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    • 2. 发明授权
    • Highly transparent silicone fluid compound
    • 高透明硅油混合物
    • US5322891A
    • 1994-06-21
    • US31020
    • 1993-03-11
    • Takayuki TakahashiSatoshi Kuwata
    • Takayuki TakahashiSatoshi Kuwata
    • G02B1/04C08K3/36C08K5/544C08L83/04C09D183/04C08K3/00
    • C08L83/04C08G77/04C08G77/045
    • A highly transparent silicone paste composition is formulated by mixing:(a) 100 parts by weight of a long chain alkyl-modified silicone fluid having a viscosity of 50-5,000 cS at 25.degree. C. represented by the formula ##STR1## wherein R.sup.1 is a monovalent saturated straight chain hydrocarbon group having 4-18 carbon atoms and accounts for 10-50 mol % of all the Si substituents; m and n are integers such that 0.ltoreq.m.ltoreq.500, 5.ltoreq.n.ltoreq.500, and 5.ltoreq.m+n.ltoreq.500, and a and b are either 0 or 1;(b) 1-30 weight parts of a fumed silica whose specific surface area is no less than 130 m.sup.2 /g; and(c) 0.1-20 weight parts of an alkoxysilane represented by the formula X.sub.c Si(CH.sub.3).sub.d R.sup.2.sub.e, wherein R.sup.2 is an alkoxy group; X is selected from ##STR2## c is 0 or 1; d is 0, 1 or 2; e is 2 or 3; and c+d+e=4, or a hexamethyldisilazane represented by the formula [(CH.sub.3).sub.3 Si].sub.2 NH.
    • 通过混合来配制高透明的硅胶糊组合物:(a)100重量份在25℃下粘度为50-5,000cS的长链烷基改性硅氧烷流体,其由式 具有4-18个碳原子并且占所有Si取代基的10-50mol%的单价饱和直链烃基; m和n是整数,使得0≤m≤500,5/ n = 500和5 = m + n = 500,a和b是0或1; (b)1-30重量份比表面积不小于130平方米/克的热解法二氧化硅; 和(c)0.1-20重量份由式XcSi(CH3)dR2e表示的烷氧基硅烷,其中R2是烷氧基; X从 中选择c为0或1; d为0,1或2; e为2或3; 和c + d + e = 4,或由式[(CH3)3Si] 2NH表示的六甲基二硅氮烷。