发明名称 |
Pitch for direct spinning into carbon fibers derived from a coal distillate feedstock |
摘要 |
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.
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申请公布号 |
US4518482(A) |
申请公布日期 |
1985.05.21 |
申请号 |
US19820399702 |
申请日期 |
1982.07.19 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
DICKAKIAN, GHAZI |
分类号 |
C10C3/10;C10C3/00;D01F9/15;(IPC1-7):C10C3/00;D01F9/14 |
主分类号 |
C10C3/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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