聚丙烯腈纤维蒸汽拉伸过程中产生毛丝的原因分析  

Reasons for fuzz generation during steam drawing of polyacrylonitrile fiber

作　　者：王华[1,2] 郭继荣 韩笑[1,2] 李崇俊[1,2] 

机构地区：[1]西安航天复合材料研究所,西安710089 [2]高性能碳纤维制造及应用国家地方联合工程研究中心,西安710089 [3]西安康本材料有限公司,西安710089

出　　处：《合成纤维工业》2013年第6期27-30,共4页China Synthetic Fiber Industry

摘　　要：采用自制的有效拉伸段为0.4 m的蒸汽拉伸箱对聚丙烯腈(PAN)纤维进行拉伸,分析了蒸汽拉伸过程中毛丝产生的原因。结果表明:提高干燥后PAN纤维的温度和蒸汽温度有利于塑性拉伸,但是对于蒸汽拉伸过程中消除毛丝的贡献不大;纤维致密性差、纤维直径不均匀以及拉伸倍数分配不合理是PAN纤维蒸汽拉伸过程中产生毛丝的主要原因。Polyacrylonitrile（PAN） fiber was drawn by using a self-made steam drawing box with 0.4 m effective drawing segment. The reasons for fuzz generation were analyzed during the steam drawing process. The results showed that an increase of dried PAN fiber temperature and steam temperature was helpful for plastic draft, but did not help much to eliminate the fuzz during the steam drawing process; the principal reasons for fuzz generation comprised poor fiber compactness, uneven fiber diameter and unreasonable draw ratio distribution during the steam drawing process of PAN fiber.

关 键 词：聚丙烯腈纤维 蒸汽 拉伸 毛丝 致密性 应力 

分 类 号：TQ342.31[化学工程—化纤工业]