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Shear flow effects on phase separation of entangled polymer blends

By N. Clarke and T.C.B. McLeish


We introduce an entanglement model mixing rule for stress relaxation in a polymer blend to a modified Cahn-Hilliard equation of motion for concentration fluctuations in the presence of shear flow. Such an approach predicts both shear-induced mixing and demixing, depending on the relative relaxation times and plateau moduli of the two components

Publisher: American Physical Society
Year: 1998
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