Method of hydrolyzing organochlorosilanes

Details Method of hydrolyzing organochlorosilanes Method of hydrolyzing organochlorosilanes

1981-09-02

1983-05-03

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

556452, 556461, C07F 708

Patent

active

043821456

ABSTRACT:
A method is provided for hydrolyzing organochlorosilanes using concentrated or saturated aqueous hydrogen chloride solution as the source of water. There is employed a ratio of about 10 to about 30 moles of water per mole of organochlorosilane. In addition to recovering gaseous hydrogen chloride without distillation of aqueous hydrogen chloride solution, the organopolysiloxane hydrolyzate in the form of linear and cyclic siloxanes has reduced total chloride content in the form of dissolved hydrogen chloride and chlorine-terminated linear siloxanes.

REFERENCES:
patent: 2769829 (1956-11-01), Dobay
patent: 2911427 (1959-11-01), Brown
patent: 3070617 (1962-12-01), Holbrook
patent: 3627805 (1971-12-01), Thomas et al.
patent: 3983148 (1976-09-01), Reedy et al.
Noll, "Chemistry and Technology of Silicones", Academic Press, N.Y., (1968), pp. 192-193.

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