Synergistic effect of self-assembled carboxylic acid-functionalized carbon nanotubes and carbon fiber for improved electro-activated polymeric shape-memory nanocomposite
Abstract
The present work studies the synergistic effect of self-assembled carboxylic acid-functionalized carbon nanotube (CNT) and carbon fiber on the electrical property and electro-activated recovery behavior of shape memory polymer (SMP) nanocomposites. The combination of CNT and carbon fiber results in improved electrical conductivity in the SMP nanocomposites. Carboxylic acid-functionalized CNTs are grafted onto the carbon fibers and then self-assembled by deposition to significantly enhance the reliability of the bonding between carbon fiber and SMP via van der Waals and covalent crosslink. Furthermore, the self-assembled carboxylic acid-functionalized CNTs and carbon fibers enable the SMP nanocomposites for Joule heating triggered shape recovery.
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The synergistic effect of both nanofillers (cross-linked to the epoxy-based matrix), upon Joule heating, produced shape recovery observed in 45 s (voltage of 12 V DC and power of 0.5 W).
“The synergistic effect of both nanofillers (cross-linked to the epoxy-based matrix), upon Joule heating the shape recovery was observed in 45 s (voltage of 12 V DC and power of 0.5 W).”
From Shape-memory polymers for multiple applications in the materials world (2016) · cites this paper as [118]
An interesting method to enhance the materials' electrical and thermal conductivities is to combine two or more electrically sensitive nanofillers.
“An interesting method to enhance the materials electrical and thermal conductivities is to combine two or more electrically sensitive nanofillers [118].”
From Shape-memory polymers for multiple applications in the materials world (2016) · cites this paper as [118]
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Shape-memory polymers for multiple applications in the materials world
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- Authors
- Lu, H., & Min Huang, W.
- Affiliations
- Harbin Institute of Technology (CN)
- Nanyang Technological University 2 School of Mechanical and Aerospace Engineering, , Singapore 639798, Singapore
- ORCID
- Lu, Haibao
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2013-06-10
- Volume
- 102
- Issue
- 23
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2165105796
- Cited by
- 86
- References
- 21
- Citations by year
- 2026: 4 · 2025: 3 · 2024: 5 · 2023: 7 · 2022: 2 · 2021: 11 · 2020: 5 · 2019: 1 · 2018: 3 · 2017: 6 · 2016: 12 · 2015: 10 · 2014: 14 · 2013: 3
- FWCI
- 7.17
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Applied Physics Letters (publishedVersion)
- DR-NTU (Nanyang Technological University) (submittedVersion)
- Funders
- National Natural Science Foundation of China (51103032, 201304)
- Fundamental Research Funds for the Central Universities (HIT.BRETIV.201304)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Dielectric materials and actuators
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
- Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
- Keywords
- shape memory polymers, carbon nanotubes, carbon fiber, carboxyl functionalization, self-assembly, Joule heating, electrical conductivity, shape recovery, polymer nanocomposites, synergistic effect, covalent cross-linking, van der Waals bonding
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