Wall slip of molten polymers

SG Hatzikiriakos - Progress in Polymer Science, 2012 - Elsevier
There is considerable experimental evidence that the classical no-slip boundary condition of
fluid mechanics is not always a valid assumption for the flow of high molecular weight …

Advances and challenges in the high-pressure rheology of complex fluids

A Ahuja, R Lee, YM Joshi - Advances in Colloid and Interface Science, 2021 - Elsevier
Complex fluids and soft materials are ubiquitous in nature and industry. In industrial
processes, these materials often get exposed to high hydrostatic pressures. Some examples …

Slip mechanisms in complex fluid flows

SG Hatzikiriakos - Soft Matter, 2015 - pubs.rsc.org
The classical no-slip boundary condition of fluid mechanics is not always a valid assumption
for the flow of several classes of complex fluids including polymer melts, their blends …

Wall slip and melt fracture of poly (lactides)

N Othman, B Jazrawi, P Mehrkhodavandi… - Rheologica acta, 2012 - Springer
The wall slip and melt fracture behaviour of several commercial polylactides (PLAs) as well
as their rheological properties under shear and extensional have been investigated. The …

2023 Highlights in Interface Science and Engineering: A Collection of Virtual Special Issues

H Heinz, YM Joshi, H Zeng, HK Tsao, SJA de Beer… - Langmuir, 2023 - ACS Publications
Concepts in interface science apply to a plethora of use cases in various subfields of
chemistry, physics, biology, and engineering. Changing interests in applications over time …

Wall slip of HDPEs: Molecular weight and molecular weight distribution effects

M Ansari, YW Inn, AM Sukhadia, PJ DesLauriers… - Journal of …, 2013 - pubs.aip.org
The slip behavior of several high-density polyethylenes (HDPEs) is studied as a function of
molecular weight (M w) and its distribution for broad molecular weight distribution …

Wall slip and spurt flow of polybutadiene

HE Park, ST Lim, F Smillo, JM Dealy… - Journal of …, 2008 - pubs.aip.org
Spurt occurs in the flow of entangled melts in a capillary rheometer in which the driving
pressure is controlled. As the driving pressure increases, at a critical value there is a sudden …

Exploring origins of interfacial yielding and wall slip in entangled linear melts during shear or after shear cessation

PE Boukany, SQ Wang - Macromolecules, 2009 - ACS Publications
We study yielding at interface between a solid wall and entangled polymer melts. At a
average rate higher than the terminal relaxation rate, a combination of rheometric and …

Wall slip of polydisperse linear polymers using double reptation

M Ebrahimi, M Ansari, SG Hatzikiriakos - Journal of Rheology, 2015 - pubs.aip.org
The slip behavior of several high-density polyethylenes (HDPEs) is studied as a function of
molecular weight (MW) and its distribution for a broad range of MW distributions. The slip …

Variations of Rheological Properties and Wall Slip of Polyethylene in Nanoconfined Channels Studied by MD Simulation

N Qiu, Y Xu, D Wang, H Bai, J Xu, C Yang - Macromolecules, 2024 - ACS Publications
In this work, the all-atom molecular dynamics (MD) simulation is employed to study the flow
characteristics of polyethylene (PE) melts in a nanoconfined system. Except for the wall slip …