Researchers say a recoverable thymol and menthol medium can colour polyester at lower temperatures while reducing auxiliary use
SHANGHAI — Researchers at Donghua University have developed a recoverable dyeing medium for polyethylene terephthalate (PET) that they say achieved effective colouration at 120°C - 10°C below a conventional benchmark.
The work, published in Sustainable Materials and Technologies, aims to address dyeing’s dependence on high heat, water and auxiliary chemicals.
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