申请人:General Electric Company
公开号:US06777569B1
公开(公告)日:2004-08-17
A process for the manufacture of a blocked mercaptosilane comprising:
reacting at least one polysulfane-containing organosilicon compound of the general formula:
(R13SiG)2Sn
(a) in which each R1 is independently methoxy, ethoxy or alkyl of from 1 to about 6 carbon atoms, provided, that at least one R1 group is methoxy or ethoxy, G is an alkylene group of from 1 to about 12 carbon atoms and n is from 2 to about 8, with at least one alkali metal, alkaline earth metal or a basic derivative of an alkali metal or alkaline earth metal to provide the corresponding metal salt of the polysulfane-containing organosilicon compound and;
(b) reacting the metal salt of the polysulfane-containing organosilicon compound with an acyl halide or carbonyl dihalide to provide a blocked mercaptosilane.
制备阻塞巯基硅烷的方法包括:与至少一种多硫醚含有机硅化合物反应,其一般式为:(R13SiG)2Sn(a),其中每个R1独立地是甲氧基、乙氧基或含有1至约6个碳原子的烷基,但至少一个R1基团是甲氧基或乙氧基,G是含有1至约12个碳原子的烷基,n为2至约8,以及至少一种碱金属、碱土金属或碱金属或碱土金属的碱性衍生物反应,以提供多硫醚含有机硅化合物的相应金属盐;(b)将多硫醚含有机硅化合物的金属盐与酰卤或羰基二卤化物反应,以提供阻塞巯基硅烷。