Self-Consistent Field Theory within Hildebrand Approximation: Microphase Separation in Gradient Copolymersстатья

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Дата последнего поиска статьи во внешних источниках: 8 августа 2017 г.

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[1] Kriksin Y., Erukhimovich I., ten Brinke G. Self-consistent field theory within hildebrand approximation: Microphase separation in gradient copolymers // Macromolecular Theory and Simulations. — 2016. — Vol. 25, no. 5. — P. 466–474. To provide a faster calculation of the block copolymer phase diagrams a simplified version of the self-consistent field theory (SCFT) is proposed. Multi-component block copolymers with interactions between repeated units described by the χ-parameters satisfying the Hildebrand conditions are studied. This case is shown to correspond to a degeneration within the framework of the general SCFT approach. Remarkably, the degenerated thus multi-component block copolymers admit two-component only SCFT description. The procedure presented is applied to gradient copolymers considered as a limiting case of multi-component copolymers obeying Hildebrand conditions, the lengths of the blocks vanishing and the number of different kinds of repeated monomers tending to infinity. Finally, a melt of symmetric triblock copolymers blurred into a gradient copolymer is studied and corresponding phase diagrams are calculated. [ DOI ]

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