Radiation settability composition for adhesive, polarizing film and manufacturing method thereof

A curable composition, adhesive technology, applied in the direction of adhesive types, polymer adhesive additives, non-polymer adhesive additives, etc., can solve deformation, poor heat and humidity resistance, difficult to maintain high polarization performance and other issues, to achieve excellent moisture and heat resistance, achieve the effect of moisture and heat resistance, and excellent adhesive strength

Inactive Publication Date: 2009-09-23
JSR CORPORATIOON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, since the moisture permeability of the TAC-based protective film is high, there is a problem that the heat and humidity resistance is poor.
That is, in a high-temperature, high-humidity environment such as when being mounted on a vehicle, deformation may occur, and there is a problem that it is difficult to maintain high polarization performance.

Method used

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  • Radiation settability composition for adhesive, polarizing film and manufacturing method thereof
  • Radiation settability composition for adhesive, polarizing film and manufacturing method thereof
  • Radiation settability composition for adhesive, polarizing film and manufacturing method thereof

Examples

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Embodiment

[0220] Hereinafter, the present invention will be described concretely by way of examples.

[0221] [1. Preparation of radiation-curable composition for adhesive]

[0222] Components (A) to (E) and other optional components were put into a container with a stirring device according to the compounding ratio shown in Table 1, and stirred for 4 hours to uniformly mix. Stirring was stopped, and it left still for 24 hours, and the radiation curable composition used in Example 1, 2 was obtained. The radiation curable compositions used in Reference Examples 1 and 2 were obtained in the same manner.

[0223] In addition, the compound names of each component in Table 1 are as follows.

[0224] (A) Ingredients:

[0225] OXT-101: 3-Ethyl-3-hydroxymethyloxetane (manufactured by Toagosei Co., Ltd.)

[0226] (B) Ingredients:

[0227] JER806: bisphenol F type epoxy resin (manufactured by Japan Epoxy Resin Co., Ltd.)

[0228] JER828: bisphenol A type epoxy resin (manufactured by Japan E...

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Abstract

Provided is a radiation settability composition for an adhesive with excellent coating character, capable of manufacturing a polarizing film with an excellent wetheat resistance and adhesive strength in a short time by a simple manufacturing procedure, a polarizing film manufactured by the composition, and a method for manufacturing the polarizing film. The composition includes (A) a compound having trimethylene oxide, (B) a epoxy compound having a aromatic ring structure, (C) at least one compound selected from (C1) aliphatic compound having an epoxyethane group and (C2) alicyclic ring type compound having a epoxyethane group, (D) a compound with a number average molecular weight more than 500 by polystyrol measured through gel infiltration color spectrum and having more than two of hydroxyl, (F) a compound with a degree of viscosity less than 10MPa / s at a temperature of 25 DEG C and having one hydroxyl, and (E) light acid-production agent. The polarizing film is formed by laminating protective layers through adhesive layers formed by a condensate of the above composition on two faces of a polyvinyl alcohol type polarizing membrane.

Description

technical field [0001] The present invention relates to a radiation curable composition for an adhesive, a polarizer formed using the radiation curable composition for an adhesive, and a method for producing a polarizer. Background technique [0002] In recent years, liquid crystal display devices have been widely used as display devices for displaying characters, images, and the like. Such a liquid crystal display device generally includes two polarizers, and a liquid crystal cell that is arranged between the two polarizers, a glass substrate, a transparent electrode, a color filter, an alignment film, liquid crystal, and the like. [0003] In general, the polarizing plate used in the liquid crystal display device is a polarizing film (polarizing film) formed by adsorbing iodine or a dichroic dye on a stretched polyvinyl alcohol (hereinafter also referred to as PVA)-based sheet. One or both surfaces of the device) are bonded with a protective film such as a triacetyl cellu...

Claims

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Application Information

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IPC IPC(8): C09J163/02C09J163/00C09J163/04C09J4/06G02B5/30C09D11/03C09D11/06G02F1/1335
CPCC09J9/00C09J11/06C09J11/08C09J163/00G02B5/30
Inventor 桂裕一郎篠原宣康
Owner JSR CORPORATIOON
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