聚二硫酸盐与相反电荷的离子表面活性剂的相互作用
Matevž Turk1, Ksenija Kogej1, Per Hansson2
1Department of Physical Chemistry, Faculty of Chemistry and Chemical Technology, University of Ljubljana, Vecna pot 113, 1000 Ljubljana, Slovenia.
Langmuir : the ACS journal of surfaces and colloids
|September 22, 2025
概括
这项研究揭示了疏水性相互作用如何影响多电解质-表面活性剂系统. 不同的表面活性剂结构,如碳化合物和化类型,导致聚 (聚硫酸盐) 溶液和水凝中独特的结合行为和材料特性.
科学领域:
- 材料科学 材料科学 材料科学
- 物理化学 物理化学
- 聚合物科学 聚合物科学
背景情况:
- 聚电解质-表面活性剂系统在各种应用中至关重要.
- 在这些系统中疏水性相互作用的作用,特别是与聚硫酸 (NaPSS) 和阴离子表面活性剂的作用,尚未完全理解.
研究的目的:
- 为了研究NaPSS与碳化合物 (多甲化,DPC) 和化 (1H,1H,2H,2H-甲化,HFDePC) 表面活性剂的结合行为.
- 阐明多电解质-表面活性剂系统中疏水性相互作用的重要性.
主要方法:
- 用线性NaPSS溶液和NaPSS水凝测量DPC和HFDePC的结合同热体.
- 用热力学建模分析结合行为.
- 微角X射线散射 (SAXS) 用于研究菌形成和包装.
- 分析水凝膨胀异热体的分析.
主要成果:
- HFDePC显示出具有负倾斜的独特结合,归因于转移稳定的体状态.
- DPC与NaPSS形成混合,表现出较低的合作性和非典型的相位行为.
- NaPSS水凝与DPC显示均的崩,与HFDePC显示双相核心外结构.
- 萨克斯 (SAXS) 揭示了具有六角包装的棒状菌根,结合率更高.
结论:
- 表面活性剂和多电解质结构以及疏水性是多电解质-表面活性剂系统中的关键因素.
- 这项研究为管理这些系统的相互作用提供了新的见解,影响了材料设计和应用.
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