Interfacial tension of PBT/SAN blends by the drop retraction method

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dc.contributor.authorIto, Edson Noriyuki
dc.contributor.authorUeki, Marcelo Massayoshi
dc.contributor.authorBretas, Rosario Elida Suman
dc.contributor.authorHage Junior, Elias
dc.date.accessioned2021-09-22T20:07:10Z
dc.date.available2021-09-22T20:07:10Z
dc.date.issued2008-06
dc.description.resumoThe aim of this work was to evaluate the interfacial tension from the poly(butylene terephtalate) and poly(styrene-co-acrylonitrile) (PBT/SAN) interface region using the drop retraction method. SAN filaments were sandwiched between two PBT films; the whole system was heated up to 240 Ā°C, in a hot stage coupled to an optical microscope. The rheological parameters of the PBT/SAN system were obtained by parallel plates rheometry. An increase of the interfacial tension with the PBT molecular weight was observed with values between 0.57 and 1.06 mN/m, depending on the molecular weight. Theoretical values were calculated using the geometric-mean and harmonic-mean equations and were found to be similar to the experimental results. Viscosity measurements showed that the higher the SAN/PBT viscosity ratio, the lower the interfacial tension of these blendspt_BR
dc.identifier.citationITO, Edson Noriyuki; UEKI, Marcelo Massayoshi; BRETAS, Rosario Elida Suman; HAGE JUNIOR, Elias. Interfacial tension of PBT/SAN blends by the drop retraction method. Materials Research, [S.L.], v. 11, n. 2, p. 165-169, jun. 2008. DisponĆ­vel em: https://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392008000200009&lng=en&tlng=en. Acesso em: 07 jan. 2021. http://dx.doi.org/10.1590/s1516-14392008000200009.pt_BR
dc.identifier.doi10.1590/s1516-14392008000200009
dc.identifier.issn1516-1439
dc.identifier.issn1980-5373
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/37952
dc.languageenpt_BR
dc.publisherABM, ABC, ABPolpt_BR
dc.rightsAttribution-NonCommercial 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/3.0/br/*
dc.subjectInterfacial tensionpt_BR
dc.subjectDrop retraction methodpt_BR
dc.subjectPBT/SAN blendspt_BR
dc.titleInterfacial tension of PBT/SAN blends by the drop retraction methodpt_BR
dc.typearticlept_BR

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