Effect of Fibre and Coupling Agent Contents on Water Absorption and Flexural Modulus of Wood Fibre Polyethylene Composites

被引:2
|
作者
Tissandier, C. [1 ]
Zhang, Y. [2 ]
Rodrigue, D. [1 ]
机构
[1] Univ Laval, Dept Chem Engn, Quebec City, PQ G1K 7P4, Canada
[2] FPInnovat, Quebec City, PQ, Canada
来源
PROCEEDINGS OF PPS-29: THE 29TH INTERNATIONAL CONFERENCE OF THE POLYMER - CONFERENCE PAPERS | 2014年 / 1593卷
关键词
Wood plastic composite; natural fibres; coupling agent; water absorption; flexural modulus; LOW-DENSITY POLYETHYLENE; FILLED POLYPROPYLENE COMPOSITES; MECHANICAL-PROPERTIES; REINFORCED POLYPROPYLENE; MORPHOLOGICAL PROPERTIES; DIMENSIONAL STABILITY; PLASTIC COMPOSITES; TENSILE PROPERTIES; FLOUR COMPOSITES; MOISTURE-CONTENT;
D O I
10.1063/1.4873810
中图分类号
O59 [应用物理学];
学科分类号
摘要
In two previous studies, wood fiber-reinforced polymer composites (WPC) were prepared via melt processing. In particular, a response surface strategy of a 20 run optimal design for these three factors was adopted. It was found that for these WPC mixing torque, melt viscosity, Young's modulus and tensile stress at break were related to the type of wood used, as well as wood and coupling agent contents. In addition, thermal properties and strain at break were mainly affected by wood and coupling agent contents. Here, a more complete characterization of these WPC under extreme environmental conditions is performed. In particular, the effect of coupling agent content, wood fibre content and wood fibre type on water absorption and flexural modulus are reported under different water immersion time and temperature. The results show that water absorption is influenced by all the parameters studied, while flexural modulus is mainly influenced by wood content and immersion temperature.
引用
收藏
页码:411 / 415
页数:5
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