Precursors for boron nitride coatings

Details Precursors for boron nitride coatings Precursors for boron nitride coatings

1991-06-27

1993-04-20

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

423290, C04B 3556

Patent

active

052042952

ABSTRACT:
The disclosure is directed to compositions and methods for forming boron nitride coatings, using polymers derived from tri-substituted borazine and chloroborazine compounds. The polymeric compounds are mixed with ammonia, pyrolized at high temperatures to obtain a high temperature melt, and further converted to boron nitride coatings on various substrates. The polymeric compounds can be stored prior to pyrolysis.

REFERENCES:
patent: 3288726 (1966-11-01), Wagner et al.
patent: 3321337 (1967-05-01), Patterson
patent: 3345396 (1967-10-01), Horn et al.
patent: 3382279 (1968-05-01), Horn et al.
patent: 3392181 (1968-07-01), Horn
patent: 3578403 (1971-05-01), Moore
patent: 4361543 (1982-11-01), Zhdanovich et al.
patent: 4545968 (1985-10-01), Hirano et al.
patent: 4581468 (1986-04-01), Paciorek et al.
patent: 4590034 (1986-05-01), Hirano et al.
patent: 4655893 (1987-04-01), Beale
patent: 4707556 (1987-11-01), Paciorek et al.
patent: 4731437 (1988-03-01), Taniguchi et al.
patent: 4801439 (1989-01-01), Blum et al.
patent: 4865830 (1989-09-01), Klabunde et al.
patent: 4906763 (1990-03-01), Paciorek et al.
patent: 4971779 (1990-11-01), Paine, Jr. et al.
"New Precursors to Boron-Nitrogen Macromolecules and Ceramics", by C. K. Narula, et al., Mat. Res. Soc. Meeting Abstract, 1986 Spring Meeting.
"Synthesis of Boron Nitride Ceramics from Poly(borazinylamine) Precursors" by Chaitanya K. Narula, et al, Journal of the American Chemical Society, vol. 109, p. 5556 (1987).
"Boron Nitride and Its Precursors" by K. J. L. Paciorek, et al, American Chemical Society publ. No. 0097-6156/88/0360-0392 (1988).
"Preparation and Characterization of thin Protective Films in Silica Tubes by Thermal Decomposition of Hexachloroborazine" by G. Constant et al, Journal of the Less-Common Metals, vol. 82, pp. 113-118 (1981).
"Chemical Vapour Deposition of Thin Films of BN Onto Fused Silica and Sapphire" by M. Sano, et al.
Thin Solid Films vol. 83, pp. 247-251, (1981). "Chemical Vapor Deposition of Hexagonal Boron Nitride Think Film on Iron" by T. Takahashi, et al, Journal of Crystal Growth, vol. 47, pp. 245-250 (1979).
"Preparation and Properties of Thin Film Boron Nitride" by M. J. Rand, et al, Journal Elect. Chem Soc., vol. 115, p. 423 (1968).
"Boron Nitride Composites by Chemical Vapor Deposition" by H. O. Pierson; J. Composite Materials, vol. 9, p. 228 (Jul. 1975).
"Evaluation of Potential BN Polymer Precursors" by B. A. Bender et al Ceram. Eng. Sci. Proc, vol. 6 pp. 1171-1183 (1985).
"Boron-Nitrogen Polymers. I. Mechanistic Studies of Borazine Pyrolyses" by K. J. L. Paciorek, et al. Journal of Polymer Science: Polymer Chem Ed. vol. 24, pp. 173-185 (1986).
"Borazine Polymers, B-N Linked Borazine Rings and Polyborazylene Oxides" by Ross I. Wagner, et al Inorganic Chemistry, vol. 1, No. 1, pp. 99-106 (Feb. 1962).
"Preparation, Properties and Applications of Boron Nitride Thin Films" by S. P. S. Arya et al Thin Solid Films, vol. 157, pp. 267-282 (1988).
"Inorganic and Organometallic Polymers" by Martel Zeldin, et al American Chemical Society, Symposium Ser. 360, pp. 378-384 (Jan. 7, 1988).
Abstract: "Boron Nitride Preceramic polymers" by Paciorek, et al, Textiles vol. 105, No. 80546 (1986).
Abstract: "Study of borazine condensation processes" by Paciorek, et al Organometallics, vol. 101, p. 641 (1984).
Abstract: "B-N linked borazines" by Ross I. Wagner Synthetic High Polymers, vol. 66, p. 3685 (1967).
Abstract: "Boron-nitrogen polymers" by Paciorek, et al.
Abstract: "Boron nitride in filament, film or other forms" by Taniguchi, et al., Industrial Inorganics,vol. 85, No. 96582 (1976).
Abstract: "Substituted borazine polymers as precursors for boron nitride ceramics" by Paciorek, et al Chemical Abstracts, vol. 108, p. 322 (1988).
Z. Naturforsch, vol. 33b pp. "About the Formation of Macrocyclic B-N Compounds" by A. Meller et al, 156-158 (1978).

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