Abstract

A SCF theory was developed to account for the micellization of block copolymers in selective solvents. The mean-field expression used successfully by Edwards in treating the polymer excluded-vol. problem was modified to enable it to be applied to chains in bad solvents without the generation of unrealistically high segment densities. Full consideration was given to the issue of std. states so that a meaningful comparison could be made between theor. and exptl. results. The theory was able to account in a consistent and satisfactory manner for the thermodn. of micellization of 2 styrene-isoprene block copolymers in n-hexadecane which is a selectively bad solvent for polystyrene. [on SciFinder(R)]

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