摘要
研究了可熔融加工的聚丙烯腈 (MPPAN)树脂的非增塑熔融纺丝工艺 ,并应用 X光衍射、声速、应力 -应变等方法对卷绕丝的结晶和取向结构、力学性能和沸水收缩性进行了表征 ,结果表明 ,两种MPPAN样品均可进行熔融纺丝 ,其纺丝压力比常规聚酯纤维、聚酰胺纤维高 ;MPPAN卷绕丝的结晶及晶粒尺寸较低 ,具有一定的机械强度 ,热水收缩较大。
The process of non\|plasticized melt spinning for melt\|processed PAN (MPPAN) was studied. The crystalline behavior, orientation structure, mechanical properties and boiling water shrinkage were characterized by X\|ray diffraction, sonic velocity method and stress\|strain curves. The result showed that two MPPAN samples can be both melt\|spun. The spinning pressure is higher than that of polyester and polyamide. The undrawn MPPAN yarn has lower crystallinity and crystal size, fairly high mechanical strength and higher hot water shrinkage.
出处
《合成纤维工业》
CAS
CSCD
2000年第2期16-19,共4页
China Synthetic Fiber Industry
