Progress Toward Robust Polymer Hydrogels

Naficy, Sina, Brown, Hugh R, Razal, Joselite M, Spinks, Geoffrey M and Whitten, Philip G 2011, Progress Toward Robust Polymer Hydrogels, Australian Journal of Chemistry, vol. 64, no. 8, pp. 1007-1025, doi: 10.1071/CH11156.

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Title Progress Toward Robust Polymer Hydrogels
Author(s) Naficy, Sina
Brown, Hugh R
Razal, Joselite MORCID iD for Razal, Joselite M
Spinks, Geoffrey M
Whitten, Philip G
Journal name Australian Journal of Chemistry
Volume number 64
Issue number 8
Start page 1007
End page 1025
Total pages 19
Publisher CSIRO Publishing
Place of publication Collingwood, Vic.
Publication date 2011
ISSN 0004-9425
Summary In this review we highlight new developments in tough hydrogel materials in terms of their enhanced mechanical performance and their corresponding toughening mechanisms. These mechanically robust hydrogels have been developed over the past 10 years with many now showing mechanical properties comparable with those of natural tissues. By first reviewing the brittleness of conventional synthetic hydrogels, we introduce each new class of tough hydrogel: homogeneous gels, slip-link gels, double-network gels, nanocomposite gels and gels formed using poly-functional crosslinkers. In each case we provide a description of the fracture process that may be occurring. With the exception of double network gels where the enhanced toughness is quite well understood, these descriptions remain to be confirmed. We also introduce material property charts for conventional and tough synthetic hydrogels to illustrate the wide range of mechanical and swelling properties exhibited by these materials and to highlight links between these properties and the network topology. Finally, we provide some suggestions for further work particularly with regard to some unanswered questions and possible avenues for further enhancement of gel toughness.
Language eng
DOI 10.1071/CH11156
Field of Research 109999 Technology not elsewhere classified
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C2.1 Other contribution to refereed journal
Copyright notice ©2011, CSIRO Publishing
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Document type: Journal Article
Collection: Faculty of Science, Engineering and Built Environment
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