Organoborosilazane polymers

Details Organoborosilazane polymers Organoborosilazane polymers

1988-09-09

1991-09-03

Lovering, Richard D.

Stock material or miscellaneous articles

Composite

Of silicon containing

501 92, 524104, 524533, 524857, 528 4, 528 5, 528 8, 528 25, 528 27, 528 33, 528 38, 556402, 556403, 428408, 428704, B32B 1800, C08G 7756, C08G 7908

Patent

active

050453998

ABSTRACT:
Preceramic polymers which have particular utility in providing protective ceramic coatings on carbon/carbon composites, graphite, carbon fibers, and other normally oxidizable materials are prepared by reacting about 0.25-20 parts by weight of a trialkyl- or trialkoxyboroxine in which the alkyl or alkoxy groups contain 1-6 carbons with one part by weight of a poly-silazane to form an organoborosilazane polymer.

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