Method for preparing carbon fibers
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United States of America Patent
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Feb 9, 1982
Grant Date -
N/A
app pub date -
Dec 19, 1979
filing date -
Dec 26, 1978
priority date (Note) -
Expired
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Abstract
The present invention relates to a method for preparing carbon fibers from a pitch by treating the pitch fibers spun from a pitch with a gaseous mixture of air and a gaseous oxidizing agent in an infusibilizing furnace divided into at least two chambers arranged in series and then carbonizing the thus treated pitch fibers into carbon fibers.
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