Nonlinear shear rheometry: Brief history, recent progress, and challengesa) This manuscript was handled by Editorial Board Member RH Colby.

S Costanzo, D Parisi, T Schweizer… - Journal of Rheology, 2024 - pubs.aip.org
High-shear rate rotational rheometry provides access to the fast nonlinear dynamics of soft
materials and, particularly, their shear stress (exhibiting shear thinning and/or thickening) as …

Scaling perspective on dynamics of nanoparticles in polymers: length-and time-scale dependent nanoparticle–polymer coupling

T Ge - Macromolecules, 2023 - ACS Publications
The motion of nanoparticles in a polymer matrix is dictated by the intricate coupling of the
nanoparticles and surrounding polymers. Various length-and time-scale dependent features …

A review of rheology for ring polymers and polymers with internal loops: comparison of recent experimental and theoretical studies

Y Doi - Korea-Australia Rheology Journal, 2024 - Springer
Polymer architecture (ie, chain connecting manner) and properties are closely correlate, and
strongly influence rheological properties that reflect microscopic molecular dynamics. This …

Unexpected slow relaxation dynamics in pure ring polymers arise from intermolecular interactions

MQ Tu, O Davydovich, B Mei, PK Singh… - ACS Polymers …, 2023 - ACS Publications
Ring polymers have fascinated scientists for decades, but experimental progress has been
challenging due to the presence of linear chain contaminants that fundamentally alter …

Nature of steady-state fast flow in entangled polymer melts: chain stretching, shear thinning, and viscosity scaling

Z Xu, R Sun, W Lu, S Patil, J Mays, KS Schweizer… - …, 2022 - ACS Publications
Understanding the nonequilibrium dynamics of topologically entangled polymers under
strong external deformation has been a grand challenge in polymer science for more than …

Molecular Simulations Revealing Effects of Non-concatenated Ring Topology on Phase Behavior of Symmetric Diblock Copolymers

A Wijesekera, DL Vigil, T Ge - Macromolecules, 2024 - ACS Publications
The distinctiveness of nonconcatenated ring polymers, as manifested in their fractal globular
conformations and self-similar dynamics with no long-lived entanglement network, propels …

Unified understanding of the impact of semiflexibility, concentration, and molecular weight on macromolecular-scale ring diffusion

B Mei, GS Grest, S Liu, TC O'Connor… - Proceedings of the …, 2024 - pnas.org
Conformationally fluctuating, globally compact macromolecules such as polymeric rings,
single-chain nanoparticles, microgels, and many-arm stars display complex dynamic …

Linear viscoelastic properties of putative cyclic polymers synthesized by reversible radical recombination polymerization (R3P)

D Chen, K Molnar, H Kim, CA Helfer, G Kaszas… - …, 2023 - ACS Publications
Linear viscoelastic properties in both melt and solution states are reported for a series of
poly (3, 6-dioxa-1, 8-octanedithiol)(polyDODT) made by reversible radical recombination …

A reexamination of the Cox–Merz rule through the lens of recovery rheology

YH Shim, JJ Griebler, SA Rogers - Journal of Rheology, 2024 - pubs.aip.org
Empirical rules play a crucial role in industrial and experimental settings for efficiently
determining the rheological properties of materials, thereby saving both time and resources …

Nonlinear rheometry of entangled polymeric rings and ring-linear blends

D Parisi, M Kaliva, S Costanzo, Q Huang, PJ Lutz… - Journal of …, 2021 - pubs.aip.org
We present a comprehensive experimental rheological dataset for purified entangled ring
polystyrenes and their blends with linear chains in nonlinear shear and elongation. In …