Cited by 91Dielectric materials and actuatorsAdvanced Materials and MechanicsPolymer composites and self-healing

Electroactive thermoset shape memory polymer nanocomposite filled with nanocarbon powders

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Leng, Jinsong, Lan, Xin, Liu, Yanju, Du, Shanyi·2009·Smart Materials and Structures

Abstract

This paper concerns an electroactive thermoset styrene-based shape memory polymer (SMP) nanocomposite filled with nanosized (30 nm) carbon powders. With an increase of the incorporated nanocarbon powders of the SMP composite, its glass transition temperature ( T g ) decreases and storage modulus increases. Due to the high micro-porosity and homogeneous distributions of nanocarbon powders in the SMP matrix, the SMP composite shows good electrical conductivity with a percolation of about 3.8%. This percolation threshold is slightly lower than that of many other carbon-based conductive polymer composites. Consequently, due to the relatively high electrical conductivity, a sample filled with 10 vol% nanocarbon powders shows a good electroactive shape recovery performance heating by a voltage of 30 V above a transition temperature of 56–69 °C.

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Crossref · 10.1088/0964-1726/18/7/074003

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  • Styrene-based SMP composite filled with 10 vol% homogenously distributed carbon nanopowder had shape recoverability estimated between 75 and 80% within 90 s of Joule heating at 30 V.

    “When filled with 10 vol% of homogenously distributed carbon nanopowder, samples revealed good shape recovery performances; within 90 s of Joule heating (30 V), the shape recoverability was estimated to be between 75 and 80%.”

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  1. Nakamura S, Minami T, Sawa G and Kitagawa K 1997 Conf. of Electrical Insulation and Dielectric Phenomena p 201

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Authors
Leng, J., Lan, X., Liu, Y., & Du, S.
Affiliations
Harbin Institute of Technology (CN)
Corresponding author
Lan, Xin
Venue
Smart Materials and Structures
Published
2009-06-15
Volume
18
Issue
7
Pages
074003
ISSN
  • 0964-1726 (ISSN-L)
  • 1361-665X
OpenAlex
W2058182477
Cited by
91
References
41
Citations by year
2025: 2 · 2024: 2 · 2023: 4 · 2022: 4 · 2021: 5 · 2020: 7 · 2019: 6 · 2018: 2 · 2017: 6 · 2016: 11 · 2015: 1 · 2014: 6 · 2013: 12 · 2012: 4
FWCI
4.40
Type
journal article
Language
en
Open access
Locations
Smart Materials and Structures (publishedVersion)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Dielectric materials and actuators
  • Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
Keywords
shape memory polymers, thermoset polymers, styrene-based polymers, nanocomposites, electrical conductivity, percolation threshold, glass transition temperature, storage modulus, microporosity, Joule heating

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