Preceramic compositions and ceramic products with silicon boride

Details Preceramic compositions and ceramic products with silicon boride Preceramic compositions and ceramic products with silicon boride

1988-10-24

1993-03-30

Nelson, Peter A.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525474, 428446, C08K 338, B32B 909

Patent

active

051984881

ABSTRACT:
Preceramic compositions which have particular utility in providing protective ceramic coatings on carbon/carbon composites, graphite, carbon fibers, and other normally oxidizable materials are prepared by dispersing about 0.1-4 parts by weight of silicon boride in one part by weight of a polysilazane in solution in an organic solvent.

REFERENCES:
patent: 3962299 (1976-06-01), Stackman
patent: 4397828 (1983-08-01), Seyferth et al.
patent: 4482669 (1984-11-01), Seyferth et al.
patent: 4482689 (1984-11-01), Haluska
patent: 4645807 (1987-02-01), Seyferth et al.
patent: 4650837 (1987-03-01), Seyferth et al.
patent: 4659850 (1987-04-01), Arai et al.
patent: 4718941 (1988-01-01), Halverson et al.

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