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    • 86. 发明授权
    • Stable liquid detergent compositions with enchanced clay soil detergency
and anti-redeposition properties
    • 稳定的液体洗涤剂组合物具有增强的粘土污垢去污力和抗再沉积性能
    • US5049302A
    • 1991-09-17
    • US254467
    • 1988-10-06
    • Richard J. HollandOrnie K. BullardAlicia V. YorkDieter BoeckhWolfgang TrieseltPaul DiesselHans-Ulrich Jaeger
    • Richard J. HollandOrnie K. BullardAlicia V. YorkDieter BoeckhWolfgang TrieseltPaul DiesselHans-Ulrich Jaeger
    • C11D1/83C11D3/00C11D3/22C11D3/37
    • C11D1/83C11D3/0036C11D3/225C11D3/3788
    • A stable liquid detergent composition having improved clay soil detergency, clay soil anti-redeposition, oily soil anti-redeposition and soil release properties is disclosed. The detergent composition is comprised of an anionic surfactant, a nonionic surfactant, a hydrotrope, a graft copolymer of polyalkylene oxide and an ester monomer, and a nonionic cellulosic anti-redeposition agent. The graft copolymer is comprised of (a) a polyalkylene oxide based upon an alkylene oxide having from 2 to 4 carbon atoms having a molecular weight of 300 to 100,000 and, (b) at least one vinyl ester derived from a saturated monocarboxylic acid containing 1 to 6 carbon atoms, and/or methyl or ethyl ester of acrylic or meth-acrylic acid in a weight ratio of (a):(b) of from 1:0.2 to 1:10. The nonionic cellulosic anti-redeposition agent is preferably hydroxypropyl methylcellulose. There is a synergism between the nonionic anti-redeposition agent and the graft polyol which imparts improved clay soil detergency, clay anti-deposition and oily soil anti-redeposition properties to the detergent composition.
    • 公开了一种稳定的液体洗涤剂组合物,其具有改进的粘土污垢去污力,粘土污垢抗再沉积,油性土壤抗再沉积和脱土性质。 洗涤剂组合物由阴离子表面活性剂,非离子表面活性剂,水溶助长剂,聚环氧烷和酯单体的接枝共聚物和非离子纤维素抗再沉积剂组成。 接枝共聚物包含(a)基于分子量为300至100,000的具有2至4个碳原子的烯化氧的聚亚烷基氧化物,和(b)至少一种衍生自饱和一元羧酸的乙烯基酯,其含有1 至(6)个碳原子,和/或丙烯酸或甲基丙烯酸的甲酯或乙酯,重量比(a):(b)为1:0.2至1:10。 非离子纤维素抗再沉积剂优选为羟丙基甲基纤维素。 非离子抗再沉积剂和接枝多元醇之间存在协同作用,其赋予洗涤剂组合物改进的粘土污垢去污力,粘土抗沉积和油性土壤抗再沉积性能。