Effect of chemical modification on properties of hybrid fiber biocomposites

被引：180

作者：

John, Maya Jacob ^{[1
]}

Francis, Bejoy ^{[1
]}

Varughese, K. T. ^{[2
]}

Thomas, Sabu ^{[1
]}

机构：

[1] Mahatma Gandhi Univ, Sch Chem Sci, Kottayam 686560, Kerala, India

[2] Cent Power Res Inst, Polymer Lab, Bangalore 560080, Karnataka, India

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2008年 / 39卷 / 02期

关键词：

fibres; mechanical properties; surface treatments;

D O I：

10.1016/j.compositesa.2007.10.002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of chemical modification of fiber surface in sisal-oil palm reinforced natural rubber green composites have been studied. Composites were prepared using fibers treated with varying concentrations of sodium hydroxide solution and different silane coupling agents. The vulcanisation parameters, processability conditions and tensile properties and swelling characteristics of these composites were analysed. The fiber reinforcing efficiency of the chemically treated biocomposites was compared with that of untreated composites. The extent of fiber alignment and strength of fiber-rubber interfacial adhesion was analysed from the swelling measurements. Composites containing chemically treated fibers were found to possess enhanced mechanical properties. The hardness and abrasion resistance of the untreated and treated composites were also analyzed. Surface characterization of treated and untreated sisal fibers by XPS showed the presence of numerous elements on the surface of the fiber. The fracture mechanism of treated and untreated fiber reinforced rubber biocomposites was investigated from SEM studies. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：352 / 363

页数：12

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