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Interaction between water and polymer chains in poly[hydroxyethyl acrylate) hydrogels

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dc.contributor.author Pradas, MM en
dc.contributor.author Ribelles, JLG en
dc.contributor.author Aroca, AS en
dc.contributor.author Ferrer, GG en
dc.contributor.author Anton, JS en
dc.contributor.author Pissis, P en
dc.date.accessioned 2014-03-01T01:16:39Z
dc.date.available 2014-03-01T01:16:39Z
dc.date.issued 2001 en
dc.identifier.issn 0303-402X en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/14148
dc.subject hydrogels en
dc.subject water sorption en
dc.subject diffusion en
dc.subject poly(hydroxyethyl acrylate) en
dc.subject dynamic-mechanical properties en
dc.subject.classification Chemistry, Physical en
dc.subject.classification Polymer Science en
dc.subject.other SORPTION en
dc.subject.other ISOTHERM en
dc.subject.other NETWORKS en
dc.title Interaction between water and polymer chains in poly[hydroxyethyl acrylate) hydrogels en
heal.type journalArticle en
heal.identifier.primary 10.1007/s003960000426 en
heal.identifier.secondary http://dx.doi.org/10.1007/s003960000426 en
heal.language English en
heal.publicationDate 2001 en
heal.abstract Polymer networks of different cross-linking densities were prepared by copolymerisation of hydroxyethyl acrylate and ethylene glycol dimethacrylate. The average molecular weight between cross-links as well as the polymer chain mobility were characterised by means of dynamic-mechanical spectroscopy. Equilibrium sorption iso-therms and the water uptake in immersion in liquid water allowed the determination of the Flory-Huggins interaction parameter between water molecules and polymer chain segments, which decreased with the water activity in the hydrogel and increased with the crosslinking density as a consequence of the hydrophobic character of the cross-linking agent. Dynamic sorption and desorption experiments were used to determine the diffusion coefficient. en
heal.publisher SPRINGER-VERLAG en
heal.journalName COLLOID AND POLYMER SCIENCE en
dc.identifier.doi 10.1007/s003960000426 en
dc.identifier.isi ISI:000168065500003 en
dc.identifier.volume 279 en
dc.identifier.issue 4 en
dc.identifier.spage 323 en
dc.identifier.epage 330 en


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