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Language: English

Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received October 5, 2015
Accepted January 30, 2016

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Effects of additives on the mechanical and thermal properties of epoxy-based nanocomposites produced using sonication

YoonKook Park^† Chun-Hyung Cho¹

Department of Biological and Chemical Engineering, Hongik University, 2639 Sejong Road, Sejong 30016, Korea ¹Department of Electronic and Electrical Engineering, Hongik University, 2639 Sejong Road, Sejong 30016, Korea

Korean Journal of Chemical Engineering, June 2016, 33(6), 1938-1941(4), 10.1007/s11814-016-0034-5

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Abstract

Epoxy nanocomposites were synthesized in the presence of hydroxyapatite with the aid of an ultrasonicator. In general, as the amount of hydroxyapatite increased from 0wt% to 10wt%, the mechanical properties of the hydroxyapatite-containing nanocomposite were enhanced. The mechanical properties of the nanocomposite were significantly enhanced by the simple addition of 10 wt% of hydroxyapatite. Specifically, the storage modulus of the 10 wt% hydroxyapatite-containing nanocompsote was 3.2GPa, which is 46% higher compared to that of the pristine epoxy nanocomposite. The glass transition temperature of hydroxyapatite-containing nanocomposites generally decreased by few degrees in Celsius. To investigate the effect of additives on the mechanical properties of the epoxy-based nanocomposite, nanocomposites were synthesized using both montmorillonite and tellurium dioxide instead of hydroxyapatite. Intrestingly, both additive-based nanocomposite materials resulted in an increase in the storage modulus while the glass transition temperature decreased. These results demonstrate that the addition of few wt% of all three additives (hydroxyapatite, montmorillonite, and tellurium dioxide) can enhance the mechanical properties of epoxy-based nanocomposites.

Keywords

Epoxy Hydroxyapatite Montmorillonite Tellurium Dioxide Nanocomposite

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