Morphology and mechanism of transcrystallization induced by fracture stress In the solution casted polystyrene/poly(ethylene oxide) blends films

被引：1
|
作者：
Yang, Jian
Dong, Xia [1 ]
Shi, Weichao
Zou, Fasheng
Liu, Wei
Wang, Dujin
Han, Charles C.
机构：
[1] Chinese Acad Sci, Inst Chem, State Key Lab Polymer Phys & Chem, Beijing 100190, Peoples R China
来源：
POLYMER | 2013年 / 54卷 / 11期
关键词：
Transcrystallization; Fracture; Stress; STRAIN-INDUCED CRYSTALLIZATION; NATURAL-RUBBER; THERMOPLASTIC COMPOSITES; POLYPROPYLENE COMPOSITES; ISOTACTIC-POLYPROPYLENE; POLYMER COMPOSITES; INTERPHASE; COATINGS; SURFACE; FIBERS;
D O I：
10.1016/j.polymer.2013.03.047
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The growth of transcrystallites induced by fracture stress was studied in the solution casted polystyrene (PS)/poly(ethylene oxide) (PEO) blends films. Both the structure geometry of the crack edge and the effect of local fracture stress on the crystallization were considered. It was found that the local fracture stress contribution is the most important factor to the formation of transcrystallites. Transcrystallites were obtained when PEO crystallized before the local fracture stress was relaxed, while only regular spherulites were obtained when crystallization took place after the relaxation of the local fracture stress. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2606 / 2610
页数：5
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