Gradient and vorticity banding

JKG Dhont, WJ Briels - Rheologica acta, 2008 - Springer
Abstract “Banded structures” of macroscopic dimensions can be induced by simple shear
flow in many different types of soft matter systems. Depending on whether these bands …

Polymer extension flows and instabilities

AY Malkin, A Arinstein, VG Kulichikhin - Progress in Polymer Science, 2014 - Elsevier
The basics of the uniaxial stretching of polymer melts and solutions are considered,
including analysis of the transient regimes of deformation, as well as the different types of …

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 …

Quadruple hydrogen bonding supramolecular elastomers for melt extrusion additive manufacturing

X Chen, CE Zawaski, GA Spiering, B Liu… - … applied materials & …, 2020 - ACS Publications
This manuscript describes the versatility of highly directional, noncovalent interactions, ie,
quadruple hydrogen bonding (QHB), to afford novel polyurea segmented supramolecular …

The impact of rhamnogalacturonan-I side chain monosaccharides on the rheological properties of citrus pectin

AG Sousa, HL Nielsen, I Armagan, J Larsen… - Food hydrocolloids, 2015 - Elsevier
Citrus peel is the preferred raw material for pectin production, mainly due to its high pectin
content but also due to the gelling capabilities. Especially the high galacturonic acid content …

Homogeneous shear, wall slip, and shear banding of entangled polymeric liquids in simple-shear rheometry: A roadmap of nonlinear rheology

SQ Wang, S Ravindranath, PE Boukany - Macromolecules, 2011 - ACS Publications
The recent particle-tracking velocimetric (PTV) observations revealed that well-entangled
polymer solutions and melts tend to either exhibit wall slip or assume an inhomogeneous …

[HTML][HTML] A phenomenological molecular model for yielding and brittle-ductile transition of polymer glasses

SQ Wang, S Cheng, P Lin, X Li - The Journal of chemical physics, 2014 - pubs.aip.org
This work formulates, at a molecular level, a phenomenological theoretical description of the
brittle-ductile transition (BDT) in tensile extension, exhibited by all polymeric glasses of high …

Fingerprinting molecular relaxation in deformed polymers

Z Wang, CN Lam, WR Chen, W Wang, J Liu, Y Liu… - Physical Review X, 2017 - APS
The flow and deformation of macromolecules is ubiquitous in nature and industry, and an
understanding of this phenomenon at both macroscopic and microscopic length scales is of …

Linear and nonlinear shear rheology of a marginally entangled ring polymer

ZC Yan, S Costanzo, Y Jeong, T Chang… - …, 2016 - ACS Publications
We present systematic, unique linear and nonlinear shear rheology data of an
experimentally pure ring polystyrene and its linear precursor. This polymer was synthesized …

Banding in simple steady shear of entangled polymer solutions

S Ravindranath, SQ Wang, M Olechnowicz… - …, 2008 - ACS Publications
Velocity profiles of six entangled polybutadiene solutions (PBD) have been determined
during startup shear using a particle tracking velocimetric (PTV) technique, where the …