METHOD FOR PREPARING A PEROXIDE BASED BLEACH PREPARATION AND METHOD FOR PREPARING SOLID BLEACH CONCENTRATES

摘要

A process for activating a peroxide-based bleaching agent, comprising incorporating in an aqueous medium: (a) a bleaching agent based on peroxide, (b) an amount of cyanamide and/or a metal cyanamide to activate the peroxide, and, optionally, (c) a metal compound of group iia, and wherein the aqueous medium is optionally maintained alkaline, by incorporating a buffering agent therein, provided that the component ( b) is cyanamide and component (c) is absent, the aqueous medium is maintained at a ph higher than 7.5. (Machine-translation by Google Translate, not legally binding)