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首页> 外文期刊>RSC Advances >The influence of organically intercalated montmorillonites on the interfacial tension and structure of oil-in-water nanoemulsions
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The influence of organically intercalated montmorillonites on the interfacial tension and structure of oil-in-water nanoemulsions

机译：有机嵌入式蒙脱石对油包水纳米乳液界面张力和结构的影响

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摘要

The properties of O/W emulsions can be improved by the addition of nanomaterials. To explore the influence of organically intercalated montmorillonites (OMts) on the properties of O/W emulsions, we introduced an OMt into a nanoemulsion as a co-stabilizer with the quaternary ammonium Gemini cationic surfactant (G16-2-16) and nonionic lauryl polyoxyethylene ether (Brij 30). The influence of the organically intercalated montmorillonite (OMt) on the properties, such as the interfacial tension, zeta potential, stability, conductivity and morphology of the droplets, of the nanoemulsions was investigated. The results indicate obvious synergistic effects of OMt with G16-2-16. At the concentration of 0.15% w/v G16-2-16, ultralow interfacial tension (IFT) of the O/W results in the formation of nanoemulsions in a much shorter time with 3.4 x 10(-3)% w/v OMt than that in the case of without OMt; however, at the concentration of 0.2% w/v G16-2-16, the interfacial tension of the O/W increased upon the addition of 3.4 x 10(-3)% w/v OMt. In addition, light transmission measurements showed that the transmission of the nanoemulsions varied with temperature, and the process was reversible. The mechanisms of these phenomena were analyzed and confirmed by TEM.
机译：O / W乳液的性能可通过加入纳米材料来改善。探索有机插层蒙脱石（OMTS）的O对的性能的影响/ W乳液，我们引入了一个OMT成纳米乳剂作为共稳定剂与季铵Gemini型阳离子表面活性剂（G16-2-16）和非离子型聚氧乙烯月桂基醚（30的Brij）。上的特性，如界面张力，ζ电势，稳定性，导电性和形态的液滴的有机插层蒙脱石（OMT）的影响，所述纳米乳剂的进行了研究。结果表明OMT与G16-2-16明显的协同效应。在0.15％w / v的G16-2-16的浓度，超低的O界面张力（IFT）/在短得多的时间形成纳米乳剂的3.4×10（-3）％w / v的W¯¯结果OMT比无OMT的情况下;然而，在0.2％w / v的G16-2-16浓度时，O的界面张力/ W当加入3.4×10（-3）％w / v的OMT增加。另外，光透射测量表明，纳米乳剂的传输随温度而变化，并且该过程是可逆的。这些现象的机理进行了分析，并通过TEM证实。

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  • 来源
    《RSC Advances》 |2019年第24期|共8页
  • 作者

    Peng Fangfang; Ke Yangchuan; Zhao Yi; Hu Xu; Zhao Xi;

  • 作者单位

    China Univ Petr Coll Sci Beijing 102249 Peoples R China;

    China Univ Petr Coll Sci Beijing 102249 Peoples R China;

    China Univ Petr Coll Sci Beijing 102249 Peoples R China;

    China Univ Petr Coll Sci Beijing 102249 Peoples R China;

    China Univ Petr Coll Sci Beijing 102249 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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