Free Energy of a Non-Gaussian Polymer Brush

An analytical theory describing layers of polymer chains grafted to a planar surface (i.e. polymer brush) is developed. We consider a brush of chains with finite extensibility (or non‐Gaussian brush) within the framework of molecular field theory. An analytical solution for free energy of the brush...

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Bibliographic Details
Published inMacromolecular theory and simulations Vol. 12; no. 4; pp. 223 - 228
Main Authors Amoskov, Victor M., Pryamitsyn, Victor A.
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 01.05.2003
WILEY‐VCH Verlag
Subjects
Brushes
Chains (polymeric)
Extensibility
Field theory
Free energy
interfaces
lattice models
Mathematical analysis
monolayers
Non-Gaussian
polymer brush
Simulation
theory
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Summary:An analytical theory describing layers of polymer chains grafted to a planar surface (i.e. polymer brush) is developed. We consider a brush of chains with finite extensibility (or non‐Gaussian brush) within the framework of molecular field theory. An analytical solution for free energy of the brush and a few other brush characteristics are obtained and studied. Comparison with other known models of a brush is also made. Chain extensibility E(x, y) for Gaussian model (dashed lines) and BCC model (solid lines) for a few chain end positions y (numbers near curves).
Bibliography:ArticleID:MATS200390020
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content type line 23
ISSN:1022-1344
1521-3919
DOI:10.1002/mats.200390020