DISPLACEMENT PROCESSES ON HYDROPHILIC HYDROPHOBIC SURFACES IN 1-PROPANOL-WATER MIXTURES

被引：38

作者：

MAROSI, T

DEKANY, I

LAGALY, G

机构：

[1] ATTILA JOZSEF UNIV,DEPT COLLOID CHEM,H-6720 SZEGED,HUNGARY

[2] CHRISTIAN ALBRECHTS UNIV KIEL,INST ANORGAN CHEM,W-2300 KIEL 1,GERMANY

来源：

COLLOID AND POLYMER SCIENCE | 1994年 / 272卷 / 09期

关键词：

ADSORPTION; SOLID LIQUID INTERFACE; ENTHALPY OF DISPLACEMENT; LAYER SILICATES;

D O I：

10.1007/BF00652383

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：

Selective adsorption of 1-propanol-water mixtures was investigated on adsorbents of various surface character, The enthalpy of displacement of 1-propanol by water was studied on graphitized PRINTEX-80, K-60 silicagel, and n-alkylammonium vermiculites. The free enthalpy and entropy isotherms of displacement were derived. The adsorption between the silicate layers of hydrophobic vermiculites was followed by x-ray measurements, and thermodynamic functions were calculated for the structural changes in the adsorption, layers. Formation of alcohol-water clusters on the surfaces plays an important role.

引用

页码：1136 / 1142

页数：7

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