Sealant for liquid crystal display element, vertical conduction material, and liquid crystal display element
A technology of liquid crystal display elements and sealants, which is applied in the direction of chemical instruments and methods, modified epoxy resin adhesives, instruments, etc., and can solve problems such as difficulty in making adhesiveness and moisture permeability prevention
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Examples
Embodiment 1
[0152] Using a planetary mixer (manufactured by THINKY CORPORATION, "あわとり Taro"), 75 parts by weight of caprolactone-modified bisphenol A epoxy acrylate (manufactured by DAICEL-ALLNEX LTD., "EBECRYL3708") as the polymerizable compound (a), and 75 parts by weight as the polymerizable compound (b) 10 parts by weight of 2-hydroxy-3-phenoxypropyl acrylate (manufactured by Kyoeisha Chemical Co., Ltd., "Epoxy Ester M-600A"), partially acryloyl-modified bisphenol E type as the polymerizable compound (c) 15 parts by weight of epoxy resin (manufactured by DAICEL-ALLNEX LTD., "KRM8287"), 1-(4-(phenylthio)phenyl)-1,2-octanedione as photoradical polymerization initiator 1 part by weight of 2-(O-benzoyl oxime) (manufactured by BASF Corporation, "IRGACURE OXE01"), 1 part by weight of malonate dihydrazide (manufactured by Otsuka Chemical Co., Ltd., "MDH") as a thermosetting agent, 50 parts by weight of silica (Admatechs Co., Ltd., "Admafine SO-C2") as a filler, 3-glycidoxypropyltrimethoxys...
Embodiment 2～10 and comparative example 1、2
[0155] The sealing compound for liquid crystal display elements of Examples 2-10 and Comparative Examples 1 and 2 were prepared by stirring and mixing each material of the compounding ratio shown in Table 1 similarly to Example 1.
[0156] For each of the obtained sealing agents for liquid crystal display elements, cured products were produced in the same manner as in Example 1, and the storage moduli at 25° C. and 60° C. measured in the same manner as in Example 1 are shown in Table 1 for each of the obtained cured products. .
[0157]
[0158] The following evaluation was performed about each sealing compound for liquid crystal display elements obtained by the Example and the comparative example. The results are shown in Table 1.
[0159] (glass transition temperature)
[0160] Using a metal halide lamp, each liquid crystal display element sealant obtained in Examples and Comparative Examples was irradiated with 100 mW / cm for 30 seconds. 2 After ultraviolet rays (wavele...
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Abstract
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