根据聚丙烯腈基碳纤维生产工艺路线，从原丝、 预氧化、碳化工艺及结构上分析了聚丙烯腈基碳纤维焦油形成的原因。
The reasons for tar formation from polyacrylonitrile-based carbon fiber were analyzed from the structure and the production line, from as-spun fiber, pre-oxidation to carbonization.
本文采用干湿法纺制共聚丙烯腈纤维，并进行预氧化，碳化制成碳纤维。
Carbon fiber is produced by dry-wet spinning of copolymerized PAN followed by preoxidation and carbonization.
本文采用干湿法纺制共聚丙烯腈纤维，并进行预氧化，碳化制成碳纤维。
Carbon fiber is produced by dry-wet spinning of copolymerized PAN followed by preoxidation and carbonization.
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