Hydrophobic interactions between polymethacrylic acid and sodium laureth sulfate in aqueous solutions

被引：0
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作者：
Z. M. Yaremko
L. B. Fedushinskaya
O. A. Burka
M. N. Soltys
机构：
[1] Ivan Franko National University,
来源：
Russian Journal of Physical Chemistry A | 2014年 / 88卷
关键词：
polymethacrylic acid; sodium laureth sulfate; binary solutions; hydrophobic interaction; association;
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摘要：
The role of hydrophobic interaction in the development of associative processes is demonstrated, based on the concentration dependences of the viscosity and pH of binary solutions of polymethacrylic acid as an anionic polyelectrolyte and sodium laureth sulfate as an anionic surfactant. It is found that the inflection point on the dependence of the difference between the pH values of binary solutions of polymethacrylic acid and sodium laureth sulfate on the polyelectrolyte concentration is a criterion for determining the predominant contribution from hydrophobic interaction, as is the inflection point on the dependence of pH of individual solutions of polymethacrylic acid on the polyelectrolyte concentration.
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页码：1510 / 1513
页数：3
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