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Crystallization-induced aggregation of block copolymer micelles: influence of crystallization kinetics on morphology

Mihut, Adriana M. ; Crassous, Jérôme J. ; Schmalz, Holger ; Ballauff, Matthias

In: Colloid & Polymer Science, 2010, vol. 288, no. 5, p. 573-578

We present a systematic investigation of the crystallization and aggregation behavior of a poly(1,2-butadiene)-block-poly(ethylene oxide) diblock copolymer (PB-b-PEO) in n-heptane. n-Heptane is a poor solvent for PEO and at 70°C the block copolymer self-assembles into spherical micelles composed of a liquid PEO core and a soluble PB corona. Time- and...