Preparation of polyorganosilanes

Details Preparation of polyorganosilanes Preparation of polyorganosilanes

1991-12-23

1992-10-27

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

051590433

ABSTRACT:
Polyorganosilanes are prepared through contact reaction of an organodihalosilane with alkali metal fine particles dispersed in an organic solvent. the reaction solution is adjusted to an acidity of pH 3 to 7 before or after the step of deactivating the excess alkali metal in the reaction solution. The alkali metal halide is removed from the reaction solution by dissolving it in water. Formation of insoluble components is minimized.

REFERENCES:
patent: 4792591 (1988-12-01), Rengstl et al.
patent: 4808685 (1989-02-01), Bortolin
patent: 4839451 (1989-06-01), Badesha et al.

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