Multiresponsive Shape Memory Blends and Nanocomposites Based on Starch
Authors
Sessini, Valentina; Raquez, Jean-Marie; Lo Re, Giada; Mincheva, Rosica; Kenny, José María; [et al.]Identifiers
Permanent link (URI): http://hdl.handle.net/10017/43787DOI: 10.1021/acsami.6b06618
ISSN: 1944-8244
Date
2016-07-19Bibliographic citation
ACS Applied Materials & Interfaces, 2016, v. 8, n. 30, p. 19197-19201
Keywords
thermoplastic starch
shape memory
humidity
nanocomposite
thermomechanical cycles
Document type
info:eu-repo/semantics/article
Version
info:eu-repo/semantics/publishedVersion
Rights
Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
© ACS
Access rights
info:eu-repo/semantics/openAccess
Abstract
Smart multiresponsive bionanocomposites with both humidity- and thermally activated shape-memory effects, based on blends of ethylene-vinyl acetate (EVA) and thermoplastic starch (TPS) are designed. Thermo- and humidity-mechanical cyclic experiments are performed in order to demonstrate the humidity- as well as thermally activated shape memory properties of the starch-based materials. In particular, the induced-crystallization is used in order to thermally activate the EVA shape memory response. The shape memory results of both blends and their nanocomposites reflect the excellent ability to both humidity- and thermally activated recover of the initial shape with values higher than 80 and 90%, respectively.
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