Biobased Random Copolymers of Poly(Hexamethylene Furanoate) for Sustainable Food Packaging: Camphoric Acid as a Valuable Co-Monomer for Improved Mechanical Properties.
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| Title: | Biobased Random Copolymers of Poly(Hexamethylene Furanoate) for Sustainable Food Packaging: Camphoric Acid as a Valuable Co-Monomer for Improved Mechanical Properties. |
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| Authors: | Bianchi, Enrico1 (AUTHOR), Soccio, Michelina1,2 (AUTHOR), Siracusa, Valentina3 (AUTHOR), Gazzano, Massimo4 (AUTHOR), Lotti, Nadia1,2,5 (AUTHOR) nadia.lotti@unibo.it |
| Source: | Polymers (20734360). Jan2026, Vol. 18 Issue 2, p255. 19p. |
| Subjects: | Random copolymers, Camphoric acid, Thermal analysis, Permeability, Copolymers, Polycondensation, Food packaging, Mechanical behavior of materials |
| Abstract: | In recent years, the unsustainable consumption of fossil resources has been causing major ecological concerns, especially for the production of polymeric materials. 2,5-furandicarboxylic acid (FDCA) is one of the most appealing biobased chemical building blocks, because of its potential to replace the industrially widespread petrochemical, terephthalic acid. Camphoric acid (CA) is also an interesting biobased chemical derived from camphor, one of the most widespread fragrances. This work had the objective of combining CA, FDCA and biobased 1,6-hexanediol to synthesize random copolymers for sustainable food packaging applications by means of a solvent-free polycondensation process, obtaining poly(hexamethylene furanoate-co-camphorate)s (PHFC). The optimization of the synthesis made it possible to obtain high molecular weight polyesters with a percentage of camphoric acid up to 17 mol%, which could be compression-molded into films. They were subjected to molecular, structural, thermal and functional characterization via NMR, GPC, WAXS, DSC, and TGA analyses, as well as mechanical and gas permeability tests. Compared to the homopolymer of reference, it was possible to obtain higher flexibility, 430% higher elongation at break, and 223% higher toughness, with comparable, excellent gas permeability properties. Calorimetric evidence suggested that camphoric acid might have enhanced the formation of a partially ordered mesomorph phase in the copolymers under study. [ABSTRACT FROM AUTHOR] |
| Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
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| Header | DbId: egs DbLabel: Engineering Source An: 191214662 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Biobased Random Copolymers of Poly(Hexamethylene Furanoate) for Sustainable Food Packaging: Camphoric Acid as a Valuable Co-Monomer for Improved Mechanical Properties. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Bianchi%2C+Enrico%22">Bianchi, Enrico</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Soccio%2C+Michelina%22">Soccio, Michelina</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Siracusa%2C+Valentina%22">Siracusa, Valentina</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gazzano%2C+Massimo%22">Gazzano, Massimo</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lotti%2C+Nadia%22">Lotti, Nadia</searchLink><relatesTo>1,2,5</relatesTo> (AUTHOR)<i> nadia.lotti@unibo.it</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Polymers+%2820734360%29%22">Polymers (20734360)</searchLink>. Jan2026, Vol. 18 Issue 2, p255. 19p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Random+copolymers%22">Random copolymers</searchLink><br /><searchLink fieldCode="DE" term="%22Camphoric+acid%22">Camphoric acid</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+analysis%22">Thermal analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Permeability%22">Permeability</searchLink><br /><searchLink fieldCode="DE" term="%22Copolymers%22">Copolymers</searchLink><br /><searchLink fieldCode="DE" term="%22Polycondensation%22">Polycondensation</searchLink><br /><searchLink fieldCode="DE" term="%22Food+packaging%22">Food packaging</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: In recent years, the unsustainable consumption of fossil resources has been causing major ecological concerns, especially for the production of polymeric materials. 2,5-furandicarboxylic acid (FDCA) is one of the most appealing biobased chemical building blocks, because of its potential to replace the industrially widespread petrochemical, terephthalic acid. Camphoric acid (CA) is also an interesting biobased chemical derived from camphor, one of the most widespread fragrances. This work had the objective of combining CA, FDCA and biobased 1,6-hexanediol to synthesize random copolymers for sustainable food packaging applications by means of a solvent-free polycondensation process, obtaining poly(hexamethylene furanoate-co-camphorate)s (PHFC). The optimization of the synthesis made it possible to obtain high molecular weight polyesters with a percentage of camphoric acid up to 17 mol%, which could be compression-molded into films. They were subjected to molecular, structural, thermal and functional characterization via NMR, GPC, WAXS, DSC, and TGA analyses, as well as mechanical and gas permeability tests. Compared to the homopolymer of reference, it was possible to obtain higher flexibility, 430% higher elongation at break, and 223% higher toughness, with comparable, excellent gas permeability properties. Calorimetric evidence suggested that camphoric acid might have enhanced the formation of a partially ordered mesomorph phase in the copolymers under study. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.3390/polym18020255 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 19 StartPage: 255 Subjects: – SubjectFull: Random copolymers Type: general – SubjectFull: Camphoric acid Type: general – SubjectFull: Thermal analysis Type: general – SubjectFull: Permeability Type: general – SubjectFull: Copolymers Type: general – SubjectFull: Polycondensation Type: general – SubjectFull: Food packaging Type: general – SubjectFull: Mechanical behavior of materials Type: general Titles: – TitleFull: Biobased Random Copolymers of Poly(Hexamethylene Furanoate) for Sustainable Food Packaging: Camphoric Acid as a Valuable Co-Monomer for Improved Mechanical Properties. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Bianchi, Enrico – PersonEntity: Name: NameFull: Soccio, Michelina – PersonEntity: Name: NameFull: Siracusa, Valentina – PersonEntity: Name: NameFull: Gazzano, Massimo – PersonEntity: Name: NameFull: Lotti, Nadia IsPartOfRelationships: – BibEntity: Dates: – D: 15 M: 01 Text: Jan2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 20734360 Numbering: – Type: volume Value: 18 – Type: issue Value: 2 Titles: – TitleFull: Polymers (20734360) Type: main |
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