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Free Energy of a Non‐Gaussian Polymer Brush
Author(s) -
Amoskov Victor M.,
Pryamitsyn Victor A.
Publication year - 2003
Publication title -
macromolecular theory and simulations
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.37
H-Index - 56
eISSN - 1521-3919
pISSN - 1022-1344
DOI - 10.1002/mats.200390020
Subject(s) - brush , gaussian , chain (unit) , polymer brush , extensibility , planar , polymer , gaussian network model , materials science , chemistry , physics , computational chemistry , composite material , computer science , quantum mechanics , computer graphics (images) , polymerization , operating system
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).
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