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    • 3. 发明授权
    • Shaped solid comprising oxidant bleach with encapsulate source of bleach
    • 包含氧化剂漂白剂的成形固体与包封漂白剂来源
    • US06589443B1
    • 2003-07-08
    • US08692987
    • 1996-08-07
    • Keith E. OlsonVictor F. Man
    • Keith E. OlsonVictor F. Man
    • C01B1100
    • C11D3/3955C11D3/3953C11D17/0065Y10T428/2989
    • Aqueous bleach solutions can be made by directing a spray of water onto a bulk or shaped solid (brick, tablet, block, etc.) comprising a continuous solid phase of an encapsulated source of an active halogen bleach or a solid comprising a source of an oxidizing active halogen bleach, and an encapsulated oxidizing halogen bleach source. Such shaped solids can be used to dispense uniform quantities of an aqueous bleach concentrate to bleaching locus such as a washing machine. The tablets can be made from the encapsulated bleach or from a powder mixture of a particulate, granulated or powdered unencapsulated source of active oxidizing bleach and an encapsulated source of active oxidizing bleach by forming the powder mixture into a desired shape. Such a shaped solid bleach can be packaged in a container and can then be contacted with an aqueous spray in a dispenser to create a solution of active bleach for cleaning bleaching processes. The presence of the encapsulate in the solid with the powder reduces the tendency of the solid to absorb water which can be wicked through the solid to pass water through the solid into adjacent solids. Substantial proportions of absorbed water can cause the tablets to crack, crumble and to periodically dispense uneven, substantially large and undesirable concentrations of active bleach into a wash or bleach cycle. Such large amounts of halogen can cause corrosion of metal machine or dispenser parts, clothing damage, can cause pinholing or other fabric damage, can result in color loss or change, or can result in other undesirable effects in either the dispenser, washing machine or the cleaned item.
    • 水性漂白溶液可以通过将水的喷雾引入到包含活性卤素漂白剂或包含源的活性卤素漂白剂或固体的固体的连续固相的块状或成形固体(砖,片剂,块状物等)上来制备。 氧化活性卤素漂白剂和封装的氧化性卤素漂白源。 这种成形固体可用于将均匀量的漂白漂白浓缩物分配到漂白场所如洗衣机中。 片剂可以通过将粉末混合物形成所需形状,由包封的漂白剂或来自活性氧化漂白剂的颗粒状,颗粒状或粉末状未包封源的活性氧化漂白剂的粉末混合物制成。 这种成型的固体漂白剂可以包装在容器中,然后可以与分配器中的水性喷雾接触,以产生用于清洁漂白过程的活性漂白剂的溶液。 用粉末将固体包封的存在降低了固体吸收水的倾向,该水可以通过固体被弄脏,以使水通过固体进入相邻的固体。 大量吸收的水可导致片剂破裂,破碎并定期地将不均匀的,基本上大的和不希望的浓度的活性漂白剂分配到洗涤或漂白循环中。 如此大量的卤素会导致金属机器或分配器部件的腐蚀,衣物损坏,可能导致针孔或其他织物损坏,可能导致颜色损失或变化,或可能导致分配器,洗衣机或 清洁的项目。