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Mechanical behaviours and thermal stabilities of irradiated epoxidized natural rubber/polyvinyl chloride/carbon nanotubes nanocomposites

The effects of carbon nanotubes addition (nanotube contents and functionalized MWNTs) and also irradiation modification on the mechanical behaviours and thermal stabilities of epoxidized natural rubber (ENR-50)/poly (vinyl chloride) (PVC)/multi-walled carbon nanotubes (MWNTs) nanocomposites were inv...

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Main Authors:	Ahmad, Mohd. Shahrulnizam, Mohamad, Zurina, Ratnam, Chantara Thevy, Othman, Norhayani, Rasit Ali, Roshafima
Format:	Article
Language:	English
Published:	AIDIC - The Italian Association of Chemical Engineering 2022
Subjects:	Q Science (General) TA Engineering (General). Civil engineering (General)
Online Access:	http://eprints.utm.my/108772/1/ZurinaMohamad2022_MechanicalBehavioursandThermalStabilities.pdf http://eprints.utm.my/108772/ http://dx.doi.org/10.3303/CET2297065
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spelling	my.utm.1087722024-12-09T06:06:02Z http://eprints.utm.my/108772/ Mechanical behaviours and thermal stabilities of irradiated epoxidized natural rubber/polyvinyl chloride/carbon nanotubes nanocomposites Ahmad, Mohd. Shahrulnizam Mohamad, Zurina Ratnam, Chantara Thevy Othman, Norhayani Rasit Ali, Roshafima Q Science (General) TA Engineering (General). Civil engineering (General) The effects of carbon nanotubes addition (nanotube contents and functionalized MWNTs) and also irradiation modification on the mechanical behaviours and thermal stabilities of epoxidized natural rubber (ENR-50)/poly (vinyl chloride) (PVC)/multi-walled carbon nanotubes (MWNTs) nanocomposites were investigated. ENR-50/PVC/MWNTs nanocomposites were prepared by melt mixing in a Brabender Plastigraph at 150 °C with a rotor speed of 50 rpm followed by compression molding at 160 °C. The samples were irradiated in a 2 MeV electron beam (EB) machine at a dose of 200 kGy. The dynamic mechanical properties and glass transition temperature properties of the resulting composites were investigated as a function of MWNTs contents, functionalized MWNTs, and irradiation dose. The storage modulus and glass transition temperature (Tg) increased by increasing nanotube content (0 to 8 phr) at 0 kGy and further increased after being irradiated with 200 kGy. Moreover, this is inversely proportional to loss modulus and can be seen that loss modulus decreased with the addition of nanotube content. In the aspect of functionalization effects, MWNTs-COOH recorded higher Tg at 0 kGy and MWNTs-OH at 200 kGy. However, results for storage modulus by the effect of functionalization totally dropped as compared with ENR-50/PVC and ENR-50/PVC/MWNTs blends. This showed that the storage modulus is not proportional to the increase of Tg and also the loss modulus. AIDIC - The Italian Association of Chemical Engineering 2022 Article PeerReviewed application/pdf en http://eprints.utm.my/108772/1/ZurinaMohamad2022_MechanicalBehavioursandThermalStabilities.pdf Ahmad, Mohd. Shahrulnizam and Mohamad, Zurina and Ratnam, Chantara Thevy and Othman, Norhayani and Rasit Ali, Roshafima (2022) Mechanical behaviours and thermal stabilities of irradiated epoxidized natural rubber/polyvinyl chloride/carbon nanotubes nanocomposites. Chemical Engineering Transactions (CET), 97 (NA). pp. 385-390. ISSN 2283-9216 http://dx.doi.org/10.3303/CET2297065 DOI:10.3303/CET2297065
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
language	English
topic	Q Science (General) TA Engineering (General). Civil engineering (General)
spellingShingle	Q Science (General) TA Engineering (General). Civil engineering (General) Ahmad, Mohd. Shahrulnizam Mohamad, Zurina Ratnam, Chantara Thevy Othman, Norhayani Rasit Ali, Roshafima Mechanical behaviours and thermal stabilities of irradiated epoxidized natural rubber/polyvinyl chloride/carbon nanotubes nanocomposites
description	The effects of carbon nanotubes addition (nanotube contents and functionalized MWNTs) and also irradiation modification on the mechanical behaviours and thermal stabilities of epoxidized natural rubber (ENR-50)/poly (vinyl chloride) (PVC)/multi-walled carbon nanotubes (MWNTs) nanocomposites were investigated. ENR-50/PVC/MWNTs nanocomposites were prepared by melt mixing in a Brabender Plastigraph at 150 °C with a rotor speed of 50 rpm followed by compression molding at 160 °C. The samples were irradiated in a 2 MeV electron beam (EB) machine at a dose of 200 kGy. The dynamic mechanical properties and glass transition temperature properties of the resulting composites were investigated as a function of MWNTs contents, functionalized MWNTs, and irradiation dose. The storage modulus and glass transition temperature (Tg) increased by increasing nanotube content (0 to 8 phr) at 0 kGy and further increased after being irradiated with 200 kGy. Moreover, this is inversely proportional to loss modulus and can be seen that loss modulus decreased with the addition of nanotube content. In the aspect of functionalization effects, MWNTs-COOH recorded higher Tg at 0 kGy and MWNTs-OH at 200 kGy. However, results for storage modulus by the effect of functionalization totally dropped as compared with ENR-50/PVC and ENR-50/PVC/MWNTs blends. This showed that the storage modulus is not proportional to the increase of Tg and also the loss modulus.
format	Article
author	Ahmad, Mohd. Shahrulnizam Mohamad, Zurina Ratnam, Chantara Thevy Othman, Norhayani Rasit Ali, Roshafima
author_facet	Ahmad, Mohd. Shahrulnizam Mohamad, Zurina Ratnam, Chantara Thevy Othman, Norhayani Rasit Ali, Roshafima
author_sort	Ahmad, Mohd. Shahrulnizam
title	Mechanical behaviours and thermal stabilities of irradiated epoxidized natural rubber/polyvinyl chloride/carbon nanotubes nanocomposites
title_short	Mechanical behaviours and thermal stabilities of irradiated epoxidized natural rubber/polyvinyl chloride/carbon nanotubes nanocomposites
title_full	Mechanical behaviours and thermal stabilities of irradiated epoxidized natural rubber/polyvinyl chloride/carbon nanotubes nanocomposites
title_fullStr	Mechanical behaviours and thermal stabilities of irradiated epoxidized natural rubber/polyvinyl chloride/carbon nanotubes nanocomposites
title_full_unstemmed	Mechanical behaviours and thermal stabilities of irradiated epoxidized natural rubber/polyvinyl chloride/carbon nanotubes nanocomposites
title_sort	mechanical behaviours and thermal stabilities of irradiated epoxidized natural rubber/polyvinyl chloride/carbon nanotubes nanocomposites
publisher	AIDIC - The Italian Association of Chemical Engineering
publishDate	2022
url	http://eprints.utm.my/108772/1/ZurinaMohamad2022_MechanicalBehavioursandThermalStabilities.pdf http://eprints.utm.my/108772/ http://dx.doi.org/10.3303/CET2297065
_version_	1818834046724079616
score	13.223943

Mechanical behaviours and thermal stabilities of irradiated epoxidized natural rubber/polyvinyl chloride/carbon nanotubes nanocomposites

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