Phase behavior of gradient copolymers

Aleksij Aksimentiev, Robert Hołyst

Research output: Contribution to journalArticlepeer-review

Abstract

Phase properties of gradient AB copolymer melts which consist of chains with the specified chemical distribution of A and B monomers have been studied within the Landau-Ginzburg model. All the melts with the linear distribution of the monomers exhibit only a direct continuous phase transition from disordered to the lamellar phase. The hexagonal, body-centered-cubic, double-gyroid (G), and lamellar-ordered structures have been found in the melts with the monotonic but nonlinear distribution of the monomers. The G structure has been also found in the gradient copolymer melts with the distribution function of monomers similar to the A-B-A triblock copolymers.

Original languageEnglish (US)
Pages (from-to)2329-2339
Number of pages11
JournalJournal of Chemical Physics
Volume111
Issue number5
DOIs
StatePublished - Aug 1 1999
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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