Cited by 81Polymer composites and self-healingAdvanced Materials and MechanicsHydrogels: synthesis, properties, applications

Synthesis and properties of magnetic sensitive shape memory Fe3O4/poly(ε‐caprolactone)‐polyurethane nanocomposites

Cai, Yan, Jiang, Ji‐Sen, Zheng, Bing, Xie, Mei‐Ran·2013·Journal of Applied Polymer Science

Abstract

Abstract Fe3O4/poly (ε‐caprolactone)‐polyurethane (PCLU) shape memory nanocomposites were prepared by an in situ polymerization method. The thermal properties, magnetic properties, and shape memory properties of the nanocomposites were investigated systematically. The results showed that the Fe3O4 nanoparticles were homogeneously dispersed in the PCLU matrix, which ensured good shape memory properties of nanocomposites in both hot water and an alternating magnetic field (f = 45 kHz, H = 29.7 kA m−1/36.7 kA m−1). The nanocomposites started to recover near 40°C, which is slightly higher than body temperature. Thus, they would not change their deformed shape during the implanting process into the human body. Considering potential clinical applications, 45°C was chosen as shape recovery temperature which is slightly higher than 37°C, and the nanocomposites had high shape recovery rate at this temperature. With increasing content of Fe3O4 nanoparticles, the shape memory properties of the nanocomposites in an alternating magnetic field increased and the best recovery rate reached 97%, which proves that this kind of nanocomposites might be used as potential magnetic sensitive shape memory materials for biomedical applications. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2013

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Crossref · 10.1002/app.36849

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  • The Fe3O4 loaded materials (10 or 30 wt%) recovered their initial shape in temperature range close to the human body (hot water response) and when placed in alternating magnetic field (f 45 kHz and H up to 35.7 kA/m), which made them suitable for sensitive biomedical devices.

    “The Fe3O4 loaded materials (10 or 30 wt%) recovered their initial shape in temperature range close to the human body (hot water response) and when placed in alternating magnetic field (f of 45 kHz and H up to 35.7 kA/m), which made them suitable for sensitive biomedical devices.”
  • Biocompatible multi-stimuli responsive SMCs were obtained using poly(e-caprolactone)-PU as a polymer matrix.

    “Biocompatible multi-stimuli responsive SMCs were also obtained using poly ( e -caprolactone)-PU as a polymer matrix [167].”

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Authors
Cai, Y., Jiang, J., Zheng, B., & Xie, M.
Affiliations
East China Normal University (CN)
Corresponding author
Jiang, Ji‐Sen
Venue
Journal of Applied Polymer Science
Publisher
Wiley
Published
2012-04-16
Volume
127
Issue
1
Pages
49-56
ISSN
  • 0021-8995 (ISSN-L)
  • 1097-4628
OpenAlex
W2128784448
Cited by
81
References
35
Citations by year
2026: 1 · 2025: 4 · 2024: 6 · 2023: 5 · 2022: 5 · 2021: 6 · 2020: 8 · 2019: 6 · 2018: 6 · 2017: 6 · 2016: 8 · 2015: 4 · 2014: 6 · 2013: 10
FWCI
5.03
Type
journal article
Language
en
Open access
closed
Locations
Journal of Applied Polymer Science (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
Fe3O4 nanoparticles, shape memory polymers, magnetic shape memory, magnetic nanocomposites, alternating magnetic field, in situ polymerization, shape recovery, biomedical applications, magnetic properties, thermal properties

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