Equilibrium and Dynamic Surface Tension of Carboxymethylchitosan and Alkyl Trimethylammonium Bromide Mixtures

被引：5

作者：

Jiang, Rong ^{[1
]}

Wang, Yanli ^{[1
]}

Yang, Yan ^{[1
]}

Lin, Cuiying ^{[1
]}

机构：

[1] Fuzhou Univ, Inst Colloid & Interface Chem, Coll Chem & Chem Engn, Fuzhou 350108, Fujian, Peoples R China

来源：

JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2013年 / 34卷 / 01期

关键词：

Carboxymethylchitosan; dynamic adsorption; equilibrium; polymer and surfactant interaction; AIR-WATER-INTERFACE; SODIUM DODECYL-SULFATE; CHARGED POLYELECTROLYTE/SURFACTANT MIXTURES; AIR/WATER INTERFACE; CATIONIC SURFACTANT; AQUEOUS-SOLUTIONS; DILATIONAL VISCOELASTICITY; O-CARBOXYMETHYLCHITOSAN; ANIONIC POLYELECTROLYTE; AGGREGATION BEHAVIOR;

D O I：

10.1080/01932691.2011.646629

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：

A water-soluble derivative of chitosan, carboxymethylchitosan (CMCH), was mixed with alkyltrimethylammoniumbromides (CmTAB) and was studied on the adsorption at air/water interface using equilibrium and dynamic surface tension method. The effects of surfactant and polymer concentrations, surfactant chain length, as well as pH of solution were investigated. Addition of the surfactants remarkably promotes the polymer adsorption. Increasing any one of surfactant concentration, surfactant chain length, and pH will facilitate the adsorption of the mixture whereas little effects of polymer concentration were observed. The results are explained in terms of the interaction between CMCH and CmTAB under different conditions.

引用

页码：22 / 31

页数：10

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