Although wool is a natural renewable fibre with a relatively low environmental impact for its production, a number of functional finishes are commonly applied to improve wool’s performance in knitted or woven garments or carpet. These finishes include those to improve fabric shrink-, flame- and insect -resistance, photo-stability and a number of treatments to improve wool carpet performance. The paper describes currently used treatments, their environmental problems and considers new, more environmentally -friendly alternatives under development.
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Ingham et al. (2012) studied this question.
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