Challenges in multiscale modeling of polymer dynamics
The mechanical and physical properties of polymeric materials originate from the interplay of
phenomena at different spatial and temporal scales. As such, it is necessary to adopt …
phenomena at different spatial and temporal scales. As such, it is necessary to adopt …
Multi-chain slip-spring model for entangled polymer dynamics
T Uneyama, Y Masubuchi - The Journal of chemical physics, 2012 - pubs.aip.org
It has been established that entangled polymer dynamics can be reasonably described by
single chain models such as tube and slip-link models. Although the entanglement effect is a …
single chain models such as tube and slip-link models. Although the entanglement effect is a …
Equation of state based slip spring model for entangled polymer dynamics
A mesoscopic, mixed particle-and field-based Brownian dynamics methodology for the
simulation of entangled polymer melts has been developed. Polymeric beads consist of …
simulation of entangled polymer melts has been developed. Polymeric beads consist of …
Plateau moduli of several single-chain slip-link and slip-spring models
T Uneyama, Y Masubuchi - Macromolecules, 2021 - ACS Publications
We calculate the plateau moduli of several single-chain slip-link and slip-spring models for
entangled polymers. In these models, the entanglement effects are phenomenologically …
entangled polymers. In these models, the entanglement effects are phenomenologically …
Primitive chain network simulation of elongational flows of entangled linear chains: Role of finite chain extensibility
T Yaoita, T Isaki, Y Masubuchi, H Watanabe… - …, 2011 - ACS Publications
For entangled linear monodisperse polymers, uniaxial elongational flow behavior was
examined with the primitive chain network (PCN) simulation, which was originally formulated …
examined with the primitive chain network (PCN) simulation, which was originally formulated …
Test of Orientation/Stretch-Induced Reduction of Friction via Primitive Chain Network Simulations for Polystyrene, Polyisoprene, and Poly(n-butyl acrylate)
Y Masubuchi, Y Matsumiya, H Watanabe - Macromolecules, 2014 - ACS Publications
Entanglement dynamics of polymers under fast elongation has not been fully understood.
Namely, the steady-state uniaxial elongational viscosity of entangled polystyrene (PS) …
Namely, the steady-state uniaxial elongational viscosity of entangled polystyrene (PS) …
Origin of stress overshoot under start-up shear in primitive chain network simulation
Y Masubuchi, H Watanabe - ACS Macro Letters, 2014 - ACS Publications
Birefringence measurement demonstrates that the segment orientation of entangled
polymers overshoots on start-up of fast shear [Pearson et al. J. Rheol. 1989 33, 517–535] …
polymers overshoots on start-up of fast shear [Pearson et al. J. Rheol. 1989 33, 517–535] …
Structure, dimensions, and entanglement statistics of long linear polyethylene chains
K Foteinopoulou, NC Karayiannis, M Laso… - The Journal of …, 2009 - ACS Publications
This work elucidates the effect of both temperature and molecular length on the
conformational and structural properties as well as on the entanglement statistics of long …
conformational and structural properties as well as on the entanglement statistics of long …
Comparison among slip-link simulations of bidisperse linear polymer melts
Y Masubuchi, H Watanabe, G Ianniruberto… - …, 2008 - ACS Publications
Recent simulations of entangled polymer dynamics are based on slip-link models pioneered
by Hua and Schieber (J. Chem. Phys. 1998, 109, 10018). In this study, we compare different …
by Hua and Schieber (J. Chem. Phys. 1998, 109, 10018). In this study, we compare different …
Entanglement molecular weight
Y Masubuchi, Y Doi, T Uneyama - Nihon Reoroji Gakkaishi, 2020 - jstage.jst.go.jp
In some literature, entanglement molecular weight M e is discussed as a material property
that characterizes magnitudes of entanglement for polymeric liquids. However, M e was …
that characterizes magnitudes of entanglement for polymeric liquids. However, M e was …