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Flow Behavior of Polymeric Fluids

The phenomena just described arc interesting to observe and explain. A quantitative description of them is, however, essential for developing models of [Pg.575]

Hill JW, Cuculo JA (1976) In Elongational flow behavior of polymeric fluids, Rev in Macromol Chem 14 B, Marcel Dekker, New York, p 143... [Pg.179]

J. W. Hill and J. A. Cuculo, Elongated Flow Behavior of Polymeric Fluids, J. Macromol. Sci. Revs. C14, 107 (1976). [Pg.279]

R. K. Upadhyay and A. I. Isayev, Elongational flow behavior of polymeric fluids according to the Leonov model, Rheol. Acta 22, 557-568 (1983). [Pg.96]

There are three phenomena associated with the flow behavior of polymeric fluids which must be considered in the design of extrusion dies pressure drops in contractions (or expansions), die swell, and melt fracture. The latter two bear a direct relation to extrudate uniformity, while the flow behavior in contractions may be related only indirectly to extrudate uniformity. In this section, for illustrative purposes, we present results based primarily on studies in the capillary geometry. One must recognize that the extension of results... [Pg.203]

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