Preceramic compositions and ceramic products

Details Preceramic compositions and ceramic products Preceramic compositions and ceramic products

1989-09-29

1993-04-13

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Silicon containing other than solely as silicon dioxide or...

10628719, 10628723, 528 8, 528 13, 556402, 556403, C09K 1502

Patent

active

052019470

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 0.4-1 part by weight of a metal boride in an organic solvent solution containing one part by weight of an organoborosilazane polymer prepared by mixing about 0.25-20 parts by weight of a trialkoxy-, triaryloxy-, or tri(arylalkoxy)boroxine with a solution of one part by weight of a polysilazane in an organic solvent.

REFERENCES:
patent: 2957900 (1960-10-01), Groszos
patent: 3029210 (1962-03-01), Groszos
patent: 4493855 (1985-01-01), Sachden et al.
patent: 4581468 (1986-03-01), Paciorek et al.
patent: 4664367 (1986-08-01), Takamizawa et al.
patent: 4762810 (1988-08-01), Endo et al.
patent: 4873353 (1989-10-01), Niebylski
patent: 4910173 (1990-03-01), Niebylski

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