A large transient surge of shear viscosity is observed in the course of spinodal demixing caused by off-critical quenching of a polymer solution. A characteristic length is derived from light scattering measurements along with a related relaxation time τM whose value agrees with previous independent experiments. Viscosity peak values plotted versus SτM (where S is the shear rate) lie on a master curve of the type (SτM{)}^{{{-}}p}$, where p{}2. This scaling procedure helps bring into focus the mechanism responsible for the novel observation.
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M. B. Palma‐Vittorelli (1992) studied this question.
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