Abstract

An attempt has been made to derive a theory of pseudoplasticity which may be used as a guide in combined studies of rheology and flocculation kinetics. Goodeve's impulse theory of viscosity was used as a starting point. The shear stress-shear rate relation obtained is a more general form of the well-known Williamson empirical equation for pseudoplasticity. The behavior of a given system may be traced in terms of link formation and link rupture rate constants which are related to flocculation and deflocculation rate constants which are susceptible to experimental investigation. Some preliminary data obtained with thickened pseudoplastic latex systems are used to illustrate the application of the theory.

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