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Dynamic dilution and the viscosity of star-polymer melts

✍ Scribed by Ball, R. C.; McLeish, T. C. B.

Book ID
120038606
Publisher
American Chemical Society
Year
1989
Tongue
English
Weight
345 KB
Volume
22
Category
Article
ISSN
0024-9297

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πŸ“œ SIMILAR VOLUMES

On the viscosity-temperature behavior of
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Based on the free volume concept and the equation by Doolittle, an empirical equation is offered for the flow activation energy, E\*, for polymer melts for the range of over 150Β°C above glass transition temperature, Tg. This E\* represents the temperature coefficient of viscosity for the Newtonian r

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In a Rheotens experiment, the tensile force needed for elongation of an extruded filament is measured as a function of the draw ratio. For thermo-rheologically simple polymer melts, the existence of Rheotens-mastercurves was proved by Wagner, Schulze, and G(Sttfert (1995). Rheotens-mastercurves are