Mechanical properties of BPDA-ODA polyimide fibers

被引：76
作者：
Zhang, QH [1 ]
Dai, M
Ding, MX
Chen, D
Gao, LX
机构：
[1] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Chem Fibers & Polymer Mat, Shanghai 200051, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
来源：
EUROPEAN POLYMER JOURNAL | 2004年 / 40卷 / 11期
基金：
中国国家自然科学基金;
关键词：
polyimide; high performance fibers; mechanical properties;
D O I：
10.1016/j.eurpolymj.2004.06.020
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
An aromatic polyimide was synthesized via a one-step polycondensation reaction between biphenyltetracarboxylic dianhydride (BPDA) and 4,4'-oxydianiline (ODA) in p-chlorophenol. The polyimide (BPDA-ODA) solution dopes were spun into fibers by means of dry-jet wet spinning. The as-spun fibers were drawn and treated in heating tubes for improving the mechanical properties. The thermal treatment on the fibers resulted in a relatively high tensile strength and modulus. Thermal mechanical analysis (TMA) was employed to study the linear coefficient of thermal expansion (CTE). Thermal gravimetry analysis (TGA) spectra showed that the BPDA-ODA fibers possessed an excellent property of thermo-oxidative degradation resistance. The sonic modulus E-s of the polyimide fibers was measured. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2487 / 2493
页数：7
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