Preparation of sulfide chain-bearing organosilicon compounds
申请人:Yanagisawa Hideyoshi
公开号:US20060106240A1
公开(公告)日:2006-05-18
By reacting a halogenoalkyl group-bearing organosilicon compound and optionally sulfur with an aqueous solution or water dispersion of an ammonium or alkali metal polysulfide or a hydrate thereof in the presence of a phase transfer catalyst, a sulfide chain-bearing organosilicon compound having the average compositional formula (2):
(R
1
O)
(3-p)
(R
2
)
p
Si—R
3
—S—R
3
—Si(OR
1
)
(3-p)
(R
2
)
p
(2)
wherein m has an average value of 2≦m≦6 is obtained in high yields and at a low cost with minimized formation of a monosulfide-bearing organosilicon compound.