Fabrication And Characterization Of Poly (L-Lactic Acid) (Plla) Blends And Pllaikenaf Fiber Composites

Environmental impacts are the main global concem which induce to incremental awareness on the replacement of conventional plastic materials by biodegradable plastic e.g. Poly (L-Iactic acid) (PLLA). Investigations on mechanical and thermal properties of PLLA blends and PLLA/kenaf fiber composites...

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Main Author:	Eawwiboonthanakit, Netnapa
Format:	Thesis
Language:	English
Published:	2014
Subjects:	TN1-997 Mining engineering Metallurgy
Online Access:	http://eprints.usm.my/61125/1/24%20Pages%20from%2000001785137.pdf
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id	my-usm-ep.61125
record_format	uketd_dc
spelling	my-usm-ep.611252024-09-17T02:35:48Z Fabrication And Characterization Of Poly (L-Lactic Acid) (Plla) Blends And Pllaikenaf Fiber Composites 2014-12 Eawwiboonthanakit, Netnapa TN1-997 Mining engineering. Metallurgy Environmental impacts are the main global concem which induce to incremental awareness on the replacement of conventional plastic materials by biodegradable plastic e.g. Poly (L-Iactic acid) (PLLA). Investigations on mechanical and thermal properties of PLLA blends and PLLA/kenaf fiber composites by internal mixing were observed in this study. Properties of PLLA blended with polymer additives; carboxyl-terminated butadiene acrylonitrile (CTBN), acrylonitrile butadiene styrene (ABS) and poly (lactic acid) (PLA) microsphere at various blend ratios (10010, 98/2, 96/4, 94/6 and 92/8 wt%) are observed in the first part. It was found that PLLA/PLA microsphere blend at 92/8 blend ratio presented higher mechanical, thermal and melt now index properties with resulting of fibril formation in the microstructure compared to other blends systems. Effects of fiber surface modification and fiber loading on the mechanical and thermal properties of kenaf fiber (KF) in PLLAIPLA microsphere/KF composites were investigated in second part of study. Addition of 4 wt% of treated KF (T-KF) in the composite illustrated higher flexural strength and easy to process compared to composite with 30 wt% of T -KF content. 2014-12 Thesis http://eprints.usm.my/61125/ http://eprints.usm.my/61125/1/24%20Pages%20from%2000001785137.pdf application/pdf en public masters Perpustakaan Hamzah Sendut Pusat Pengajian Kejuruteraan Bahan & Sumber Mineral
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	TN1-997 Mining engineering Metallurgy
spellingShingle	TN1-997 Mining engineering Metallurgy Eawwiboonthanakit, Netnapa Fabrication And Characterization Of Poly (L-Lactic Acid) (Plla) Blends And Pllaikenaf Fiber Composites
description	Environmental impacts are the main global concem which induce to incremental awareness on the replacement of conventional plastic materials by biodegradable plastic e.g. Poly (L-Iactic acid) (PLLA). Investigations on mechanical and thermal properties of PLLA blends and PLLA/kenaf fiber composites by internal mixing were observed in this study. Properties of PLLA blended with polymer additives; carboxyl-terminated butadiene acrylonitrile (CTBN), acrylonitrile butadiene styrene (ABS) and poly (lactic acid) (PLA) microsphere at various blend ratios (10010, 98/2, 96/4, 94/6 and 92/8 wt%) are observed in the first part. It was found that PLLA/PLA microsphere blend at 92/8 blend ratio presented higher mechanical, thermal and melt now index properties with resulting of fibril formation in the microstructure compared to other blends systems. Effects of fiber surface modification and fiber loading on the mechanical and thermal properties of kenaf fiber (KF) in PLLAIPLA microsphere/KF composites were investigated in second part of study. Addition of 4 wt% of treated KF (T-KF) in the composite illustrated higher flexural strength and easy to process compared to composite with 30 wt% of T -KF content.
format	Thesis
qualification_level	Master's degree
author	Eawwiboonthanakit, Netnapa
author_facet	Eawwiboonthanakit, Netnapa
author_sort	Eawwiboonthanakit, Netnapa
title	Fabrication And Characterization Of Poly (L-Lactic Acid) (Plla) Blends And Pllaikenaf Fiber Composites
title_short	Fabrication And Characterization Of Poly (L-Lactic Acid) (Plla) Blends And Pllaikenaf Fiber Composites
title_full	Fabrication And Characterization Of Poly (L-Lactic Acid) (Plla) Blends And Pllaikenaf Fiber Composites
title_fullStr	Fabrication And Characterization Of Poly (L-Lactic Acid) (Plla) Blends And Pllaikenaf Fiber Composites
title_full_unstemmed	Fabrication And Characterization Of Poly (L-Lactic Acid) (Plla) Blends And Pllaikenaf Fiber Composites
title_sort	fabrication and characterization of poly (l-lactic acid) (plla) blends and pllaikenaf fiber composites
granting_institution	Perpustakaan Hamzah Sendut
granting_department	Pusat Pengajian Kejuruteraan Bahan & Sumber Mineral
publishDate	2014
url	http://eprints.usm.my/61125/1/24%20Pages%20from%2000001785137.pdf
_version_	1811772882242502656

Fabrication And Characterization Of Poly (L-Lactic Acid) (Plla) Blends And Pllaikenaf Fiber Composites

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