An examination is made of the steady-state flow in a cylindrical pipe of a polymer binder containing solid filler particles. A polymer melt or solution whose flow obeys Oswald de Ville's law can be used as the binder. In formulae for calculating the flow velocity profile and the volume flow rate, above all account is taken of the influence of the volume content, and also of the shape and fractional composition of the filler particles and the physicochemical interaction of the filler with the binder, on the rheological properties of the polymer suspension.
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