POLYMER ANALYSIS USING SIZE-EXCLUSION CHROMATOGRAPHY WITH COUPLED DENSITY AND REFRACTIVE-INDEX DETECTION .6. MOLECULAR-MASS DEPENDENCE OF PREFERENTIAL SOLVATION OF POLYOXYETHYLENES IN CHLOROFORM WITH DIFFERENT ETHANOL CONTENTS

被引:18
作者
TRATHNIGG, B
YAN, X
机构
[1] Institut für Organische Chemie, Universität Graz, A-8010 Graz
关键词
D O I
10.1016/0021-9673(93)83175-R
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
It is shown that preferential solvation of polyoxyethylenes with hydroxy and methoxy end-groups in chloroform containing ethanol takes place mainly at the hydroxy end-groups, but also along the main chain. A method is described that allows a separate determination of the adsorbed ethanol molecules per repeating unit and per end-group.
引用
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页码:199 / 206
页数:8
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