Tough and Self-healing Supramolecular Hydrogels Composed of Polyampholytes

Kunpeng GUI; Tao Lin SUN; Jian Ping GONG

doi:10.14028/j.cnki.1003-3726.2019.03.001

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Tough and Self-healing Supramolecular Hydrogels Composed of Polyampholytes

更新时间：2022-09-02

- Tough and Self-healing Supramolecular Hydrogels Composed of Polyampholytes
- Polymer Bulletin Vol. 32, Issue 3, Pages: 1-16(2019)
- 作者机构：
  
  1.北海道大学大学院先端生命科学研究院，札幌 060-0810
  2.北海道大学国际连携研究教育局，札幌 001-0021
  3.华南理工大学华南软物质科学技术高等研究院，广州 510640
  4.北海道大学化学反应创成研究基地，札幌 001-0021
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2019.03.001
  CLC：
- Published：20 March 2019，
  
  Received：09 January 2019，
  
  Revised：18 January 2019，
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Kunpeng GUI, Tao Lin SUN, Jian Ping GONG. Tough and Self-healing Supramolecular Hydrogels Composed of Polyampholytes. [J]. Polymer Bulletin 32(3):1-16(2019)
DOI：

Kunpeng GUI, Tao Lin SUN, Jian Ping GONG. Tough and Self-healing Supramolecular Hydrogels Composed of Polyampholytes. [J]. Polymer Bulletin 32(3):1-16(2019) DOI： 10.14028/j.cnki.1003-3726.2019.03.001.

摘要

聚两性电解质是指由带正电荷的单体和负电荷的单体无规共聚形成的一类聚合物。这类聚合物的分子链上同时含有正负电荷基团。通过聚两性电解质形成的超分子物理水凝胶（PA凝胶）由于优异的机械性能引起了人们广泛的关注。这类新型水凝胶不但具有高的强度和韧性，还具有抗疲劳和自修复能力，以及良好的生物相容性，因此可以作为一种理想的结构性生物材料来替代入体损伤的组织，如软骨和肌腱等。本文将系统总结影响PA凝胶性能的因素，包括正负离子电荷比、单体浓度和交联剂浓度。此外，我们还将讨论PA凝胶的链结构、增韧机理、自修复机理和断裂行为，并对其在不同领域的初步应用做了简单阐述。最后，我们对PA凝胶研究中还存在的问题和将来一些可能的研究方向进行了简单的总结和展望。

Abstract

Polyampholyte hydrogels have attracted great attention due to their excellent performance. This new type of hydrogels not only show high strength and toughness

but also show fatigue resistance and self-healing

along with biocompatibility. Thus

those hydrogels have great potential as structural biomaterials

such as cartilage and tendon. In this review paper

we firstly describe the factors that influence the performance of PA hydrogels

including the charge ratio of cationic monomer and anionic monomer

the monomer concentration and the crosslinker concentration. Then we discuss the chain structure

toughening mechanism

self-healing mechanism

fracture behavior

and some applications of PA hydrogels. Finally

we summarize some open questions on PA hydrogels that may provide opportunities.

关键词

聚两性电解质水凝胶高强韧自修复结构生物材料断裂机理

Keywords

Polyampholyte hydrogelsToughSelf-healingStructural biomaterialsFracture mechanism

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