Multiresponsive Shape Memory Blends and Nanocomposites Based on Starch

被引：42

作者：

Sessini, Valentina ^{[1
,3
]}

Raquez, Jean-Marie ^{[2
]}

Lo Re, Giada ^{[2
]}

Mincheva, Rosica ^{[2
]}

Maria Kenny, Jose ^{[1
,3
]}

Dubois, Philippe ^{[2
]}

Peponi, Laura ^{[3
]}

机构：

[1] Univ Perugia, Dipartimento Ingn Civile & Ambientale, Str Pentima 4, I-05100 Terni, Italy

[2] Univ Mons UMONS, Lab Polymer & Composite Mat, Pl Parc 23, B-7000 Mons, Belgium

[3] CSIC, ICTP, Calle Juan Cierva 3, Madrid 28006, Spain

来源：

ACS APPLIED MATERIALS & INTERFACES | 2016年 / 8卷 / 30期

关键词：

thermoplastic starch; shape memory; humidity; nanocomposite; thermomechanical cycles; POLYURETHANE; NETWORKS;

D O I：

10.1021/acsami.6b06618

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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.

引用

页码：19197 / 19201

页数：5

共 32 条

[1] Photomechanical actuation in polymer-nanotube composites [J].