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Shape Memory Effect Exhibited by Smectic-C Liquid Crystalline Elastomers
Abstract
It was long expected and recently shown that main-chain liquid crystalline elastomers (MC-LCEs) may serve as high performance soft actuators due to a coupling of their intrinsic characteristics of high, yet labile, ordering and network strain. Here, we present the synthesis of new siloxane-based smectic MC-LCEs. These new materials exhibit a unique thermomechanical behavior known as the shape memory effect, which has never been observed before in such LCEs. To achieve targeted transition temperatures required for facile actuation at low temperatures, specifically temperatures ranging from 15 to 65 degrees C, we have designed and prepared such elastomers incorporating two distinct mesogenic groups, termed 5H and 5tB, coupled with hydride-terminated poly(dimethylsiloxane) spacers.
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Cites
Liquid crystal elastomers with mechanical properties of a muscle
Thomsen, D. L., Keller, P., Naciri, J., Pink, R., Jeon, H., Shenoy, D., & Ratna, B. R. (2001) · Macromolecules · doi:10.1021/ma001639q · Cited by 689
Cited by
Light-induced shape-memory polymers
Lendlein, A., Jiang, H., Jünger, O., & Langer, R. (2005) · Nature · doi:10.1038/nature03496 · Cited by 2,006
Behl, M., & Lendlein, A. (2007) · Materials Today · doi:10.1016/s1369-7021(07)70047-0 · Cited by 1,965
Review of progress in shape-memory polymers
Liu, C., Qin, H., & Mather, P. T. (2007) · Journal of Materials Chemistry · doi:10.1039/b615954k · Cited by 1,942
Self-citationHu, J., Zhu, Y., Huang, H., & Lu, J. (2012) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2012.06.001 · Cited by 1,279
A review of stimuli-responsive shape memory polymer composites
Meng, H., & Li, G. (2013) · Polymer · doi:10.1016/j.polymer.2013.02.023 · Cited by 1,190
Metadata
- Authors
- Rousseau, I. A., & Mather, P. T.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2003-11-20
- Volume
- 125
- Issue
- 50
- Pages
- 15300-15301
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2113540648
- Cited by
- 290
- References
- 1
- FWCI
- 12.54
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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