Valorization of Municipal Biowaste into Electrospun Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Biopapers for Food Packaging Applications
The present study reports on the production and characterization of a new biopackaging material made of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) derived from municipal biowaste (MBW) and produced by the mixed bacterial culture technology. After purification and extraction, the MBW-derived PHBV was processed by electrospinning to yield defect-free ultrathin fibers, which were thermally post-treated. Annealing at 130 °C, well below the biopolymer’s melting temperature (Tm), successfully yielded a continuous film resulting from coalescence of the electrospun fibrillar morphology, the so-called biopaper, exhibiting enhanced optical and color properties compared to traditional melt compounding routes. The crystallinity and crystalline morphology were comprehensively studied as a function of temperature by attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy and combined time-resolved synchrotron small- and wide-angle X-ray scattering (SAXS and WAXS) experiments, which clearly indicated that the molecular order within the copolyester was improved up to a maximum at 130 °C, and then it decreased at the biopolymer’s Tm. It was hypothesized that by annealing at the temperature at which the thermally induced molecular order is maximized, the fibers generated sufficient mobility to align alongside, hence reducing surface energy and porosity. The data suggest that this material shows a good balance between enhanced mechanical and improved barrier properties to vapors and gases in comparison to traditional paper and other currently used petroleum-derived polymers, thus presenting significant potential to be part of innovative food biopackaging designs for the protection and preservation of foods in a circular bioeconomy scenario.
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American Chemical Society
2020-08-25
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Subjects: | PHBV, Electrospinning, Biopapers, Waste valorization, Food packaging, Circular Bioeconomy, |
Online Access: | http://hdl.handle.net/10261/224488 http://dx.doi.org/10.13039/501100000780 |
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dig-iata-es-10261-2244882024-05-16T10:15:42Z Valorization of Municipal Biowaste into Electrospun Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Biopapers for Food Packaging Applications Meléndez-Rodríguez, Beatriz Torres Giner, Sergio Lorini, L. Valentino, F. Sammon, C. Cabedo, Luis Lagarón Cabello, José María Ministerio de Ciencia, Innovación y Universidades (España) European Commission ALBA Synchrotron PHBV Electrospinning Biopapers Waste valorization Food packaging Circular Bioeconomy The present study reports on the production and characterization of a new biopackaging material made of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) derived from municipal biowaste (MBW) and produced by the mixed bacterial culture technology. After purification and extraction, the MBW-derived PHBV was processed by electrospinning to yield defect-free ultrathin fibers, which were thermally post-treated. Annealing at 130 °C, well below the biopolymer’s melting temperature (Tm), successfully yielded a continuous film resulting from coalescence of the electrospun fibrillar morphology, the so-called biopaper, exhibiting enhanced optical and color properties compared to traditional melt compounding routes. The crystallinity and crystalline morphology were comprehensively studied as a function of temperature by attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy and combined time-resolved synchrotron small- and wide-angle X-ray scattering (SAXS and WAXS) experiments, which clearly indicated that the molecular order within the copolyester was improved up to a maximum at 130 °C, and then it decreased at the biopolymer’s Tm. It was hypothesized that by annealing at the temperature at which the thermally induced molecular order is maximized, the fibers generated sufficient mobility to align alongside, hence reducing surface energy and porosity. The data suggest that this material shows a good balance between enhanced mechanical and improved barrier properties to vapors and gases in comparison to traditional paper and other currently used petroleum-derived polymers, thus presenting significant potential to be part of innovative food biopackaging designs for the protection and preservation of foods in a circular bioeconomy scenario. The Spanish Ministry of Science and Innovation (MICI) project RTI2018-097249-B-C21 and EU projects H2020 YPACK (reference number 773872) and H2020 USABLE (reference number 836884) are acknowledged for funding support. B.M.-R. and S.T.-G. would also like to thank MICI for the FPI fellowship (BES-2016-077972) and the Juan de la Cierva–Incorporación contract (IJCI-2016-29675), respectively. The ALBA Synchrotron, Spain, is also acknowledged for the funding received through the project proposal 2018022619. The authors also thank the “Unidad Asociada CSIC-UJI in Polymers Technology”. Peer reviewed 2020-12-08T15:35:59Z 2020-12-08T15:35:59Z 2020-08-25 artículo http://purl.org/coar/resource_type/c_6501 ACS Applied Bio Materials 3(9): 6110-6123 (2020) http://hdl.handle.net/10261/224488 10.1021/acsabm.0c00698 2576-6422 http://dx.doi.org/10.13039/501100000780 en #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 2017-2020/RTI2018-097249-B-C21 info:eu-repo/grantAgreement/EC/H2020/773872 info:eu-repo/grantAgreement/EC/H2020/836884 Postprint https://doi.org/10.1021/acsabm.0c00698 Sí open American Chemical Society |
