Thermo-mechanical properties of polystyrene-based shape memory nanocomposites

Xu, Ben, Fu, Yong Qing, Ahmad, Manzoor, Luo, Jikui, Huang, Wei Min, Kraft, Arno, Reuben, Robert, Pei, Yu Tao, Chen, Zhen Guo and de Hosson, Jeff (2010) Thermo-mechanical properties of polystyrene-based shape memory nanocomposites. Journal of Materials Chemistry, 20 (17). pp. 3442-3448. ISSN 0959-9428

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Official URL: http://dx.doi.org/10.1039/B923238A

Abstract

Shape memory nanocomposites were fabricated using chemically cross-linked polystyrene (PS) copolymer as a matrix and different nanofillers (including alumina, silica and clay) as the reinforcing agents. Their thermo-mechanical properties and shape memory effects were characterized. Experimental results revealed that the nanofillers provide significant reinforcement of the PS, and the nanocomposites exhibit better thermal and mechanical properties, including shape memory properties, than unreinforced PS. Both experimental and theoretical analyses have shown that the rod-shaped clay nanofillers offer better reinforcement than spherical nanoparticles, because of their high aspect ratio and ability to reinforce in multiple directions.

Item Type: Article
Subjects: F100 Chemistry
F200 Materials Science
H300 Mechanical Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Bin Xu
Date Deposited: 06 Jun 2013 08:29
Last Modified: 10 Aug 2015 11:23
URI: http://nrl.northumbria.ac.uk/id/eprint/12776

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