Preparation of polyorganosilanes

Details Preparation of polyorganosilanes Preparation of polyorganosilanes

1991-12-23

1992-11-10

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

528 10, 556430, C08G 7706

Patent

active

051624770

ABSTRACT:
Polyorganosilanes are prepared by contact reaction of organodihalosilanes with alkali metal fine particles in an organic solvent. Prior to the contact reaction, a triorganohalosilane is contacted with the dispersion of alkali metal fine particles in organic solvent for removing reactive oxygen and moisture from the dispersion. Formation of a siloxane bond in the polysilane backbone is minimized, and polyorganosilanes having a minimal oxygen content are obtained.

REFERENCES:
patent: 4260780 (1981-04-01), West
patent: 4783516 (1988-11-01), Schilling, Jr. et al.
patent: 4843137 (1989-06-01), Taylor et al.

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