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    • 86. 发明授权
    • Thickened aqueous prewash composition
    • 增稠的含水预洗组合物
    • US4648987A
    • 1987-03-10
    • US701368
    • 1985-02-13
    • William L. SmithBarbara H. Munk
    • William L. SmithBarbara H. Munk
    • C11D1/72C11D1/825C11D3/22C11D3/34C11D1/831C11D3/14C11D3/37
    • C11D3/222C11D1/8255C11D1/72C11D3/3418
    • An aqueous laundry prewash composition includes a cosurfactant system with a hydrophobic nonionic surfactant and a hydrophilic nonionic surfactant providing balanced detergency, a hydrotrope for stabilizing the cosurfactant system, a thickener and water forming the balance of the composition. A thickened aqueous laundry prewash composition is also disclosed including a surfactant system, water and a thickener being xanthan gum to develop a pourable product wherein shear caused by dispensing of the composition tends to reduce its viscosity. An aqueous laundry prewash composition thickened in a similar manner maintains in suspension an insoluble particle component to further enhance prewash characteristics.
    • 水性衣物预洗组合物包括具有疏水性非离子表面活性剂的辅助表面活性剂体系和提供平衡去污力的亲水非离子表面活性剂,用于稳定辅助表面活性剂体系的水溶助长剂,形成组合物余量的增稠剂和水。 还公开了一种增稠的含水衣物预洗组合物,其包括表面活性剂体系,水和作为黄原胶的增稠剂以形成可倾倒产物,其中通过分配组合物引起的剪切倾向于降低其粘度。 以类似方式增稠的水性衣物预洗组合物在悬浮液中保持不溶性颗粒组分以进一步增强预洗特性。