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Design of Ethylene-Vinyl Acetate Copolymer Fiber with Two-Way Shape Memory Effect
One-dimensional shape memory polymer fibers (SMPFs) have obvious advantages in mechanical properties, dispersion properties, and weavability. In this work, a method for fabricating semi-crystallization ethylene-vinyl acetate copolymer (EVA) fiber with two-way shape memory effect by melt spinning and...
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6835960/ https://www.ncbi.nlm.nih.gov/pubmed/31574960 http://dx.doi.org/10.3390/polym11101599 |
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author | Qi, Xiaoming Yang, Wentong Yu, Laiming Wang, Wenjun Lu, Haohao Wu, Yanglong Zhu, Shanwen Zhu, Yaofeng Liu, Xiangdong Dong, Yubing Fu, Yaqin |
author_facet | Qi, Xiaoming Yang, Wentong Yu, Laiming Wang, Wenjun Lu, Haohao Wu, Yanglong Zhu, Shanwen Zhu, Yaofeng Liu, Xiangdong Dong, Yubing Fu, Yaqin |
author_sort | Qi, Xiaoming |
collection | PubMed |
description | One-dimensional shape memory polymer fibers (SMPFs) have obvious advantages in mechanical properties, dispersion properties, and weavability. In this work, a method for fabricating semi-crystallization ethylene-vinyl acetate copolymer (EVA) fiber with two-way shape memory effect by melt spinning and ultraviolet (UV) curing was developed. Here, the effect of crosslink density on its performance was systematically analyzed by gel fraction measurement, tensile tests, DSC, and TMA analysis. The results showed that the crosslink density and shape memory properties of EVA fiber could be facilely adjusted by controlling UV curing time. The resulting EVA fiber with cylindrical structure had a diameter of 261.86 ± 13.07 μm, and its mechanical strength and elongation at break were 64.46 MPa and 114.33%, respectively. The critical impact of the crosslink density and applied constant stress on the two-way shape memory effect were analyzed. Moreover, the single EVA fiber could lift more than 143 times its own weight and achieve 9% reversible actuation strain. The reversible actuation capability was significantly enhanced by a simple winding design of the single EVA fiber, which provided great potential applications in smart textiles, flexible actuators, and artificial muscles. |
format | Online Article Text |
id | pubmed-6835960 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-68359602019-11-25 Design of Ethylene-Vinyl Acetate Copolymer Fiber with Two-Way Shape Memory Effect Qi, Xiaoming Yang, Wentong Yu, Laiming Wang, Wenjun Lu, Haohao Wu, Yanglong Zhu, Shanwen Zhu, Yaofeng Liu, Xiangdong Dong, Yubing Fu, Yaqin Polymers (Basel) Article One-dimensional shape memory polymer fibers (SMPFs) have obvious advantages in mechanical properties, dispersion properties, and weavability. In this work, a method for fabricating semi-crystallization ethylene-vinyl acetate copolymer (EVA) fiber with two-way shape memory effect by melt spinning and ultraviolet (UV) curing was developed. Here, the effect of crosslink density on its performance was systematically analyzed by gel fraction measurement, tensile tests, DSC, and TMA analysis. The results showed that the crosslink density and shape memory properties of EVA fiber could be facilely adjusted by controlling UV curing time. The resulting EVA fiber with cylindrical structure had a diameter of 261.86 ± 13.07 μm, and its mechanical strength and elongation at break were 64.46 MPa and 114.33%, respectively. The critical impact of the crosslink density and applied constant stress on the two-way shape memory effect were analyzed. Moreover, the single EVA fiber could lift more than 143 times its own weight and achieve 9% reversible actuation strain. The reversible actuation capability was significantly enhanced by a simple winding design of the single EVA fiber, which provided great potential applications in smart textiles, flexible actuators, and artificial muscles. MDPI 2019-09-30 /pmc/articles/PMC6835960/ /pubmed/31574960 http://dx.doi.org/10.3390/polym11101599 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Qi, Xiaoming Yang, Wentong Yu, Laiming Wang, Wenjun Lu, Haohao Wu, Yanglong Zhu, Shanwen Zhu, Yaofeng Liu, Xiangdong Dong, Yubing Fu, Yaqin Design of Ethylene-Vinyl Acetate Copolymer Fiber with Two-Way Shape Memory Effect |
title | Design of Ethylene-Vinyl Acetate Copolymer Fiber with Two-Way Shape Memory Effect |
title_full | Design of Ethylene-Vinyl Acetate Copolymer Fiber with Two-Way Shape Memory Effect |
title_fullStr | Design of Ethylene-Vinyl Acetate Copolymer Fiber with Two-Way Shape Memory Effect |
title_full_unstemmed | Design of Ethylene-Vinyl Acetate Copolymer Fiber with Two-Way Shape Memory Effect |
title_short | Design of Ethylene-Vinyl Acetate Copolymer Fiber with Two-Way Shape Memory Effect |
title_sort | design of ethylene-vinyl acetate copolymer fiber with two-way shape memory effect |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6835960/ https://www.ncbi.nlm.nih.gov/pubmed/31574960 http://dx.doi.org/10.3390/polym11101599 |
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