Isotropic pitch-based materials for thermal insulation
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United States of America Patent
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Dec 19, 2006
Grant Date -
Feb 10, 2005
app pub date -
Jun 10, 2004
filing date -
Jun 28, 2002
priority date (Note) -
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Abstract
Insulation materials suited to high temperature applications, such as the insulation of furnaces, are formed from a mixture of pitch carbon fibers, such as isotropic pitch carbon fibers, and a binder comprising a solution of sugar in water. The sugar solution is preferably at a concentration of from 20 60% sucrose to yield a low density material having high flexural strength and low thermal conductivity when carbonized to a temperature of about 1800.degree. C.
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