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Issue 55, 2017
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Lignocellulosic fibers: a critical review of the extrusion process for enhancement of the properties of natural fiber composites

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Abstract

Natural fiber composites have various applications, since they can bring interesting mechanical and sustainability properties. Extrusion with a single- or twin-screw is the main industrial process to incorporate lignocellulosic fibers into polymers. In this review, the origin and preparation of lignocellulosic fibers are first presented, before discussing the composite processing, with a particular emphasis on the impact of process conditions on the composites final properties that is highly related to the final application. A broad panel of composites reinforced with lignocellulosic fibers is reviewed along with their polymeric matrix, lignocellulosic fiber type and pretreatments, and extrusion process conditions. Finally, the most critical extrusion process parameters (screw profile, speed and temperature) are also examined in order to determine some guidelines to optimize lignocellulosic fiber composites preparation.

Graphical abstract: Lignocellulosic fibers: a critical review of the extrusion process for enhancement of the properties of natural fiber composites

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Article information


Submitted
09 May 2017
Accepted
30 Jun 2017
First published
11 Jul 2017

This article is Open Access

RSC Adv., 2017,7, 34638-34654
Article type
Review Article

Lignocellulosic fibers: a critical review of the extrusion process for enhancement of the properties of natural fiber composites

A. Gallos, G. Paës, F. Allais and J. Beaugrand, RSC Adv., 2017, 7, 34638 DOI: 10.1039/C7RA05240E

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