Morphology and stress-relaxation of biaxially oriented cross-linked polyethylene films

被引：8
|
作者：
Bobovitch, A
Gutman, EM
Henning, S
Michler, GH
机构：
[1] Ben Gurion Univ Negev, Dept Mat Engn, IL-84105 Beer Sheva, Israel
[2] Univ Halle Wittenberg, Dept Engn, D-4010 Halle Saale, Germany
来源：
MATERIALS LETTERS | 2003年 / 57卷 / 16-17期
关键词：
stress-relaxation; oriented thin films; relaxation time spectrum; morphology; polymers;
D O I：
10.1016/S0167-577X(02)01317-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present work, the morphology and stress-relaxation of cross-linked polyethylene films were investigated. The stress-relaxation of cross-linked films was studied as a function of temperature and as a function of the irradiation dose applied. The relaxation time spectra of cross-linked films were observed to display additional relaxation times. Irradiation dose and temperature were shown to influence the relaxation time spectrum of. cross-linked and non-cross-linked films. The crystallization of cross-linked and non-cross-linked polyethylene was compared. It was shown that the lower mobility of the cross-linked molecules affects the final crystallinity. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：2597 / 2601
页数：5
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