Effect of graphite on mechanical, thermal and morphological properties of kenaf recycle polypropylene wood plastic composites

Ramli, R.A. and Zulkifli, M.S. and Rabat, N.E. (2020) Effect of graphite on mechanical, thermal and morphological properties of kenaf recycle polypropylene wood plastic composites. Materials Science Forum, 981 MS. pp. 144-149.

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Abstract

The objective of this research is to investigate the effect of incorporating graphite filler on mechanical, thermal and morphological properties of wood recycled plastic composites (WrPC). WrPC was prepared using recycled polypropylene (rPP), kenaf core, maleic anhydride polypropylene (MAPP) and graphite filler. The graphite content in WrPC is 3 phr. All materials were premixed manually and fed into a single screw extruder and compression molded to prepare mechanical test specimens. The effect of graphite on tensile properties, impact strength, glass transition temperature (Tg) and morphological properties of WrPC were studied. Tensile strength was increased from 6.81 MPa to 10.07 MPa due to stronger interfacial adhesion between graphite and kenaf/rPP. However, the tensile modulus decreased significantly with the incorporation of graphite. Impact strength of WrPC was increased from 2.48 kJ/m2 to 2.83 kJ/m2 due to the present of graphite that gave effective distribution of applied stress and increase resistance of crack propagation. DSC results indicated that Tg of graphite/WrPC is comparable to WPC at 163°C. The internal structure of WrPC showed the addition of graphite had filled the voids and lead to smooth morphology. © 2020 Trans Tech Publications Ltd, Switzerland.

Item Type: Article
Impact Factor: cited By 0
Uncontrolled Keywords: Fillers; Glass transition; Graphite; Hemp; Impact strength; Polypropylenes; Tensile strength; Wood products, Effective distribution; Interfacial adhesions; Internal structure; Maleic anhydride polypropylenes; Morphological properties; Recycled polypropylene; Single screw extruder; Wood plastic composite, Plastic recycling
Depositing User: Ms Sharifah Fahimah Saiyed Yeop
Date Deposited: 27 Aug 2021 06:27
Last Modified: 27 Aug 2021 06:27
URI: http://scholars.utp.edu.my/id/eprint/24810

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