Cited by 115Polymer composites and self-healingAdvanced Materials and MechanicsHydrogels: synthesis, properties, applications

A tough shape memory polymer with triple shape memory and two-way shape memory properties

Bai, Yongkang, Zhang, Xinrui, Wang, Qihua, Wang, Tingmei·2014·Journal of Materials Chemistry A

Abstract

In this study, a tough shape memory polymer network based on polydopamine, poly(ε-caprolactone) and diisocyanate was synthesized in three steps. Fourier transform infrared spectroscopy was used to confirm the synthesis process. The tensile tests demonstrated the good mechanical properties of the materials with a tensile modulus and tensile strength reaching 362 and 43 MPa, respectively, at room temperature. The thermal properties of the polymer networks were investigated using differential scanning calorimetry and dynamic mechanical analysis. With two broad transition temperatures, the dual-shape memory properties were greatly affected by the deformation temperature, which was investigated in detail. Moreover, the polymers also showed good triple-shape memory and two-way shape memory effects.

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Crossref · 10.1039/c3ta15117d

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46 of 46 references verified0 citation errors · 0 not checkable

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  • The two-way SME under constant stress approach was extended to triple SMPs, where a reversible SME was shown over two transition temperatures, with reversible switching between three shapes under applied stress.

    “The approach was even extended to triple SMPs in [114-117], where a reversible SME was shown over two transition temperatures, with a reversible switching between three shapes under an applied stress.”

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Authors
Bai, Y., Zhang, X., Wang, Q., & Wang, T.
Affiliations
Chinese Academy of Sciences (CN)
Corresponding author
Wang, Qihua
Venue
Journal of Materials Chemistry A
Published
2014
Volume
2
Issue
13
Pages
4771
ISSN
  • 2050-7488 (ISSN-L)
  • 2050-7496
OpenAlex
W2071507927
Cited by
115
References
47
Citations by year
2026: 4 · 2025: 11 · 2024: 5 · 2023: 5 · 2022: 8 · 2021: 10 · 2020: 14 · 2019: 7 · 2018: 12 · 2017: 14 · 2016: 9 · 2015: 8 · 2014: 8
FWCI
9.08
Type
journal article
Language
en
Open access
closed
Locations
Journal of Materials Chemistry A (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
  • Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Hydrogels: synthesis, properties, applications
Keywords
shape memory polymers, polydopamine, polycaprolactone, diisocyanates, triple shape memory effect, two-way shape memory effect, mechanical properties, thermal properties, deformation temperature

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