Features of the delocalized crazing of high-density polyethylene in poly(ethylene oxide) solutions

被引：11
|
作者：
Yarysheva, A. Yu. [1 ]
Bagrov, D. V. [2 ]
Rukhlya, E. G. [1 ]
Yarysheva, L. M. [1 ]
Volynskii, A. L. [1 ]
Bakeev, N. F. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Fac Chem, Moscow 119991, Russia
[2] Moscow MV Lomonosov State Univ, Fac Biol, Moscow 119991, Russia
来源：
POLYMER SCIENCE SERIES A | 2012年 / 54卷 / 10期
基金：
俄罗斯基础研究基金会;
关键词：
LIQUID-MEDIA; POLY(ETHYLENE-TEREPHTHALATE); ADSORPTION; DEFORMATION; POLYSTYRENE; DIFFUSION; BEHAVIOR; GLASS;
D O I：
10.1134/S0965545X12090106
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
It is shown that the deformation of high-density polyethylene films in poly(ethylene oxide) solutions occurs via the delocalized-crazing mechanism and leads to the formation of polymer blends. With an increase in the draw ratio, the concentration of poly(ethylene oxide) in the blend increases and significantly exceeds the theoretical values calculated from the polyethylene porosity and the poly(ethylene oxide) concentration in the solution. It is suggested that the high concentration of poly(ethylene oxide) in the blends is due to its adsorption on a highly developed surface of polyethylene deformed via the crazing mechanism. The composition of the resulting blends is independent of the strain rate.
引用
收藏
页码：779 / 786
页数：8
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