Synthesis and CMC studies of 1-methyl-3-(pentafluorophenyl)imidazolium quaternary salts

被引:22
作者
Beyaz, A [1 ]
Oh, WS [1 ]
Reddy, VP [1 ]
机构
[1] Univ Missouri, Dept Chem, Rolla, MO 65409 USA
关键词
CMC; surfactants; SDS; UV-vis spectroscopy;
D O I
10.1016/j.colsurfb.2004.04.009
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
Critical Micelle Concentration (CMC) of sodium dodecyl sulfate (SIDS), an anionic surfactant, has been investigated in 30 mM aqueous solutions of 1-benzyl-3-methylimidazolium chloride (1) and 1-methyl-3-(pentafluorophenyl)imidazolium chloride (2). The CIVIC of SDS is significantly lower in the presence of 2 as compared to that of 1. The decreased CMC of SDS in the presence of 2 is in accordance with its increased hydrophobicity due to the fluorinated side chain. The thermogravimetric analysis of compounds 1 and 2 shows that they are thermally stable up to about 290degreesC. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:71 / 74
页数:4
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