Mechanism of fiber/matrix bond and properties of wood polymer composites produced from alkaline-treated Daniella oliveri wood flour

Eyitayo Olatunde Olakanmi, Emmanuel Ademola Ogunesan, Ephraim Vunain, Ruth Anayimi Lafia-Araga, Mulalo Doyoyo, Reinout Meijboom

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The effects of sodium hydroxide (NaOH) concentration and time of treatment on the mechanism of fiber/matrix bond and functional properties of Daniella oliveri reinforced wood polymer composites (WPCs) were investigated. The WPCs were evaluated using Fourier transform infrared spectroscopy, mechanical testing, scanning electron microscopy, thermogravimetric analysis (TGA), and differential scanning calorimetry. The fiber/matrix adhesion mechanism could be attributed to the disruption of hydrogen bonding in the D. oliveri wood fiber network structure and the removal of lignin, wax and oils covering the external surface of the fiber cell wall. This leads to an increase in desirable functional properties as alkaline concentrations reached 4 wt%, but subsequently reduced at higher concentrations, while they increased with treatment time. Analysis of the fractographs of the WPCs suggests optimization of interfacial fiber–matrix adhesion and functional properties when D. oliveri wood fiber was treated with a 4 wt% solution of NaOH for 150 min. POLYM. COMPOS., 37:2657–2672, 2016.

Original languageEnglish
Pages (from-to)2657-2672
Number of pages16
JournalPolymer Composites
Volume37
Issue number9
DOIs
Publication statusPublished - Sep 1 2016

Fingerprint

Wood
Polymers
Fibers
Composite materials
Adhesion
Sodium Hydroxide
Lignin
Mechanical testing
Waxes
Fourier transform infrared spectroscopy
Thermogravimetric analysis
Differential scanning calorimetry
Hydrogen bonds
Oils
Cells
Sodium
Scanning electron microscopy

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Olakanmi, Eyitayo Olatunde ; Ogunesan, Emmanuel Ademola ; Vunain, Ephraim ; Lafia-Araga, Ruth Anayimi ; Doyoyo, Mulalo ; Meijboom, Reinout. / Mechanism of fiber/matrix bond and properties of wood polymer composites produced from alkaline-treated Daniella oliveri wood flour. In: Polymer Composites. 2016 ; Vol. 37, No. 9. pp. 2657-2672.
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Mechanism of fiber/matrix bond and properties of wood polymer composites produced from alkaline-treated Daniella oliveri wood flour. / Olakanmi, Eyitayo Olatunde; Ogunesan, Emmanuel Ademola; Vunain, Ephraim; Lafia-Araga, Ruth Anayimi; Doyoyo, Mulalo; Meijboom, Reinout.

In: Polymer Composites, Vol. 37, No. 9, 01.09.2016, p. 2657-2672.

Research output: Contribution to journalArticle

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