Strain-induced Crystallization Behavior of Amorphous PEEK Prepared by Rapid Compression

doi:10.7503/cjcu20121060

Chem. J. Chinese Universities ›› 2013, Vol. 34 ›› Issue (5): 1258.doi: 10.7503/cjcu20121060

• Polymer Chemistry • Previous Articles Next Articles

Strain-induced Crystallization Behavior of Amorphous PEEK Prepared by Rapid Compression

ZHANG Yang¹, ZHUO Ran-Ran², SHAO Chun-Guang¹, LI Qian¹, ZHANG Rui-Jing¹, LIU Cheng-Gang¹, WANG Ming-You³, ZHANG Dou-Dou³, WANG Song-Jie¹, CAO Wei¹, SHEN Chang-Yu¹

1. National Engineering Research Center for Advanced Polymer Processing Technology, School of Mechanics and Engineering Science, Zhengzhou University, Zhengzhou 450002, China;
2. Physical Engineering College, Zhengzhou University, Zhengzhou 450001, China;
3. Laboratory of High Pressure Physics, Southwest Jiaotong University, Chengdu 610031, China

Received:2012-11-22 Online:2013-05-10 Published:2013-05-10

Abstract

Abstract:

The crystallization behavior of poly(ether-ether-ketone)(PEEK) prepared by rapid compression(RC) and quenched cold(QC) drawn at different drawing temperatures(T_d) and drawing speeds(v) were studied by wide angl X-ray diffraction(WAXD). The results show that the critical crystallization strains of RC samples are lower than that of QC samples under the same drawing conditions and reduced with drawing temperature and speed increasing. The crystallinity of samples drawn under the same temperature changed unconspicuously with the drawing speed increasing. Moreover, as drawing temperature increased, the crystallinity is improved obviously. The results show that crystallinity depends on drawing temperature mainly.

Key words: Rapid compression, Amorphous poly(ether-ether-ketone), Drawing, Critical crystal strain, Crystallinity

CLC Number:

O631

TrendMD:

ZHANG Yang, ZHUO Ran-Ran, SHAO Chun-Guang, LI Qian, ZHANG Rui-Jing, LIU Cheng-Gang, WANG Ming-You, ZHANG Dou-Dou, WANG Song-Jie, CAO Wei, SHEN Chang-Yu. Strain-induced Crystallization Behavior of Amorphous PEEK Prepared by Rapid Compression[J]. Chem. J. Chinese Universities, 2013, 34(5): 1258.

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Strain-induced Crystallization Behavior of Amorphous PEEK Prepared by Rapid Compression

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