Influence of Interpenetration Degree on Initial Stage of Polymer Chain Crystallization

Chem. J. Chinese Universities ›› 2006, Vol. 27 ›› Issue (4): 701.

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Influence of Interpenetration Degree on Initial Stage of Polymer Chain Crystallization

ZHANG Zhu-Qing, YANG Xiao-Zhen

State Key Laboratory of Polymer Physics and Chemistry, Joint Laboratory of Polymer Science and Materials,
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China

Received:2005-04-22 Online:2006-04-10 Published:2006-04-10
Contact: YANG Xiao-Zhen,E-mail: yangx@pplas.icas.ac.cn

Abstract

Abstract:

In the present study, crystallization at the initial stage of six polyethylene chains(each chain containing 600CH₂in backbone) was simulated by means of molecular dynamics. Since the initial structures possess different degrees of interpenetration, the effect of entanglements, which arises from the interpenetration, on the crystallization was examined. The result shows that the degree of the interpenetration in the initial structures does influence the initial stage of polymer chain crystallization: the less interpenetration, the more rapid orientation behavior, and the more perfect lamella is obtained.

Key words: Molecular dynamics; Polymer coils; Degree of interpenetration; Initial stage of crystallization

CLC Number:

O641

TrendMD:

ZHANG Zhu-Qing, YANG Xiao-Zhen. Influence of Interpenetration Degree on Initial Stage of Polymer Chain Crystallization[J]. Chem. J. Chinese Universities, 2006, 27(4): 701.

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Influence of Interpenetration Degree on Initial Stage of Polymer Chain Crystallization

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