Mechanical properties of wood flour/HDPE/ionomer composites

被引：30
|
作者：
Li, Tieqi [1 ]
Yan, Ning [1 ]
机构：
[1] Univ Toronto, Fac Forestry, Toronto, ON M5S 3B3, Canada
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2007年 / 38卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
polymer-matrix composites (PMCs); thermoplastic resin; wood; mechanical properties; creep; thermal analysis; electron microscopy;
D O I：
10.1016/j.compositesa.2006.02.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The structure and mechanical properties of wood flour composites with HDPE/ionomer blends as matrices were studied at a fixed wood loading of 60% by weight. It was found that toughness and strength properties of the composites can be improved significantly by adding ionomers of different types and contents. The enhancement in the interfacial interaction was observed through short-time creep analysis. The interfacial interaction and the structure of the matrix phase were characterized through the melting behavior using differential scanning calorimetry (DSC) and with small strain oscillatory tests on the melts using a Dynamic Mechanical Analyzer. Both the sodium and zinc ionomers were found to be immiscible with the HDPE in matrix. The immiscible characteristic was correlated with the interfacial load transfer efficiency as revealed by the creep tests. (c) 2006 Elsevier Ltd. All rights reserved.
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页码：1 / 12
页数：12
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