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Issue 1, 2015
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Modeling the multiple shape memory effect and temperature memory effect in amorphous polymers

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Abstract

Amorphous polymers achieve a shape memory effect from the tremendous change of chain mobility in the glass transition. The span of the glass transition region has a direct influence on the shape recovery behavior. In this paper, we investigated the shape memory behavior of Nafion, which has an extremely broad glass transition region. We measured the influence of the shape memory programming temperature on the recovery response and multiple shape memory effect. We applied a finite deformation, nonlinear viscoelastic model with a discrete spectrum of relaxation times to describe the shape memory behavior of the material. The parameters of the relaxation spectrum were determined from the master curve of the relaxation modulus. The model was implemented for finite element analysis and applied to design a multiple switchable pattern transformation of a Nafion membrane.

Graphical abstract: Modeling the multiple shape memory effect and temperature memory effect in amorphous polymers

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Article information


Submitted
29 Sep 2014
Accepted
13 Nov 2014
First published
13 Nov 2014

RSC Adv., 2015,5, 416-423
Article type
Paper
Author version available

Modeling the multiple shape memory effect and temperature memory effect in amorphous polymers

R. Xiao, J. Guo and T. D. Nguyen, RSC Adv., 2015, 5, 416
DOI: 10.1039/C4RA11412D

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