The role of structure in polymer rheology

VG Kulichikhin, AY Malkin - Polymers, 2022 - mdpi.com
The review is devoted to the analysis of the current state of understanding relationships
among the deformation-induced structure transformations, observed rheological properties …

Perspectives on viscoelastic flow instabilities and elastic turbulence

SS Datta, AM Ardekani, PE Arratia, AN Beris… - Physical Review …, 2022 - APS
Viscoelastic fluids are a common subclass of rheologically complex materials that are
encountered in diverse fields from biology to polymer processing. Often the flows of …

Spreading, pinching, and coalescence: the Ohnesorge units

MA Fardin, M Hautefeuille, V Sharma - Soft Matter, 2022 - pubs.rsc.org
Understanding the kinematics and dynamics of spreading, pinching, and coalescence of
drops is critically important for a diverse range of applications involving spraying, printing …

Fluid flow templating of polymeric soft matter with diverse morphologies

RS Bang, S Roh, AH Williams, SD Stoyanov… - Advanced …, 2023 - Wiley Online Library
It is challenging to find a conventional nanofabrication technique that can consistently
produce soft polymeric matter of high surface area and nanoscale morphology in a way that …

Concentration regimes for extensional relaxation times of unentangled polymer solutions

DD Soetrisno, CDV Martínez Narváez, V Sharma… - …, 2023 - ACS Publications
We study the extensional flow properties of polyacrylamide (PAM) solutions with various
molecular weights and dispersities using a drip**-onto-substrate (DoS) protocol. A recent …

Flexibility, extensibility, and ratio of Kuhn length to packing length govern the pinching dynamics, coil-stretch transition, and rheology of polymer solutions

J Dinic, V Sharma - Macromolecules, 2020 - ACS Publications
We elucidate the influence of chemical structure on macromolecular hydrodynamics,
rheological response, and pinching dynamics underlying drop formation/liquid transfer using …

Evaporation and rheology chart the processability map for centrifugal force spinning

J Merchiers, CDV Martínez Narváez, C Slykas… - …, 2021 - ACS Publications
We show that poly (ethylene oxide)(PEO) solutions formulated using solvent mixtures of
acetonitrile (AcN) and water can be centrifugally spun into fibers. We find that spinnability …

Power laws dominate shear and extensional rheology response and capillarity-driven pinching dynamics of entangled hydroxyethyl cellulose (HEC) solutions

J Dinic, V Sharma - Macromolecules, 2020 - ACS Publications
Quantitative studies of capillarity-driven pinching and extensional rheology of aqueous
solutions of polysaccharides like hydroxyethyl cellulose (HEC) are beyond the measurable …

Solvent properties influence the rheology and pinching dynamics of polyelectrolyte solutions: Thickening the pot with glycerol and cellulose gum

LN Jimenez, CDV Martínez Narváez, V Sharma - Macromolecules, 2022 - ACS Publications
Charge-bearing groups that ionize in solution influence the macromolecular conformations,
interactions, and dynamics of polyelectrolytes. The rich and complex shear rheological …

Heavy metal removal using structured sorbents 3D printed from carbon nanotube-enriched polymer solutions

J Xu, C Slykas, AS Braegelman, KG Alvarez, T Kasl… - Matter, 2022 - cell.com
Sorbents with structures tailored at the molecular through device scales are needed to meet
the demand for separations that can isolate trace analytes from complex mixtures. Here …