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Linear gradient copolymer melt brushes

J. Chem. Phys. 118, 3898 (2003); doi:10.1063/1.1538603

Issue Date: 22 February 2003

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Galen T. Pickett
Department of Physics and Astronomy, California State University, Long Beach, Long Beach, California 90840
I consider a brush of gradient polymers, with the chains anchored at their pure A ends with the chemical composition changing linearly along the chain up to the untethered chain tips whose composition is pure B. Demixing of the A and B monomers results in the creation of a thermally-controllable zone from which free ends are excluded. For high temperatures, the zone is small and located near the grafting surface, but for lower temperatures the zone extends throughout the layer, giving a physical manifestation of an Alexander brush. This conclusion is supported by both scaling and numerical self-consistent field calculations. ©2003 American Institute of Physics.
History: Received 7 October 2002; accepted 22 November 2002
Permalink: http://link.aip.org/link/?JCPSA6/118/3898/1
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KEYWORDS and PACS

Keywords
PACS
  • 61.41.+e
    Structure of polymers, elastomers, and plastics
  • 61.25.Hq
    Structure of macromolecular and polymer solutions, and polymer melts; swelling
  • 71.15.Mb
    Density functional theory, local density approximation, gradient and other corrections (condensed matter electronic structure)
  • YEAR: 2003

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PUBLICATION DATA

ISSN:
0021-9606 (print)   1089-7690 (online)
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REFERENCES (28)
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