Wetting of planar solid surfaces by bicontinuous sugar surfactant-based microemulsions

Wetting of planar solid surfaces by bicontinuous sugar surfactant-based microemulsions
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基于双连续糖表面活性剂的微乳液对平面固体表面的润湿

DOI:
10.1007/s00396-017-4188-4
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发表时间:
2017
影响因子:
2.4
通讯作者:
Stefan
Stefan
中科院分区:
化学4区
文献类型:
--
作者:
Vargas-Ruiz;Salomé;Lutzki;Klitzing;Regine von;Hellweg;Thomas;Wellert;Stefan

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固体基质的最佳润湿是萃取质量从表面转移到微乳液的必要前提。与其在实际应用中的重要性相反,微乳液的润湿特性仍然部分未知。在这里,我们使用接触角测量和wilhelmy型力测量来表征双连续微乳液在亲水和疏水固体基质上的润湿性。使用了由油(非极性油(十四烷)和极性油(油酸甲酯))与水、糖、表面活性剂和醇(戊醇)结合而成的两个季系双连续区不同油水比的微乳液。对于所有的微乳液,在平面模型表面发现了部分润湿状态。疏水表面的润湿表现出与油组分的润湿行为及其与基底的粘附有关的差异。接触角迟滞表明表面与微乳液体之间形成了吸附层。
Optimal wetting of solid substrates is an essential prerequisite for extractive mass transport out of the surface into a microemulsion. In contrast to its importance for practical applications, the wetting properties of microemulsions still are partly unknown. Here, we use contact angle goniometry and Wilhelmy-type force measurements to characterize the wetting of bicontinuous microemulsions at hydrophilic and hydrophobic solid substrates. Microemulsions of different oil-to-water ratios from the bicontinuous region of two quaternary systems, built up by oil (a nonpolar (tetradecane) and a polar oil (methyl oleate)) in combination with water, sugar surfactant, and alcohol (pentanol) have been used. For all microemulsions, a partial wetting regime was found at planar model surfaces. The wetting of hydrophobic surfaces shows differences related to the wetting behavior of the oil component and its adhesion to the substrate. The contact angle hysteresis indicates the formation of adsorption layers between surface and microemulsion bulk.
通过环境相容的微乳液从固体表面提取模型污染物
DOI: 10.1016/j.jcis.2016.03.006
发表时间: 2016
影响因子: 9.9
作者:
Vargas-Ruiz;Schulreich;Kostevic;Tiersch;Kakorin;von Klitzing;Hellweg;Wellert
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DOI: 10.1016/j.fuel.2013.12.051
发表时间: 2014
期刊: Fuel
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非离子表面活性剂溶致液晶相的表面效应
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期刊: Colloids and Surfaces A: Physicochemical and Engineering Aspects
影响因子: --
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固体表面基于糖表面活性剂的微乳液:油类型和表面极性的影响
DOI: 10.1021/acs.langmuir.6b03441
发表时间: 2016
期刊: Langmuir : the ACS journal of surfaces and colloids
影响因子: --
作者:
Vargas-Ruiz;Soltwedel;Micciulla;Feoktystov;von Klitzing;Hellweg;Wellert
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微乳液中的体积和表面相关性。
DOI: 10.1103/physreve.52.r29
发表时间: 1995
期刊: Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
影响因子: --
作者:
Lee;Chen;Majkrzak;Satija
通讯作者: Satija