A rigid and healable polymer cross-linked by weak but abundant Zn(II)-carboxylate interactions

Nature Communications
Jian-Cheng LaiJing-Lin Zuo

Abstract

Achieving a desirable combination of solid-like properties and fast self-healing is a great challenge due to slow diffusion dynamics. In this work, we describe a design concept that utilizes weak but abundant coordination bonds to achieve this objective. The designed PDMS polymer, crosslinked by abundant Zn(II)-carboxylate interactions, is very strong and rigid at room temperature. As the coordination equilibrium is sensitive to temperature, the mechanical strength of this polymer rapidly and reversibly changes upon heating or cooling. The soft-rigid switching ability σ, defined as G'max /G'min, can reach 8000 when ΔT = 100 °C. Based on these features, this polymer not only exhibits fast thermal-healing properties, but is also advantageous for various applications such as in orthopedic immobilization, conductive composites/adhesives, and 3D printing.

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Citations

Apr 13, 2019·Advanced Materials·Luzhi ZhangZhengwei You
Apr 13, 2019·Macromolecular Rapid Communications·Zhen JiangLuke A Connal
Feb 1, 2020·Macromolecular Rapid Communications·Mengqi DuGuanjun Chang
Apr 25, 2019·Nature Communications·Yohei MiwaShoichi Kutsumizu
Sep 7, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Hui-Ying LaiCheng-Hui Li
Feb 6, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Pei-Chen ZhaoCheng-Hui Li
Feb 13, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Gulzhian I DzhardimalievaIgor E Uflyand
Feb 20, 2020·Soft Matter·Yohei MiwaShoichi Kutsumizu
Oct 2, 2020·Advanced Science·Zhen JiangLuke A Connal
Oct 11, 2019·Advanced Materials·Cheng-Hui Li, Jing-Lin Zuo
Apr 29, 2020·Nature Communications·Hongshuang GuoLei Zhang
May 14, 2020·Macromolecular Rapid Communications·Shengnan ZhanJunqi Sun
Nov 3, 2020·Chemistry, an Asian Journal·Abdul Sattar Mohammad, Archita Patnaik
Jan 13, 2021·Angewandte Chemie·JianHua XuJiaJun Fu
Mar 17, 2021·Macromolecular Rapid Communications·Xu ChenMing-Chao Luo
May 6, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Callum BranfootPaul G Pringle
May 25, 2021·Journal of Advanced Research·Lan LiQing Jiang
Jun 19, 2021·Macromolecular Rapid Communications·Yu ZhangWei Huang
Jun 23, 2021·ACS Applied Materials & Interfaces·Da-Peng WangCheng-Hui Li
Jul 30, 2021·The Journal of Physical Chemistry. B·Subarna SamantaAlexei P Sokolov
Sep 15, 2020·ACS Applied Materials & Interfaces·Lei DuanJing-Lin Zuo
Jul 20, 2021·Angewandte Chemie·Asger Holm AgergaardKim Daasbjerg
Sep 10, 2021·ACS Applied Materials & Interfaces·Chen-Yu ShiDa-Hui Qu
Sep 11, 2021·ACS Applied Materials & Interfaces·Feifan ShengZhong Lin Wang
Nov 12, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Shengping DaiJianning Ding

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Methods Mentioned

BETA
X-ray
differential scanning calorimetry
rheology
scanning electron microscopy

Software Mentioned

Microcal
Origin

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