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Modelling segmental dynamics in miscible polymer blends
Author(s) -
Leroy Eric,
Alegría Angel,
Colmenero Juan
Publication year - 2003
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200350803
Subject(s) - materials science , polymer blend , polymer , thermodynamics , thermal , simple (philosophy) , dynamics (music) , component (thermodynamics) , polymer science , polymer chemistry , composite material , copolymer , physics , philosophy , epistemology , acoustics
The complex thermorheological behaviour observed in miscible polymer blends is modelled by combining two existing theoretical approaches: The Thermal Concentration Fluctuation model (A. Zetsche, E.W. Fischer, Acta Polymer. 1994 , 45 , 168) and the Effective Concentration model (T.P. Lodge, T.C.B. McLeish, Macromolecules 2000 , 33 , 5278), giving rise to a simple model with only one adjustable parameter. This model is then tested in the case of two model blends allowing to show its abilities and limitations to describe how the respective segmental dynamics of lowest or highest T g component are affected by blending.