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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主要作者: Eawwiboonthanakit, Netnapa
格式: Thesis
語言:English
出版: 2014
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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
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