A quantitative analysis of the effect of interface delamination on the fracture behavior and toughness of multilayered propylene-ethylene copolymer/low density polyethylene films by the essential work of fracture (EWF)

被引：20

作者：

He, Guansong ^{[1
]}

Li, Jiang ^{[1
]}

Zhang, Fengshun ^{[1
]}

Lei, Fan ^{[1
]}

Guo, Shaoyun ^{[1
]}

机构：

[1] Sichuan Univ, Polymer Res Inst, State Key Lab Polymer Mat Engn, Chengdu 610065, Sichuan, Peoples R China

来源：

POLYMER | 2014年 / 55卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Multilayered coextrusion; Essential work of fracture (EWF); Fracture behavior; DEFORMATION RATE DEPENDENCE; NONESSENTIAL WORK; MICROLAYER; POLYPROPYLENE; COMPOSITES; POLYCARBONATE; PARAMETERS; ORIGIN;

D O I：

10.1016/j.polymer.2014.01.039

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 multilayered propylene ethylene copolymer (CPP)/low density polyethylene (LOPE) composite sheets were prepared by the microlayered coextrusion system. The essential work of fracture (EWF) method was firstly used to quantitatively evaluate the fracture behavior of layered materials. The experimental results indicated that the two-dimensional layered interfaces in the multilayered materials could play an important role in the fracture behavior. The specific essential work of fracture, we, increased with the layers due to interfacial delamination. Additionally, the different testing speeds had a dual effect on the increscent trend of the specific essential work of fracture, we, with increasing layers. (c) 2014 Elsevier Ltd. All rights reserved.

引用

页码：1583 / 1592

页数：10

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