Title:
CARBON-MATRIX COMPOSITES COMPOSITIONS AND METHODS RELATED THERETO
Document Type and Number:
WIPO Patent Application WO2002008150
Kind Code:
A3
Abstract:
The present invention relates to carbon-matrix composites, such as carbon-carbon composites, and a method for forming them by forming a fabric of fusible and infusible fibers which can be processed and carbonized to form a composite. The methods disclosed herein permit preparation of composites which are particularly thin, uniform, and highly pure. The invention also relates to preprocessed fabrics and precarbonized composites, such as those comprising carbon or oxidized polyacrylonitrile fibers and fusible polyacrylonitrile fibers.
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Inventors:
GAFFNEY JOHN J (US)
LOSZEWSKI RAYMOND C (US)
LOSZEWSKI RAYMOND C (US)
Application Number:
PCT/CA2001/001083
Publication Date:
June 06, 2002
Filing Date:
July 26, 2001
Export Citation:
Assignee:
BALLARD POWER SYSTEMS (CA)
GAFFNEY JOHN J (US)
LOSZEWSKI RAYMOND C (US)
GAFFNEY JOHN J (US)
LOSZEWSKI RAYMOND C (US)
International Classes:
C04B35/83; D01F9/22; D03D15/12; D04H1/42; D21H13/50; F16D69/02; H01M8/10; (IPC1-7): C04B35/83; C04B30/02
Foreign References:
| EP0439184A2 | 1991-07-31 |
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