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    • 7. 发明公开
    • Bleaching compositions
    • 漂白组合物
    • EP0710712A1
    • 1996-05-08
    • EP95307285.7
    • 1995-10-13
    • THE PROCTER & GAMBLE COMPANY
    • Baillely, Gerard MarcelGuedira, Nour-EddineHall, Robin Gibson
    • C11D3/12C11D3/37C11D3/39
    • C11D3/3907C11D3/126
    • There is provided a bleaching composition containing a clay mineral compound and an oxygen-releasing bleach system comprising a hydrogen peroxide source and a peroxyacid bleach precursor compound selected from the group consisting of
      (i) a perbenzoic acid, or non-cationic substituted derivative thereof, precursor compound;
      (ii) a cationic peroxyacid bleach precursor compound;
      and any mixtures thereof wherein the weight ratio of clay mineral compound to peroxyacid bleach precursor compound is from 10:1 to 1:5. The composition preferably contains additionally a clay flocculating agent. The composition is useful in the bleaching of stains from stained coloured fabrics. The clay mineral compound acts to inhibit the fading of the colour of said fabrics during the stain bleaching process.
    • 提供了一种含有粘土矿物质化合物和氧气释放漂白体系的漂白组合物,该体系包含过氧化氢源和过氧酸漂白剂前体化合物,所述过氧酸漂白剂前体化合物选自(i)过苯甲酸或其非取代的衍生物, 前体化合物; (ii)阳离子过氧酸漂白剂前体化合物; 以及其中粘土矿物质化合物与过氧酸漂白剂前体化合物的重量比为10:1至1:5的任何混合物。 该组合物优选还含有粘土絮凝剂。 该组合物可用于漂白染色有色织物的污渍。 粘土矿物质化合物在污点漂白过程中起抑制所述织物颜色褪色的作用。