Super Strong and Tough Elastomers Enabled by Sacrificial Segregated Network

Yong Zhu; Lai-Yun Wei; Xuan Fu; Jun-Qi Zhang; Ling-Min Kong; Guang-Su Huang; Jin-Rong Wu

doi:10.1007/s10118-020-2484-9

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Super Strong and Tough Elastomers Enabled by Sacrificial Segregated Network

ARTICLE | Updated：2020-09-21

- Super Strong and Tough Elastomers Enabled by Sacrificial Segregated Network
- Super Strong and Tough Elastomers Enabled by Sacrificial Segregated Network
- Chinese Journal of Polymer Science 2021年39卷第3期页码：377-386
- Affiliations：
  
  State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
- Author bio：
  
  guangsu-huang@hotmail.com (G.S.H.)
  wujinrong@scu.edu.cn (J.R.W.)
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (No. 51673120).
- DOI：10.1007/s10118-020-2484-9
  中图分类号：
- 收稿：2020-06-24，
  
  修回：2020-7-13，
  
  录用：2020-7-23，
  
  网络首发：2020-09-21，
  
  纸质出版：2021-01-02
- Accepted：
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Zhu, Y.; Wei, L. Y.; Fu, X.; Zhang, J. Q.; Kong, L. M.; Huang, G. S.; Wu, J. R. Super strong and tough elastomers enabled by sacrificial segregated network. Chinese J. Polym. Sci. 2021, 39, 377–386

Yong Zhu, Lai-Yun Wei, Xuan Fu, et al. Super Strong and Tough Elastomers Enabled by Sacrificial Segregated Network[J]. Chinese Journal of Polymer Science, 2021, 39(3): 377-386.
Zhu, Y.; Wei, L. Y.; Fu, X.; Zhang, J. Q.; Kong, L. M.; Huang, G. S.; Wu, J. R. Super strong and tough elastomers enabled by sacrificial segregated network. Chinese J. Polym. Sci. 2021, 39, 377–386 DOI： 10.1007/s10118-020-2484-9.

Yong Zhu, Lai-Yun Wei, Xuan Fu, et al. Super Strong and Tough Elastomers Enabled by Sacrificial Segregated Network[J]. Chinese Journal of Polymer Science, 2021, 39(3): 377-386. DOI： 10.1007/s10118-020-2484-9.

摘要

Abstract

The integration of high strength and toughness concurrently is a vital requirement for elastomers from the perspective of long-term durability and reliability. Unfortunately

these properties are generally conflicting in artificial materials. In the present work

we propose a facile strategy to simultaneously toughen and strengthen elastomers by constructing 3D segregated filler network

via

a simple latex mixing method. The as-fabricated elastomers are featured by a microscopic 3D interconnected segregated network of rigid graphene oxide (GO) nanosheets and a continuous soft matrix of sulfur vulcanized natural rubber (NR). We demonstrate that the interconnected segregated filler network ruptures preferentially upon deformation

and thus is more efficient in energy dissipation than the dispersed filler network. Therefore

the segregated filler network exhibits better reinforcing effects for the rubber matrix. Moreover

the excellent energy dissipating ability also contributes to the outstanding crack growth resistance through the release of concentrated stress at the crack tip. As a result

the strength

toughness and fatigue resistance of the nanocomposites are concurrently enhanced. The methodology in this work is facile and universally applicable

which may provide new insights into the design of elastomers with both extraordinary static and dynamic mechanical performance for practical applications.

关键词

Keywords

references

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