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U.S. Department of Energy
Office of Scientific and Technical Information

Pitch for Direct spinning into carbon fibers derived from a coal distillate feedstock

Patent ·
OSTI ID:6412140
A pitch suitable for carbon fiber manufacture features a pitch having a weight content of between 80 and 100 percent toluene insolubles. The pitch is derived from a deasphaltenated fraction of a feedstock. The pitch is characterized as being relatively free of impurities and ash. The pitch can be spun directly into carbon fibers.
Assignee:
E. I. Du Pont de Nemours and Co.
Patent Number(s):
US 4518482
OSTI ID:
6412140
Country of Publication:
United States
Language:
English