Mechanical Properties and Foaming Behavior of Cellulose Fiber Reinforced High-Density Polyethylene Composites

被引：32

作者：

Kuboki, Takashi ^{[1
]}

Lee, Yoon H. ^{[2
]}

Park, Chul B. ^{[1
]}

Sain, Mohini ^{[2
]}

机构：

[1] Univ Toronto, Microcellular Plast Mfg Lab, Dept Mech & Ind Engn, Toronto, ON M5S 3G8, Canada

[2] Univ Toronto, Fac Forestty, Ctr Biocomposites & Biomat Proc, Toronto, ON M5S 3B3, Canada

来源：

POLYMER ENGINEERING AND SCIENCE | 2009年 / 49卷 / 11期

基金：

加拿大自然科学与工程研究理事会;

关键词：

CELL MORPHOLOGY; POLYPROPYLENE; EXTRUSION; ADHESION; MOISTURE; SYSTEM;

D O I：

10.1002/pen.21464

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This article investigates the effects of fiber length and maleated polymers on the mechanical properties and foaming behavior of cellulose fiber reinforced high-density polyethylene composites. The results from the mechanical tests suggested that long fibers provided higher flexural and impact properties than short fibers. In addition, the maleated high-density polyethylene increased flexural strength significantly, while the maleated thermoplastic elastormers increased notched Izod impact strength dramatically. On the other hand, the results from the extrusion foaming indicated that the composites with long and short fibers demonstrated similar cell morphology, i.e., a similar average cell size and cell size distribution. However, the addition of maleated high-density polyethylene caused an increase of the average cell size and cell size distribution in the composites. POLYM. ENG. SCI., 49:2179-2188, 2009. (C) 2009 Society of Plastics Engineers

引用

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页码：2179 / 2188

页数：10

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