Crystallization Process and Morphology Structure of Poly(aryl ether ether ketone ketone)Containing Meta-phenyl Links

Chem. J. Chinese Universities ›› 1997, Vol. 18 ›› Issue (2): 313.

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Crystallization Process and Morphology Structure of Poly(aryl ether ether ketone ketone)Containing Meta-phenyl Links

CHEN Ye¹, ZHANG Xue-Yan¹, YANG De-Cai¹, WANG Jun-Zuo², WU Zhong-Wen²

1. Polymer Physics Laboratory, Changchun Institute of Applied Chemistry, Academia Sinica, Changchun, 130022;
2. Department of Chemistry, Jilin University

Received:1996-04-10 Online:1997-02-24 Published:1997-02-24

Abstract

Abstract: The crystallization process and morphology of poly (aryl ether ether ketone ketone) containing meta-phenyl links (PEEKmK) have been investigated by transmission electron microscopy and electron diffraction.The results indicate that the thin films of PEEKmKisothermally crystallized from both the glassy state and the melt at the temperature range of 180-250 ℃ consist of two kinds of morphological forms, i.e.large (order of um), flat-on single crystals and narrow, lath-like, edge-on lamellae.The latter consists of the spherulites.Meanwhile, the growing process of the two kinds of morphological forms has been discussed.

Key words: Poly (aryl ether ether ketone ketone), Crystallization process, Morphology structure

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CHEN Ye, ZHANG Xue-Yan, YANG De-Cai, WANG Jun-Zuo, WU Zhong-Wen. Crystallization Process and Morphology Structure of Poly(aryl ether ether ketone ketone)Containing Meta-phenyl Links[J]. Chem. J. Chinese Universities, 1997, 18(2): 313.

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Crystallization Process and Morphology Structure of Poly(aryl ether ether ketone ketone)Containing Meta-phenyl Links

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