Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/35799
Title: Electroactive shape memory polymer based on optimized multi-walled carbon nanotubes/polyvinyl alcohol nanocomposites
Authors: Du, FP
Ye, EZ
Yang, W
Shen, TH
Tang, CY 
Xie, XL
Zhou, XP
Law, WC 
Keywords: Polymer-matrix composites (PMCs)
Physical properties
Casting
Issue Date: 2015
Publisher: Pergamon Press
Source: Composites. Part B, Engineering, 2015, v. 68, p. 170-175 How to cite?
Journal: Composites. Part B, Engineering 
Abstract: The development of shape memory polymers (SMPs) has gained remarkable attention due to their wide range of applications, from biomedical to electromechanical. In this work, we have developed and optimized an electroactive SMP based on polyvinyl alcohol/multi-walled carbon nanotubes (PVA/MVVNTs) composites. When a constant voltage of 60 V was applied to the optimized sample, the polymer shape could be recovered to the original form within 35 s. Different weight fractions of MWNT/PVA composites were prepared by using a simple solution blending and transitional solution casting method, and their microstructures, electrical conductivities, thermal conductivities, and electroactive shape memory properties were investigated. According to our systematic analysis, the enhanced performance can be attributed to the reinforcement of MWNTs that led to the improved electrical and thermal conductivities of the PVA matrix.
URI: http://hdl.handle.net/10397/35799
ISSN: 1359-8368
EISSN: 1879-1069
DOI: 10.1016/j.compositesb.2014.08.043
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