Siloxane oligomers, a process for their production and their...

Details Siloxane oligomers, a process for their production and their... Siloxane oligomers, a process for their production and their...

2005-09-20

2005-09-20

Peng, Kuo-Liang (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

C528S039000, C525S474000

Reexamination Certificate

active

06946537

ABSTRACT:
Siloxane oligomers of the general formula I or IIwherein at least one functionalized alkyl group is present per oligomer molecule. The siloxane oligomers are produced by oligomerization of halogenalkyltrihalogensilanes, and co-optionally co-oligomerized with (C1-C18)-alkyl-, phenyl-, aryl- or aralkyl-trihalogensilanes and/or silicon tetrachloride, in the presence of alcohol and water, following which the halogenalkyl function is optionally modified in a further step. The siloxane oligomers can be used as coupling agents in rubber mixtures or as building preservation agents.

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