From MA content in polymer, drawing temperature and medium, after- chawing process and heat setting temperature, the factors affecting the shrinkage rate of PAN fiber are analyzed.

• 着重从聚合物中丙烯酸甲酯的含量、热拉伸介质和温度、后拉伸工艺以及热定型温度出发,分析各因素对纤维收缩率的影响,探讨它们与腈纶收缩率之间的内在联系。