Abstract
The micellar aggregation of two fluorocarbon surfactants bearing a polymerizable acrylamido group and differing only in the degree of amido substitution (CONH or CONC2H5) has been investigated by viscometry. The two surfactants exhibit distinct solution properties with a micellar growth occurring at a much lower concentration for the N-monosubstituted sample which shows in addition a shear thickening and rheopectic behavior. The ability of the latter surfactant to form hydrogen bonding is responsible for this difference in behavior. Micellar copolymerization of acrylamide with these surfactants or with a hydrocarbon analogue gives copolymers with a polysoap-like behavior. The copolymers in aqueous solution show a pronounced intramolecular hydrophobic aggregation expressed by relatively low-viscosity values when compared with those of other hydrophobically modified water-soluble polymers reported in the literature. Surfactant–polymer mixed systems do not show a strong incompatibility between fluorocarbon and hydrocarbon moieties.
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Received: 24 March 1998 Accepted: 30 June 1998
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Stähler, K., Selb, J. & Candau, F. Fluorocarbon polymerizable surfactants: viscometric behavior, micellar polymerization and interactions with associating polymers. Colloid Polym Sci 276, 860–869 (1998). https://doi.org/10.1007/s003960050322
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DOI: https://doi.org/10.1007/s003960050322