Tough Physical Double‐Network Hydrogels Based on Amphiphilic Triblock Copolymers,Advanced Materials

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Tough Physical Double‐Network Hydrogels Based on Amphiphilic Triblock Copolymers
Advanced Materials ( IF 27.4 ) Pub Date : 2016-04-27 , DOI: 10.1002/adma.201600466
Hui Jie Zhang ₁ , Tao Lin Sun _{2,

3} , Ao Kai Zhang ₁ , Yumihiko Ikura ₂ , Tasuku Nakajima _{2,

3} , Takayuki Nonoyama _{2,

3} , Takayuki Kurokawa _{2,

3} , Osamu Ito ₄ , Hiroyuki Ishitobi ₄ , Jian Ping Gong _{2,

3}

Affiliation

A series of physical double‐network hydrogels is synthesized based on an amphiphilic triblock copolymer. The gel, which contains strong hydrophobic domains and sacrificial dynamic bonds of hydrogen bonds, is stiff and tough, and even stiffens in concentrated saline solution. Furthermore, due to its supramolecular structure, the gel features improved self‐healing and self‐recovery abilities.