Co-polymer based polyimide articles and their uses in high...

Details Co-polymer based polyimide articles and their uses in high... Co-polymer based polyimide articles and their uses in high...

C - Chemistry, Metallurgy

08

G

C08G 73/10 (2006.01) B29C 43/00 (2006.01) B29C 43/02 (2006.01) C08J 9/00 (2006.01) C08K 3/00 (2006.01) C08K 3/04 (2006.01) C08L 79/08 (2006.01) C09J 9/00 (2006.01) F02B 37/00 (2006.01) F02M 25/00 (2006.01) F24C 15/00 (2006.01)

Patent

CA 2752534

Disclosed herein is a method for making polyimide articles that are suitable for high temperature applications. The articles disclosed herein are rigid, oxidatively stable, wear-resistant, and permeable to heated moisture and gases, and comprise co-polymer based polyimide, and at least one additive or filler, and are made using 20,000 to 50,000 psi of compression pressure.

Cette invention concerne un procédé de fabrication d'articles en polyimide se prêtant à des applications à hautes températures. Les articles ci-décrits sont rigides, stables à l'oxydation, résistants à l'usure, et perméables à l'humidité et aux gaz chauffés. Ils comprennent un polyimide sous forme copolymère, et au moins un additif ou une charge, et sont fabriqués à une pression de compression de 20 000 à 50 000 psi.

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