Silyl- and disilanyl-1,3-butadiyne polymers from...

Details Silyl- and disilanyl-1,3-butadiyne polymers from... Silyl- and disilanyl-1,3-butadiyne polymers from...

C - Chemistry, Metallurgy

08

G

402/11

C08G 77/00 (2006.01) C04B 35/571 (2006.01) C08G 77/60 (2006.01)

Patent

CA 2016947

ABSTRACT OF THE DISCLOSURE Organosilane polymers having recurring silylene-1,3- butadiyne and/or disilylene-1,3-butadiyne units are pre- pared in a one-pot synthesis from hexachlorobutadiene. Depending on the organic substituents (R and R'), these polymers have useful film-forming properties, and are con- verted to the ceramic, silicon carbide upon heating in very uniform high char yields. They can also be pulled into fibers. The polymers are thermally crosslinked above 100°C.

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