Paper Title:
The Effects of Residual Lignin Content on Wood Fibre Reinforced Polypropylene Composites
  Abstract

This study investigates the effect weathering on composites made from fibre subjected to various stages of a standard Kraft pulping process. Pre-washed, washed and bleached Kraft wood fibre of kappa numbers 27, 17, and 1 was assessed in terms of its surface potential using the streaming potential method and combined with polypropylene (PP) to produce composites. Composites were prepared using a twin screw extruder followed by pelletising and injection moulding. Tensile testing, hardness testing and impact testing were carried out to evaluate the composite mechanical properties. It was found that fibre with higher amounts of residual lignin content led to composites with lower tensile and impact strengths and increased degradability when subjected to accelerated weathering testing.

  Info
Periodical
Advanced Materials Research (Volumes 29-30)
Edited by
Deliang Zhang, Kim Pickering, Brian Gabbitas, Peng Cao, Alan Langdon, Rob Torrens and Johan Verbeek
Pages
323-326
DOI
10.4028/www.scientific.net/AMR.29-30.323
Citation
M.D.H. Beg, K.L. Pickering, "The Effects of Residual Lignin Content on Wood Fibre Reinforced Polypropylene Composites", Advanced Materials Research, Vols. 29-30, pp. 323-326, 2007
Online since
November 2007
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Price
$32.00
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