DataVXACS Applied Materials & InterfacesPaper
journal article·2021-05-19

Novel Near-Infrared Light-Induced Triple-Shape Memory Composite Based on Poly(ethylene-co-vinyl alcohol) and Iron Tannate

Yongkang Bai, Jiamei Liu, Junping Ju, Xin Chen

ACS Applied Materials & Interfaces· Volume 13· Issue 19
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Source abstract

Abstract

Remote controllability and multiple-shape memory performance are two important functions for shape memory polymers (SMPs) in engineering applications, which are still a challenge to achieve via a facile approach. Herein, we synthesized a shape memory composite with near-infrared (NIR) light-induced triple-shape memory performance by in situ formation of iron tannate (FeTA) nanoparticles in cross-linked poly(ethylene-co-vinyl alcohol) (EVOH). EVOH possessed two transition temperatures enabling the composites with triple-shape memory behavior, while FeTA nanoparticles served as the photothermal conversion factor for NIR light-induced responsiveness. Because the light-induced triple-shape memory performance of the composite is highly dependent on its photothermal conversion property, the control of FeTA doping would also be an effective solution to prepare light-induced multiple-SMPs with various shape transformations. Moreover, the composites exhibited high light-driving recovery stress, which could lift burdens 1600 times heavier than their own weight, indicating their great potential as a smart soft actuator for various applications.
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Research context

PolymersNanomaterialsComposites

OpenAlex topics: Polymer composites and self-healing · Advanced Materials and Mechanics · Photochromic and Fluorescence Chemistry

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Chemical Engineering and Technology, Shaanxi Key Laboratory of Energy Chemical Process Intensification, Institute of Polymer Science in Chemical Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, PR China

Instrument Analysis Center, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, PR China

State Key Laboratory of Bio-Fibers and Eco-Textiles, School of Materials Science and Engineering, Qingdao University, Qingdao 266000, PR China

Funding

National Natural Science Foundation of China · the One Hundred Talents Program of Shaanxi Province · "Young Talent Support Plan" of Xi'an Jiao Tong University · the Technology Foundation for Selected Overseas Chinese Scholar of Shaanxi Province · Innovation Capability Support Program of Shaanxi · Open Project Program of State Key Laboratory of Bio-Fibers and Eco-Textiles

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