Cited by 94Polymer composites and self-healingAdvanced Materials and MechanicsPolymer crystallization and properties

Reversible Shape Memory Polymer from Semicrystalline Poly(ethylene-co-vinyl acetate) with Dynamic Covalent Polymer Networks

Gao, Yuan, Liu, Weifeng, Zhu, Shiping·2018·Macromolecules

Abstract

This work reports the reversible shape memory polymer (RSMP) by semicrystalline poly(ethylene- co -vinyl acetate) (PEVA) with dynamic covalent polymer networks. The ester linkages in the cross-linked PEVA acted as dynamic covalent bonds in the presence of a transesterification catalyst. This dynamic covalent network imparted the material with good thermal plasticity in a non-flow state at high temperature. The resulting PEVA possessed both the reversible shape memory effect (RSME) and thermadapt property. The thermadapt performance gave little adverse effect on the RSME. This work provides an approach to improve the reprocessability/recyclability of thermoset RSMPs through simple modification of commercially available polymers.

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Registry

Crossref · 10.1021/acs.macromol.8b01724

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44 of 44 references verified0 citation errors · 0 not checkable

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  • Contributions to stress-free two-way SMPs show the possibility of achieving complex reversible shape changes such as elongation/contraction, bending/unbending, and coiling/uncoiling, and of tuning the actuation temperature.

    “Contributions to this class can be found, e.g., in [128-135], and show the possibility of achieving complex reversible shape changes (e.g., elongation/contraction, bending/unbending, coiling/uncoiling), and of tuning the actuation temperature.”

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Cited by

Authors
Gao, Y., Liu, W., & Zhu, S.
Affiliations
  • McMaster University (CA)
  • South China University of Technology (CN)
  • Chinese University of Hong Kong (HK)
Corresponding author
  • Liu, Weifeng
  • Zhu, Shiping
Venue
Macromolecules
Published
2018-10-31
Volume
51
Issue
21
Pages
8956-8963
ISSN
  • 0024-9297 (ISSN-L)
  • 1520-5835
OpenAlex
W2899265110
Cited by
94
References
44
Citations by year
2026: 7 · 2025: 7 · 2024: 8 · 2023: 10 · 2022: 19 · 2021: 20 · 2020: 16 · 2019: 7
FWCI
5.37
Type
journal article
Language
en
Open access
closed
Locations
Macromolecules (publishedVersion)
Funders
  • Canada Research Chairs
  • Natural Sciences and Engineering Research Council of Canada
Topics
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
  • Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
Keywords
ethylene-vinyl acetate copolymer, semicrystalline polymers, dynamic covalent bonds, ester linkage, transesterification, thermal plasticity, reprocessability

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