Conducting shape memory polyurethane-polypyrrole composites for an electroactive actuator
Abstract
Abstract Summary: Electroactive shape memory composites were prepared using polyurethane block copolymer and conducting polypyrrole by chemical oxidative polymerization. The electrical conductivity, thermal and mechanical properties, and morphology of the composites were investigated, and a voltage‐triggered shape memory effect was demonstrated. The polyurethane synthesized had a transition temperature near 46 °C. The presence of polypyrrole increased the conductivity of the composites, and a high conductivity of the order of 10−2 S/cm was obtained at 6–20 wt.‐% polypyrrole. Such a conductivity of composites was enough to show electroactive shape recovery by heating above the transition temperature of 40–45 °C due to melting of the polycaprolactone soft segment domain. Thus a good shape recovery of 85–90% could be obtained in the shape recovery test with bending mode when an electric field of 40 V was applied. Electroactive shape recovery behavior of PU/PPy composite. image Electroactive shape recovery behavior of PU/PPy composite.
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One specimen of PCL-based SMPU filled with MWCNTs and containing 20 wt% polypyrrole coating recovered within 25 s between 85 and 90% of original shape at 40 V.
“one specimen containing 20 wt% polypyrrole was able to recover within 25 s between 85 and 90% of its original shape at a constant electric potential of 40 V.”
From Review on the Functional Determinants and Durability of Shape Memory Polymers (2010) · cites this paper as [209]
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Guo, X., Yan, W., Liu, M., Ding, Y. H., Qu, J., Sheng, P., Hu, J., & Zhang, Z. (2023) · European Polymer Journal · doi:10.1016/j.eurpolymj.2023.112408 · Cited by 3 · see citing works
Barsania, M. S. H., & Gopal, K. V. N. (2025) · Composite Structures · doi:10.1016/j.compstruct.2025.119849 · Cited by 2 · see citing works
Cho, C. (2009) · Human factors and ergonomics · doi:10.1201/9781420088533-c8 · Cited by 2 · see citing works
You, G., Liu, X., Chen, X., Yang, B., & Zhou, X. (2018) · Materials Research Express · doi:10.1088/2053-1591/aac5bc · Cited by 2 · see citing works
Mechanical, Thermal and Shape Memory Characterization of a Novel Epoxy Shape Memory Polymer
Mahesh, U., Velmurugan, R., & Kumar, S. (2022) · Materials science forum · doi:10.4028/p-qwsuqs · Cited by 2 · see citing works
3D printing of shape memory polymers via stereolithography process
Choong, Y. Y. C. (2018) · doi:10.32657/10356/75861 · Cited by 2 · see citing works
Sarcheshmeh, M. G., Behravesh, A. H., Hedayati, S. K., Bakhtiyari, A., Akbari, D., & Rizvi, G. M. (2023) · Preprints.org · doi:10.20944/preprints202310.1142.v2 · Cited by 2 · see citing works
- Authors
- Sahoo, N. G., Jung, Y. C., Goo, N. S., & Cho, J. W.
- Affiliations
- Konkuk University (KR)
- Corresponding author
- Cho, Jae Whan
- Venue
- Macromolecular Materials and Engineering
- Publisher
- Wiley
- Published
- 2005-10-21
- Volume
- 290
- Issue
- 11
- Pages
- 1049-1055
- ISSN
- 1438-7492 (ISSN-L)
- 1439-2054
- OpenAlex
- W1981104025
- Cited by
- 113
- References
- 18
- Citations by year
- 2025: 6 · 2024: 3 · 2023: 4 · 2022: 5 · 2021: 4 · 2020: 8 · 2019: 5 · 2018: 6 · 2017: 11 · 2016: 12 · 2015: 5 · 2014: 4 · 2013: 9 · 2012: 4
- FWCI
- 0.74
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Macromolecular Materials and Engineering (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, polyurethane block copolymers, polypyrrole, conductive polymer composites, electroactive actuators, electrical conductivity, phase transition temperature, chemical oxidative polymerization
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