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Optical film with adhesive and optical laminate

A technology for optical laminates and adhesive layers, applied in the direction of adhesive types, ester copolymer adhesives, polymer adhesive additives, etc., to achieve the effects of inhibiting deterioration, excellent in lightness, and excellent in durability

Inactive Publication Date: 2016-01-27
SUMITOMO CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the method described in Patent Document 3, there is room for improvement in optical durability.

Method used

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  • Optical film with adhesive and optical laminate
  • Optical film with adhesive and optical laminate
  • Optical film with adhesive and optical laminate

Examples

Experimental program
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Effect test

Embodiment 1～4、 comparative example 1 and 2

[0198] (a) Preparation of Adhesive Composition

[0199] Using the ethyl acetate solution having a concentration of 20% of the acrylic resin obtained in Polymerization Example 1, each amount of the above antistatic agent shown in Table 2, the antistatic agent shown in Table 2 was added to 100 parts of each solid content Each amount of the above-mentioned crosslinking agent and each amount of the above-mentioned silane compound shown in Table 2 were mixed, and ethyl acetate was added so that the solid content concentration became 13%, respectively, to prepare adhesive compositions. In addition, the crosslinking agent was obtained as an ethyl acetate solution, and the addition amount shown in Table 2 was the solid content amount.

[0200] (b) Preparation of adhesive sheet

[0201] Apply the above-mentioned (a) to the release-treated surface of a polyethylene terephthalate film [available from lintec Co., Ltd. under the trade name "T204" and referred to as a release layer] using ...

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Abstract

The invention provides an optical film with an adhesive and an optical laminate. The optical film is provided with an adhesive layer on a polarizing film and has adhesive. The adhesive layer is made of an adhesive composition comprising crylic acid resin and silicohydride compound which does not contain an epoxy group or a primary amino group. Moreover, the sum of the thickness of the polarizing film and the thickness of the adhesive layer is less than 55 microns.

Description

technical field [0001] The present invention relates to an optical film with an adhesive in which an adhesive layer is directly formed on one surface of a polarizing film, and an optical laminate. Background technique [0002] Liquid crystal display devices have been used in desktop computers, electronic watches, etc. in recent years, and their applications have rapidly expanded in recent years, and can be used in mobile devices such as mobile phones to large TVs regardless of the screen size. In addition to liquid crystal display devices, organic electroluminescent (organic EL) display devices also tend to increase mainly for mobile applications. Not only is there an increasing need for polarizing plates used in these image display devices, but performances suitable for various applications are required. [0003] The above-mentioned polarizing plate is generally constituted by laminating protective films on both surfaces of a polarizing film made of a polyvinyl alcohol-bas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/02C09J133/08C09J11/06C09J11/08G02B5/30G02B1/04
Inventor 韩银九郑炳琁阪上智惠
Owner SUMITOMO CHEM CO LTD