C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/449
C07F 7/20 (2006.01) C07F 7/12 (2006.01)
Patent
CA 1327211
REMOVAL OF POLYFUNCTIONAL SILANES FROM ORGANOSILANES ABSTRACT What is described is a process for the treatment of organosilanes to reduce the content of more highly functional silanes. The process comprises (A) contacting a mixture, the mixture comprising a major portion of the organosilane and a minor portion of the more highly functional silanes, with organosiloxanes, and a sufficient amount of a catalyst effective in promoting the reaction between the more highly functional silanes and the organosiloxane to form more highly halogenated polyfunctional siloxanes; and (B) isolating the organosilane from the polyfunctional siloxanes and the organosiloxanes by conventional means such as distillation.
582566
Halm Roland Lee
Niswonger David Scott
Dow Corning Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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