Generalized random phase approximation method for phase separation of polymer melt

Takashi Honda, Toshihiro Kawakatsu

Research output: Contribution to conferencePaperpeer-review

Abstract

We develope a dynamical TDGL simulation method using the RPA approximation. This method is based on linear operations and the expression of the free energy of the system is more accurate and simple than the recently proposed generalized Ohta-Kawasaki theory. Melts of any blends of polymers with arbitrary architectures can be simulated using this theory. As the numerical simulations using this method is faster than the standard SCF simulations, our method can be used to produce an initial guess of the phase separated structures for the SCF simulation. A 3D hexiagonally packed cylinder structure is successfully reproduced using this method.

Original languageEnglish
Number of pages1
Publication statusPublished - 2005 Dec 1
Event54th SPSJ Annual Meeting 2005 - Yokohama, Japan
Duration: 2005 May 252005 May 27

Other

Other54th SPSJ Annual Meeting 2005
CountryJapan
CityYokohama
Period05/5/2505/5/27

Keywords

  • Block copolymer
  • Density functional theory
  • Hexagonally packed cylinder structure
  • Micro phase separation
  • Random phase approximation
  • Time dependent Ginzburg Landau theory

ASJC Scopus subject areas

  • Engineering(all)

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