Glass formation in ring polymer melts having variable knot complexity and molecular mass

YT Dong, XY Song, X Xu, S Jiang, JF Douglas… - …, 2024 - ACS Publications
The variation of polymer topology provides an alternative way to tune the properties of
polymer materials without varying the chemistry of the monomers composing the polymer …

Parameter-free predictions of the viscoelastic response of glassy polymers from non-affine lattice dynamics

VV Palyulin, C Ness, R Milkus, RM Elder, TW Sirk… - Soft Matter, 2018 - pubs.rsc.org
We study the viscoelastic response of amorphous polymers using theory and simulations. By
accounting for internal stresses and considering instantaneous normal modes (INMs) within …

Role of cohesive energy in glass formation of polymers with and without bending constraints

WS Xu, JF Douglas, X Xu - Macromolecules, 2020 - ACS Publications
The influence of the monomer chemical structure and architecture on polymer glass
formation has been long appreciated to be dominated by two principal molecular factors …

Universal G′ ∼ L–3 Law for the Low-Frequency Shear Modulus of Confined Liquids

A Zaccone, L Noirez - The Journal of Physical Chemistry Letters, 2021 - ACS Publications
Liquids confined to sub-millimeter scales have remained poorly understood. One of the most
striking effects is the large elasticity revealed using good wetting conditions, which grows …

Boson peak, elasticity, and glass transition temperature in polymer glasses: Effects of the rigidity of chain bending

N Tomoshige, H Mizuno, T Mori, K Kim… - Scientific Reports, 2019 - nature.com
The excess low-frequency vibrational spectrum, called boson peak, and non-affine elastic
response are the most important particularities of glasses. Herein, the vibrational and …

Network physics of attractive colloidal gels: Resilience, rigidity, and phase diagram

M Nabizadeh, F Nasirian, X Li… - Proceedings of the …, 2024 - National Acad Sciences
Colloidal gels exhibit solid-like behavior at vanishingly small fractions of solids, owing to
ramified space-spanning networks that form due to particle–particle interactions. These …

Understanding the role of chain stiffness in the mechanical response of cross-linked polymer: Flexible vs. semi-flexible chains

X Zheng, W **a, Y Zhang - Extreme Mechanics Letters, 2024 - Elsevier
Cross-linked polymers are widely used in structural, engineering, and biomedical
applications due to their lightweight and superior properties. Although chain bending …

A parallel fluid–solid coupling model using LAMMPS and Palabos based on the immersed boundary method

J Tan, TR Sinno, SL Diamond - Journal of computational science, 2018 - Elsevier
The study of viscous fluid flow coupled with rigid or deformable solids has many applications
in biological and engineering problems, eg, blood cell transport, drug delivery, and …