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Stiff, strong, and tough hydrogels with good chemical stability
Author(s) -
Jianyu Li,
Zhigang Suo,
Joost J. Vlassak
Publication year - 2014
Publication title -
journal of materials chemistry b
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.316
H-Index - 101
eISSN - 2050-7518
pISSN - 2050-750X
DOI - 10.1039/c4tb01194e
Subject(s) - self healing hydrogels , materials science , stability (learning theory) , chemical stability , polymer science , composite material , chemical engineering , nanotechnology , polymer chemistry , computer science , engineering , machine learning
Most hydrogels have poor mechanical properties, severely limiting their scope of applications. Here a hybrid hydrogel, consisting of hydrophilic and crystalline polymer networks, achieves an elastic modulus of 5 MPa, a strength of 2.5 MPa, and a fracture energy of 14 000 J m -2 , while maintaining physical integrity in concentrated electrolyte solutions.

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