Tricontinuous Cubic Structures in ABC/A/C Copolymer and Homopolymer Blends

Tomonari Dotera
Phys. Rev. Lett. 89, 205502 – Published 29 October 2002

Abstract

Using the Monte Carlo lattice-simulation technique, we present numerical evidence of the formation of gyroid and nongyroid tricontinuous cubic phases in high polymeric systems of ABC/A/C triblock copolymer and homopolymer blends. By increasing the volume fraction of homopolymer, a remarkable phase sequence G (gyroid) D (diamond) P (primitive) is observed, which is common to certain surfactant systems. Our results indicate that the ABC triblock copolymer system with blending homopolymers may be a zoo of cubic phases, suitable for comparative studies of these phases.

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  • Received 10 May 2002

DOI:https://doi.org/10.1103/PhysRevLett.89.205502

©2002 American Physical Society

Authors & Affiliations

Tomonari Dotera

  • Saitama Study Center, The University of the Air, 682-2 Nishiki-cho, Saitama 331-0851, Japan

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Issue

Vol. 89, Iss. 20 — 11 November 2002

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