H-bonding in entrapped water in poly(o-methoxyaniline): Results from a differential scanning calorimetry study

dc.contributorUniversidade Estadual Paulista (Unesp)
dc.contributorUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T15:30:14Z
dc.date.available2014-05-20T15:30:14Z
dc.date.created2014-05-20T15:30:14Z
dc.date.issued2006-02-15
dc.identifierThermochimica Acta. Amsterdam: Elsevier B.V., v. 441, n. 2, p. 124-126, 2006.
dc.identifier0040-6031
dc.identifierhttp://hdl.handle.net/11449/39667
dc.identifier10.1016/j.tca.2005.12.016
dc.identifierWOS:000235417100003
dc.description.abstractDifferential scanning calorimetry (DSC) was used to investigate entrapped water in poly(o-methoxyaniline) (POMA) in powder form. Two endothermic peaks were attributed to removal of water molecules that were adsorbed with distinct energies. By obtaining thermograms at various heating rates, we succeeded in applying Kissinger's approaches to estimate activation energies for the water adsorbed. The values obtained were ca. 25 and 53 kJ/mol, which correspond to H-bonding interactions, probably at the amine and imine centers of POMA, respectively. (C) 2005 Elsevier B.V. All rights reserved.
dc.languageeng
dc.publisherElsevier B.V.
dc.relationThermochimica Acta
dc.relation2.189
dc.relation0,605
dc.rightsAcesso restrito
dc.sourceWeb of Science
dc.subjectpoly(o-methoxyaniline)
dc.subjectH-bonding
dc.subjectentrapped water
dc.subjectdifferential scanning calorimetry
dc.titleH-bonding in entrapped water in poly(o-methoxyaniline): Results from a differential scanning calorimetry study
dc.typeArtículos de revistas


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