Organoborosilazane polymers

Details Organoborosilazane polymers Organoborosilazane polymers

1988-11-17

1990-05-01

Anderson, Harold D.

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

Synthetic resins

From boron reactant having at least one boron to hydrogen or...

528 28, 528 37, 528 38, C08G 7704, C08G 7726

Patent

active

049219251

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 triaryloxyboroxine with one part by weight of a polysilazane to form a organoborosilazane polymer.

REFERENCES:
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), Saitama et al.

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