EP0305985A1
Expired / Lapsed
EP
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Process for the production of ceramic fibres on the basis of boron nitride
Assignee: Wacker Chemie AG
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Filing: 1988-08-31
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Granted: —
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Expires: 2008-08-31
Abstract
Abstract In the process, a polyborazine, obtained by reacting at least one boron trihalide of the formula BX3, in which X is a fluorine, chlorine, bromine or iodine radical, with at least one organodisilazane of the formula R(CH3)2SiNHSi(CH3)2R, in which R represents hydrogen or identical or different alkyl radicals or aryl radicals, is spun into fibres and pyrolysed under an inert atmosphere or in vacuo at temperatures in the range from 800 to 1500 DEG C.
Inventors
- 👤 Alfred Dr. Dipl.-Chem. Rengstl
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 01:35
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/583; C04B35/622; C04B35/62227
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References Cited (Backward Citations)
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