Optimisation And Characterisation Of Functionalised Graphene Nanoplatelets Filled NR/EPDM Nanocomposites

Nowadays, polymer nanocomposites have attracted great interest due to their outstanding improvements in material properties as compared to neat polymers or conventional composites. This research is to prepare and characterise the Natural Rubber (NR) / Ethylene Propylene Diene Monomer (EPDM) filled...

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Main Author:	Mahamood, Mazlin Aida
Format:	Thesis
Language:	English English
Published:	2016
Subjects:	T Technology (General)
Online Access:	http://eprints.utem.edu.my/id/eprint/18548/1/Optimisation%20And%20Characterisation%20Of%20Functionalised%20Graphene%20Nanoplatelets%20Filled%20NREPDM%20Nanocomposites%2024%20Pages.pdf http://eprints.utem.edu.my/id/eprint/18548/2/Optimisation%20And%20Characterisation%20Of%20Functionalised%20Graphene%20Nanoplatelets%20Filled%20NR%20EPDM%20Nanocomposites.pdf
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id	my-utem-ep.18548
record_format	uketd_dc
institution	Universiti Teknikal Malaysia Melaka
collection	UTeM Repository
language	English English
advisor	Mohamad, Noraiham
topic	T Technology (General) T Technology (General)
spellingShingle	T Technology (General) T Technology (General) Mahamood, Mazlin Aida Optimisation And Characterisation Of Functionalised Graphene Nanoplatelets Filled NR/EPDM Nanocomposites
description	Nowadays, polymer nanocomposites have attracted great interest due to their outstanding improvements in material properties as compared to neat polymers or conventional composites. This research is to prepare and characterise the Natural Rubber (NR) / Ethylene Propylene Diene Monomer (EPDM) filled Graphene Nanoplatelets (GNPs) nanocomposites for mechanical and thermal performance compared than unfilled NR/EPDM blend. The stage 1 of the research is to improve the miscibility between NR and EPDM rubber phases by using MAH grafted EPM compatibiliser. NR/EPDM blends were compounded using a Haake internal mixer and vulcanised by a semi-EV curing system in accordance to ASTM D3192. The response surface methodology (RSM) by Design Expert 6.0.10 software was used to optimize an internal mixer processing parameters and amount of MAH grafted EPM compatibiliser towards the maximum tensile strength (TS). The optimum mixing parameters was mixing temperature of 110°C, rotor speed of 40 rpm, mixing period of 5 mins and 5 phr amount of MAH grafted EPM compatibiliser with the highest repeatability and R2 value of ~99.00%. The stage 2 of the research was focusing on the graphene nanoplatelets surface treatment by the non-covalent methods using polyethyleneimines (PEI) in an ethanol: distilled water medium (75:25). The physical adsorption of PEI on GNPs by non-covalent treatment was proposed as a possible interaction mechanism. During the stage 3 of this research, the effects of GNPs surface treatment and loading (0.25-5.00 wt. %) to the processability, mechanical, physical, thermal and morphological properties of the nanocomposites were studied. The surface treatment of GNPs enhanced the filler-matrices interaction in the NR/EPDM blend nanocomposites. The nanocomposites with 3.00 wt. % PEI-treated GNPs possessed outstanding mechanical properties compared to the unfilled blends and filled samples without treatment (tensile strength of 27.78 MPa, 19.65 MPa and 23.34 MPa; resepectively). The results were supported with thermal and dynamic analyses. At the last stage of the study, the superior thermal conductivity of 0.6220 Wm-1K-1 from the thermal conductivity analysis (TCA), showed that the NR/EPDM blends filled with 3.00 wt. % PEI-treated GNPs exhibited an enhancement in the heat dissipation and thermalmechanical properties in comparison to the unfilled NR/EPDM blend. In overall, NR/EPDM filled GNPs nanocomposite that was prepared through the combination of an optimized melt-blending processing parameters and amount of MAH compatibiliser with addition of PEI-treated GNPs is able to provide a maximum effects of improved mechanical and thermal properties which is beneficial for the suggested application of rubber component in an automotive engine mount.
