Author K. Henning
Journal Edition sofw journal 6-2022

Abstract

T o prevent colour fading or colour changes of dyed textiles in the washing process, up to 5% by weight of colour care additives are added to the laundry softener containing from 2 to 40% by weight of fabric softeners. This contains a mixture of polyvinylpyrrolidone-vinylimidazole copolymer, ammonium chloride and/or PE, PEI salt or mixtures thereof. The optimum ratio of ammonium chloride to polyvinylpyrrolidone-vinylimidazole copolymer may be 1:2 to 1:6 for improved stability.

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