Non-isothermal melt crystallization kinetics of poly(3-hydroxybutyrate), poly(butylene adipate-co-terephthalate) and its mixture

dc.contributor.authorIto, Edson Noriyuki
dc.contributor.authorCosta, Anna Raffaela Matos
dc.contributor.authorCavalho, Laura Hecker
dc.contributor.authorCanedo, Eduardo Luís
dc.date.accessioned2021-09-21T13:10:40Z
dc.date.available2021-09-21T13:10:40Z
dc.date.issued2019
dc.description.resumoNonisothermal crystallization and melting of the biodegradable thermoplastics poly(3-hydroxybutyrate) (PHB), poly(butylene adipate-co-terephthalate) (PBAT), and a 1:1 PHB/PBAT blend were investigated by differential scanning calorimetry (DSC) over an extensive range of heating/cooling rates (2 to 64°C/min). The different phase transition behavior of the neat components was reflected in the mixture and suggest an immiscible blend. Pseudo-Avrami, Ozawa and Mo classical macrokinetic models were used to describe the evolution of the melt crystallization process. Results suggest that none of these models could be used to predict the experimental results of crystallization kinetics of the blend with sufficient precision for polymer processing applications. However, some methods may be of used for the neat resins over restricted ranges of cooling rate, temperature or conversion (e.g., Ozawa for PHB at low cooling rate, Mo for PBAT)pt_BR
dc.identifier.citationCOSTA, Anna Raffaela Matos; ITO, Edson Noryuki; CAVALHO, Laura Hecker; CANEDO, Eduardo Luís. Non-isothermal melt crystallization kinetics of poly(3-hydroxybutyrate), poly(butylene adipate-co-terephthalate) and its mixture. Polímeros, [S.L.], v. 29, n. 1, p. 1-16, 2019. Disponível em: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282019000100405&tlng=en. Acesso em: 31 dez. 2020. http://dx.doi.org/10.1590/0104-1428.11217.pt_BR
dc.identifier.doi10.1590/0104-1428.11217
dc.identifier.issn0104-1428
dc.identifier.issn1678-5169
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/37356
dc.languageenpt_BR
dc.publisherAssociação Brasileira de Polímerospt_BR
dc.rightsAttribution 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/br/*
dc.subjectPHBpt_BR
dc.subjectPBATpt_BR
dc.subjectBlendspt_BR
dc.subjectCrystallization kineticspt_BR
dc.titleNon-isothermal melt crystallization kinetics of poly(3-hydroxybutyrate), poly(butylene adipate-co-terephthalate) and its mixturept_BR
dc.typearticlept_BR

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