Features of the phase behavior of block copolymers related to their polydispersity

To calculate cloud points of a melt of block copolymers, at which its microphase separation occurs, for the first time in the theory of polymers, a spectral method is used in a model that takes into account the compressibility of the melt and the polydispersity of its macromolecules. A particular ca...

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Bibliographic Details
Published in:Polymer science. Series A, Chemistry, physics Chemistry, physics, 2012-05, Vol.54 (5), p.426-435
Main Authors: Kuchanov, S. I., Ivanova, A. N., Manevich, L. I.
Format: Article
Language:English
Subjects:
Block copolymers
Chemistry
Chemistry and Materials Science
Compressibility
Copolymers
Macromolecules
Mathematical models
Melts
Polydispersity
Polymer Sciences
Spectral methods
Theory and Modeling
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Summary:To calculate cloud points of a melt of block copolymers, at which its microphase separation occurs, for the first time in the theory of polymers, a spectral method is used in a model that takes into account the compressibility of the melt and the polydispersity of its macromolecules. A particular case of this calculation for a copolymer whose macromolecules consist of two blocks is described, and the polydispersity of each of them is defined through the exponential Flory distribution.
ISSN:0965-545X
1555-6107
DOI:10.1134/S0965545X12050057