Conformational Properties of Ring AB Diblock Copolymers

Costas Vlahos, Nikolaos Hadjichristidis, Marios K. Kosmas, Ana M. Rubio, Juan J. Freire*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Ring diblock copolymers with different lengths of the A and B blocks have been investigated using theoretical and numerical simulation methods. The theoretical calculations are based on a first-order expansion in the parameter ∈ = 4 - d and extend to chains in a common Θ solvent, in a common good solvent, and in selective solvents, though only the first case is discussed in detail. The Monte Carlo calculations are performed for a common Θ solvent case with an off-lattice model of Gaussian units which interact through a Lennard-Jones potential. Averaged dimensions for each of the blocks and for the whole chain are obtained, and the theoretical and simulation results are analyzed and discussed. From the results, we have obtained general trends for all these different properties, and the most important differences and similarities with linear or homopolymer chains have been identified.

Original languageEnglish (US)
Pages (from-to)6854-6859
Number of pages6
JournalMacromolecules
Volume28
Issue number20
DOIs
StatePublished - Sep 1 1995

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

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