Impact of poly (ethylene glycol) on the structure and interaction parameters of aqueous micellar solutions of anionic surfactants

被引：17

作者：

Artykulnyi, O. P. ^{[1
,2
]}

Petrenko, V. I. ^{[1
,2
]}

Bulavin, L. A. ^{[2
]}

Ivankov, O. I. ^{[1
,3
]}

Avdeev, M. V. ^{[1
,4
]}

机构：

[1] Joint Inst Nucl Res, Frank Lab Neutron Phys, Joliot Curie 6, Dubna 141980, Russia

[2] Taras Shevchenko Natl Univ Kyiv, Phys Dept, Kiev, Ukraine

[3] Moscow Inst Phys & Technol, Dolgoprudnyi, Russia

[4] St Petersburg State Univ, Fac Phys, St Petersburg, Russia

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2019年 / 276卷

基金：

俄罗斯科学基金会;

关键词：

Micelles; Anionic surfactants; Poly (ethylene glycol); Polymer-surfactant complexes; Surface tension; Small-angle neutron scattering; NEUTRON; TENSION; NANOPARTICLES; CONDUCTIVITY; PERFORMANCE; ADSORPTION; CATHODE; NMR;

D O I：

10.1016/j.molliq.2018.12.035

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The changes in the structure and interaction of micelles of anionic surfactant, dodecylbenzene sulphonic acid (DBSA), in aqueous solutions upon addition of neutral polymer poly (ethylene glycol) (PEG) were analyzed using the data of small-angle neutron scattering (SANS) and surface tension measurements. The surface tension data showed the formation of surfactant-polymer complexes, which resulted in a shift of critical micelle concentration as compared to non-modified surfactant solutions and also in the appearance of a critical aggregation concentration. The variations in the dependences of the structure and interaction parameters of micelles (aggregation number, fractional charge, charge per micelle, surface potential, etc.) derived from the SANS data analysis were interpreted as an influence of micelle binding on polymer chains and surfactant-polymer association. The obtained results are compared with the previous data on aqueous solutions of another anionic surfactant, sodium oleate. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：806 / 811

页数：6

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