Polyester dyeing innovators target commercialisation

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University researchers behind reversible polyester dyeing process spin out as a startup as they attempt to reach industrial scale

LEEDS - Researchers behind an innovative CO₂-mediated reversable polyester dyeing chemistry have revealed details of their bid for scalability and commercialisation.

The 'SwitchDye' process, led by Professors Richard Blackburn and Chris Rayner, and PhD researchers Nat Crompton and Harrison Oates, allows polyester fibre to be dyed using minimal chemicals, drastically reduced water use and lower energy requirements.

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