Effect of Oxyethylene Groups on Adsorption Properties of Fatty Alcoho Polyoxyethylene Ether Sodium Sulfate with Narrow Ethylene Oxide Distribution

被引：9

作者：

Wang, Xingang ^{[1
]}

Yang, Xiaoyi ^{[1
]}

Sun, Yongqiang ^{[1
]}

Guo, Chaohua ^{[1
]}

Li, Ping ^{[1
]}

Li, Jianbo ^{[1
]}

机构：

[1] China Res Inst Daily Chem Co Ltd, Taiyuan 030001, Shanxi, Peoples R China

来源：

TENSIDE SURFACTANTS DETERGENTS | 2020年 / 57卷 / 06期

关键词：

Fatty alcohol polyoxyethylene ether sodium sulphate (AEMS); oxyethylene groups; adsorption properties; mixed diffusion kinetics; DYNAMIC SURFACE-TENSION; AGGREGATION PROPERTIES; AQUEOUS-SOLUTIONS; CHAIN-LENGTH; EQUILIBRIUM; TRISILOXANES; HEADGROUP; MIXTURES; BEHAVIOR;

D O I：

10.3139/113.110708

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The effect of oxyethylene groups on the adsorption properties of fatty alcohol polyoxyethylene ether sodium sulfate with narrow ethylene oxide distribution (AE(m)S, m = 3, 5, 7, 9) was characterized by means of the equilibrium surface tension, the dynamic surface tension and the contact angle. The results show that at a concentration lower than the critical micelle concentration (CMC) the oxyethylene groups act like hydrophobic groups to change the absorption properties. If the concentration is higher than the critical micelle concentration, the oxyethylene groups act as hydrophilic groups to change the absorption properties. The long polyoxyethylene chain of AE(9)S is very curly, which means that AE(9)S does not strictly follow the rule derived from AE(m)S (m = 3, 5, 7). The adsorption process of AEmS is a mixed diffusion-kinetic adsorption mechanism.

引用

页码：469 / 478

页数：10

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