Langnmir films of poly(o-toluidine) and poly(o-methoxyaniline) at the water-air interfacet

被引：0
|
作者：
Opaynych, Iryna [1 ]
Ukrainets, A. [1 ]
Aksimentyeva, O. [1 ]
机构：
[1] Ivan Franko Lviv Natl Univ, UA-79005 Lvov, Ukraine
来源：
ADSORPTION SCIENCE & TECHNOLOGY | 2007年 / 25卷 / 1-2期
关键词：
Adsorption - Adsorption isotherms - Polymers - Pressure - Pressure measurement - Solvents;
D O I：
10.1260/026361707781485717
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The behaviour of monomolecular layers prepared on a liquid surface may be considered as a limiting case of adsorption. In the present work, measurements of surface-pressure isotherms have been used to examine the effect of the solvent (tetrahydrofuran, chloroform) and polymer concentration on the formation of poly(o-toluidine) (PoTI) and poly(o-methoxyaniline) (PoMA) monolayers at the water surface. The PoTl monolayer exhibited a hysteresis loop when the PoMA and PoTl monolayers were studied under compression/ expansion conditions. In contrast, the mobility of the monomer units in the PoMA films formed at the water surface enabled them to rapidly restore their structure.
引用
收藏
页码：15 / 21
页数：7
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