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Hyperbranched polyester polyol modified with polylactic acid as a compatibilizer for plasticized tapioca starch/polylactic acid blends

dc.contributor.authorMurillo Ruiz, Edwin Alberto
dc.contributor.authorMesias Alvarez, Ricardo Esteban
dc.date.accessioned2021-11-16T17:20:56Z
dc.date.available2021-11-16T17:20:56Z
dc.date.issued2018-03-15
dc.identifier.urihttp://repositorio.ufps.edu.co/handle/ufps/1010
dc.description.abstractA hyperbranched polyester polyol of the second generation (HBP2) was modified with polylactic acid (HBP2-g-PLA) and employed as a compatibilizer for plasticized tapioca starch (TPS)/polylactic acid (PLA) blends. The effect of the compatibilizer HBP2- g-PLA was evaluated in comparison to the control sample (TPS/PLA blend without HBP2-g-PLA). The torque value of the TPS/PLA blends with HBP2- g-PLA was lower than that of the control sample, while thermal stability and crystallinity followed opposite behavior. The glass transition temperature (Tg) and degree of crystallinity of the TPS/PLA blends with HBP2-g-PLA decreased with increasing mass fraction of HBP2-g-PLA. By scanning electron microscopy (SEM), it was observed that the morphology of the TPS/PLA blends with HBP2-g -PLA was more homogeneous than that of the control sample, confirming that HBP2- g-PLA acted as a compatibilizer and plasticizing agent to the TPS/PLA blends. Rheological analysis of the compatibilized TPS/PLA blends indicated the presence of microstructure.eng
dc.format.mimetypeapplication/pdfspa
dc.language.isoengspa
dc.publisherPolimerosspa
dc.relation.ispartofPolímeros
dc.rightsThis is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.eng
dc.sourcehttps://www.scielo.br/j/po/a/vpjvhFTJVymmHVJmr5SsGRN/?lang=enspa
dc.titleHyperbranched polyester polyol modified with polylactic acid as a compatibilizer for plasticized tapioca starch/polylactic acid blendseng
dc.typeArtículo de revistaspa
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dc.identifier.doihttps://doi.org/10.1590/0104-1428.09516
dc.publisher.placeBrasilia, Brasilspa
dc.relation.citationeditionVol.28 No.1.(2018)spa
dc.relation.citationendpage52spa
dc.relation.citationissue1 (2018)spa
dc.relation.citationstartpage44spa
dc.relation.citationvolume28spa
dc.relation.citesMesias, R., & Murillo, E. (2018). Hyperbranched polyester polyol modified with polylactic acid as a compatibilizer for plasticized tapioca starch/polylactic acid blends. Polímeros, 28, 44-52.
dc.relation.ispartofjournalJournal of Physics: Conference Seriesspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.creativecommonsAtribución 4.0 Internacional (CC BY 4.0)spa
dc.subject.proposalbiodegradable polymerseng
dc.subject.proposalhyperbranched polyestereng
dc.subject.proposalcompatibilizationeng
dc.subject.proposalthermoplastic starch/PLA blendeng
dc.subject.proposalpropertieseng
dc.type.coarhttp://purl.org/coar/resource_type/c_6501spa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/articlespa
dc.type.redcolhttp://purl.org/redcol/resource_type/ARTspa
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oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85spa
dc.type.versioninfo:eu-repo/semantics/publishedVersionspa


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