The effects of alkali-silane treatment on the tensile and flexural properties of short fibre non-woven kenaf reinforced polypropylene composites

被引：230

作者：

Asumani, O. M. L. ^{[1
]}

Reid, R. G. ^{[1
]}

Paskaramoorthy, R. ^{[1
]}

机构：

[1] Univ Witwatersrand, Sch Mech Ind & Aeronaut Engn, DST NRF Ctr Excellence Strong Mat & RP Composites, ZA-2050 Wits, South Africa

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2012年 / 43卷 / 09期

关键词：

Kenaf fibre; Fibre/matrix bond; Mechanical resting; Surface treatment; NATURAL-FIBER; MECHANICAL-PROPERTIES; BIOCOMPOSITES; PERFORMANCE; RESIN;

D O I：

10.1016/j.compositesa.2012.04.007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Kenaf fibre reinforced polypropylene composites were manufactured by compression moulding. The kenaf fibre was considered in three forms; untreated, treated with sodium hydroxide solution and treated with sodium hydroxide solution followed by three-aminopropyltriethoxysilane. The effects of these chemical treatments on the tensile and flexural properties of the composites were investigated. Mechanical test results show that alkali treatment followed by three-aminopropyltriethoxysilane treatment (alkali-silane treatment) significantly improves the tensile and flexural properties of short fibre non-woven kenaf polypropylene composites. In particular, the specific tensile and flexural strengths of alkali-silane treated kenaf composites with 30% fibre mass fraction are, respectively, only 4% and 11% lower than those of composites made using glass fibre. Scanning electron microscopy examination shows that the improvements in the tensile and flexural properties resulting from alkali-silane treatment can be attributed to better bonding between the fibres and matrix. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1431 / 1440

页数：10

共 26 条

[1] Activation energy and crystallization kinetics of untreated and treated oil palm fibre reinforced phenol formaldehyde composites [J].