Abstract

A coarse-graining strategy for dilute and semi-dilute solutions of interacting polymers, andof colloid–polymer mixtures, is briefly described. Monomer degrees of freedomare traced out to derive an effective, state-dependent pair potential between thepolymer centres of mass. The cross-over between good and poor solvent conditions isdiscussed within a scaling analysis. The method is extended to block copolymersrepresented as ‘necklaces’ of soft ‘blobs’, and its success is illustrated here in thecase of a symmetric diblock copolymer which exhibits microphase separation.

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