Abstract
We present a new procedure for purifying nonionic surfactants (alkyl polyglycolethers C i E j ). The method utilizes the well-known phase behavior of ternary systems of water, oil, and nonionic amphiphiles to simultaneously extract water-soluble and oil-soluble impurities. The three-phase extraction technique (denoted as 3PHEX) is easy to apply, it is efficient and yields reproducible results. For surfactants ranging from C6E3 to C18E8, we tabulate the optimal purification conditions.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
Schubert K-V, Strey R, Kahlweit M (1991) J Coll Interf Sci 141:21
Hahlweit M, Strey R (1985) Angew Chem Intern Ed 24:654
Kahlweit M, Strey R, Firman P, Haase D (1985) Langmuir 1:281
Kahlweit M, Strey R, Firman P (1986) J Phys Chem 90:671
Khalweit M, Strey R, Haase D, Dirman P (1988) Langmuir 4:785
Kahlweit M, Strey R, Firman P, Haase D, Jen J, Schomäcker R (1988) Langmuir 4:499
Kahlweit M, Strey R, Schomäcker R, Haase D (1989) Langmuir 5:305
Author information
Authors and Affiliations
Editor information
Rights and permissions
Copyright information
© 1991 Dr. Dietrich Steinkopff Verlag GmbH & Co. KG
About this paper
Cite this paper
Schubert, K.V., Strey, R., Kahlweit, M. (1991). 3PHEX: A new surfactant purification technique. In: Corti, M., Mallamace, F. (eds) Trends in Colloid and Interface Science V. Progress in Colloid & Polymer Science, vol 84. Steinkopff, Heidelberg. https://doi.org/10.1007/BFb0115946
Download citation
DOI: https://doi.org/10.1007/BFb0115946
Published:
Publisher Name: Steinkopff, Heidelberg
Print ISBN: 978-3-662-16029-9
Online ISBN: 978-3-7985-1685-4
eBook Packages: Springer Book Archive