- Synthesis and CMC studies of 1-methyl-3-(pentafluorophenyl)imidazolium quaternary salts.
Synthesis and CMC studies of 1-methyl-3-(pentafluorophenyl)imidazolium quaternary salts.
Colloids and surfaces. B, Biointerfaces (2004-07-21)
Ayse Beyaz, Woon Su Oh, V Prakash Reddy
PMID15261009
ABSTRACT
Critical Micelle Concentration (CMC) of sodium dodecyl sulfate (SDS), 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 CMC 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 290 degrees C.
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