Synthesis and Physicochemical Properties of a Surfactant Based on Hemp Oil

IF 0.8 4区化学 Q4 CHEMISTRY, PHYSICAL

Russian Journal of Physical Chemistry A Pub Date : 2025-09-16 DOI:10.1134/S0036024425701742

T. G. Movchan, E. V. Plotnikova, A. V. Berleva, K. P. Birin, G. A. Tsivadze, A. Yu. Tsivadze

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Abstract

A mixture of sodium salts of fatty acids is synthesized in the form of a 20% solution via the alkaline hydrolysis of triglyceride components of hemp oil. IR spectroscopy data confirm the complete hydrolysis of ester groups and the presence of carboxylate groups characteristic of sodium salts of fatty acids. The physicochemical properties of the obtained composition and their micelle-forming characteristics are studied using a Wilhelm plate at the air–water interface, in combination with conductometry and spectrophotometry in aqueous solutions. It is shown that the synthesized composition has strong surface activity which form mixed layers from its components at the air/water interface and in surfactant micelles. Three stages of aggregation of the synthesized product in aqueous solutions are discovered: premicellar association, the formation of micelles, and changes in the structure of micelles. The solubilizing capability of micellar systems based on the synthesized product is assessed the using the example of Sudan III dye.

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大麻油表面活性剂的合成及其理化性质研究

脂肪酸的钠盐混合物通过大麻油的甘油三酯组分的碱性水解以20%溶液的形式合成。红外光谱数据证实了酯基的完全水解和脂肪酸钠盐特征的羧酸基的存在。结合电导法和分光光度法，利用Wilhelm板在空气-水界面上研究了所获得的组合物的物理化学性质及其胶束形成特性。结果表明，合成的组合物具有较强的表面活性，其组分在空气/水界面和表面活性剂胶束中形成混合层。合成产物在水溶液中的聚集有三个阶段：预胶束结合、胶束的形成和胶束结构的变化。以苏丹红ⅲ染料为例，评价了合成产物胶束体系的增溶能力。

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来源期刊

Russian Journal of Physical Chemistry A 化学-物理化学

CiteScore

1.20

自引率

14.30%

发文量

376

审稿时长

5.1 months

期刊介绍： Russian Journal of Physical Chemistry A. Focus on Chemistry (Zhurnal Fizicheskoi Khimii), founded in 1930, offers a comprehensive review of theoretical and experimental research from the Russian Academy of Sciences, leading research and academic centers from Russia and from all over the world. Articles are devoted to chemical thermodynamics and thermochemistry, biophysical chemistry, photochemistry and magnetochemistry, materials structure, quantum chemistry, physical chemistry of nanomaterials and solutions, surface phenomena and adsorption, and methods and techniques of physicochemical studies.