Novel fibers preparation technique for manufacturing of rice straw based fiberboards and their characterization

A. M. El-Kassas, A. H.I. Mourad

Research output: Contribution to journalArticlepeer-review

43 Citations (Scopus)

Abstract

The present work introduces a novel fibers preparation technique for manufacturing of dry-formed rice straw based medium density fiberboard (RSMDF). The properties and the quality of the produced RSMDF were evaluated. The technique is based only on a mechanical method without pretreatment (wetting and chemical additives) before defiberation to loosen up the straw structure as usually followed in the conventional processes. The components of the manufacturing system were especially designed and fabricated. The commercial urea-formaldehyde UF resin was used as binder in manufacturing of the RSMDF. Different content levels of the conventional UF resin (16%, 18% and 19%) were targeted. The RSMDF was produced at different thicknesses (7mm, 9mm and 16mm) and average densities in the range of 728-941kg/m3. The RSMDF mechanical properties (internal bond (IB), modulus of rupture (MOR) and modulus of elasticity (MOE)) and thickness swilling (TS) were measured and analyzed as a function of density and resin content. The results revealed that, the properties of the produced fiberboards are dependent on the average density and the resin contents. The RSMDF panels were produced successfully using the new rice straw fibers preparation technique and their properties met the requirements of MDF standard.

Original languageEnglish
Pages (from-to)757-765
Number of pages9
JournalMaterials and Design
Volume50
DOIs
Publication statusPublished - Sep 2013

Keywords

  • Mechanical and swelling properties
  • Medium density fiberboards
  • Novel fiber preparation technique
  • Rice straw

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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