Anomalous diffusion of water in glassy polymers

Anomalous diffusion of water has been observed in polystyrene and in epoxy resin. Sudden changes in the boundary conditions can cause the absorbed water to agglomerate and form a second phase within these polymers. The agglomerated water can force the polymer segments apart and create permanent craz...

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Bibliographic Details
Published in:Polymer (Guilford) 1976-01, Vol.17 (8), p.690-694
Main Author: Pogany, G.A
Format: Article
Language:English
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Summary:Anomalous diffusion of water has been observed in polystyrene and in epoxy resin. Sudden changes in the boundary conditions can cause the absorbed water to agglomerate and form a second phase within these polymers. The agglomerated water can force the polymer segments apart and create permanent crazes. The diffusion of water in crazed polymers is non-Fickian. The solubility becomes a function of the total pressure and the amount of water taken up from liquid water is much more than that absorbed in saturated water vapour.
ISSN:0032-3861
1873-2291
DOI:10.1016/0032-3861(76)90209-3