Organocatalyzed Closed-Loop Chemical Recycling of Thermo-Compressed Food Packaging Films of Poly(ethylene furanoate)

doi:10.26434/chemrxiv.12727388.v1

Paper

Organocatalyzed Closed-Loop Chemical Recycling of Thermo-Compressed Food Packaging Films of Poly(ethylene furanoate)

Published Jul 29, 2020 · Elena Gabirondo, Beatriz Meléndez-Rodríguez, Carmen Arnal

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0

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Abstract

Monomers derived from renewable feedstocks have emerged as a novel sustainable alternative to petrochemical polymers. One of the biomass derived polymers that is recently gaining attention for food packaging applications is poly(ethylene furanoate) (PEF). However, PEF is not biodegradable and its end-of-life options must be considered in order to avoid contributing to the accumulation of plastic waste. In this paper, after analyzing the suitability of PEF for packaging applications using an industrially relevant film-processing method, the chemical glycolysis of PEF was investigated using a thermally stable acid-base organocatalyst. After succesfully deconstructing the PEF films into bis(2-hydroxyethyl)-furan-2,5-dicarboxylate (BHEF), the obtained BHEF was used to resynthesize PEF using the same organocatalyst to sucessfully generate a biopolymer with similar chemical and thermal properties to virgin PEF following a closed-loop cycle according to the Circular Economy principles.

Study Snapshot

This study successfully deconstructed PEF food packaging films using an organocatalyst, resulting in a biopolymer with similar chemical and thermal properties to virgin PEF, promoting a circular economy approach.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

Organocatalyzed Closed-Loop Chemical Recycling of Thermo-Compressed Food Packaging Films of Poly(ethylene furanoate)

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References

Citations

Study on Impact of Monomers Towards High Molecular Weight Bio-Based Poly(ethylene Furanoate) via Solid State Polymerization Technique

Solid-state polymerization (SSP) effectively synthesizes high-molecular-weight bio-based poly(ethylene furanoate) with improved melting temperature, crystallinity, and intrinsic viscosity, making it a promising alternative to fossil-based polymers.

The Road to Bring FDCA and PEF to the Market

Avantium's YXY® plants-to-plastics Technology successfully converts plant-based sugars into FDCA, a key building block for PEF, a sustainable, highly recyclable plastic with superior performance properties compared to petroleum-based packaging materials.

Towards High Molecular Weight Furan-Based Polyesters: Solid State Polymerization Study of Bio-Based Poly(Propylene Furanoate) and Poly(Butylene Furanoate)

Increasing solid-state polycondensation time and temperature leads to higher molecular weight, intrinsic viscosity, and reduced carboxyl end-group content in bio-based poly(propylene furanoate) and poly(butylene furanoate).