Process for preparing polycarbosilanes and new polycarbosilanes

Details Process for preparing polycarbosilanes and new polycarbosilanes Process for preparing polycarbosilanes and new polycarbosilanes

1989-12-04

1992-02-11

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, 556431, C08G 7704

Patent

active

050876856

ABSTRACT:
A process for preparing polycarbosilanes by co-condensation of dihalosilanes R.sup.1 R.sup.2 SiX.sub.2 and saturated dihalohydrocarbons Y-A-Y in the presence of an alkali metal, wherein the groups R.sup.1, R.sup.2, X, Y and A have the meanings given in the claims, and also new polycarbosilanes are described.

REFERENCES:
patent: 3431221 (1969-03-01), Hoess
patent: 4339562 (1982-07-01), Guselnikov et al.
patent: 4761458 (1988-08-01), Burns et al.
Schilling et al., Office of Naval Research Technical Report 83-2 (1983), and chemical abstract.

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