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    • 7. 发明授权
    • Stable solution of a silsesquioxane or siloxane resin and a silicone
solvent
    • 倍半硅氧烷或硅氧烷树脂和硅氧烷溶剂的稳定溶液
    • US6020410A
    • 2000-02-01
    • US955802
    • 1997-10-22
    • Nigel P. HackerTodd KrajewskiScott LeffertsGary Davis
    • Nigel P. HackerTodd KrajewskiScott LeffertsGary Davis
    • C08K5/5415C08J3/09C08L83/05C09D183/04C09D183/05C08K5/54
    • C08J3/098C08J3/091C08J2383/04
    • Storage solutions of silsesquioxane and siloxane polymers are obtained by means of a silicon containing solvent composition. The solution has at least one polymer having a formula of [(HSiO.sub.1.5).sub.x O.sub.y ].sub.n, (HSiO.sub.1.5).sub.n, [(HSiO.sub.1.5).sub.x O.sub.y (RSiO.sub.1.5).sub.z ].sub.n, [(HSiO.sub.1.5).sub.x (RSiO.sub.1.5).sub.y ].sub.n or [(HSiO.sub.1.5).sub.x O.sub.y (RSiO.sub.1.5).sub.z ].sub.n wherein x=about 6 to about 20, y=1 to about 3, z=about 6 to about 20, n=1 to about 4,000, and each R is independently H, C.sub.1 to C.sub.8 alkyl or C.sub.6 to C.sub.12 aryl. The solvent has the formula of (CH.sub.3).sub.3 Si--O--[Si(CH.sub.3).sub.2 ].sub.a --Si(CH.sub.3).sub.3, (CH.sub.3 CH.sub.2)Si--O--[Si(CH.sub.3 CH.sub.2).sub.2 ].sub.a --SiCH.sub.3 CH.sub.2).sub.3, R.sub.3 Si--O--[SiR'.sub.2 ].sub.a --SiR.sub.3, [O--Si(CH.sub.3).sub.2 ].sub.b, [O--Si(CH.sub.3 CH.sub.2).sub.2 ].sub.b or [O--SiR'.sub.2 ].sub.n wherein a=0-5, b=3-5, and each R' is independently H or C.sub.1 to C.sub.8 alkyl.
    • 通过含硅溶剂组合物获得倍半硅氧烷和硅氧烷聚合物的储存溶液。 该溶液具有至少一种具有式[(HSiO 1.5)x O y] n,(HSiO 1.5)n,[(HSiO 1.5)x O y(RSiO 1.5)]],[(HSiO 1.5) x(RSiO1.5)y] n或[(HSiO1.5)xOy(RSiO1.5)z] n其中x =约6至约20,y = 1至约3,z =约6至约20,n = 1至约4,000,并且每个R独立地为H,C 1至C 8烷基或C 6至C 12芳基。 溶剂具有式(CH3)3Si-O- [Si(CH3)2] a-Si(CH3)3,(CH3CH2)Si-O- [Si(CH3CH2)2] a-SiCH3CH2)3,R3Si- O- [SiR'2] a-SiR3,[O-Si(CH3)2] b,[O-Si(CH3CH2)2] b或[O-SiR'2] n,其中a = 0-5,b = 3-5,每个R'独立地为H或C 1至C 8烷基。