The cross section morphology and skin-core structure of PAN fiber in wet-spinning are analyzed by the means of electron probe microanalyser (EPMA) and scanning electron microscope (SEM).

• 摘要利用电子探针、扫描电镜研究了聚丙烯腈在湿法纺丝工艺中的横截面形貌与皮芯结构。