Coarse-grained Brownian dynamics simulations for symmetric diblock copolymer melts based on the soft dumbbell model (計算機レオロジー特集号)

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概要

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• We propose a highly coarse-grained dynamics simulation model for symmetric diblock copolymers based on the soft dumbbell model. We perform the simulations of microphase separation dynamics of diblock copolymer melts with and without shear flow and show that Brownian dynamics simulations for soft dumbbells can reproduce dynamics of microphase separated diblock copolymers qualitatively well with small computational costs. We also calculate the shear relaxation moduli for unoriented and oriented lamellar structures. It is shown that lamellars can be oriented to the perpendicular direction by shear flow, and the shear thinning behaviour is observed.

• 一般社団法人　日本レオロジー学会の論文
• 2009-04-15

著者

• UNEYAMA Takashi

  JST-CREST

• Uneyama Takashi

  Jst-crest Institute For Chemical Research Kyoto University

• 畝山 多加志

  JST-CREST

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• Coarse-grained Brownian dynamics simulations for symmetric diblock copolymer melts based on the soft dumbbell model (計算機レオロジー特集号)
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