Parallel composite polyester elastic fiber and its properties

被引：2
|
作者：
Li, Mingming [1 ]
Chen, Ye [1 ]
Jiang, Hu [2 ]
Li, Junling [1 ]
Li, Xia [1 ]
Wang, Huaping [1 ]
机构：
[1] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
[2] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200444, Peoples R China
来源：
MATERIALS TODAY-PROCEEDINGS | 2019年 / 16卷
基金：
中国国家自然科学基金;
关键词：
Parallel composite fiber; drafting; heat treatment; crimping property; mechanical properties;
D O I：
10.1016/j.matpr.2019.05.327
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The side-by-side composite fiber is a multi-component composite fiber having a three-dimensional spiral crimp structure, and its main feature is that physical properties and functional design can be realized by adjusting the composite composition and the composite ratio. In this paper, polyester raw materials with different viscosities are selected as the two components of the fiber. The twin-screw spinning machine and the hollow "8"-shaped spinneret are used to prepare the side-by-side composite fiber. The fiber is subjected to different multiple drawing and heat treatment at different temperatures. The fiber obtained a three-dimensional crimped structure. The results show that the fiber can be stretched to increase the breaking strength, the elongation at break is reduced, the dimensional stability is improved, and the fiber is more dense and finely crimped. Heat treatment of the fiber can make the crystallization of the fiber more perfect, the breaking strength is improved, and the fiber elastic property is improved. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1480 / 1484
页数：5
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