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    • 2. 发明申请
    • Polysiloxane sols method for the production and use thereof
    • 聚硅氧烷溶胶的制造及使用方法
    • US20050090635A1
    • 2005-04-28
    • US10498784
    • 2002-12-30
    • Peter HommmesManuela NiemeierHeinz-Peter RinkJochem HenkelmannLucien Thil
    • Peter HommmesManuela NiemeierHeinz-Peter RinkJochem HenkelmannLucien Thil
    • C08G77/26C08G77/58C09D5/46C09D183/08C09D183/14C08G77/12
    • C09D183/14C08G77/26C08G77/58C09D183/08
    • Polysiloxane sols preparable by subjecting (1) in a first stage (A) a silicon compound of the general formula I: (ZoL-)mSi(H)n(R)p  (I), which is free of carbamate groups and where o is an integer from 1 to 5; m is 0, 1, 2 or 3; n is an integer from 1 to 4; p is 0, 1 , 2 or 3; Z is a reactive functional group, excluding carbamate group; L is an at least divalent, linking, organic group; H is a hydrolyzable, monovalent, organic group or hydrolyzable atom; R is a nonhydrolyzable, monovalent, organic group; to partial hydrolysis and condensation in the presence (B) of at least one crosslinking agent, and then subjecting (2) in a further stage, the reaction mixture (1) to complete hydrolysis and condensation with (C) a hydrolyzable, carbamate-functional silicon compound of the general formula II: {[HR1N—(O)C—O—]rL-}sSi(H)t(R)u  (II) where R1 is a hydrogen atom or group R; r is an integer from 1 to 5; s is 1, 2 or 3; t is 1, 2 or 3; u 0, 1 or 2; and their use as coating materials, adhesives, and sealing compounds and also for producing optical moldings and self-supporting films.
    • 通过在(1)第一阶段(A)中对通式I的硅化合物进行(1)制备的聚硅氧烷溶胶:<?in-line-formula description =“In-line Formulas”end =“lead”→>(Z 它不含氨基甲酸酯基团,其中o是1-5的整数; m为0,1,2或3; n是1至4的整数; p为0,1,2或3; Z为反应性官能团,不含氨基甲酸酯基; L是至少二价的,连接的有机基团; H是可水解的,一价的,有机基团或可水解的原子; R是不可水解的,一价的有机基团; 在至少一种交联剂的存在(B)下部分水解和缩合,然后在(2)的另一阶段中使反应混合物(1)完全水解和缩合(C)可水解的氨基甲酸酯官能 通式II的硅化合物:<?in-line-formula description =“In-line formula”end =“lead”?> {[HR <1> N(O)CO - (II) (II) 公式description =“In-line Formulas”end =“tail”?>其中R 1是氢原子或基团R; r为1〜5的整数; s为1,2或3; t为1,2或3; u 0,1或2; 以及它们作为涂料,粘合剂和密封剂的用途,以及用于生产光学模制品和自支撑膜。