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Formulation of poly(butylene adipate-co-terephthalate)/caffeic acid composites for vegetable packaging applications

2025-11Artigo científico Acesso aberto
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datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
datacite.subject.sdg13:Ação Climática
dc.contributor.authorSana, Siva Sankar
dc.contributor.authorRiahi, Zohreh
dc.contributor.authorMishra, Vijayalaxmi
dc.contributor.authorKim, Jun Tae
dc.contributor.authorVadde, Ramakrishna
dc.contributor.authorBrandão, Pedro
dc.contributor.authorKim, Seong-Cheol
dc.contributor.authorFonte, Pedro
dc.date.accessioned2026-03-18T11:43:23Z
dc.date.available2026-03-18T11:43:23Z
dc.date.issued2025-11
dc.description.abstractPoly(butylene adipate-co-terephthalate) (PBAT) is widely used as a bioplastic owing to its commendable waterbarrier properties. In this work, PBAT was blended with caffeic acid (CA) (1–3 wt%) by solution mixing using chloroform as a solvent through solvent casting method. UV–Visible spectroscopy results show a decrease in transmittance from 100 % in PBAT to 6 % PBAT/3CA. The film’s elongation was notably improved with an increase in the CA ratio, reaching up to 1055.4 %. Moreover, the tensile strength experienced a significant enhancement upon the inclusion of CA (3 wt%) up to 25.5 MPa. The decrease in water vapor permeability (WVP) (3.05 ± 0.1 × 10− 11 g.m/m2 .Pa.s) and water contact angle (WCA) (60.5◦ ± 1.34◦) was observed in PBAT/3CA. PBAT film containing 3 wt% CA exhibited remarkable scavenging action against ABTS•+ and DPPH• , recording values of 100 % and 98.5 %, respectively. When subjected to testing against foodborne pathogens such as Escherichia coli (E. coli) and Listeria monocytogenes (L. monocytogenes), the fabricated films displayed excellent antibacterial activity. The active films comprising PBAT/CA possess the potential to serve as a synergistic solution for food packaging, combining the UV barrier property, mechanical properties, flexibility, peeling resistance, and renowned biodegradability of PBAT with the ability to repurpose industrial waste.eng
dc.identifier.doi10.1016/j.reactfunctpolym.2025.106413
dc.identifier.issn1381-5148
dc.identifier.urihttp://hdl.handle.net/10400.1/28466
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relationInstitute for Bioengineering and Biosciences
dc.relationInstitute for Bioengineering and Biosciences
dc.relationInstitute for Health and Bioeconomy
dc.relationCoimbra Chemistry Center
dc.relationCoimbra Chemistry Center
dc.relationEgas Moniz Interdisciplinary Research Center
dc.relation.ispartofReactive and Functional Polymers
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectPBAT
dc.subjectCaffeic acid
dc.subjectAntioxidant
dc.subjectAntibacterial
dc.subjectFood packing
dc.titleFormulation of poly(butylene adipate-co-terephthalate)/caffeic acid composites for vegetable packaging applicationseng
dc.typejournal article
dspace.entity.typePublication
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oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research
oaire.awardTitleInstitute for Bioengineering and Biosciences
oaire.awardTitleInstitute for Bioengineering and Biosciences
oaire.awardTitleInstitute for Health and Bioeconomy
oaire.awardTitleCoimbra Chemistry Center
oaire.awardTitleCoimbra Chemistry Center
oaire.awardTitleEgas Moniz Interdisciplinary Research Center
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oaire.citation.startPage106413
oaire.citation.titleReactive and Functional Polymers
oaire.citation.volume216
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