Abstract

The formation of block copolymer mixed micelles has been studied in solutions of polystyrene- block-polyisoprene and polystyrene- block-poly(ethylene- co-propylene) in decane, a selectively poor solvent for polystyrene blocks. The rate of mass exchange between two types of micelles, studied by the sedimentation velocity method, depends strongly on the rates of micelle formation and dissociation processes, which can be controlled by temperature.

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