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Mahamood, Mazlin Aida
author_facet	Mahamood, Mazlin Aida
author_sort	Mahamood, Mazlin Aida
title	Optimisation And Characterisation Of Functionalised Graphene Nanoplatelets Filled NR/EPDM Nanocomposites
title_short	Optimisation And Characterisation Of Functionalised Graphene Nanoplatelets Filled NR/EPDM Nanocomposites
title_full	Optimisation And Characterisation Of Functionalised Graphene Nanoplatelets Filled NR/EPDM Nanocomposites
title_fullStr	Optimisation And Characterisation Of Functionalised Graphene Nanoplatelets Filled NR/EPDM Nanocomposites
title_full_unstemmed	Optimisation And Characterisation Of Functionalised Graphene Nanoplatelets Filled NR/EPDM Nanocomposites
title_sort	optimisation and characterisation of functionalised graphene nanoplatelets filled nr/epdm nanocomposites
granting_institution	Universiti Teknikal Malaysia Melaka
granting_department	Faculty of Manufacturing Engineering
publishDate	2016
url	http://eprints.utem.edu.my/id/eprint/18548/1/Optimisation%20And%20Characterisation%20Of%20Functionalised%20Graphene%20Nanoplatelets%20Filled%20NREPDM%20Nanocomposites%2024%20Pages.pdf http://eprints.utem.edu.my/id/eprint/18548/2/Optimisation%20And%20Characterisation%20Of%20Functionalised%20Graphene%20Nanoplatelets%20Filled%20NR%20EPDM%20Nanocomposites.pdf
_version_	1747833934280916992
spelling	my-utem-ep.185482021-10-10T16:27:53Z Optimisation And Characterisation Of Functionalised Graphene Nanoplatelets Filled NR/EPDM Nanocomposites 2016 Mahamood, Mazlin Aida T Technology (General) TA Engineering (General). Civil engineering (General) Nowadays, polymer nanocomposites have attracted great interest due to their outstanding improvements in material properties as compared to neat polymers or conventional composites. This research is to prepare and characterise the Natural Rubber (NR) / Ethylene Propylene Diene Monomer (EPDM) filled Graphene Nanoplatelets (GNPs) nanocomposites for mechanical and thermal performance compared than unfilled NR/EPDM blend. The stage 1 of the research is to improve the miscibility between NR and EPDM rubber phases by using MAH grafted EPM compatibiliser. NR/EPDM blends were compounded using a Haake internal mixer and vulcanised by a semi-EV curing system in accordance to ASTM D3192. The response surface methodology (RSM) by Design Expert 6.0.10 software was used to optimize an internal mixer processing parameters and amount of MAH grafted EPM compatibiliser towards the maximum tensile strength (TS). The optimum mixing parameters was mixing temperature of 110°C, rotor speed of 40 rpm, mixing period of 5 mins and 5 phr amount of MAH grafted EPM compatibiliser with the highest repeatability and R2 value of ~99.00%. The stage 2 of the research was focusing on the graphene nanoplatelets surface treatment by the non-covalent methods using polyethyleneimines (PEI) in an ethanol: distilled water medium (75:25). The physical adsorption of PEI on GNPs by non-covalent treatment was proposed as a possible interaction mechanism. During the stage 3 of this research, the effects of GNPs surface treatment and loading (0.25-5.00 wt. %) to the processability, mechanical, physical, thermal and morphological properties of the nanocomposites were studied. The surface treatment of GNPs enhanced the filler-matrices interaction in the NR/EPDM blend nanocomposites. The nanocomposites with 3.00 wt. % PEI-treated GNPs possessed outstanding mechanical properties compared to the unfilled blends and filled samples without treatment (tensile strength of 27.78 MPa, 19.65 MPa and 23.34 MPa; resepectively). The results were supported with thermal and dynamic analyses. At the last stage of the study, the superior thermal conductivity of 0.6220 Wm-1K-1 from the thermal conductivity analysis (TCA), showed that the NR/EPDM blends filled with 3.00 wt. % PEI-treated GNPs exhibited an enhancement in the heat dissipation and thermalmechanical properties in comparison to the unfilled NR/EPDM blend. In overall, NR/EPDM filled GNPs nanocomposite that was prepared through the combination of an optimized melt-blending processing parameters and amount of MAH compatibiliser with addition of PEI-treated GNPs is able to provide a maximum effects of improved mechanical and thermal properties which is beneficial for the suggested application of rubber component in an automotive engine mount. UTeM 2016 Thesis http://eprints.utem.edu.my/id/eprint/18548/ http://eprints.utem.edu.my/id/eprint/18548/1/Optimisation%20And%20Characterisation%20Of%20Functionalised%20Graphene%20Nanoplatelets%20Filled%20NREPDM%20Nanocomposites%2024%20Pages.pdf text en public http://eprints.utem.edu.my/id/eprint/18548/2/Optimisation%20And%20Characterisation%20Of%20Functionalised%20Graphene%20Nanoplatelets%20Filled%20NR%20EPDM%20Nanocomposites.pdf text en validuser https://plh.utem.edu.my/cgi-bin/koha/opac-detail.pl?biblionumber=100978 mphil masters Universiti Teknikal Malaysia Melaka Faculty of Manufacturing Engineering Mohamad, Noraiham 1. Abu-Hamdeh, N.H. and Reeder, R.C., 2000. Soil Thermal Conductivity: Effects of Density, Moisture, Salt Concentration, and Organic Matter. Soil Science Society of America Journal, 64, pp. 1285-1290. 2. Ahmed, K., Sirajuddin Nizami, S., Zahid Raza, N. and Shirin, K., 2012. 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