Process for chain stabilization of organopolysiloxanes

Details Process for chain stabilization of organopolysiloxanes Process for chain stabilization of organopolysiloxanes

C - Chemistry, Metallurgy

08

G

402/17

C08G 77/06 (2006.01) C08G 77/10 (2006.01)

Patent

CA 1285689

A PROCESS FOR CHAIN STABILIZATION OF ORGANOPOLYSILOXANES Abstract of the Disclosure Oligomeric siloxanol mixtures containing siloxanols of the formula HO-SiR2O[SiR2O?nH and those of the formula R3SiO-[SiR2O?mH where R represents the same or different monovalent hydrocarbon radicals, monovalent halogenated hydrocarbon radicals having from 1 to 18 carbon atoms or hydrogen atoms and n and m are the same or different integers are prepared by hydrolyzing a mixture containing at least one compound of the formula R3SiCl and at least one compound of the formula R2SiC12. These oligomeric siloxanol mixtures can be reacted with the terminal Si-bonded hydroxyl groups of .alpha. ,.omega.-dihydroxypolyorganosiloxanes.

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