Surface Activity, Thermodynamics of Micellization and Adsorption Properties of Quaternary Salts Based on Ethanolamines and Decyl Bromide
作者:Ziyafaddin H. Asadov、Ravan A. Rahimov、Shafiga M. Nasibova、Gulnara A. Ahmadova
DOI:10.1007/s11743-010-1180-0
日期:2010.10
The surface‐active properties of ionic‐liquid type salts synthesized by the interaction of ethanolamines and decyl bromide have been studied. Surface tension as a function of concentration of the surfactant in aqueous solution was measured at 10, 20, 30 and 40 °C using a drop volume stalagmometer. From these measurements, the maximum surface excess concentration and the minimum area per molecule at
研究了乙醇胺和癸基溴化物相互作用合成的离子液体型盐的表面活性。使用液滴体积石蜡计在10、20、30和40℃下测量表面张力作为水溶液中表面活性剂浓度的函数。从这些测量值中,计算出水溶液/空气界面的最大表面过量浓度和每个分子的最小面积,临界胶束浓度(CMC),CMC处的表面压力以及吸附和胶束化的标准热力学参数。根据这些参数讨论了对吸附,胶束化和降低表面张力的效果的结构影响。