Novel kind of functional gradient poly(ε-caprolactone) polyurethane nanocomposite: a shape-memory effect induced in three ways
Abstract
ABSTRACT Multiwalled carbon nanotube (MWCNT) crosslinked polyurethane nanocomposites filled with iron (Fe) powders were synthesized by an in situ polymerization method. The Fe powders were deposited on one side of the nanocomposites during sample formation. Because of the gradient distribution of the Fe powders, the polymer part was affected little; this resulted in good mechanical properties of the nanocomposites. The electrical conductivities on each side of the nanocomposites were different. Because of the good magnetic properties and high electrical conductivities of the nanocomposites, the shape‐memory effect could be induced by temperature heating (temperature = 45°C), electrically resistive Joule heating (voltage (U) = 30 V), and magnetic field heating (frequency (f) = 45 kHz, intensity of magnetic field (H) = 46.5 kA/m). The shape‐memory properties were dependent on the location of the side that contained the most Fe powders (Fe side), and the nanocomposites showed better shape‐memory properties when the Fe side was located inside of the folded samples. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40220.
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Fe-powder was used for the production of materials with multi-responsiveness by deposition of a metal containing layer on one side of the nanocomposites and MWCNTs on the other.
“Fe-powder was also used for the production of materials with multi-responsiveness by the deposition of the metal containing layer on one side of the nanocomposites and MWCNTs on the other [106].”
From Shape-memory polymers for multiple applications in the materials world (2016) · cites this paper as [106]
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References 32 · Cited by 10
- Authors
- Cai, Y., Feng, X., & Jiang, J.
- Affiliations
- East China Normal University (CN)
- Corresponding author
- Jiang, Ji‐Sen
- ORCID
- Cai, Yan
- Venue
- Journal of Applied Polymer Science
- Publisher
- Wiley
- Published
- 2013-12-10
- Volume
- 131
- Issue
- 9
- ISSN
- 0021-8995 (ISSN-L)
- 1097-4628
- OpenAlex
- W1977756452
- Cited by
- 10
- References
- 32
- Citations by year
- 2023: 1 · 2021: 1 · 2020: 2 · 2017: 1 · 2016: 2 · 2015: 1 · 2014: 2
- FWCI
- 2.21
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Applied Polymer Science (publishedVersion)
- Funders
- National Natural Science Foundation of China
- East China Normal University
- 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 effect, multi-walled carbon nanotubes, iron powder, Joule heating, magnetic field heating, electrical conductivity, magnetic properties, in situ polymerization, mechanical properties
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