Fabrication and characterization of PU/G composite : study on thermal and conductivity properties / Muhammad Iskandar Zulkarnain Mohd Rafee

This study explores the potential of graphene for improvement of properties of thermoplastic polyurethane (PU) composites in sight of thermal property, electrical conductivity, hardness, gel content and bonding spectra (FTIR). Polyurethane/graphene(PU/G) composite were produced by having exfoliation...

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Main Author:	Mohd Rafee, Muhammad Iskandar Zulkarnain
Format:	Thesis
Language:	English
Published:	2020
Subjects:	Carbon disulfide Graphene Carbon Thermochemistry
Online Access:	https://ir.uitm.edu.my/id/eprint/34518/1/34518.pdf
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id	my-uitm-ir.34518
record_format	uketd_dc
spelling	my-uitm-ir.345182020-09-21T06:16:57Z Fabrication and characterization of PU/G composite : study on thermal and conductivity properties / Muhammad Iskandar Zulkarnain Mohd Rafee 2020-09-17 Mohd Rafee, Muhammad Iskandar Zulkarnain Carbon disulfide. Graphene. Carbon Thermochemistry This study explores the potential of graphene for improvement of properties of thermoplastic polyurethane (PU) composites in sight of thermal property, electrical conductivity, hardness, gel content and bonding spectra (FTIR). Polyurethane/graphene(PU/G) composite were produced by having exfoliation of graphene with DMF and subsequently blend with PEG and IPDI by in-situ addition polymerization with varying concentrations (0–0.18 wt%) of graphene, which resulted in uniform dispersion and partial exfoliation of graphene-sheets in PU matrix. The PU/G synthetization has been confirmed by IR spectra analysis by showing the obvious urethane linkages and hydrogen bonding. The PU’s Tg property has increase about 55% with the addition of graphene films improved gradually with increasing graphene concentration. An improvement in hardness has been recorded as 7B pencil hardness imitated the hardness of the PU/G2. The gel content of PU was less effected by the addition of graphene by having a prove showed all of the results gel content within 80%-90%. Next, the electric conductivity increased up to 76% with addition of 0.088% of graphene into PU. Due to the ability of graphene to conduct electricity and covalent bond between PU and graphene, the composite had improve its conductivity. 2020-09 Thesis https://ir.uitm.edu.my/id/eprint/34518/ https://ir.uitm.edu.my/id/eprint/34518/1/34518.pdf text en public degree Universiti Teknologi Mara Perlis Faculty of Applied Sciences
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
topic	Carbon disulfide Graphene Carbon Thermochemistry
spellingShingle	Carbon disulfide Graphene Carbon Thermochemistry Mohd Rafee, Muhammad Iskandar Zulkarnain Fabrication and characterization of PU/G composite : study on thermal and conductivity properties / Muhammad Iskandar Zulkarnain Mohd Rafee
description	This study explores the potential of graphene for improvement of properties of thermoplastic polyurethane (PU) composites in sight of thermal property, electrical conductivity, hardness, gel content and bonding spectra (FTIR). Polyurethane/graphene(PU/G) composite were produced by having exfoliation of graphene with DMF and subsequently blend with PEG and IPDI by in-situ addition polymerization with varying concentrations (0–0.18 wt%) of graphene, which resulted in uniform dispersion and partial exfoliation of graphene-sheets in PU matrix. The PU/G synthetization has been confirmed by IR spectra analysis by showing the obvious urethane linkages and hydrogen bonding. The PU’s Tg property has increase about 55% with the addition of graphene films improved gradually with increasing graphene concentration. An improvement in hardness has been recorded as 7B pencil hardness imitated the hardness of the PU/G2. The gel content of PU was less effected by the addition of graphene by having a prove showed all of the results gel content within 80%-90%. Next, the electric conductivity increased up to 76% with addition of 0.088% of graphene into PU. Due to the ability of graphene to conduct electricity and covalent bond between PU and graphene, the composite had improve its conductivity.
format	Thesis
qualification_level	Bachelor degree
author	Mohd Rafee, Muhammad Iskandar Zulkarnain
author_facet	Mohd Rafee, Muhammad Iskandar Zulkarnain
author_sort	Mohd Rafee, Muhammad Iskandar Zulkarnain
title	Fabrication and characterization of PU/G composite : study on thermal and conductivity properties / Muhammad Iskandar Zulkarnain Mohd Rafee
title_short	Fabrication and characterization of PU/G composite : study on thermal and conductivity properties / Muhammad Iskandar Zulkarnain Mohd Rafee
title_full	Fabrication and characterization of PU/G composite : study on thermal and conductivity properties / Muhammad Iskandar Zulkarnain Mohd Rafee
title_fullStr	Fabrication and characterization of PU/G composite : study on thermal and conductivity properties / Muhammad Iskandar Zulkarnain Mohd Rafee
title_full_unstemmed	Fabrication and characterization of PU/G composite : study on thermal and conductivity properties / Muhammad Iskandar Zulkarnain Mohd Rafee
title_sort	fabrication and characterization of pu/g composite : study on thermal and conductivity properties / muhammad iskandar zulkarnain mohd rafee
granting_institution	Universiti Teknologi Mara Perlis
granting_department	Faculty of Applied Sciences
publishDate	2020
url	https://ir.uitm.edu.my/id/eprint/34518/1/34518.pdf
_version_	1783734269363879936

Fabrication and characterization of PU/G composite : study on thermal and conductivity properties / Muhammad Iskandar Zulkarnain Mohd Rafee

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