Compound with granular core containing peroxy, their preparation method and purposes, and the preparation containing it

摘要

Have the present invention relates to particle including per-compound and hydrogen peroxide or peroxy acid can be discharged in aqueous solution, wherein per-compound of the particle comprising 10 to 99 % and coating alkali metal containing silicate and an aliphatic organic compound, or its salt is as chelating agent, the organic compound includes 2 to 10 carbon atoms and one or more carboxylic acid groups, wherein organic compound is not the salt and boric acid or borate of the citric acid of compound, tartaric acid, gluconic acid, glucosaccharic acid, ascorbic acid or above-mentioned acid. Advocate also to be these particles to further use these particles as bleaching agent, and the material exhibits comprising inert filler agent and/or one or more go out activity, also include above-mentioned particle washing with those by coating accordingly uncoated particle.