Mercaptosilanes are disclosed of the formula I
wherein R
1
is an alkyl polyether group —O—(R
5
—O)
m
—R
6
. They are prepared by a procedure in which a silane of the formula II
is subjected to a catalyzed reaction with an alkyl polyether R
1
—H, R
7
—OH being split off, the molar ratio of the alkyl polyethers R
1
—H to the silane of the formula II is at least 0.5 and R
7
—OH is separated off from the reaction mixture continuously or discontinuously. They can be used in shaped articles.
Mercaptosilanes的
化学式为I,其中R1是烷基聚醚基团—O—(R5—O)m—R6。它们通过一种程序制备,其中
化学式II的
硅烷与烷基聚醚R1—H进行催化反应,R7—OH被分离出来,烷基聚醚R1—H与
化学式II的
硅烷的摩尔比至少为0.5,R7—OH从反应混合物中连续或间歇地分离出来。它们可用于成型制品。