Field-cycling NMR relaxometry of viscous liquids and polymers

D Kruk, A Herrmann, EA Rössler - Progress in nuclear magnetic resonance …, 2012 - Elsevier
Field-cycling (FC) NMR relaxometry is a very important source of information on dynamical
and structural features of molecules. It is especially well established for liquids and …

Modeling of entangled polymer diffusion in melts and nanocomposites: A review

A Karatrantos, RJ Composto, KI Winey, M Kröger… - Polymers, 2019 - mdpi.com
This review concerns modeling studies of the fundamental problem of entangled
(reptational) homopolymer diffusion in melts and nanocomposite materials in comparison to …

Tube theory of entangled polymer dynamics

TCB McLeish - Advances in physics, 2002 - Taylor & Francis
The dynamics of entangled flexible polymers is dominated by physics general to many
chemical systems. It is an appealing interdisciplinary field where experimental and …

Time and length scales of polymer melts studied by coarse-grained molecular dynamics simulations

JT Padding, WJ Briels - The Journal of chemical physics, 2002 - pubs.aip.org
We present coarse-grained molecular dynamics simulations of linear polyethylene (PE)
melts, ranging in chain length from C 80 to C 1000. The employed effective potentials …

Crossover from the rouse to the entangled polymer melt regime: signals from long, detailed atomistic molecular dynamics simulations, supported by rheological …

VA Harmandaris, VG Mavrantzas, DN Theodorou… - …, 2003 - ACS Publications
Results are presented from 300 ns long atomistic molecular dynamics (MD) simulations of
polyethylene (PE) melts, ranging in molecular length from C78 to C250. Above C156, the …

Structure and dynamics of amorphous polymers: computer simulations compared to experiment and theory

W Paul, GD Smith - Reports on Progress in Physics, 2004 - iopscience.iop.org
This contribution considers recent developments in the computer modelling of amorphous
polymeric materials. Progress in our capabilities to build models for the computer simulation …

Cation transport in polymer electrolytes: a microscopic approach

A Maitra, A Heuer - Physical review letters, 2007 - APS
A microscopic theory for cation diffusion in polymer electrolytes is presented. Based on a
thorough analysis of molecular dynamics simulations on poly (ethylene) oxide with LiBF 4 …

Interchain pressure effect in extensional flows of entangled polymer melts

G Marrucci, G Ianniruberto - Macromolecules, 2004 - ACS Publications
Recent data by Hassager and co-workers [Bach et al. Macromolecules 2003, 36, 5174] of
elongational viscosity of nearly monodisperse polystyrene melts are interpreted by including …

Phase separation in binary mixtures containing polymers: A quantitative comparison of single‐chain‐in‐mean‐field simulations and computer simulations of the …

M Müller, GD Smith - Journal of Polymer Science Part B …, 2005 - Wiley Online Library
We discuss a phenomenological, coarse‐grained simulation scheme, single‐chain‐in‐
mean‐field (SCMF) simulation, for investigating the kinetics of phase separation in dense …

Intramolecular long-range correlations in polymer melts: The segmental size distribution and its moments

JP Wittmer, P Beckrich, H Meyer, A Cavallo… - Physical Review E …, 2007 - APS
We present theoretical arguments and numerical results to demonstrate long-range
intrachain correlations in concentrated solutions and melts of long flexible polymers, which …