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    • 7. 发明授权
    • Light duty microemulsion liquid detergent composition
    • 轻型微乳液液体洗涤剂组合物
    • US5415812A
    • 1995-05-16
    • US96500
    • 1993-09-03
    • Patrick DurbutAmmanuel MehreteabMyriam MondinGuy Broze
    • Patrick DurbutAmmanuel MehreteabMyriam MondinGuy Broze
    • C11D1/14C11D1/29C11D1/62C11D1/65C11D17/00C11D1/12C11D3/44
    • C11D17/0021C11D1/65C11D1/14C11D1/29C11D1/62
    • A light duty microemulsion liquid detergent composition, useful for removing greasy soils from surfaces with both neat and diluted forms of the detergent composition, includes a moderately water soluble complex of anionic and cationic surfactants, in which complex the anionic and cationic moieties are in essentially equivalent or equimolar proportions, an anionic detergent, a co-surfactant, an organic solvent and water. Preferably, the complex component is one in which the anionic and cationic moieties include hydrophilic portions or substituents, in addition to the complex forming portions thereof, the anionic detergent is a mixture of higher paraffin sulfonate and higher alkyl polyoxyethylene sulfate, the co-surfactant is a polypropylene glycol ether, a poly-lower alkylene glycol lower alkyl ether or a poly-lower alkylene glycol lower alkanoyl ester, and the organic solvent is a non-polar oil, such as an isoparaffin, or an oil having polar properties, such as a lower fatty acid ester or a lower fatty alcohol ester. Also within the invention are the described complex, preferably one of equimolar proportions of sodium C.sub.12-14 alkyl diethoxy ether sulfate and C.sub.12-14 alkyl-bis(2-hydroxyethyl) methylammonium halide, and processes for manufacturing the liquid detergent composition and for removing grease from laundry and hard surfaces by use of such a liquid detergent composition, especially in neat form, in which latter process significantly improved cleaning results, compared to that obtained when using control detergent compositions.
    • 用于从清洁剂和稀释形式的洗涤剂组合物中除去表面的油脂污垢的轻质微乳液液体洗涤剂组合物包括阴离子和阳离子表面活性剂的中等水溶性络合物,其中阴离子和阳离子部分基本相同 或等摩尔比例,阴离子洗涤剂,辅助表面活性剂,有机溶剂和水。 优选地,复合组分是其中阴离子和阳离子部分包括亲水部分或取代基的组分,除了其复合物形成部分之外,阴离子洗涤剂是高级链烷烃磺酸盐和高级烷基聚氧乙烯硫酸盐的混合物,辅助表面活性剂是 聚丙二醇醚,聚低级亚烷基二醇低级烷基醚或聚低级亚烷基二醇低级烷酰基酯,有机溶剂是非极性油,例如异链烷烃或具有极性的油,例如 低级脂肪酸酯或低级脂肪醇酯。 本发明还涉及所述复合物,优选等摩尔比例的C 12-14烷基二乙氧基醚硫酸钠和C 12-14烷基 - 双(2-羟乙基)甲基卤化铵的复合物,以及制备液体洗涤剂组合物和除去油脂的方法 通过使用这种液体洗涤剂组合物,特别是纯净的形式,其中后者方法与使用对照洗涤剂组合物时获得的洗涤剂组合物相比显着地改善了清洗效果。