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PHBV Electrospinning Biopapers Waste valorization Food packaging Circular Bioeconomy PHBV Electrospinning Biopapers Waste valorization Food packaging Circular Bioeconomy |
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PHBV Electrospinning Biopapers Waste valorization Food packaging Circular Bioeconomy PHBV Electrospinning Biopapers Waste valorization Food packaging Circular Bioeconomy Meléndez-Rodríguez, Beatriz Torres Giner, Sergio Lorini, L. Valentino, F. Sammon, C. Cabedo, Luis Lagarón Cabello, José María Valorization of Municipal Biowaste into Electrospun Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Biopapers for Food Packaging Applications |
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The present study reports on the production and characterization of a new biopackaging material made of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) derived from municipal biowaste (MBW) and produced by the mixed bacterial culture technology. After purification and extraction, the MBW-derived PHBV was processed by electrospinning to yield defect-free ultrathin fibers, which were thermally post-treated. Annealing at 130 °C, well below the biopolymer’s melting temperature (Tm), successfully yielded a continuous film resulting from coalescence of the electrospun fibrillar morphology, the so-called biopaper, exhibiting enhanced optical and color properties compared to traditional melt compounding routes. The crystallinity and crystalline morphology were comprehensively studied as a function of temperature by attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy and combined time-resolved synchrotron small- and wide-angle X-ray scattering (SAXS and WAXS) experiments, which clearly indicated that the molecular order within the copolyester was improved up to a maximum at 130 °C, and then it decreased at the biopolymer’s Tm. It was hypothesized that by annealing at the temperature at which the thermally induced molecular order is maximized, the fibers generated sufficient mobility to align alongside, hence reducing surface energy and porosity. The data suggest that this material shows a good balance between enhanced mechanical and improved barrier properties to vapors and gases in comparison to traditional paper and other currently used petroleum-derived polymers, thus presenting significant potential to be part of innovative food biopackaging designs for the protection and preservation of foods in a circular bioeconomy scenario. |
author2 |
Ministerio de Ciencia, Innovación y Universidades (España) |
author_facet |
Ministerio de Ciencia, Innovación y Universidades (España) Meléndez-Rodríguez, Beatriz Torres Giner, Sergio Lorini, L. Valentino, F. Sammon, C. Cabedo, Luis Lagarón Cabello, José María |
format |
artículo |
topic_facet |
PHBV Electrospinning Biopapers Waste valorization Food packaging Circular Bioeconomy |
author |
Meléndez-Rodríguez, Beatriz Torres Giner, Sergio Lorini, L. Valentino, F. Sammon, C. Cabedo, Luis Lagarón Cabello, José María |
author_sort |
Meléndez-Rodríguez, Beatriz |
title |
Valorization of Municipal Biowaste into Electrospun Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Biopapers for Food Packaging Applications |
title_short |
Valorization of Municipal Biowaste into Electrospun Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Biopapers for Food Packaging Applications |
title_full |
Valorization of Municipal Biowaste into Electrospun Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Biopapers for Food Packaging Applications |
title_fullStr |
Valorization of Municipal Biowaste into Electrospun Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Biopapers for Food Packaging Applications |
title_full_unstemmed |
Valorization of Municipal Biowaste into Electrospun Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Biopapers for Food Packaging Applications |
title_sort |
valorization of municipal biowaste into electrospun poly(3-hydroxybutyrate-co-3-hydroxyvalerate) biopapers for food packaging applications |
publisher |
American Chemical Society |
publishDate |
2020-08-25 |
url |
http://hdl.handle.net/10261/224488 http://dx.doi.org/10.13039/501100000780 |
work_keys_str_mv |
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