Mechanical properties of multiwalled-carbon-nanotubes reinforced poly(methyl methacrylate): Effect of UV-irradiation

Kun Tse Yang; Je Chuan Hsu; Fuqian Yang; Sanboh Lee

doi:10.1016/j.matchemphys.2021.124528

Mechanical properties of multiwalled-carbon-nanotubes reinforced poly(methyl methacrylate): Effect of UV-irradiation

Kun Tse Yang, Je Chuan Hsu, Fuqian Yang, Sanboh Lee

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

4 Scopus citations

Abstract

The reinforcement of carbon nanotubes (CNTs) to polymer plays a critical role in the potential applications of polymer-based composites in sensing, actuating and structural health monitoring technologies. In this work, we study the irradiation effects of ultraviolet (UV) light on the glass transition temperature and mechanical deformation of multiwall-carbon-nanotube reinforced poly(methyl methacrylate) (PMMA-MWCNT composites) as a function of the weight percentage of MWCNTs in a range of 0–0.7 wt%. Increasing the weight percentage of MWCNTs from 0.3 wt% to 0.7 wt% slightly increases the glass transition temperature of the PMMA-MWCNT composites. The glass transition temperature, elastic modulus and tensile strength of the UV-irradiated pure PMMA are less than the corresponding ones without the UV irradiation. The glass transition temperatures of the PMMA-MWCNT composites for the weight percentage of MWCNTs ranging from 0.3 wt% to 0.7 wt% are relatively independent of the UV-irradiation for the UV-dose used in this work. We propose a simple equation to calculate the effective modulus of the PMMA-MWCNT composites. Both the toughness and elongation of the PMMA-MWCNT composites without UV-irradiation are larger than the corresponding ones of the same composite with the UV irradiation.

Original language	English
Article number	124528
Journal	Materials Chemistry and Physics
Volume	266
DOIs	https://doi.org/10.1016/j.matchemphys.2021.124528
State	Published - Jul 1 2021

Bibliographical note

Publisher Copyright:
© 2021 Elsevier B.V.

Funding

SL is grateful for the financial support from the Ministry of Science and Technology, Taiwan . FY is grateful for the financial support from the National Science Foundation , USA through Grant No. CMMI-1634540 , monitored by Dr. Khershed Cooper. We also thank for Shu-Yang Tu and Man-Fang Chang to check some experimental data. We are indebted to the Taiwan Instrument Research Institute for providing instruments.

Funders	Funder number
National Science Foundation Arctic Social Science Program	CMMI-1634540
Ministry of Science and Technology, Taiwan

Keywords

Mechanical properties
Multiwalled carbon nanotubes
UV irradiation
poly(methyl methacrylate)

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics

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10.1016/j.matchemphys.2021.124528

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title = "Mechanical properties of multiwalled-carbon-nanotubes reinforced poly(methyl methacrylate): Effect of UV-irradiation",

abstract = "The reinforcement of carbon nanotubes (CNTs) to polymer plays a critical role in the potential applications of polymer-based composites in sensing, actuating and structural health monitoring technologies. In this work, we study the irradiation effects of ultraviolet (UV) light on the glass transition temperature and mechanical deformation of multiwall-carbon-nanotube reinforced poly(methyl methacrylate) (PMMA-MWCNT composites) as a function of the weight percentage of MWCNTs in a range of 0–0.7 wt\%. Increasing the weight percentage of MWCNTs from 0.3 wt\% to 0.7 wt\% slightly increases the glass transition temperature of the PMMA-MWCNT composites. The glass transition temperature, elastic modulus and tensile strength of the UV-irradiated pure PMMA are less than the corresponding ones without the UV irradiation. The glass transition temperatures of the PMMA-MWCNT composites for the weight percentage of MWCNTs ranging from 0.3 wt\% to 0.7 wt\% are relatively independent of the UV-irradiation for the UV-dose used in this work. We propose a simple equation to calculate the effective modulus of the PMMA-MWCNT composites. Both the toughness and elongation of the PMMA-MWCNT composites without UV-irradiation are larger than the corresponding ones of the same composite with the UV irradiation.",

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AU - Lee, Sanboh

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N2 - The reinforcement of carbon nanotubes (CNTs) to polymer plays a critical role in the potential applications of polymer-based composites in sensing, actuating and structural health monitoring technologies. In this work, we study the irradiation effects of ultraviolet (UV) light on the glass transition temperature and mechanical deformation of multiwall-carbon-nanotube reinforced poly(methyl methacrylate) (PMMA-MWCNT composites) as a function of the weight percentage of MWCNTs in a range of 0–0.7 wt%. Increasing the weight percentage of MWCNTs from 0.3 wt% to 0.7 wt% slightly increases the glass transition temperature of the PMMA-MWCNT composites. The glass transition temperature, elastic modulus and tensile strength of the UV-irradiated pure PMMA are less than the corresponding ones without the UV irradiation. The glass transition temperatures of the PMMA-MWCNT composites for the weight percentage of MWCNTs ranging from 0.3 wt% to 0.7 wt% are relatively independent of the UV-irradiation for the UV-dose used in this work. We propose a simple equation to calculate the effective modulus of the PMMA-MWCNT composites. Both the toughness and elongation of the PMMA-MWCNT composites without UV-irradiation are larger than the corresponding ones of the same composite with the UV irradiation.

AB - The reinforcement of carbon nanotubes (CNTs) to polymer plays a critical role in the potential applications of polymer-based composites in sensing, actuating and structural health monitoring technologies. In this work, we study the irradiation effects of ultraviolet (UV) light on the glass transition temperature and mechanical deformation of multiwall-carbon-nanotube reinforced poly(methyl methacrylate) (PMMA-MWCNT composites) as a function of the weight percentage of MWCNTs in a range of 0–0.7 wt%. Increasing the weight percentage of MWCNTs from 0.3 wt% to 0.7 wt% slightly increases the glass transition temperature of the PMMA-MWCNT composites. The glass transition temperature, elastic modulus and tensile strength of the UV-irradiated pure PMMA are less than the corresponding ones without the UV irradiation. The glass transition temperatures of the PMMA-MWCNT composites for the weight percentage of MWCNTs ranging from 0.3 wt% to 0.7 wt% are relatively independent of the UV-irradiation for the UV-dose used in this work. We propose a simple equation to calculate the effective modulus of the PMMA-MWCNT composites. Both the toughness and elongation of the PMMA-MWCNT composites without UV-irradiation are larger than the corresponding ones of the same composite with the UV irradiation.

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Mechanical properties of multiwalled-carbon-nanotubes reinforced poly(methyl methacrylate): Effect of UV-irradiation

Abstract

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Keywords

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