Cited by 518Advanced Materials and MechanicsPolymer composites and self-healingDielectric materials and actuators

Electromagnetic activation of shape memory polymer networks containing magnetic nanoparticles

Schmidt, Annette M.·2006·Macromolecular Rapid Communications

Abstract

Abstract Summary: By incorporation of surface‐modified superparamagnetic nanoparticles into shape memory polymer matrices, remote actuation of complex shape transitions by electromagnetic fields is possible. The composite thermosets of oligo( ε ‐caprolactone)dimethacrylate/butyl acrylate contain between 2 and 12 wt.‐% magnetite nanoparticles serving as nanoantennas for magnetic heating. It is shown that the particles are dispersed homogenously within the matrix and that the basic thermal and mechanical properties of the polymer matrix are maintained. The specific loss power of the particles is determined to be 30 W · g −1 at 300 kHz and 5.0 W. During the shape transition at 43 °C, no further temperature increase is observed. magnified image

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Registry

Crossref · 10.1002/marc.200600225

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40 of 40 references verified0 citation errors · 0 not checkable

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  • Schmidt et al. incorporated oligo(e-caprolactone)-grafted Fe3O4 superparamagnetic NPs into thermosets of oligo(e-caprolactone)dimethacrylate/butyl acrylate.

    “For instance, Schmidt et al. incorporated oligo( e -caprolactone)-grafted Fe3O4 superparamagnetic NPs into thermosets of oligo( e -caprolactone)dimethacrylate/butyl acrylate [165].”
  • Homogenous dispersion and enhanced compatibility of the nanofiller within the polymer matrix could be achieved by grafting oligomers on the NPs surface.

    “Homogenous dispersion and enhanced compatibility of the nanofiller within the polymer matrix could be also achieved by grafting oligomers on the NPs surface.”
  • The biocompatible material recovered its original straight shape in 20 s when magnetic field with frequency of 300 kHz and power of 5.0 kW are applied.

    “It was shown that the biocompatible material recovered its original straight shape in 20 s when magnetic field with frequency of 300 kHz and power of 5.0 kW are applied.”

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Authors
Schmidt, A. M.
Affiliations
Heinrich Heine University Düsseldorf (DE)
Corresponding author
Schmidt, Annette M.
Venue
Macromolecular Rapid Communications
Publisher
Wiley
Published
2006-07-20
Volume
27
Issue
14
Pages
1168-1172
ISSN
  • 1022-1336 (ISSN-L)
  • 1521-3927
OpenAlex
W1988418731
Cited by
518
References
40
Citations by year
2026: 8 · 2025: 22 · 2024: 24 · 2023: 25 · 2022: 24 · 2021: 32 · 2020: 38 · 2019: 36 · 2018: 19 · 2017: 30 · 2016: 38 · 2015: 26 · 2014: 31 · 2013: 46 · 2012: 23
FWCI
32.57
Type
journal article
Language
en
Open access
closed
Locations
Macromolecular Rapid Communications (publishedVersion)
Topics
  • Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
  • Physical Sciences › Engineering › Biomedical Engineering › Dielectric materials and actuators
Keywords
shape memory polymers, magnetic nanoparticles, superparamagnetic nanoparticles, magnetite, electromagnetic actuation, magnetic heating, nanoantennas, thermoset composites, butyl acrylate, specific loss power, remote actuation, shape transition

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