Preparation and properties of poly(phthalazinone ether ketone) fibers by dry spinning

被引：0
|
作者：
Dong D. [1 ]
Bin Y. [1 ]
Jian X. [1 ,2 ]
机构：
[1] School of Chemical Engineering, Dalian University of Technology, Dalian
[2] Liaoning Province Engineering Technology Center of High Performance Resins, Dalian
来源：
Bin, Yuezhen (binyz@dlut.edu.cn) | 1600年 / China Textile Engineering Society卷 / 41期
关键词：
Diazanaphthalene; Dry spinning; High temperature resistance performance; Mixed solvent; Poly(aryl ether ketone);
D O I：
10.13475/j.fzxb.20200501006
中图分类号：
学科分类号：
摘要：
To expand applications of poly(phthalazinone ether ketone) (PPEK) in fiber preparation, PPEK fibers were prepared by dry spinning with PPEK and mixed solvent of p-chlorophenol and 1, 1', 2, 2'-tetrachloroethane (volume ratio is 1: 1). PPEK solution and PPEK fibers were characterized by rotating rheometer, differential scanning calorimeter, polarizing microscope, universal tensile tester, X-ray diffractometer and fiber sound velocimeter. The results show that optimal spinning temperature of 40% PPEK solution is 140℃. After being elongated by 1.43 times, breaking strength, elastic modulus and sonic orientation factor of PPEK fibers reach 167.6 MPa, 4.6 GPa and 0.570 5, respectively. Hot elongated PPEK fibers has good heat resistance and remains amorphous with glass transition temperature of higher than 250℃. © 2020, Periodical Agency of Journal of Textile Research. All right reserved.
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页码：1 / 6
页数：5
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