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    • 4. 发明申请
    • LAUNDRY ADDITIVE PARTICLE HAVING MULTIPLE SURFACE COATINGS
    • 具有多种表面涂料的洗涤剂添加剂颗粒
    • WO1998012291A2
    • 1998-03-26
    • PCT/US1997004323
    • 1997-03-15
    • THE PROCTER & GAMBLE COMPANYSURUTZIDIS, AthanasiosLEBLANC, Michael, Jude
    • THE PROCTER & GAMBLE COMPANY
    • C11D03/00
    • C11D3/22C11D3/128C11D3/505C11D17/0034C11D17/0039
    • A laundry additive particle having multiple coatings and compositions employing the particle are provided. The laundry additive particle comprises a porous carrier core material; a first encapsulating material coated on the core material to form an intermediate layer, the first encapsulating material comprising a glassy material derived from one or more at least partially water-soluble hydroxylic compounds having an anhydrous, nonplasticized, glass transition temperature, Tg, of at least about 0 DEG C; and a second encapsulating material coated on the intermediate layer to form an outer layer, the second encapsulating material comprising a carbohydrate material having an anhydrous, nonplasticized, glass transition temperature, Tg, of at least about 130 DEG C; and the laundry additive particle has a hygroscopicity value of less than about 80 %. Preferably, a laundry or cleaning agent such as a perfume is supported on or contained in the porous carrier.
    • 提供了具有多个涂层和使用该颗粒的组合物的洗衣添加剂颗粒。 衣物添加剂颗粒包括多孔载体芯材料; 涂覆在所述芯材料上以形成中间层的第一包封材料,所述第一包封材料包含衍生自一种或多种至少部分水溶性羟基化合物的玻璃状材料,所述羟基化合物具有无水,未增塑的玻璃化转变温度Tg, 至少约0℃; 以及涂覆在所述中间层上以形成外层的第二包封材料,所述第二包封材料包含具有至少约130℃的无水,未增塑的玻璃化转变温度Tg的碳水化合物材料; 并且洗衣添加剂颗粒的吸湿性值小于约80%。 优选地,诸如香料的衣物或清洁剂被支撑在或包含在多孔载体中。