Solution behavior of anionic polymer sodium carboxymethylcellulose (NaCMC) in presence of cationic gemini/conventional surfactants

被引：20

作者：

Sardar, Najam ^{[1
]}

Kamil, Mohammad ^{[1
]}

Kabir-ud-Din ^{[2
]}

机构：

[1] Aligarh Muslim Univ, Dept Petr Studies, Aligarh 202002, Uttar Pradesh, India

[2] Aligarh Muslim Univ, Dept Chem, Aligarh 202002, Uttar Pradesh, India

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2012年 / 415卷

关键词：

Polymer; Surfactant; Conductivity; Fluorescence; Viscosity; AQUEOUS-SOLUTION; DODECYL-SULFATE; VISCOSITY; POLYELECTROLYTE;

D O I：

10.1016/j.colsurfa.2012.09.017

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 interaction of sodium carboxymethylcellulose (NaCMC) and cationic gemini surfactants (16-s-16, s = 5, 6)/conventional surfactant (CTAB) in aqueous solutions is investigated by conductivity, fluorescence and viscosity techniques. Electrostatic and hydrophobic interactions play a dominant role in such systems. The conductivity results showed that the geminis interact strongly with NaCMC as compared to CTAB. Fluorescence measurements were used to calculate aggregation number for the three combinations which were found about the same as those for the corresponding free micelles. Addition of surfactants leads to an increase in relative viscosity after certain concentration of the surfactants. Further increase in relative viscosity is significant in case of geminis and this increase is ascribed to the physical cross-linking of surfactant micelles with NaCMC chains. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：413 / 420

页数：8

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