Polymer gels are soft solids with thermodynamically semi-open features which enables the solvents to flow in and out of the gels. The gel volume, therefore, can be coupled to other types of mechanical stimulus such as solvent flow and centrifugal force. This Hot Review focuses on experimental and theoretical studies on a rich variety of phenomena caused by the strain-driven volume change of gels.
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Volume of polymer gels coupled to deformation
Kenji Urayama and Toshikazu Takigawa
Soft Matter, 2012, Advance Article, DOI: 10.1039/C2SM25359C