Organoborosilazane polymers
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United States of America Patent
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May 1, 1990
Issued Date -
N/A
app pub date -
Nov 17, 1988
filing date -
Jun 30, 1988
priority date (Note) -
Expired
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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.
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