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Elastane knit
Photo: Anna Edsberger

Circular recycling of polyester and polyurethane blended textile waste

This project aims to develop and evaluate a circular method for recycling polyester and polyurethane blended textile waste. The focus lies on regenerating polyester and polyurethane to promote a non-toxic environment and realize resource-efficient production of sustainable materials for the textile industry.

In this project, polyester and polyurethane (PU) will be chemically separated from a blended waste stream, and then both fractions will be depolymerized into monomers. The resulting monomers will be regenerated into their virgin polymers and used for textile applications, creating the possibility of closed-loop monomer recycling of this waste. 

As an integral part of the project, in alignment with the Swedish government’s aim for a non-toxic environment, chemical risks will be assessed alongside other environmental issues like climate change and eutrophication potential for each step. The environmental benefits and costs associated with the implementation of this recycling process will be examined through LCA.

Summary

Project name

PET/PU separation and recycling

Status

Active

Region

Västra Götaland Region

RISE role in project

Koordinator

Project start

Duration

3 år

Partner

Chalmers University of Technology

Funders

FORMAS

Project members

Anna Edsberger

Contact person

Anna Edsberger

Forskare

+46 10 228 46 62

Read more about Anna

Contact Anna
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Contact person

Zengwei Guo

Forskare

+46 10 228 48 10

Read more about Zengwei

Contact Zengwei
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