| 摘要 |
本发明系关于一种可固化有机聚矽氧烷组合物，其包含：(A)具有黏度为20mPa．s或更大之液体至呈现可塑性之胶状物中之任意形式之有机聚矽氧烷，该有机聚矽氧烷或有机聚矽氧烷混合物包含质量比为100：0至50：50之以下组分a1)及a2)：a1)包含具有4至12个碳原子之烯基之有机聚矽氧烷，该烯基具有0.5至3.0质量%之乙烯基部分含量，及a2)包含具有2至3个碳原子之烯基之有机聚矽氧烷，该烯基具有0.5至3.0质量%之乙烯基部分含量；(B)具有黏度为1,000,000mPa．s或更大之液体至呈现可塑性之胶状物中之任意形式之有机聚矽氧烷，该有机聚矽氧烷视情况包含具有2至12个碳原子之烯基，该烯基具有小于0.100质量%之乙烯基部分含量；(C)分子内包含至少两个矽键结氢原子之有机氢聚矽氧烷；(D)矽氢化触媒；及(E)若需要，有机溶剂；组分(A)与(B)之质量比系在90：10至99：1之范围内。; (B) an organopolysiloxane having a form of anywhere from a liquid having a viscosity of 1,000,000 mPa．s or greater to a gum that exhibits plasticity, the organopolysiloxane optionally comprising an alkenyl group having 2 to 12 carbon atoms, the alkenyl group having a vinyl moiety content of less than 0.100 mass%; (C) an organohydrogen polysiloxane comprising at least two silicon-bonded hydrogen atoms within its molecule; (D) a hydrosilylation catalyst; and (E) as desired, an organic solvent; the mass ratio of components (A) and (B) being in a range from 90:10 to 99:1. |
