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    Aggregation and Surface Morphology of a Poly(ethylene oxide)-block-polystyrene Three-Arm Star Polymer at the Air/Water Interface Studied by AFM

    Year: 2002

    Journal: Macromolecules 2002, 35, 6483-6485, 20111221

    Authors: Raju Francis, Andrew M. Skolnik, Stephen R. Carino, Jennifer L. Logan, Royale S. Underhill, Stephanie Angot, Daniel Taton, Yves Gnanou and Randolph S. Duran

    Organizations: The George and Josephine Butler Polymer Research Laboratory, Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, 32611-7200; and Laboratoire de Chimie des Polymeres Organiques, ENSCPB, University of Bordeaux I, 16 Avenue Pey-Berland, 33607 Pessac Cedex, France

    Amphiphilic diblock copolymers are widely used as agents to alter the interfacial properties of paints, personal care products, detergents, printing agents and pharmaceutical preparations. The monolayer behavior at the air/water interface of these copolymers, particularly poly(ethylene oxide)-block-polystyrene (PEO-b-PS) based systems has been of interest during the past few years. The formation of surface micelles or aggregation at the air/water interface has been observed for linear PEO-b-PS systems, but there are no reports on PEO-b-PS-based stars under similar conditions.