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    • 4. 发明授权
    • Thermosetting silicone resin molding composition
    • 热固性硅树脂成型组合物
    • US4144222A
    • 1979-03-13
    • US820024
    • 1977-07-28
    • Hideo ShinmiTsuneo Hanada
    • Hideo ShinmiTsuneo Hanada
    • C08L83/00C08L83/04
    • C08K5/57C08K3/0016C08G77/12C08G77/16C08G77/70
    • An improved thermosetting silicone resin molding composition characterized by consisting essentially of 100 parts by weight of organopolysiloxane resin having organic radical: Si ratio of 1.0:1 to 1.7:1 and containing at least 0.2% by weight of silicon-bonded hydroxyl groups, organohydrogenpolysiloxane containing at least one silicon bonded hydrogen atom in each molecule thereof, said organohydrogenpolysiloxane being in such an amount that the number of the hydrogen atoms per hydroxyl group in said organopolysiloxane is between 0.001 and 0.30, 0.01 to 15 parts by weight of organotin oxide, and 50 to 700 parts by weight of an inorganic filler.
    • 一种改进的热固性硅树脂模塑组合物,其特征在于基本上由100重量份的有机基团硅比率为1.0:1至1.7:1的有机聚硅氧烷树脂组成,并含有至少0.2重量%的与硅键合的羟基,含有有机基聚硅氧烷的有机氢聚硅氧烷含有 每个分子中至少有一个硅键合的氢原子,所述有机氢聚硅氧烷的量使得所述有机聚硅氧烷中每个羟基的氢原子数为0.001至0.30,0.01至15重量份的有机锡氧化物,和50 至700重量份的无机填料。
    • 6. 发明授权
    • Composition for forming liquid crystal film, optically anisotropic film, and production method thereof
    • 用于形成液晶膜的组合物,光学各向异性膜及其制备方法
    • US07427363B2
    • 2008-09-23
    • US10581747
    • 2004-08-31
    • Zemin ShiTadashi AkamatsuMichio SatoTsuneo Hanada
    • Zemin ShiTadashi AkamatsuMichio SatoTsuneo Hanada
    • C09K19/00C09K19/52
    • C09K19/3852C09K19/406C09K19/408C09K2019/328C09K2219/03Y10T428/10
    • A simple technique for introducing a hybrid alignment or a homeotropic (vertical) alignment into liquid crystal films, which, by their nature, tend to have a horizontal alignment of liquid crystal molecules. The technique does not require special alignment films.A liquid crystal composition for forming a liquid crystal film contains a polymerizable liquid crystal compound and a hydrolysate of an alkoxysilane compound. The hydrolysate of the alkoxysilane compound contains a siloxane oligomer of which degree of polymerization is from 2 to 25. Furthermore, the alkoxysilane compound is a trialkoxysilane compound having a functional group. This liquid crystal film composition can be produced by hydrolyzing an alkoxysilane compound to obtain a hydrolysate and then uniformly mixing the hydrolysate with a polymerizable liquid crystal compound. Alternatively, it can be obtained by uniformly mixing the alkoxysilane compound with the polymerizable liquid crystal compound and subsequently hydrolyzing the alkoxysilane compound in the mixture. One mole of the alkoxysilane compound is preferably hydrolyzed with 0.1 d to 2.0 d mol of water, given that the number of alkoxyl groups in a molecule of the alkoxysilane compound is d. An optically anisotropic film can be obtained by applying the liquid crystal film composition to a base film, causing the liquid crystal molecules in the composition to alignment in a nematic alignment, and curing the composition. The alignment of the liquid crystal molecules in the film is preferably a nematic hybrid or nematic hemeotropic (vertical) alignment.
