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Rheology of immiscible blends: relation with structure in transient shear flows
Author(s) -
Mewis Jan,
Vinckier Inge,
Moldenaers Paula
Publication year - 2000
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 - 10.1002/1521-3900(200008)158:1<29::aid-masy29>3.0.co;2-1
Subject(s) - rheology , transient (computer programming) , materials science , shear (geology) , flow properties , flow (mathematics) , shear flow , transient flow , microstructure , mechanics , shear rate , thermodynamics , computer science , composite material , physics , steady state (chemistry) , chemistry , operating system
A systematic overview of the behaviour of immiscible blends under various transient flow conditions is presented. On the one hand, it has been observed that the rheological response reflects very clearly the actual microstructure of the blend. It is shown that specific rheological measurements can serve as techniques to probe in‐situ and time‐resolved the flow‐induced blend morphology. On the other hand, models that have been developed to describe the flow behaviour and the corresponding morphology evolution during transient shear flow are discussed. The approach that was used to arrive at these models was to introduce the physics of the morphological processes into the existing blackbox model of Doi‐Ohta.