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Comparison of dmso technique precursor and nitric acid technique precursor
Author(s): 
Pages: 16-18
Year: Issue:  5
Journal: HI-TECH FIBER & APPLICATION

Keyword:  碳纤维聚丙烯腈原丝纺丝原液二甲基亚砜;
Abstract: 从溶剂性质、原丝结构性能以及所制备的碳纤维性能等方面,对二甲基亚砜(DMSO)法与硝酸(HNO3)法生产的两种原丝进行比较,找出并分析两种溶剂生产的聚丙烯腈(PAN)原丝在密度及结构均一性等方面的区别.研究表明,DMSO法PAN原丝具有强度高、取向度高等优点,DMSO法更有利于提高碳纤维用PAN原丝质量.
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