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Micellar properties of polyoxyethylene nonylphenol ether in anhydrous and hydrous cyclohexane
Author(s) -
Sharma R. K.,
Cowie J. M. G.,
Sirianni A. F.
Publication year - 1967
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02908543
Subject(s) - anhydrous , cyclohexane , ethylene oxide , nonylphenol , chemistry , ether , solvent , vapor pressure , polymer chemistry , organic chemistry , environmental chemistry , copolymer , polymer
A polyoxyethylated nonylphenol ether containing an average of about 10 moles ethylene oxide per mole of hydrophobe was examined in hydrous and in anhydrous cyclohexane by light‐scattering at 45C and by vapor‐pressure measurements with the dry solvent at 39.1C. Stability was assessed by carrying out turbidity measurements over a period of two weeks. The aggregation number was found to increase with added water. The difference between weight and number average molecular weight was very small in dry cyclohexane.