首页> 外文期刊>Journal of Surfactants and Detergents >Microemulsion Formation and Detergency with Oily Soils: II. Detergency Formulation and Performance
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Microemulsion Formation and Detergency with Oily Soils: II. Detergency Formulation and Performance

机译:油性土壤的微乳液形成和去污力:II。洗涤剂配方和性能

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摘要

In part I of this series (J. Surfact. Deterg. 6, 191-203, 2003), the mixed surfactant system of sodium dioctyl sulfosuccinate (AOT), alkyl diphenyl oxide disulfonate (ADPODS) and sorbitan monooleate (Span 80) was shown to form Winsor type I type III microemulsions with hexadecane and motor oil. In addition, high solubilization and low interfacial tension were obtained between the oils and surfactant solutions both in the supersolubilization region (Winsor type I system close to type III system) and at optimal conditions in a type III system. In the present study, this mixed surfactant system was applied to remove oily soil from fabric (a polyester/cotton blend), and de tergency results were correlated to phase behavior. Dynamic interfacial tensions were also measured between the oils and washing solutions. In the supersolubilization and in the middle-phase regions (type III), much better detergency performance was found for both exadecane and motor oil removal than that with a commercial liquid detergent product. In addition, the detergency performance of our system at low temperature (25 deg C) was close to that obtained at high temperature (55 deg C), consistent with the temperature robustness of the microemulsion phase behavior of this system.
机译:在本系列的第I部分(J. Surfact。Deterg。6,191-203,2003)中,显示了二辛基磺基琥珀酸钠(AOT),烷基二苯醚二磺酸二烷基酯(ADPODS)和脱水山梨醇单油酸酯(Span 80)的混合表面活性剂体系与十六烷和机油形成Winsor I型III型微乳液。此外,在超增溶区域(Winsor I型系统接近III型系统)和在III型系统中的最佳条件下,在油和表面活性剂溶液之间均获得了高溶解度和低界面张力。在本研究中,该混合表面活性剂体系用于从织物(聚酯/棉混纺)上去除油性污垢,其去污力结果与相行为相关。还测量了油和洗涤溶液之间的动态界面张力。在超增溶作用和中间相区域(III型)中,与商业液体洗涤剂产品相比,已发现石蜡和机油的去污性能都更好。另外,我们的系统在低温(25摄氏度)下的去污性能接近高温(55摄氏度)下的去污性能,这与该系统微乳液相行为的温度稳健性一致。

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