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From food waste to eco-friendly functionalized polymer composites: Investigation of orange peels as active filler.
Pagliarini, Elia; Minichiello, Carmen; Sisti, Laura; Totaro, Grazia; Baffoni, Loredana; Di Gioia, Diana; Saccani, Andrea.
Afiliación
  • Pagliarini E; Dipartimento di Scienze e Tecnologie Agro-Alimentari, Università di Bologna, Via Fanin 40, Bologna, Italy.
  • Minichiello C; Dipartimento di Ingegneria Civile, Chimica, Ambientale e dei Materiali, Università di Bologna, Via Terracini 28, 40131 Bologna, Italy.
  • Sisti L; Dipartimento di Ingegneria Civile, Chimica, Ambientale e dei Materiali, Università di Bologna, Via Terracini 28, 40131 Bologna, Italy. Electronic address: laura.sisti@unibo.it.
  • Totaro G; Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via G. Moruzzi 13, 56124 Pisa, Italy.
  • Baffoni L; Dipartimento di Scienze e Tecnologie Agro-Alimentari, Università di Bologna, Via Fanin 40, Bologna, Italy.
  • Di Gioia D; Dipartimento di Scienze e Tecnologie Agro-Alimentari, Università di Bologna, Via Fanin 40, Bologna, Italy.
  • Saccani A; Dipartimento di Ingegneria Civile, Chimica, Ambientale e dei Materiali, Università di Bologna, Via Terracini 28, 40131 Bologna, Italy.
N Biotechnol ; 80: 37-45, 2024 May 25.
Article en En | MEDLINE | ID: mdl-38253287
ABSTRACT
The development of eco-friendly polymer composites with multifunctional properties aligns with the goals of the circular economy agenda, which aims to minimize waste and promote the sustainable use of resources by closing the loop of product life cycles. Eco-friendly polymer composites play a crucial role in achieving these objectives. The present work focuses on the preparation of fully biobased blends obtained by melt mixing a bio-polyester, poly(butylene succinate-co-adipate) (PBSA), with orange peels up to 20 wt%, to yield active polymer composites. Orange peels, employed here as natural filler, are largely available from food wastes, they are rich in phenolic compounds and possess antioxidant activity as shown by the experimental tests carried out. The thermal stability of the formulated composites is almost unchanged by the filler addition, showing only a slight decrease of the crystallization temperatures and crystalline fraction within the composites. The mechanical properties of the compounds evidence an increase in the elastic modulus together with a decrease in the tensile strength, while the elongation at break remains almost constant. The incorporation of the natural filler enabled the integration of antioxidant and antibacterial properties, which were absent in the original pristine polymer.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Eliminación de Residuos / Citrus sinensis Idioma: En Revista: N Biotechnol Asunto de la revista: BIOLOGIA MOLECULAR / ENGENHARIA BIOMEDICA Año: 2024 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Países Bajos
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Eliminación de Residuos / Citrus sinensis Idioma: En Revista: N Biotechnol Asunto de la revista: BIOLOGIA MOLECULAR / ENGENHARIA BIOMEDICA Año: 2024 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Países Bajos