[2018-Vol.15-Issue 6]Effects of Surface Treatments on Tensile, Thermal and Fibre-matrix Bond Strength of Coir and Pineapple Leaf Fibres with Poly Lactic Acid
Time: 2018-12-28 18:01  Click:378

Journal of Bionic Engineering

November 2018, Volume 15, Issue 6, pp 1035–1046

Ramengmawii Siakeng, Mohammad JawaidEmail author, Hidayah Ariffin, Mohd Sapuan Salit

1. Higher Institution Centre of Excellence Wood and Tropical Fibre (HiCoE), Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, Serdang, Malaysia

2.Department of Chemical Engineering, College of Engineering, King Saud University, Riyadh, Kingdom of Saudi Arabia

3.Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Malaysia

4.Department of Mechanical and Manufacturing Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang, Malaysia

Abstract

Coir Fibres (CF) and Pineapple Leaf Fibres (PALF) are valuable natural fibres which are abundantly available in Malaysia as agricultural wastes. The aim of this study is to investigate the effects of alkali (6%), silane (2%), and calcium hydroxide (6%) on tensile, morphological, thermal, and structural properties of CF and PALF to improve their interfacial bonding with Polylactic Acid (PLA) matrix. Scanning electron microscopy and Fourier transform infrared spectroscopy were used to observe the effectiveness of the chemical treatments in the removal of impurities. Alkali treated fibres yield the lowest fibre diameter and the highest Interfacial Stress Strength (IFSS). Thermogravimetric Analysis (TGA) shows improved thermal stability in silane treated CF and alkali treated PALF. It is assumed that fibre treatments can help to develop biodegradable CF and PALF reinforced PLA biocomposites for industrial applications.

Keywords

natural fibre    surface treatment    tensile properties    fibre-matrix bond strength    thermal properties 

Full text is available at :https://link.springer.com/article/10.1007/s42235-018-0091-z

 

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