Effect of acid treated carbon nanotubes on mechanical, rheological and thermal properties of polystyrene nanocomposites

Issam Thaher Amr; Adnan M J Al-Amer; Thomas P. Selvin; Mamdouh Ahmed Al-Harthi; Salihu Adamu Girei; Rachid Sougrat; Muataz Ali Atieh

doi:10.1016/j.compositesb.2011.04.013

Effect of acid treated carbon nanotubes on mechanical, rheological and thermal properties of polystyrene nanocomposites

Issam Thaher Amr, Adnan M J Al-Amer, Thomas P. Selvin, Mamdouh Ahmed Al-Harthi, Salihu Adamu Girei, Rachid Sougrat, Muataz Ali Atieh

Imaging & Characterization Core Lab

Research output: Contribution to journal › Article › peer-review

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Abstract

In this work, multiwall carbon nanotubes (CNT) were functionalized by acid treatment and characterized using Fourier Transform Infrared Spectroscopy (FTIR) and thermogravimetric analysis (TGA). Polystyrene/CNT composites of both the untreated and acid treated carbon nanotubes were prepared by thermal bulk polymerization without any initiator at different loadings of CNT. The tensile tests showed that the addition of 0.5 wt.% of acid treated CNT results in 22% increase in Young's modulus. The DSC measurements showed a decrease in glass transition temperature (Tg) of PS in the composites. The rheological studies at 190 °C showed that the addition of untreated CNT increases the viscoelastic behavior of the PS matrix, while the acid treated CNT acts as plasticizer. Thermogravimetric analysis indicated that the incorporation of CNT into PS enhanced the thermal properties of the matrix polymer. © 2011 Elsevier Ltd. All rights reserved.

Original language	English (US)
Pages (from-to)	1554-1561
Number of pages	8
Journal	Composites Part B: Engineering
Volume	42
Issue number	6
DOIs	https://doi.org/10.1016/j.compositesb.2011.04.013
State	Published - Sep 2011

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: The authors would like to acknowledge the support provided by King Abdulaziz City for Science and Technology (KACST) through Science & Technology Unit at King Fahd University of petroleum & Minerals (KFUPM) for funding this work through project No: 08-NAN91-04 as part of the National Science, Technology and Innovation Plan (NSTIP).

ASJC Scopus subject areas

Mechanics of Materials
Ceramics and Composites
Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1016/j.compositesb.2011.04.013

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title = "Effect of acid treated carbon nanotubes on mechanical, rheological and thermal properties of polystyrene nanocomposites",

abstract = "In this work, multiwall carbon nanotubes (CNT) were functionalized by acid treatment and characterized using Fourier Transform Infrared Spectroscopy (FTIR) and thermogravimetric analysis (TGA). Polystyrene/CNT composites of both the untreated and acid treated carbon nanotubes were prepared by thermal bulk polymerization without any initiator at different loadings of CNT. The tensile tests showed that the addition of 0.5 wt.% of acid treated CNT results in 22% increase in Young's modulus. The DSC measurements showed a decrease in glass transition temperature (Tg) of PS in the composites. The rheological studies at 190 °C showed that the addition of untreated CNT increases the viscoelastic behavior of the PS matrix, while the acid treated CNT acts as plasticizer. Thermogravimetric analysis indicated that the incorporation of CNT into PS enhanced the thermal properties of the matrix polymer. {\textcopyright} 2011 Elsevier Ltd. All rights reserved.",

author = "Amr, {Issam Thaher} and Al-Amer, {Adnan M J} and Selvin, {Thomas P.} and Al-Harthi, {Mamdouh Ahmed} and Girei, {Salihu Adamu} and Rachid Sougrat and Atieh, {Muataz Ali}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: The authors would like to acknowledge the support provided by King Abdulaziz City for Science and Technology (KACST) through Science & Technology Unit at King Fahd University of petroleum & Minerals (KFUPM) for funding this work through project No: 08-NAN91-04 as part of the National Science, Technology and Innovation Plan (NSTIP).",

year = "2011",

month = sep,

doi = "10.1016/j.compositesb.2011.04.013",

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AU - Amr, Issam Thaher

AU - Al-Amer, Adnan M J

AU - Selvin, Thomas P.

AU - Al-Harthi, Mamdouh Ahmed

AU - Girei, Salihu Adamu

AU - Sougrat, Rachid

AU - Atieh, Muataz Ali

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: The authors would like to acknowledge the support provided by King Abdulaziz City for Science and Technology (KACST) through Science & Technology Unit at King Fahd University of petroleum & Minerals (KFUPM) for funding this work through project No: 08-NAN91-04 as part of the National Science, Technology and Innovation Plan (NSTIP).

PY - 2011/9

Y1 - 2011/9

N2 - In this work, multiwall carbon nanotubes (CNT) were functionalized by acid treatment and characterized using Fourier Transform Infrared Spectroscopy (FTIR) and thermogravimetric analysis (TGA). Polystyrene/CNT composites of both the untreated and acid treated carbon nanotubes were prepared by thermal bulk polymerization without any initiator at different loadings of CNT. The tensile tests showed that the addition of 0.5 wt.% of acid treated CNT results in 22% increase in Young's modulus. The DSC measurements showed a decrease in glass transition temperature (Tg) of PS in the composites. The rheological studies at 190 °C showed that the addition of untreated CNT increases the viscoelastic behavior of the PS matrix, while the acid treated CNT acts as plasticizer. Thermogravimetric analysis indicated that the incorporation of CNT into PS enhanced the thermal properties of the matrix polymer. © 2011 Elsevier Ltd. All rights reserved.

AB - In this work, multiwall carbon nanotubes (CNT) were functionalized by acid treatment and characterized using Fourier Transform Infrared Spectroscopy (FTIR) and thermogravimetric analysis (TGA). Polystyrene/CNT composites of both the untreated and acid treated carbon nanotubes were prepared by thermal bulk polymerization without any initiator at different loadings of CNT. The tensile tests showed that the addition of 0.5 wt.% of acid treated CNT results in 22% increase in Young's modulus. The DSC measurements showed a decrease in glass transition temperature (Tg) of PS in the composites. The rheological studies at 190 °C showed that the addition of untreated CNT increases the viscoelastic behavior of the PS matrix, while the acid treated CNT acts as plasticizer. Thermogravimetric analysis indicated that the incorporation of CNT into PS enhanced the thermal properties of the matrix polymer. © 2011 Elsevier Ltd. All rights reserved.

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Effect of acid treated carbon nanotubes on mechanical, rheological and thermal properties of polystyrene nanocomposites

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