Performance Enhancement of Biopolyester Blends by Reactive Compatibilization with Maleic Anhydride-Grafted Poly(butylene succinate-co-adipate)

Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) is a very promising biodegradable copolyester of high interest in food packaging. Its inherent brittleness and narrow processing window make it necessary to blend it with flexible biopolyesters, such as poly(butylene succinate-co-adipate) (PBSA). H...

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Autores: Samaniego Aguilar, Kerly, Sánchez Safont, Estefanía, Pisa-Ripoll, Ignacio, Torres Giner, Sergio, Flores, Yaiza, Lagarón Cabello, José María, Cabedo, Luis, Gámez Pérez, José
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2024
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/367024
Acceso en línea:http://hdl.handle.net/10261/367024
Access Level:acceso abierto
Palabra clave:Poly(hydroxybutyrate-co-hydroxyvalerate)
Poly(butylene succinate-co-butylene adipate)
Polymer blend
Maleic anhydride grafting
Reactive extrusion
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spelling Performance Enhancement of Biopolyester Blends by Reactive Compatibilization with Maleic Anhydride-Grafted Poly(butylene succinate-co-adipate)Samaniego Aguilar, KerlySánchez Safont, EstefaníaPisa-Ripoll, IgnacioTorres Giner, SergioFlores, YaizaLagarón Cabello, José MaríaCabedo, LuisGámez Pérez, JoséPoly(hydroxybutyrate-co-hydroxyvalerate)Poly(butylene succinate-co-butylene adipate)Polymer blendMaleic anhydride graftingReactive extrusionPoly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) is a very promising biodegradable copolyester of high interest in food packaging. Its inherent brittleness and narrow processing window make it necessary to blend it with flexible biopolyesters, such as poly(butylene succinate-co-adipate) (PBSA). However, the resultant biopolyester blends are thermodynamically immiscible, which impairs their performance and limits their applications. This study is the first to explore the use of poly(butylene succinate-co-adipate) grafted with maleic anhydride (PBS-g-MAH) as a novel reactive additive to compatibilize PHBV/PBSA blends. The compatibilizer was prepared by a reactive melt-mixing process of PBSA and maleic anhydride (MAH) using dicumyl peroxide (DCP) as an organic radical initiator, achieving a grafting degree (Gd) of 5.4%. Biopolyester blend films were thereafter prepared via cast extrusion and their morphological, thermal, mechanical, and barrier properties were characterized. Compatibilization by PBSA-g-MAH was confirmed by observing an improved phase interaction and lower dispersed domain sizes in the blends with 15 wt% PBSA. These compatibilized PHBV/PBSA blends were thermally stable up to 285 °C, showed enhanced ductility and toughness, as well as providing an improved barrier against water and limonene vapors and oxygen. These findings suggest that the use of MAH-grafted biopolyesters can represent an effective strategy to improve the properties of biopolyester blends and open up new opportunities for the application of PHBV-based formulations for food packaging.This research was supported by MCIN/AEI/10.13039/501100011033 and FEDER “Una manera de hacer Europa”, project number PID2021-128749OB-C32. This work is also part of the project PDC2022-134006-C22, funded by MCIN/AEI/10.13039/501100011033 and by the “European Union NextGenerationEU/PRTR”. Kerly Samaniego Aguilar would like to acknowledge MCIN/AEI/10.13039/501100011033 and FSE “El FSE invierte en tu futuro” for her FPI fellowship (PRE2019-091448). S.T.-G. acknowledges MICI for his Ramón y Cajal contract (RYC2019-027784-I).Peer reviewedMultidisciplinary Digital Publishing InstituteEuropean CommissionMinisterio de Ciencia, Innovación y Universidades (España)Agencia Estatal de Investigación (España)Ministerio de Ciencia e Innovación (España)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2024202420242024info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/367024reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-128749OB-C32info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PDC2022-134006-C22info:eu-repo/grantAgreement/AEI//PRE2019-091448info:eu-repo/grantAgreement/AEI//RYC2019-027784-Ihttps://doi.org/10.3390/polym16162325Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3670242026-05-22T06:33:51Z
dc.title.none.fl_str_mv Performance Enhancement of Biopolyester Blends by Reactive Compatibilization with Maleic Anhydride-Grafted Poly(butylene succinate-co-adipate)
title Performance Enhancement of Biopolyester Blends by Reactive Compatibilization with Maleic Anhydride-Grafted Poly(butylene succinate-co-adipate)
