Surface adsorption of sulfonated poly(phenylene sulfone)/C14TAB mixtures and its correlation with foam film stability

被引：14
作者：
Uhlig, Martin [1 ]
Miller, Reinhard [2 ]
von Klitzing, Regine [1 ]
机构：
[1] Tech Univ Berlin, Dept Chem, Stranski Lab, Str 17 Juni 124, D-10623 Berlin, Germany
[2] Max Planck Inst Colloids & Interfaces, Muehlenberg 1, D-14424 Potsdam, Germany
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2016年 / 18卷 / 27期
关键词：
INTERFACIAL CHARACTERISTICS; CHARGE REGULATION; IONIC-STRENGTH; TENSION; POLYELECTROLYTES; POLYMER; BEHAVIOR; FORCES;
D O I：
10.1039/c6cp02256a
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：
Polyelectrolyte/surfactant mixtures of rigid monosulfonated poly(phenylene sulfone) (sPSO(2)-220) and tetradecyl trimethylammonium bromide (C(14)TAB) were investigated by surface tension, surface elasticity and foam film stability measurements. The results were compared to former measurements of polyelectrolyte/surfactant mixtures containing more flexible polyelectrolytes (PAMPS or PSS and C(14)TAB). For all polyelectrolyte/surfactant mixtures an increased surface adsorption in comparison to the pure surfactant was detected. Moreover, sPSO(2)-220/C(14)TAB mixtures showed a much higher surface activity and foam film stability than mixtures with more flexible polyelectrolytes. The results presented give insight into the surface adsorption and foam film formation of rigid polyelectrolyte/surfactant mixtures. Therefore, this study helps to understand the role of polyelectrolyte backbone rigidity in the formation and stabilization of foam films made from polyelectrolyte/surfactant mixtures.
引用
收藏
页码：18414 / 18423
页数：10
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