Abstract

The well defined poly(styrene(S)-b-isoprene(I)) and poly(S-b-2-vinylpyridine(2VP)) diblock copolymers were prepared by sequential anionic addition. Binary poly(S-b-I)/poly(S-b-2VP) diblock copolymer blend films were prepared by solution casting, varying the volume fraction of the three-block sequences. Morphological results were obtained by transmission and scanning electron microscopy (TEM and SEM). The three-phase separated microdomains formed depended strongly on the volume fraction of binary block sequences and casting conditions.

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