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Abstract
The role of a relaxed local intermediate configuration associated with free swelling is
examined in the context of diffusion of a liquid in an isotropic elastomer. It is found
that this configuration is energetically optimal if the free-energy function of the
polymer-liquid gel is polyconvex. Further aspects of the general theory of diffusion in
elastomers are also discussed.
Keywords
diffusion, polymers, polyconvexity
Mathematical Subject Classification 2010
Primary: 74FXX
Milestones
Received: 8 May 2012
Revised: 25 July 2012
Accepted: 26 September 2012
Published: 6 February 2013
Communicated by Pierre Seppecher