The Index of Dry-Jet Wet Spinning for Polyacrylonitrile Precursor Fibers

被引：9

作者：

Wang, Tai-Yuan ^{[1
]}

Chang, Hsiao-Chuan ^{[2
]}

Chiu, Yu-Tsung ^{[2
]}

Tsai, Jia-Lin ^{[1
]}

机构：

[1] Natl Chiao Tung Univ, Dept Mech Engn, Hsinchu, Taiwan

[2] Ind Technol Res Inst, Mat & Chem Res Labs, Dept Multiscale Simulat, Hsinchu, Taiwan

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2015年 / 132卷 / 02期

关键词：

fibers; phase behavior; viscosity and viscoelasticity; X-RAY-DIFFRACTION; MOLECULAR-WEIGHT; DRAW RATIO; SOLVENT; SPUN; DIFFUSION; KINETICS; POLYMER; DMSO;

D O I：

10.1002/app.41265

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A new spinning index for a PAN precursor fiber is proposed that includes the viscosity of a spinning dope, the thermodynamic affinity, and the draw ratio during the spinning process. Through dry-jet wet spinning, six types of PAN precursor fibers with different spinning parameters, including solid content, solvent content in a bath, and draw ratio, were fabricated and analyzed with tensile tests, SEM, and XRD. The results show that the spinning index can reflect the mechanical properties of the fibers but is less indicative of crystallinity. Hence, the current spinning index is recommended for use as an indicator for the mechanical properties of PAN precursor fibers. (c) 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41265.

引用

页数：10

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