Non-universal features in uniaxially extensional rheology of linear polymer melts and concentrated solutions: A review
Y Matsumiya, H Watanabe - Progress in Polymer Science, 2021 - Elsevier
Rheological behavior of polymeric liquids has been considered to be universally determined
by a few time-independent molecular parameters (such as the Rouse relaxation time and …
by a few time-independent molecular parameters (such as the Rouse relaxation time and …
Modeling the rheology of polymer melts and solutions
We review constitutive modeling of solutions and melts of linear polymers, focusing on
changes in rheological behavior in shear and extensional flow as the concentration …
changes in rheological behavior in shear and extensional flow as the concentration …
Shear and extensional rheology of polystyrene melts and solutions with the same number of entanglements
S Costanzo, Q Huang, G Ianniruberto… - …, 2016 - ACS Publications
We investigate the nonlinear shear and uniaxial extensional rheology of entangled
polystyrene (PS) melts and solutions having the same number Z of entanglements, hence …
polystyrene (PS) melts and solutions having the same number Z of entanglements, hence …
When polymer chains are highly aligned: a perspective on extensional rheology
Q Huang - Macromolecules, 2022 - ACS Publications
We provide a Perspective on recent findings in extensional rheology for polymer melts and
solutions with different macromolecular architectures. For linear polymer systems, we focus …
solutions with different macromolecular architectures. For linear polymer systems, we focus …
Unexpected stretching of entangled ring macromolecules
In the melt state at equilibrium, entangled nonconcatenated ring macromolecules adapt
more compact conformations compared to their linear analogs and do not form an …
more compact conformations compared to their linear analogs and do not form an …
Melts of linear polymers in fast flows
G Ianniruberto, G Marrucci, Y Masubuchi - Macromolecules, 2020 - ACS Publications
We report on recent progress in our understanding of the rheological behavior of polymer
melts, resulting from the work of several investigators, mostly on fast extensional flows. They …
melts, resulting from the work of several investigators, mostly on fast extensional flows. They …
Relating chain conformations to extensional stress in entangled polymer melts
Nonlinear extensional flows are common in polymer processing, but they remain
challenging theoretically because dramatic stretching of chains deforms the entanglement …
challenging theoretically because dramatic stretching of chains deforms the entanglement …
Bridging the gap between polymer melts and solutions in extensional rheology
Since its inception, the tube model of polymer dynamics has undergone several
modifications to account for observed experimental trends. One trend that has yet to be …
modifications to account for observed experimental trends. One trend that has yet to be …
Stress relaxation in highly oriented melts of entangled polymers
Molecular dynamics simulations are used to study relaxation of entangled polymer melts
deformed far from equilibrium by uniaxial extensional flow. Melts are elongated to a Hencky …
deformed far from equilibrium by uniaxial extensional flow. Melts are elongated to a Hencky …
Nonlinear Elongational Rheology of Unentangled Polystyrene and Poly(p-tert-butylstyrene) Melts
Y Matsumiya, H Watanabe, Y Masubuchi… - …, 2018 - ACS Publications
Nonlinear rheological behavior under uniaxial elongation was examined for unentangled
melts of polystyrene (PS27; molecular weight M= 27k) and poly (p-tert-butylstyrene)(PtBS53; …
melts of polystyrene (PS27; molecular weight M= 27k) and poly (p-tert-butylstyrene)(PtBS53; …