Highly Stretchable and Self-healing Hydrogels Based on Poly(acrylic acid) and Functional POSS

Liu-qing Yang; Lu Lu; Chao-wen Zhang; Chang-ren Zhou

doi:10.1007/s10118-016-1744-1

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Highly Stretchable and Self-healing Hydrogels Based on Poly(acrylic acid) and Functional POSS

Updated：2021-06-21

- Highly Stretchable and Self-healing Hydrogels Based on Poly(acrylic acid) and Functional POSS
- Chinese Journal of Polymer Science Vol. 34, Issue 2, Pages: 185-194(2016)
- Affiliations：
  
  Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, China
- Author bio：
  
  **Lu Lu (鲁路), E-mail: tlulu@jnu.edu.cn or luxixi801@gmail.com
  Chang-ren Zhou (周长忍), E-mail: tcrz9@jnu.edu.cn
- Funds：
- DOI：10.1007/s10118-016-1744-1
  CLC：
- Received：07 August 2015，
  
  Revised：2015-09-22，
  
  Accepted：25 September 2015，
  
  Published：2016-02
- Accepted：
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Liu-qing Yang, Lu Lu, Chao-wen Zhang, et al. Highly Stretchable and Self-healing Hydrogels Based on Poly(acrylic acid) and Functional POSS[J]. Chinese Journal of Polymer Science, 2016, 34(2): 185-194.
DOI：

Liu-qing Yang, Lu Lu, Chao-wen Zhang, et al. Highly Stretchable and Self-healing Hydrogels Based on Poly(acrylic acid) and Functional POSS[J]. Chinese Journal of Polymer Science, 2016, 34(2): 185-194. DOI： 10.1007/s10118-016-1744-1.

摘要

Abstract

Herein

we present a novel way for the production of self-healing hydrogels with stretch beyond 4200% than their initial length and relatively high tensile strength (0.1-0.25 MPa). Furthermore

the hydrogel was insensitive to notch. Even for the samples containing V-notches

a stretch of 2300% was demonstrated. The hydrogels were developed by

in situ

crosslinking of the self-assembled colloidal poly(acrylic acid) (PAA)/functionalized polyhedral oligomeric silsesquioxane (POSS) micelles. This was achieved by the addition of functionalized polyhedral oligomeric silsesquioxane with tertiary amines and hydroxyls (POSS-AH) into the PAA reaction solution. The POSS-AH led to micellar growth

then the dualcrosslinked network was constructed. One type of crosslink was formed by hydrogen-bonding and ionic interactions between PAA chains and POSS-AH

the other type of crosslink was formed by covalent bonds between PAA and bis(

'-methylenebis- acrylamide).

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