Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing
Patent
1991-10-22
1992-12-15
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Silicon containing
C07F 710
Patent
active
051718723
ABSTRACT:
An improvement is proposed for minimizing coloration of an oximesilane synthesized by the reaction of a chlorosilane such as vinyl trichlorosilane and an oxime compound such as methyl ethyl ketone oxime in the presence of a nitrogen-containing basic compound as an acceptor of the hydrogen chloride followed by the removal of the precipitates of the hydrogen chloride salt of the base and distillation. The improvement comprises conducting the distillation of the filtrate after removal of the precipitates of salt is performed in the presence of a nitrogen-containing basic compound such as ammonia in the filtrate, for example, by blowing ammonia gas into the liquid under distillation. An already colored oximesilane product also can be decolorized by blowing ammonia gas thereinto.
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Kodana Nobuhiko
Satoh Kazushi
Tsumura Hiroshi
Watanuki Isao
Shaver Paul F.
Shin-Etsu Chemical Company Limited
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