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    • 4. 发明授权
    • Silicone-type coating resin solution
    • 硅胶型涂料树脂溶液
    • US4510283A
    • 1985-04-09
    • US560170
    • 1983-12-12
    • Shiro TakedaMinoru Nakajima
    • Shiro TakedaMinoru Nakajima
    • H01L21/768C08G77/44C09D183/04C09D183/10H01L21/312H01L23/522C08K5/07
    • C09D183/10C08G77/44
    • A silicone-type coating resin solution and a process for preparing the solution. This solution comprises 30 to 60 parts by weight of a hydrolytic condensation polymer of tetramethoxysilane or tetraethoxysilane (PDAS) having a weight average molecular weight of 1,000 to 6,000 and 70 to 40 parts by weight of a polysilsesquioxane prepolymer (PLOS) having a weight average molecular weight of 2,500 to 7,000 and in which each of 5 to 50 mole % of the organic groups attached directly to the silicon atoms is a phenyl group and the remaining organic groups are methyl, ethyl, or vinyl groups, these polymer components being dissolved in an organic solvent having a boiling point of not less than 110.degree. C. under a pressure of 760 mmHg. This solution is prepared by dissolving PDAS and PLOS in an organic solvent having a high boiling point and treating the resultant solution under a reduced pressure of not more than 5 mmHg.
    • 有机硅类涂料树脂溶液及其制备方法。 该溶液包含30至60重量份的重均分子量为1,000至6,000的四甲氧基硅烷或四乙氧基硅烷(PDAS)的水解缩聚物和70至40重量份的具有重均分子量的聚倍半硅氧烷预聚物(PLOS) 重量为2500〜7000,其中5〜50摩尔%直接与硅原子连接的有机基团为苯基,剩余的有机基团为甲基,乙基或乙烯基,这些聚合物成分溶于 在760mmHg的压力下沸点不低于110℃的有机溶剂。 该溶液通过将PDAS和PLOS溶解在具有高沸点的有机溶剂中并在不超过5mmHg的减压下处理所得溶液来制备。