The property study of sodium dodecyl benzenesulfonate and polyvinylpyrrolidone complexes

被引：7
|
作者：
Hu, Chang [1 ]
Du, Zhiping [1 ,2 ]
Tai, Xiumei [1 ]
Mao, Xuebin [1 ]
Liu, Xiaoying [1 ]
机构：
[1] China Res Inst Daily Chem Ind, 34 Wenyuan Rd, Taiyuan 030001, Shanxi, Peoples R China
[2] Shanxi Univ, Inst Resources & Environm Engn, 92 Wucheng Rd, Taiyuan 030006, Shanxi, Peoples R China
来源：
COLLOID AND POLYMER SCIENCE | 2018年 / 296卷 / 02期
关键词：
SDBS; PVP; Necklace and bead" model; POLYMER-SURFACTANT INTERACTIONS; WATER-SOLUBLE POLYMERS; BENZENE SULFONATE; NMR-SPECTROSCOPY; SULFATE; IMIDAZOLIUM; MECHANISM; SYSTEMS; CONDUCTIVITY; FLUORESCENCE;
D O I：
10.1007/s00396-017-4248-9
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：
In this paper, the physicochemical properties between sodium dodecylbenzenesulfonate (SDBS) and polyvinylpyrrolidone (PVP) in aqueous solutions were studied at 25 A degrees C by Ubbelohde viscometer, conductivity analyzer, and fluorescence spectrophotometer. It was found that viscosity, conductivity, steady-state fluorescence, and Rayleigh scattering curve for SDBS-PVP system could be divided into three regions by two characteristic concentrations: the critical aggregation concentration (cac) and the polymer saturation point (psp). The results revealed that interactions between SDBS and PVP molecules in aqueous solutions could be explained by "necklace and bead" model. Micelle-like surfactant aggregates, formed by SDBS-free molecules, associated with PVP chains mainly by hydrophobic interaction.
引用
收藏
页码：335 / 340
页数：6
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