Dynamic mechanical analysis of single walled carbon nanotubes/polymethyl methacrylate nanocomposite films

doi:10.1088/1674-1056/24/10/105101

中国物理B ›› 2015, Vol. 24 ›› Issue (10): 105101-105101.doi: 10.1088/1674-1056/24/10/105101

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇下一篇

Dynamic mechanical analysis of single walled carbon nanotubes/polymethyl methacrylate nanocomposite films

Ali Badawi^a, N. Al-Hosiny^{a b}

a Department of Physics, Faculty of Science, Taif University, Taif m21974, Saudi Arabia;
b Department of Physics, Faculty of Science, Aljouf University, Sakkaka 42421, Saudi Arabia

收稿日期:2015-04-14 修回日期:2015-05-24 出版日期:2015-10-05 发布日期:2015-10-05
基金资助:
Project supported by Taif University (Grant No. 1/435/3524).

Dynamic mechanical analysis of single walled carbon nanotubes/polymethyl methacrylate nanocomposite films

Ali Badawi^a, N. Al-Hosiny^{a b}

a Department of Physics, Faculty of Science, Taif University, Taif m21974, Saudi Arabia;
b Department of Physics, Faculty of Science, Aljouf University, Sakkaka 42421, Saudi Arabia

Received:2015-04-14 Revised:2015-05-24 Online:2015-10-05 Published:2015-10-05
Contact: Ali Badawi E-mail:adaraghmeh@yahoo.com
Supported by:
Project supported by Taif University (Grant No. 1/435/3524).

摘要/Abstract

摘要： Dynamic mechanical properties of nanocomposite films with different ratios of single walled carbon nanotubes/polymethyl methacrylate (SWCNTs/PMMA) are studied. Nanocomposite films of different ratios (0, 0.5, 1.0, and 2.0 weight percent (wt%)) of SWCNTs/PMMA are fabricated by using a casting technique. The morphological and structural properties of both SWCNT powder and SWCNTs/PMMA nanocomposite films are investigated by using a high resolution transmission electron microscope and x-ray diffractometer respectively. The mechanical properties including the storage modulus, loss modulus, loss factor (tanδ) and stiffness of the nanocomposite film as a function of temperature are recorded by using a dynamic mechanical analyzer at a frequency of 1 Hz. Compared with pure PMMA film, the nanocomposite films with different ratios of SWCNTs/PMMA are observed to have enhanced storage moduli, loss moduli and high stiffness, each of which is a function of temperature. The intensity of the tanδ peak for pure PMMA film is larger than those of the nanocomposite films. The glass transition temperature (T_g) of SWCNTs/PMMA nanocomposite film shifts towards the higher temperature side with respect to pure PMMA film from 91.2 ℃ to 99.5 ℃ as the ratio of SWCNTs/PMMA increases from 0 to 2.0 wt%.

关键词: SWCNTs/PMMA nanocomposite, mechanical properties, stiffness, glass transition temperature

Abstract: Dynamic mechanical properties of nanocomposite films with different ratios of single walled carbon nanotubes/polymethyl methacrylate (SWCNTs/PMMA) are studied. Nanocomposite films of different ratios (0, 0.5, 1.0, and 2.0 weight percent (wt%)) of SWCNTs/PMMA are fabricated by using a casting technique. The morphological and structural properties of both SWCNT powder and SWCNTs/PMMA nanocomposite films are investigated by using a high resolution transmission electron microscope and x-ray diffractometer respectively. The mechanical properties including the storage modulus, loss modulus, loss factor (tanδ) and stiffness of the nanocomposite film as a function of temperature are recorded by using a dynamic mechanical analyzer at a frequency of 1 Hz. Compared with pure PMMA film, the nanocomposite films with different ratios of SWCNTs/PMMA are observed to have enhanced storage moduli, loss moduli and high stiffness, each of which is a function of temperature. The intensity of the tanδ peak for pure PMMA film is larger than those of the nanocomposite films. The glass transition temperature (T_g) of SWCNTs/PMMA nanocomposite film shifts towards the higher temperature side with respect to pure PMMA film from 91.2 ℃ to 99.5 ℃ as the ratio of SWCNTs/PMMA increases from 0 to 2.0 wt%.

Key words: SWCNTs/PMMA nanocomposite, mechanical properties, stiffness, glass transition temperature

中图分类号: (Mechanical properties; compressibility)

51.35.+a

61.46.-w (Structure of nanoscale materials) 62.20.-x (Mechanical properties of solids) 62.25.-g (Mechanical properties of nanoscale systems)

Ali Badawi, N. Al-Hosiny. Dynamic mechanical analysis of single walled carbon nanotubes/polymethyl methacrylate nanocomposite films[J]. 中国物理B, 2015, 24(10): 105101-105101.

Ali Badawi, N. Al-Hosiny. Dynamic mechanical analysis of single walled carbon nanotubes/polymethyl methacrylate nanocomposite films[J]. Chin. Phys. B, 2015, 24(10): 105101-105101.

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Dynamic mechanical analysis of single walled carbon nanotubes/polymethyl methacrylate nanocomposite films

Dynamic mechanical analysis of single walled carbon nanotubes/polymethyl methacrylate nanocomposite films

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