Method for preparing organopolysilanes and their uses

Details Method for preparing organopolysilanes and their uses Method for preparing organopolysilanes and their uses

C - Chemistry, Metallurgy

01

B

23/54, 204/91.38

C01B 31/36 (2006.01) B05D 3/06 (2006.01) C04B 35/571 (2006.01) C07F 7/18 (2006.01) C08G 77/60 (2006.01) G03F 7/075 (2006.01)

Patent

CA 1265314

METHOD FOR PREPARING ORGANOPOLYSILANES AND THEIR USES Abstract of the Disclosure Organopolysilanes are prepared by reacting at least one disilane of the formula R2R1Si2(OCH3)3 , which may optionally be mixed with a compound of the formula R2Si2(OCH3)4 , with at least one compound of the formula R2R2SiH in the presence of at least one compound of the formula MOR , where R represents the same or different monovalent alkyl, alkenyl or aryl groups, R1 represents the same or different monovalent alkyl groups, R2 represents a methoxy group or R and M represents an alkali metal. These organopolysilanes are preferably used in preparing silicon carbide and in preparing negative photo-resist coatings.

517382

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