Organic-inorganic compound sensitization resin composition and LCD element using sclerotium thereof
A photosensitive resin, inorganic composite technology, used in optics, optomechanical equipment, nonlinear optics, etc., can solve the problems of high dielectric constant, insufficient heat resistance, low humidity resistance, etc.
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no. 1 example
[0046] The first embodiment (preparation of inorganic sol)
[0047] Adjust the colloidal inorganic matter to be acidic between pH 3 and 5, and then add 1 to 120 parts by weight of organosilane diluted with ethanol, i.e. methyltrimethoxysilane (MTMS) or vinyltrimethoxysilane (VTMS), The organosilane is reacted with the surface of the inorganic nanoparticle to remove water, and the reaction medium is hydrophobized by adding an organic solvent.
[0048] When the trimethoxyl group of MTMS reacts with the surface of the colloidal inorganic material particles, the colloidal inorganic material becomes a form that can be dispersed in the organic resin as the methyl group is exposed on the surface, thereby adjusting the hydrophobicity of the inorganic material surface degree. The three trimethoxyl groups of VTMS condense with the OH groups at the interface of the above-mentioned hydrophobized colloidal inorganic matter to expose the vinyl group, and the above-mentioned hydrophobized c...
no. 2 example
[0049] Second embodiment (preparation of acrylic copolymer)
[0050] Add 10 parts by weight of 2,2'-azobis(2,4-dimethylvaleronitrile), 200 parts by weight of propylene glycol monomethyl ether acetate, 20 parts by weight methacrylic acid, 35 parts by weight of glycidyl methacrylate, 15 parts by weight of methyl methacrylate and 30 parts by weight of styrene and slowly stirred after nitrogen replacement. The above reaction solution was heated to 62°C and maintained at that temperature for 5 hours to prepare a polymer solution including an acrylic copolymer.
[0051] The above-mentioned acrylic copolymer was poured into 5,000 parts by weight of hexane and separated by filtration after precipitation, then added 200 parts by weight of propionate and heated to 30 ° C, the solid concentration was 45% by weight, and the weight of the polymer was The average molecular weight was 11,000. In this case, the weight average molecular weight is the polystyrene conversion average molecular ...
no. 3 example
[0052] The third embodiment (preparation of organic-inorganic composite photosensitive resin composition)
[0053] 100 parts by weight of polymer solution comprising the above-mentioned acrylic copolymer, 15 parts by weight of photoinitiator Irgacure 819, 40 parts by weight of dipentaerythritol hexaacrylate and 10 parts by weight of trimethylol Propane triacrylate, 1 part by weight of silicon-based compound 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane, and 2 parts by weight of silicon-based surfactant F171 were mixed. After adding diethylene glycol dimethyl ether to the above mixture, it was dissolved so that the solid content concentration became 35% by weight.
[0054] The mixing weight ratio of the prepared above-mentioned acrylic copolymer and the inorganic sol prepared in the first embodiment is 95:5.
[0055] Use a 0.2 μm microporous filter to filter the organic-inorganic composite resin composition prepared above to remove impurities. At this time, the viscosity is 15 ...
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Abstract
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