涤纶POY收缩动力学研究  

Study on Shrinkage Kinetics of Poly (Ethylene Terephthalate) POY

作　　者：汪进玉[1] 王华平[2] 张玉梅[2] 王学利 

机构地区：[1]仪征化纤股份公司产品技术开发中心,胥浦211900 [2]东华大学 [3]中国石油辽阳石化分公司

出　　处：《纺织学报》2001年第5期282-284,共3页Journal of Textile Research

摘　　要：采用线性粘弹模型中的四元件模型对涤纶预取向纤维（ＰＯＹ）的等温收缩过程动力学进行了研究。试验结果表明其收缩可用此模型进行很好地描述。得到ＲＯＹ纤维的特征弛豫时间　ｌ　、　２，特征平衡收缩Ｓａ、Ｓｃ，收缩活化能、拉伸粘度等特征参数。The shrinkage kinetics of poly (ethylene terephthalate) pre-oriented yarns was studied with the theory of linear viscoelasticity medel containing four Kelvin-Viogt units. The experiment results show that the shrinkage variation with time is in accordance with this medel very well. The shrinkage of POY consists of two shrinkage processes of different shrinkage mechanisms with different characteristic relaxation times. Some charcteristic parameters such as time, ultimate shrinkage ratio Sa and Sc, shrinkage activity en- ergy △ Es, etc, were obtained from the results of shrinkage kinetics analysis

关 键 词：聚酯纤维 预取向丝 收缩动力学 涤纶纤维 

分 类 号：TQ342.2[化学工程—化纤工业]