Silicon carboxide fibers from gel spinning cyclosiloxane polymer

Details Silicon carboxide fibers from gel spinning cyclosiloxane polymer Silicon carboxide fibers from gel spinning cyclosiloxane polymer

1988-04-25

1997-05-13

Jordan, Charles T.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 88, 501 91, 501 92, 501 95, C04B 3552

Patent

active

056292490

ABSTRACT:
This invention relates to a black glass fiber which is resistant to oxidation at a temperature of about 1350.degree. C. and has the empirical formula SiC.sub.x O.sub.y where x ranges from about 0.5 to about 2.0 and y ranges from about 0.5 to about 2.0. This invention also relates to a process for preparing a black glass fiber comprising reacting a silicon hydride group with a silicon olefinic group in the presence of a hydrosilylation catalyst to give a cyclosiloxane polymer. The polymer is then spun into fiber, hardened and then pyrolyzed to give a black glass fiber.

REFERENCES:
patent: 4100233 (1978-07-01), Yajima et al.
patent: 4283376 (1981-08-01), Yajima et al.
patent: 4981820 (1991-01-01), Renlund et al.
patent: 5180694 (1993-01-01), Renlund et al.
patent: 5225283 (1993-07-01), Leung
patent: 5242866 (1993-09-01), Leung et al.

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