PHYSICOCHEMICAL CHARACTERIZATION OF COVALENTLY BONDED ALKYL MONOLAYERS ON SILICA SURFACES

被引:34
作者
DUVAULT, Y
GAGNAIRE, A
GARDIES, F
JAFFREZICRENAULT, N
MARTELET, C
MOREL, D
SERPINET, J
DUVAULT, JL
机构
[1] ECOLE CENT LYON, LEAME, CNRS, URA 848, F-69131 ECULLY, FRANCE
[2] UNIV LYON 1, LSA, CNRS, URA 474, F-69622 VILLEURBANNE, FRANCE
关键词
D O I
10.1016/0040-6090(90)90016-7
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The physicochemical properties of silica surfaces covalently bonded with alkyl monolayers, in a chain length range from C6 to C22, are investigated by using chromatographic, ellipsometric and capacitance measurements. A compact structure is found with an interchain distance of about 0.67 nm; the experimental thickness is very close to the theoretical chain length value. The hydrophobic character of such chemically modified silica surfaces increases with the chain length. © 1990.
引用
收藏
页码:169 / 179
页数:11
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