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Synthesis of homogeneous polyoxyethylene perfluorcalkyl surfactants:A new method

Authors
Journal
Tetrahedron
0040-4020
Publisher
Elsevier
Publication Date
Volume
39
Issue
8
Identifiers
DOI: 10.1016/s0040-4020(01)91897-6

Abstract

Abstract Polyoxyethylene perfluoroalkyl surfactants are synthesized from polyoxyethylene glycols using an appropriate intermediate monooxyphosphonium salt. In contrast with methods involving the polyaddition of ethylene oxide to a fluoroalcohol, the present procedure allows us to obtain surfactant molecules with a definite number of oxyethylene units, i.e. with a well-defined hydrophile lipophile balance (HLB). Fluorinated microemulsions could thus be prepared for the first time by mixing the surfactant of appropriate HLB to water and a fluorocarbon.

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