Woollen Textile Changes Colour in the Sun

Australian researchers have developed woollen clothing that changes colour in the sun and blocks harmful UV rays. While other researchers have already developed colour-changing cotton and glass, this is the first time such photochromatic technology has been applied to wool. Tong Cheng, a PhD student from Deakin University, has created a polymer that is mixed with the photochromatic dye to trap its pigments. The polymer-dye mix is then used to colour the wool. The polymer also absorbs harmful UV rays and increases the fabric’s sun protection factor

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