Smart Core-Shell Elastomer Fibers with Simultaneous Resistance and Color Responses

Dong-Peng Sun; Yao Xiao; Yuan Zheng; An-Xun Zhang; Bao-Ling Guo; Dong Chen

doi:10.1007/s10118-024-3232-3

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Smart Core-Shell Elastomer Fibers with Simultaneous Resistance and Color Responses

RESEARCH ARTICLE | Updated：2025-04-01

- Smart Core-Shell Elastomer Fibers with Simultaneous Resistance and Color Responses
- Chinese Journal of Polymer Science Vol. 43, Issue 4, Pages: 556-562(2025)
- Affiliations：
  
  a.Department of Oncology, Longyan First Affiliated Hospital of Fujian Medical University, Longyan 364000, China
  b.College of Energy Engineering and State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
  c.Zhejiang Key Laboratory of Smart Biomaterials, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
- Author bio：
  
  baolingguo@sina.com (B.L.G.)
  chen_dong@zju.edu.cn (D.C.)
- Funds：
- DOI：10.1007/s10118-024-3232-3
  CLC：
- Received：19 July 2024，
  
  Revised：28 August 2024，
  
  Accepted：2024-09-05，
  
  Published Online：14 November 2024，
  
  Published：01 April 2025
- Accepted：
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Sun, D. P.; Xiao, Y.; Zheng, Y.; Zhang, A. X.; Guo, B. L.; Chen, D. Smart core-shell elastomer fibers with simultaneous resistance and color responses. Chinese J. Polym. Sci. 2025, 43, 556–562

Dong-Peng Sun, Yao Xiao, Yuan Zheng, et al. Smart Core-Shell Elastomer Fibers with Simultaneous Resistance and Color Responses[J]. Chinese journal of polymer science, 2025, 43(4): 556-562.
Sun, D. P.; Xiao, Y.; Zheng, Y.; Zhang, A. X.; Guo, B. L.; Chen, D. Smart core-shell elastomer fibers with simultaneous resistance and color responses. Chinese J. Polym. Sci. 2025, 43, 556–562 DOI： 10.1007/s10118-024-3232-3.

Dong-Peng Sun, Yao Xiao, Yuan Zheng, et al. Smart Core-Shell Elastomer Fibers with Simultaneous Resistance and Color Responses[J]. Chinese journal of polymer science, 2025, 43(4): 556-562. DOI： 10.1007/s10118-024-3232-3.

摘要

Novel smart core-shell elastomer fibers are developed

featuring a conductive core and a liquid crystal elastomer shell. The fibers exhibit simultaneous changes in color and resistance in response to mechanical deformations such as stretching

bending

compression

and twisting.

Abstract

Fibers with deformation-triggered responses are essential for smart textiles and wearable electronics. Here

smart core-shell elastomer fibers with a conductive core and a liquid crystal elastomer shell showing simultaneous resistance and color responses are designed and prepared. The conductive core is consisted of interconnected liquid metal nanodroplets dispersed in a polymer matrix and the elastomer shell is made of cholesteric liquid crystals. When stretched

the fiber resistance increases as the interconnected pathways of liquid metal nanodroplets along the fiber axis become narrower

and the selective reflection color from the fiber surface blueshifts since the cholesteric pitch decreases. The smart elastomer fibers could be woven into smart textiles and respond to various mechanical deformations

including stretching

bending

compression and twisting. The average resistance change is 51% under 100% strain and its variation is smaller than 4% over 500 cycles

showing remarkable fatigue resistance. The simultaneous resistance and color responses to mechanical deformations make the fibers attractive for broad applications

such as flexible electronics.

关键词

Keywords

references

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