TITLE

A density functional analysis of the effects of surface correlations in simple models of polymer blends

AUTHOR(S)
Wong, Ka-Yiu; Trache, Maria; McMullen, William E.
PUB. DATE
November 1995
SOURCE
Journal of Chemical Physics;11/8/1995, Vol. 103 Issue 18, p8257
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We analyze the long-wavelength features of near-surface composition profiles of monomers in a binary, symmetric blend using a recently developed density functional formalism for polymers in nonuniform environments. Relative to simpler theories of polymer–surface adsorption, our theory predicts a small increase of the interfacial width. We illustrate a derivation of a surface–boundary condition on the composition profile directly from the monomer–surface Hamiltonian. This boundary condition, when combined with our density functional analysis, leads to first-order wetting transitions. © 1995 American Institute of Physics.
ACCESSION #
7624761

 

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