Abstract
Abstract Uncertainty concerning the colour damaging effect of new bleach systems often is a major hurdle for their market introduction. In this study we have therefore examined the colour damaging effect of various bleach activators, peracids and catalysts using a newly developed Reactive Dye Set. The trials were carried out according to ISO 105-C09 (diagnostic single wash test) and a similar test as well as the recently developed colour damage profile test (20 wash cycles). The results show that new bleach systems can differ significantly from conventional activators in their reactivity and selectivity towards the individual dyeings. Each system produces a characteristic damage profile. ISO 105-C09 appears not to be suitable for prediction of the effect of new bleach systems such as perimidic acids as well as all bleach catalysts.
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