Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 91, Issue -, Pages 292-300Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2016.10.021
Keywords
Smart materials; Graphene; Polymer-matrix composites; Electrical properties
Funding
- National Natural Science Foundation of China [51373096]
- Basic Research Field of Shanghai Science and Technology Innovation Program [16JC1401500]
- Shanghai Production-Study-Research Cooperative Projects [15521107600]
- Shanghai Sailing Plan Project [16YF1406100]
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Shape memory polymers (SMPs) have attracted the attention of both the industry and academia due to the fact that they can deform and fix into a temporary shape, and recover their permanent, original shape upon exposure to an external stimulus. In this work we propose a novel, shape memory threedimensional (3D) polyurethane-based (PU) graphene foam (PGF)/epoxy/carbon nanotubes (PGEC) composite. The composite uses epoxy resin (EP) as matrix, a low-density (about 0.030 g/cm3), highly porous, commercially available PU sponges as the scaffold, and graphene and carbon nanotubes (CNTs) as conductive network. The proposed PGEC composites demonstrate excellent conductivity and could be triggered within 150 s by applying an electric field of approximately 1.43 V mm(-1). The proposed SMP composite material is simple and fast to manufacture, operational, and low cost. (C) 2016 Elsevier Ltd. All rights reserved.
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