    • 用于将混合取向或垂直(垂直)取向引入液晶膜的简单技术,其本质上倾向于具有液晶分子的水平取向。 该技术不需要特殊的取向膜。 用于形成液晶膜的液晶组合物含有可聚合液晶化合物和烷氧基硅烷化合物的水解产物。 烷氧基硅烷化合物的水解物含有聚合度为2〜25的硅氧烷低聚物。此外,烷氧基硅烷化合物为具有官能团的三烷氧基硅烷化合物。 该液晶膜组合物可以通过水解烷氧基硅烷化合物得到水解产物,然后将水解产物与可聚合液晶化合物均匀混合来制备。 或者,可以通过将烷氧基硅烷化合物与可聚合液晶化合物均匀混合,然后水解该混合物中的烷氧基硅烷化合物而获得。 考虑到烷氧基硅烷化合物分子中的烷氧基数为d,1摩尔烷氧基硅烷化合物优选用0.1d至2.0dmol的水进行水解。 可以通过将液晶膜组合物施加到基膜上,使组合物中的液晶分子以向列取向取向并固化该组合物,从而获得光学各向异性膜。 膜中的液晶分子的取向优选为向列混合或向列型共蒸发(垂直)取向。
    • 8. 发明申请
    • Composition for forming liquid crystal film, optically anisotropic film, and production method thereof
    • 用于形成液晶膜的组合物,光学各向异性膜及其制备方法
    • US20070114491A1
    • 2007-05-24
    • US10581747
    • 2004-08-31
    • Zemin ShiTadashi AkamatsuMichio SatoTsuneo Hanada
    • Zemin ShiTadashi AkamatsuMichio SatoTsuneo Hanada
    • C09K19/52C09K19/54C09K19/38
    • C09K19/3852C09K19/406C09K19/408C09K2019/328C09K2219/03Y10T428/10
    • A simple technique for introducing a hybrid alignment or a homeotropic (vertical) alignment into liquid crystal films, which, by their nature, tend to have a horizontal alignment of liquid crystal molecules. The technique does not require special alignment films. A liquid crystal composition for forming a liquid crystal film contains a polymerizable liquid crystal compound and a hydrolysate of an alkoxysilane compound. The hydrolysate of the alkoxysilane compound contains a siloxane oligomer of which degree of polymerization is from 2 to 25. Furthermore, the alkoxysilane compound is a trialkoxysilane compound having a functional group. This liquid crystal film composition can be produced by hydrolyzing an alkoxysilane compound to obtain a hydrolysate and then uniformly mixing the hydrolysate with a polymerizable liquid crystal compound. Alternatively, it can be obtained by uniformly mixing the alkoxysilane compound with the polymerizable liquid crystal compound and subsequently hydrolyzing the alkoxysilane compound in the mixture. One mole of the alkoxysilane compound is preferably hydrolyzed with 0.1d to 2.0d mol of water, given that the number of alkoxyl groups in a molecule of the alkoxysilane compound is d. An optically anisotropic film can be obtained by applying the liquid crystal film composition to a base film, causing the liquid crystal molecules in the composition to align in a nematic alignment, and curing the composition. The alignment of the liquid crystal molecules in the film is preferably a nematic hybrid or nematic homeotropic (vertical) alignment.
    • 用于将混合取向或垂直(垂直)取向引入液晶膜的简单技术,其本质上倾向于具有液晶分子的水平取向。 该技术不需要特殊的取向膜。 用于形成液晶膜的液晶组合物含有可聚合液晶化合物和烷氧基硅烷化合物的水解产物。 烷氧基硅烷化合物的水解物含有聚合度为2〜25的硅氧烷低聚物。此外,烷氧基硅烷化合物为具有官能团的三烷氧基硅烷化合物。 该液晶膜组合物可以通过水解烷氧基硅烷化合物得到水解产物,然后将水解产物与可聚合液晶化合物均匀混合来制备。 或者,可以通过将烷氧基硅烷化合物与可聚合液晶化合物均匀混合,然后水解该混合物中的烷氧基硅烷化合物而获得。 考虑到烷氧基硅烷化合物的分子中的烷氧基数为d,一摩尔烷氧基硅烷化合物优选用0.1d至2.0dmol的水进行水解。 可以通过将液晶膜组合物施加到基膜上,使组合物中的液晶分子以向列取向取向并固化该组合物来获得光学各向异性膜。 膜中液晶分子的取向优选为向列混合或向列垂面(垂直)取向。