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Photo-curable resin composition and sealing agent for flat panel display using the same

A resin composition and photocuring technology are applied in the fields of flat panel display sealants and photocurable resin compositions, which can solve problems such as peeling, and achieve the effects of excellent adhesion and good moisture permeability resistance.

Active Publication Date: 2008-07-23
MITSUI CHEM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When this operation is performed, a large stress will be generated on the glass substrate, and if the adhesive force of the sealant is insufficient, there may be a problem of peeling off

Method used

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  • Photo-curable resin composition and sealing agent for flat panel display using the same
  • Photo-curable resin composition and sealing agent for flat panel display using the same
  • Photo-curable resin composition and sealing agent for flat panel display using the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0093] (Preparation of resin composition)

[0094] According to the compounding ratio shown in Table 1, the photocation initiator, the cationic polymerizable compound, the coupling agent, and the inorganic filler fine particles were kneaded with a three-roll kneader to obtain a liquid composition.

Embodiment 2～5， comparative example 1～3

[0096] A resin composition was prepared in the same manner as in Example 1, except that the components shown in Table 1 were used in the amounts shown in Table 1. Various evaluations were performed on the resin compositions shown in Table 1. The results are shown in Table 1.

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Abstract

It is an object of the present invention to provide a photo-curable resin composition which provides a sealing agent for a flat panel display with good moisture permeation resistance and excellent adhesion. The present inventors have conducted extensive studies to solve the above-described problems, and as a result, they have found a photo-curable resin composition which comprises a cationic photopolymerization initiator (A), a cationically polymerizable compound (B), a cyclic polyether compound (C) and another organic compound (D), wherein the amount of (B) is 1.0 to 99.9% by mass and the amount of (C) is 0.0 to 10.0% by mass, both based on the sum of (B), (C) and (D), and the sum (F) of the fluorine atoms in a fluorine-containing organic compound is 0.0 to 40.0% by mass, based on the sum of (B), (C) and (D), and wherein at least 1 / 1000 mass ratio of the (B) component is a compound containing an oxetanyl group, and both of the contents of (C) and (F) are not 0.0% by mass at the same time.

Description

technical field [0001] The present invention relates to a photocurable resin composition having excellent moisture permeability resistance and adhesiveness, and good productivity, and a sealant for flat panel displays using the same. Background technique [0002] In recent years, in the fields of electronics and electric appliances, flat panel displays using various display elements have been developed and manufactured. Most of these displays have display elements sealed in units such as glass and plastic. Representative examples thereof include liquid crystal (LC) displays, electroluminescence (EL) displays, and the like. Among them, EL displays have advantages such as high brightness, high efficiency, and high responsiveness, and are attracting attention as next-generation flat panel displays. Elements include inorganic EL elements and organic EL elements. Although inorganic EL elements have been put into practical use as backlights for watches, etc., there are still tec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G59/00
Inventor 山本裕五水田康司伊东祐一
Owner MITSUI CHEM INC
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