Transient filament stretching rheometer |
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| Authors: | Dr Peter Szabo |
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| Institution: | 1. Danish Polymer Centre Department of Chemical Engineering, Technical University of Denmark, Building 227, 2800, Lyngby, Denmark
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| Abstract: | The filament stretching device which is used increasingly as an apparatus for measuring extensional properties of polymeric liquids is analysed. A force balance that includes the effects of inertia and surface tension is derived. The force balance may be used to correct for the effects of inertia and surface tension, provided online measurements of the filament surface shape are available. In addition, the question of initial asymmetry due to gravity is addressed. |
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