Effect of Branching on Phase Behaviors of ABC Triblock Copolymers in Nonfrustrated Systems

Abstract

The phase behavior of linear dendritic triblock copolymer melts(AB2C4) is studied by self-consistent-field theory (SCFT) in order to find the effects of branching on the phase behavior of ABC linear triblock copolymer melts. We focus on a nonfrustrated parameters that hiNAB=hiNBC=hiNAC=40 where A/C interface will not form. Frank-Kasper phases, asymmetric alternative sphere as well as traditional phases observed in diblock copolymer melts are found to be stable in the calculation.

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