spellingShingle Performance Enhancement of Biopolyester Blends by Reactive Compatibilization with Maleic Anhydride-Grafted Poly(butylene succinate-co-adipate)
Samaniego Aguilar, Kerly
Poly(hydroxybutyrate-co-hydroxyvalerate)
Poly(butylene succinate-co-butylene adipate)
Polymer blend
Maleic anhydride grafting
Reactive extrusion
title_short Performance Enhancement of Biopolyester Blends by Reactive Compatibilization with Maleic Anhydride-Grafted Poly(butylene succinate-co-adipate)
title_full Performance Enhancement of Biopolyester Blends by Reactive Compatibilization with Maleic Anhydride-Grafted Poly(butylene succinate-co-adipate)
title_fullStr Performance Enhancement of Biopolyester Blends by Reactive Compatibilization with Maleic Anhydride-Grafted Poly(butylene succinate-co-adipate)
title_full_unstemmed Performance Enhancement of Biopolyester Blends by Reactive Compatibilization with Maleic Anhydride-Grafted Poly(butylene succinate-co-adipate)
title_sort Performance Enhancement of Biopolyester Blends by Reactive Compatibilization with Maleic Anhydride-Grafted Poly(butylene succinate-co-adipate)
dc.creator.none.fl_str_mv Samaniego Aguilar, Kerly
Sánchez Safont, Estefanía
Pisa-Ripoll, Ignacio
Torres Giner, Sergio
Flores, Yaiza
Lagarón Cabello, José María
Cabedo, Luis
Gámez Pérez, José
author Samaniego Aguilar, Kerly
author_facet Samaniego Aguilar, Kerly
Sánchez Safont, Estefanía
Pisa-Ripoll, Ignacio
Torres Giner, Sergio
Flores, Yaiza
Lagarón Cabello, José María
Cabedo, Luis
Gámez Pérez, José
author_role author
author2 Sánchez Safont, Estefanía
Pisa-Ripoll, Ignacio
Torres Giner, Sergio
Flores, Yaiza
Lagarón Cabello, José María
Cabedo, Luis
Gámez Pérez, José
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv European Commission
Ministerio de Ciencia, Innovación y Universidades (España)
Agencia Estatal de Investigación (España)
Ministerio de Ciencia e Innovación (España)
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Poly(hydroxybutyrate-co-hydroxyvalerate)
Poly(butylene succinate-co-butylene adipate)
Polymer blend
Maleic anhydride grafting
Reactive extrusion
topic Poly(hydroxybutyrate-co-hydroxyvalerate)
Poly(butylene succinate-co-butylene adipate)
Polymer blend
Maleic anhydride grafting
Reactive extrusion
description Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) is a very promising biodegradable copolyester of high interest in food packaging. Its inherent brittleness and narrow processing window make it necessary to blend it with flexible biopolyesters, such as poly(butylene succinate-co-adipate) (PBSA). However, the resultant biopolyester blends are thermodynamically immiscible, which impairs their performance and limits their applications. This study is the first to explore the use of poly(butylene succinate-co-adipate) grafted with maleic anhydride (PBS-g-MAH) as a novel reactive additive to compatibilize PHBV/PBSA blends. The compatibilizer was prepared by a reactive melt-mixing process of PBSA and maleic anhydride (MAH) using dicumyl peroxide (DCP) as an organic radical initiator, achieving a grafting degree (Gd) of 5.4%. Biopolyester blend films were thereafter prepared via cast extrusion and their morphological, thermal, mechanical, and barrier properties were characterized. Compatibilization by PBSA-g-MAH was confirmed by observing an improved phase interaction and lower dispersed domain sizes in the blends with 15 wt% PBSA. These compatibilized PHBV/PBSA blends were thermally stable up to 285 °C, showed enhanced ductility and toughness, as well as providing an improved barrier against water and limonene vapors and oxygen. These findings suggest that the use of MAH-grafted biopolyesters can represent an effective strategy to improve the properties of biopolyester blends and open up new opportunities for the application of PHBV-based formulations for food packaging.
publishDate 2024
dc.date.none.fl_str_mv 2024
2024
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/367024
url http://hdl.handle.net/10261/367024
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
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info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-128749OB-C32
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PDC2022-134006-C22
info:eu-repo/grantAgreement/AEI//PRE2019-091448
info:eu-repo/grantAgreement/AEI//RYC2019-027784-I
https://doi.org/10.3390/polym16162325
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Multidisciplinary Digital Publishing Institute
publisher.none.fl_str_mv Multidisciplinary Digital Publishing Institute
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
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