[HTML][HTML] Local effects of ring topology observed in polymer conformation and dynamics by neutron scattering—A review

V Arrighi, JS Higgins - Polymers, 2020 - mdpi.com
The physical properties of polymers depend on a range of both structural and chemical
parameters, and in particular, on molecular topology. Apparently simple changes such as …

Melt structure and dynamics of unentangled polyethylene rings: Rouse theory, atomistic molecular dynamics simulation, and comparison with the linear analogues

G Tsolou, N Stratikis, C Baig, PS Stephanou… - …, 2010 - ACS Publications
Atomistic configurations of model unentangled ring polyethylene (PE) melts ranging in chain
length from C24 up to C400 have been subjected to detailed molecular dynamics (MD) …

Chain dynamics of ring and linear polyethylene melts from molecular dynamics simulations

K Hur, C Jeong, RG Winkler, N Lacevic, RH Gee… - …, 2011 - ACS Publications
The dynamical characteristics of ring and linear polyethylene (PE) molecules in the melt
have been studied by employing atomistic molecular dynamics simulations for linear PEs …

Self-diffusion in molecular fluids and noble gases: available data

O Suárez-Iglesias, I Medina, MA Sanz… - Journal of Chemical & …, 2015 - ACS Publications
Experimental self-diffusivities of gases, vapors, and liquids obtained by means of tracer
techniques and nuclear magnetic resonance are reviewed. The considered substances …

Entangled polymer dynamics beyond reptation

M Abadi, MF Serag, S Habuchi - Nature Communications, 2018 - nature.com
Macroscopic properties of polymers arise from microscopic entanglement of polymer chains.
Entangled polymer dynamics have been described theoretically by time-and space …

Strong effects of molecular topology on diffusion of entangled DNA molecules

RM Robertson, DE Smith - Proceedings of the National Academy of …, 2007 - pnas.org
When long polymers such as DNA are in a highly concentrated state they may become
entangled, leading to restricted self-diffusion. Here, we investigate the effect of molecular …

Effect of bending and torsion rigidity on self-diffusion in polymer melts: A molecular-dynamics study

M Bulacu, E van der Giessen - The Journal of chemical physics, 2005 - pubs.aip.org
Extensive molecular-dynamics simulations have been performed to study the effect of chain
conformational rigidity, controlled by bending and torsion potentials, on self-diffusion in …

Comparison of ring and linear polyethylene from molecular dynamics simulations

K Hur, RG Winkler, DY Yoon - Macromolecules, 2006 - ACS Publications
The conformational and dynamical properties of macromolecular melts are strongly affected
by topological constraints. The extent to which the constraints become dominant depends on …

Self-diffusion of entangled linear and circular DNA molecules: Dependence on length and concentration

RM Robertson, DE Smith - Macromolecules, 2007 - ACS Publications
Self-diffusion coefficients (D) of DNA molecules of varying length and concentration were
measured by tracking the Brownian motion of individual fluorescently labeled tracer …

Chain length dependence of the thermodynamic properties of linear and cyclic alkanes and polymers

D Huang, SL Simon, GB McKenna - The Journal of chemical physics, 2005 - pubs.aip.org
The specific heat capacity was measured with step-scan differential scanning calorimetry for
linear alkanes from pentane (C 5 H 12) to nonadecane (C 19 H 40)⁠, for several cyclic …