Fundamentals of phase separation in polymer blend thin films [electronic resource] / Sam Coveney.
2015
QD381.9.S44
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Title
Fundamentals of phase separation in polymer blend thin films [electronic resource] / Sam Coveney.
Author
Coveney, Sam, author.
ISBN
9783319193991 electronic book
3319193996 electronic book
9783319193984
3319193996 electronic book
9783319193984
Published
Cham, Switzerland : Springer, [2015]
Language
English
Description
1 online resource.
Call Number
QD381.9.S44
Dewey Decimal Classification
547.7046
Summary
This work sheds new light on fundamental aspects of phase separation in polymer-blend thin films. A key feature underlying the theoretical models is the unification of one-dimensional thermodynamic phase equilibria with film evolution phenomena in two- and three dimensions. Initially, an established 'phase portrait' method, useful for visualising and calculating phase equilibria of polymer-blend films, is generalised to systems without convenient simplifying symmetries. Thermodynamic equilibria alone are then used to explain a film roughening mechanism in which laterally coexisting phases can have different depths in order to minimise free energy. The phase portraits are then utilised to demonstrate that simulations of lateral phase separation via a transient wetting layer, which conform very well with experiments, can be satisfactorily explained by 1D phase equilibria and a 'surface bifurcation' mechanism. Lastly, a novel 3D model of coupled phase separation and dewetting is developed, which demonstrates that surface roughening shadows phase separation in thin films.
Note
"Doctoral thesis accepted by the University of Sheffield, UK."
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Source of Description
Online resource; title from PDF title page (viewed June 24, 2015).
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Springer theses.
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Table of Contents
Development of Theory for Bulk Polymer-Blend Systems.- Development of Theory for Polymer-Blend Thin Films
Hamiltonian Phase Portraits for Polymer-Blend Thin Films
Lateral Phase Separation via Surface Bifurcation
Coupled Surface Roughening and Phase Separation.
Hamiltonian Phase Portraits for Polymer-Blend Thin Films
Lateral Phase Separation via Surface Bifurcation
Coupled Surface Roughening and Phase Separation.