Polysilane precursors containing olefinic groups for silicon...

Details Polysilane precursors containing olefinic groups for silicon... Polysilane precursors containing olefinic groups for silicon...

C - Chemistry, Metallurgy

08

G

402/9

C08G 77/60 (2006.01) C04B 35/571 (2006.01)

Patent

CA 1229446

- 34 - POLYSILANE PRECURSORS CONTAINING OLEFINIC GROUPS FOR SILICON CARBIDE ABSTRACT This invention is concerned with novel polysilanes containing olefinic groups which are prepared by reactions of halogen-containing organosilane monomers or mixtures thereof with sodium metal in an appropriate solvent or mixture of solvents. Such polysilane polymers are soluble and thermoplastic, and can be directly converted to silicon carbide compositions by pyrolysis at atmospheric pressure.

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