| Modelling nonlinear polymer rheology is still challenging (2008) | |||||||||||
Abstract | |||||||||||
| The new tube model with variable diameter (Marrucci and Ianniruberto, 2004), recently introduced to interpret new elongational data of polymer melts, is here extended to encompass arbitrary flows, specifically shear flows. The predicted results compare well with existing data of entangled polymer melts. Challenges still remain when the comparison is extended to recent elongational data on entangled solutions by Sridhar. | |||||||||||
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