| 摘要 |
PROBLEM TO BE SOLVED: To provide a powdered bleaching agent which can satisfy both excellent bleaching performance and good storage stability. SOLUTION: The powdered bleaching agent composition comprises (X) bleach-activating catalyst particles containing (A) a bleach-activating catalyst composed of a complex of a ligand having a structure represented by formula (I) (wherein X is hydrogen, a sulfonic acid group, an amino group, a hydroxyl group, a nitro group, a carboxyl group or an alkyl group which may be partially substituted; Y is hydrogen, an alkali metal or an alkaline earth metal; and p is an integer of 1 or 2 and when p is 2, X may be the same or different) bound with a transition metal, (B) a surface active agent, and (C) a binder compound and (Y) peroxide particles containing a peroxide which is dissolved in (E) water to generate hydrogen peroxide and has a content of the surface active agent in the entire composition of 0.2 mass% to less than 15 mass%. COPYRIGHT: (C)2008,JPO&INPIT
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