is attached to the surface of the polarizer to prevent scratches and dust on the surface of the polarizer during the manufacturing distribution process and the assembly process of various display devices such as computers, word processors, and televisions. Sometimes the polarizing direction, batch number, etc. are printed on the protective film. Af...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/04B32B27/18B32B27/36G02B1/10G02B5/30C08J7/043C08J7/044
CPCG02B5/30G02B27/0006C08J2367/02C08J7/08C08J2427/12C08J2483/04Y10T428/31663C08J7/0427C08J7/043C08J7/044B32B27/18B32B27/36C08K5/5419C08K3/041C08J2367/00C08J2400/00G02B1/18G02B1/16
Inventor 林崎惠一
Owner MITSUBISHI PLASTICS INC