Preparation and characterization of poly (lactic acid) / poly (butylene succinate) / graphene oxide composite

The present research study the effect of graphene oxide (GO) on the properties of poly(lactic acid)/poly(butylene succinate), (PLA/PBS). GO was synthesized from graphite through modified Hummers’ method. The synthesized GO was characterized using Fourier Transform Infrared Spectroscopy (FTIR), X-ray...

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Main Author:	Md Sukur, Nuraini
Format:	Thesis
Language:	English
Published:	2017
Subjects:	Biodegradable plastics Polymeric composites
Online Access:	http://psasir.upm.edu.my/id/eprint/71031/1/FS%202017%2089%20-%20IR.pdf
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id	my-upm-ir.71031
record_format	uketd_dc
spelling	my-upm-ir.710312019-08-09T05:30:36Z Preparation and characterization of poly (lactic acid) / poly (butylene succinate) / graphene oxide composite 2017-05 Md Sukur, Nuraini The present research study the effect of graphene oxide (GO) on the properties of poly(lactic acid)/poly(butylene succinate), (PLA/PBS). GO was synthesized from graphite through modified Hummers’ method. The synthesized GO was characterized using Fourier Transform Infrared Spectroscopy (FTIR), X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), and Thermogravimetric analysis (TGA). FTIR and XRD results proved that GO was successfully synthesized. XRD showed that a new broad peak at 12.9 ̊ emerged with the occurrence of graphite layer oxidation. PLA/PBS blends were prepared via melt blending technique. FTIR spectra revealed shifting of functional group peaks to lower wavenumber indicating chemical interaction occurred between PLA and PBS. Tensile strength and modulus decreased with increasing amount of PBS due to PBS elasticity. SEM micrographs of PLA/PBS blends showed immiscibility with more than 20 wt.% of PBS content. Thermal properties of PLA/PBS blend improved with the addition of PBS. From the mechanical and morphological studies, PLA with 20 wt.% PBS loading was chosen as optimum ratio and used for the preparation of PLA/PBS/GO composites. The PLA/PBS/GO composites were prepared via melt blending technique. The mechanical property of the composites improved with the addition of 0.1 wt.% of GO. Thermal analysis of the composites also revealed significant improvement in thermal stability compared to PLA/PBS blend and pristine PLA. SEM micrographs results revealed rougher surfaces when more GO loaded to the PLA/PBS blend. Furthermore, the PLA/PBS/GO composite with 0.1 wt.% GO loading was more water resistance than PLA/PBS blend because GO can act as barrier to the composite. Biodegradability test revealed that the PLA/PBS/GO has the lowest weight lost compared to PLA/PBS blend and neat PLA. Biodegradable plastics Polymeric composites 2017-05 Thesis http://psasir.upm.edu.my/id/eprint/71031/ http://psasir.upm.edu.my/id/eprint/71031/1/FS%202017%2089%20-%20IR.pdf text en public masters Universiti Putra Malaysia Biodegradable plastics Polymeric composites
institution	Universiti Putra Malaysia
collection	PSAS Institutional Repository
language	English
topic	Biodegradable plastics Polymeric composites
spellingShingle	Biodegradable plastics Polymeric composites Md Sukur, Nuraini Preparation and characterization of poly (lactic acid) / poly (butylene succinate) / graphene oxide composite
description	The present research study the effect of graphene oxide (GO) on the properties of poly(lactic acid)/poly(butylene succinate), (PLA/PBS). GO was synthesized from graphite through modified Hummers’ method. The synthesized GO was characterized using Fourier Transform Infrared Spectroscopy (FTIR), X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), and Thermogravimetric analysis (TGA). FTIR and XRD results proved that GO was successfully synthesized. XRD showed that a new broad peak at 12.9 ̊ emerged with the occurrence of graphite layer oxidation. PLA/PBS blends were prepared via melt blending technique. FTIR spectra revealed shifting of functional group peaks to lower wavenumber indicating chemical interaction occurred between PLA and PBS. Tensile strength and modulus decreased with increasing amount of PBS due to PBS elasticity. SEM micrographs of PLA/PBS blends showed immiscibility with more than 20 wt.% of PBS content. Thermal properties of PLA/PBS blend improved with the addition of PBS. From the mechanical and morphological studies, PLA with 20 wt.% PBS loading was chosen as optimum ratio and used for the preparation of PLA/PBS/GO composites. The PLA/PBS/GO composites were prepared via melt blending technique. The mechanical property of the composites improved with the addition of 0.1 wt.% of GO. Thermal analysis of the composites also revealed significant improvement in thermal stability compared to PLA/PBS blend and pristine PLA. SEM micrographs results revealed rougher surfaces when more GO loaded to the PLA/PBS blend. Furthermore, the PLA/PBS/GO composite with 0.1 wt.% GO loading was more water resistance than PLA/PBS blend because GO can act as barrier to the composite. Biodegradability test revealed that the PLA/PBS/GO has the lowest weight lost compared to PLA/PBS blend and neat PLA.
format	Thesis
qualification_level	Master's degree
author	Md Sukur, Nuraini
author_facet	Md Sukur, Nuraini
author_sort	Md Sukur, Nuraini
title	Preparation and characterization of poly (lactic acid) / poly (butylene succinate) / graphene oxide composite
title_short	Preparation and characterization of poly (lactic acid) / poly (butylene succinate) / graphene oxide composite
title_full	Preparation and characterization of poly (lactic acid) / poly (butylene succinate) / graphene oxide composite
title_fullStr	Preparation and characterization of poly (lactic acid) / poly (butylene succinate) / graphene oxide composite
title_full_unstemmed	Preparation and characterization of poly (lactic acid) / poly (butylene succinate) / graphene oxide composite
title_sort	preparation and characterization of poly (lactic acid) / poly (butylene succinate) / graphene oxide composite
granting_institution	Universiti Putra Malaysia
publishDate	2017
url	http://psasir.upm.edu.my/id/eprint/71031/1/FS%202017%2089%20-%20IR.pdf
_version_	1747812956967534592

Preparation and characterization of poly (lactic acid) / poly (butylene succinate) / graphene oxide composite

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