Reinforced designed cellular coal
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United States of America Patent
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Nov 11, 2008
Grant Date -
Dec 9, 2004
app pub date -
Mar 29, 2004
filing date -
Dec 8, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Coal-based cellular products that can be custom designed to have integral stiffeners or load paths, directed heat transfer paths, and/or directed mass transfer paths and methods for their production are described. Such design and production is made possible by the appropriate selection of: starting materials, thermal treatment conditions and/or mold materials combined in at least some instances with segregation of different starting materials in different regions of a forming mold and/or the use of fibrous carbonaceous layers to obtain selected reinforcement to enhance bending and/or impact resistance. Carbon foams of a homogeneous composition comprising at least fibrous carbonaceous mat as a reinforcing element are also described.
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