Rice husk flour biocomposites based on recycled high-density polyethylene/polyethylene terephthalate blend: Effect of high filler loading on physical, mechanical and thermal properties

Ruey Shan Chen, Mohd Hafizuddin Ab Ghani, Sahrim Ahmad, Mohd Nazry Salleh, Mou'Ad A. Tarawneh

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Biocomposites of recycled high-density polyethylene (rHDPE)/recycled polyethylene terephthalate (rPET) matrices with a high loading of rice husk flour (RHF) were fabricated through a two-step extrusion. The use of ethylene-glycidyl methacrylate (E-GMA) copolymer improved the compatibility of the immiscible rHDPE/rPET blend. Maleic anhydride polyethylene (MAPE) was used as a coupling agent to increase the adhesion of the fibre-matrix interface. In this study, the effect of natural fibre loadings on rHDPE/rPET blends was examined. The water absorption process in the RHF-filled composites followed the kinetics and mechanisms of Fickian diffusion. Compared with samples without RHF, the rHDPE/rPET/RHF system had 58-172% higher tensile modulus and 80-305% flexural modulus. The thermal stability of the composites slightly increased with the addition of the RHF filler. The storage modulus of biocomposites was greatly enhanced by RHF. From these results, we can conclude that RHF can work well with rHDPE/rPET for manufacturing high loading biocomposite products.

Original languageEnglish
Pages (from-to)1241-1253
Number of pages13
JournalJournal of Composite Materials
Volume49
Issue number10
DOIs
Publication statusPublished - 22 May 2015

Fingerprint

Polyethylene Terephthalates
Polyethylene
High density polyethylenes
Polyethylene terephthalates
Fillers
Thermodynamic properties
Physical properties
Mechanical properties
Elastic moduli
Maleic Anhydrides
Natural fibers
Coupling agents
Composite materials
Maleic anhydride
Water absorption
Extrusion
Polyethylenes
Ethylene
Thermodynamic stability
Adhesion

Keywords

  • High loading biocomposites
  • mechanical properties
  • recycled thermoplastic polymer
  • rice husk
  • thermal analysis
  • water absorption

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Rice husk flour biocomposites based on recycled high-density polyethylene/polyethylene terephthalate blend : Effect of high filler loading on physical, mechanical and thermal properties. / Chen, Ruey Shan; Ab Ghani, Mohd Hafizuddin; Ahmad, Sahrim; Salleh, Mohd Nazry; Tarawneh, Mou'Ad A.

In: Journal of Composite Materials, Vol. 49, No. 10, 22.05.2015, p. 1241-1253.

Research output: Contribution to journalArticle

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