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Complete mapping of the morphologies of some linear and graft fluorinated co-oligomers in an aprotic solvent by dissipative particle dynamics

J. Chem. Phys. 124, 064905 (2006); doi:10.1063/1.2162885

Published 9 February 2006

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Alimet Sema Özen, Unal Sen, and Canan Atilgan
Materials Science and Engineering Program, Faculty of Engineering and Natural Sciences, Sabanci University, Orhanli, Tuzla, 34956 Istanbul, Turkey
The mesoscopic morphologies of linear and graft fluorinated block copolymers of ABCBA and C:BA types, respectively, have been investigated by using dissipative particle dynamics method. Self-assembly in a selective solvent has been examined by the introduction of dimethylformamide as the choice of solvent. By comparing the solubility parameters calculated using atomistic simulations, fluorine-containing segments are found to be immiscible both with other segments of the polymer and with the solvent. Morphologies of the pure linear and graft copolymers were lamellar and cylindrical, respectively. Interfacial tension versus concentration curves have been used to explain the self-assembly behavior of copolymers in solution, as well as to predict the kinetic mechanisms responsible for this behavior. ©2006 American Institute of Physics
History: Received 31 October 2005; accepted 6 December 2005; published 9 February 2006
Permalink: http://link.aip.org/link/?JCPSA6/124/064905/1
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KEYWORDS and PACS

Keywords
PACS
  • 64.75.+g
    Solubility, segregation, and mixing; phase separation
  • 68.03.Cd
    Surface tension and related phenomena
  • 61.25.Hq
    Structure of macromolecular and polymer solutions, and polymer melts; swelling
  • YEAR: 2006

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PUBLICATION DATA

ISSN:
0021-9606 (print)   1089-7690 (online)
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