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Gelcasting polymeric precursors for producing net-shaped graphites

United States Patent

December 10, 2002
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
The present invention discloses a method for molding complex and intricately shaped high density monolithic carbon, carbon-carbon, graphite, and thermoplastic composites using gelcasting technology. The method comprising a polymeric carbon precursor, a solvent, a dispersant, an anti-foaming agent, a monomer system, and an initiator system. The components are combined to form a suspension which is poured into a mold and heat-treated to form a thermoplastic part. The thermoplastic part can then be further densified and heat-treated to produce a high density carbon or graphite composite. The present invention also discloses the products derived from this method.
Klett; James W. (Knoxville, TN), Janney; Mark A. (Knoxville, TN)
UT-Battelle, Inc. (Oak Ridge, TN)
09/ 393,558
September 10, 1999
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT The disclosed invention was made. with government support under contract DE-AC05-96OR22464, awarded by the United States Department of Energy to Lockheed Martin Energy Research Corporation. The United States Government has certain rights to this invention.