申请人:Chisso Corporation
公开号:US05831110A1
公开(公告)日:1998-11-03
According to the present invention there is disclosed a process for producing a fluorine-containing siloxane compound represented by the formula (3): ##STR1## \x9bwherein A is a fluorine-containing organic group represented by the formula (4): ##STR2## (wherein R.sup.1 and R.sup.2 are each independently a fluorine atom or a trifluoromethyl group, R.sup.3 is a hydrogen atom or a straight chain or branched chain hydrocarbon group having 1 to 8 carbon atoms, k is an integer of 0 to 16, m is an integer of 0 to 30, n is 0 or 1, and p is an integer of 0 to 9); r is an integer of 1 to 3; R.sup.4 is a monovalent hydrocarbon group having 1 to 6 carbon atoms; and B.sup.1 is a hydrogen atom, a methacryloxypropyl group or a vinyl group!, which process comprises reacting a fluorine-containing silane represented by the formula (1): ##STR3## (wherein R.sup.1, R.sup.2, R.sup.3, k, m, n and p have the same definitions as given above) with a chlorosilane represented by the formula (2): ##STR4## (wherein R.sup.4, B.sup.1 and r have the same definitions as given above). There is also disclosed a fluorine-containing siloxane compound of the formula (3) wherein B.sup.1 is an isocyanate-containing group.
根据本发明,公开了一种制备含氟硅氧烷化合物的方法,该化合物由公式(3)表示:##STR1## 其中A是由公式(4)表示的含氟有机基团:##STR2## (其中R.sup.1和R.sup.2分别独立地是氟原子或三氟甲基基团,R.sup.3是氢原子或具有1至8个碳原子的直链或支链烃基团,k为0至16的整数,m为0至30的整数,n为0或1,p为0至9的整数);r为1至3的整数;R.sup.4是具有1至6个碳原子的一价烃基团;B.sup.1是氢原子、甲基丙烯酰丙基基团或乙烯基团!,该方法包括将由公式(1)表示的含氟硅烷:##STR3## (其中R.sup.1、R.sup.2、R.sup.3、k、m、n和p具有上述相同定义)与由公式(2)表示的氯硅烷反应:##STR4## (其中R.sup.4、B.sup.1和r具有上述相同定义)。还公开了一种公式(3)中B.sup.1为含有异氰酸酯基团的含氟硅氧烷化合物。