Effect of maleic anhydride on dielectric properties of natural fiber composite

被引：26

作者：

Ben Amor, I. ^{[1
]}

Arous, M. ^{[1
]}

Kallel, A. ^{[1
]}

机构：

[1] Fac Sci Sfax, Lab Mat Composites Ceram & Polymeres, Sfax 3018, Tunisia

来源：

JOURNAL OF ELECTROSTATICS | 2014年 / 72卷 / 02期

关键词：

Natural fibre; Composite; Dielectric relaxation; Acetylation; MECHANICAL-PROPERTIES; WOOD FIBERS; RELAXATION; CELLULOSE; POLYETHYLENE;

D O I：

10.1016/j.elstat.2013.12.006

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The use of short palm tree lignocellulosic fibers as a reinforcing phase in polyester matrix has been reported. In order to improve interfacial adhesion, the esterification of the lignocellulosic filler in alkaline medium was performed using maleic anhydride. The dynamic dielectrical analysis of short palm tree lignocellulosic fibres reinforced polyester composites was carried out. Measurements were performed in the frequency range 1-10(4) Hz. Two relaxations processes were identified in the case of polyester matrix and non treated fibre composite, which are the a relaxation associated with glass-rubbery transition of the polymer and the relaxation process associated with conductivity occurring as a result of the carriers charges diffusion for high temperature above glass transition and low frequencies. For the treated fiber composite with anhydride, a new relaxation process due to the molecular motion of amorphous celluloses was identified. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：156 / 160

页数：5

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