Precursors for boron nitride ceramic coatings

Details Precursors for boron nitride ceramic coatings Precursors for boron nitride ceramic coatings

1990-10-15

1992-01-21

Bell, Janyce

Coating processes

Heat decomposition of applied coating or base material

427379, B05D 302

Patent

active

050826930

ABSTRACT:
The disclosure is directed to polymeric B-aminoborazene compounds suitable for pyrolytic conversion to boron nitride. The B-aminoborazene compounds are preferably mixed with an organic solvent and a cross-linking agent to form a polymeric gel. The polymeric gel is then pyrolized to form boron nitride. The polymeric gel is useful to coat various forms and materials.

REFERENCES:
patent: 4946713 (1990-08-01), Sneddon et al.
patent: 4970095 (1990-11-01), Bolt et al.
Paciorek et al., "Boron Nitride Preceramic Polymer Studies", Ceram. Eng. Sci. Proc., 9(7-8), pp. 993-1000 (1988).
Paciorek et al., Boron-Nitrogen Polymers., I. Mechanistic Studies of Borazine Pyrolyses, J. of Poly. Sci. Polymer Chemistry Edition, vol. 24, 1973-185 (1986).

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