Organoborosiloxazane polymers

Details Organoborosiloxazane polymers Organoborosiloxazane polymers

1989-02-06

1990-11-13

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

528 25, 528 38, 528 8, 556403, 525474, C08G 77398

Patent

active

049702823

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 trialkoxy-, triaryloxy-, or tri(arylalkoxy)boroxine with one part by weight of a polysiloxazane in an organic solvent to form an organoborosiloxazane polymer.

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