Chemical recycling of polyester textile wastes: shifting towards sustainability

El Darai, Théo; Ter-Halle, Alexandra; Blanzat, Muriel; Despras, Guillaume; Sartor, Valérie; Bordeau, Guillaume; Lattes, Armand; Franceschi, Sophie; Cassel, Stéphanie; Chouini-Lalanne, Nadia; Perez, Emile; Déjugnat, Christophe; Garrigues, Jean-Christophe

doi:10.1039/d4gc00911h

Green Chem.

2024

DOI: 10.1039/d4gc00911h

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Chemical recycling of polyester textile wastes: shifting towards sustainability

Théo El Darai,

Alexandra Ter-Halle,

Muriel Blanzat

et al.

Abstract: Amongst all synthetic polymers used in the clothing industry, polyethylene terephthalate (PET) is the most widely used polyester, its fibres representing half the total PET global market (in comparison bottle...

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Cited by 14 publications

References 305 publications

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The Upcycling of Polyester Fabric for High‐Performance HDPE/WPET Composites via Solid‐State Drawing

Li,

Du,

Yang

2024

J of Applied Polymer Sci

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Polyester is the most widely used synthetic fiber globally. However, recycled products from waste polyester textiles (WPET) often suffer from poor performance and low value. This paper introduces solid‐state shear milling technology (S3M) to transform WPET into ultrafine fiber powder with a high aspect ratio, followed by solid‐state drawing processing producing to produce high performance HDPE/WPET composites. Compared with the pure high density, the flexural strength of WPET with 15% content increased to 24.94 MPa, while the tensile modulus and flexural modulus increased to 507 and 798 MPa, respectively, and the prestretched sheet with good performance was prepared. At a solid‐state drawing ratio of 6, the composite exhibited an impressive tensile strength of 116.8 MPa, representing a 600% increase compared to unstretched samples. Additionally, the in‐plane thermal conductivity reached 2.89 W/mK, which was 438% higher than unstretched samples. SAXS and 2D‐WAXD analyses demonstrated that high solid‐state drawing enhanced the orientation of WPET fibers and HDPE, forming an oriented structure. This led to composite crystallinity and orientation levels of 63.7% and 93%, respectively. This study has represented a novel approach to producing high‐performance functional products from dye‐containing polyester fabrics without requiring separation or physical recovery processes.

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The Upcycling of Polyester Fabric for High‐Performance HDPE/WPET Composites via Solid‐State Drawing

Li,

Du,

Yang

2024

J of Applied Polymer Sci

View full text Add to dashboard Cite

show abstract

Iminodiacetic acid enhances the mechanical and degradation properties of copolyesters by hydrogen bonding and branching

Xu,

Shen,

Zeng

et al. 2025

Polymer Degradation and Stability

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Synthesis and properties of biodegradable PBAT prepared from PBT chemically recycled resources

Jiang,

Hou,

Chen

et al. 2024

Polymer

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Chemical recycling of polyester textile wastes: shifting towards sustainability

Abstract: Amongst all synthetic polymers used in the clothing industry, polyethylene terephthalate (PET) is the most widely used polyester, its fibres representing half the total PET global market (in comparison bottle...

Cited by 14 publications

References 305 publications

The Upcycling of Polyester Fabric for High‐Performance HDPE/WPET Composites via Solid‐State Drawing

The Upcycling of Polyester Fabric for High‐Performance HDPE/WPET Composites via Solid‐State Drawing

Iminodiacetic acid enhances the mechanical and degradation properties of copolyesters by hydrogen bonding and branching

Synthesis and properties of biodegradable PBAT prepared from PBT chemically recycled resources

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