Shear flow of wormlike micelles in pipe and cylindrical Couette geometries as studied by nuclear magnetic resonance microscopy

RW Mair, PT Callaghan - Journal of Rheology, 1997 - pubs.aip.org
The nonlinear viscosity of the wormlike surfactant system cetyl pyridinium chloride/sodium
salicylate (60 mM/100 mM in water) has been investigated in both pipe and cylindrical …

Dominant Factors Affecting Rheological Properties of Cellulose Derivatives Forming Thermotropic Cholesteric Liquid Crystals with Visible Reflection

Y Ogiwara, N Iwata, S Furumi - International journal of molecular sciences, 2023 - mdpi.com
Hydroxypropyl cellulose (HPC) derivatives with alkanoyl side chains are known to form
thermotropic cholesteric liquid crystals (CLCs) with visible reflection. Although the widely …

The effect of temperature and concentration on and tumbling in a liquid crystal polymer

CM Huang, JJ Magda, RG Larson - Journal of Rheology, 1999 - pubs.aip.org
The shear rate γ̇ min at the relative minimum in the N 1 flow curve is studied as a function
of temperature and concentration for liquid crystalline (hydroxypropyl) cellulose (HPC). For …

Structural mechanism for viscosity of semiflexible polymer melts in shear flow

X Xu, J Chen - ACS Macro Letters, 2017 - ACS Publications
The viscosities of semiflexible polymers with different chain stiffnesses in shear flow are
studied via nonequilibrium molecular dynamics techniques. The simulation reproduces the …

Shear induced textures of thermotropic acetoxypropylcellulose

JB Riti, MT Cidade, MH Godinho, AF Martins… - Journal of …, 1997 - pubs.aip.org
Acetoxypropylcellulose is a thermotropic cellulose derivative which is cholesteric from below
room temperature up to 170° C. Its textures during and after shear flow were studied by …

Investigation of the band texture occurring in hydroxypropylcellulose solutions using rheo-optical, rheological and small angle light scattering techniques

P Harrison, P Navard - Rheologica acta, 1999 - Springer
The band texture occurs in lyotropic and thermotropic main-chain polymers after cessation of
flow. This paper begins with a review of work concerned with band texture formation …

Investigation of the band texture occurring in acetoxypropylcellulose thermotropic liquid crystalline polymer using rheo-optical, rheological and light scattering …

P Harrison, P Navard, MT Cidade - Rheologica acta, 1999 - Springer
The optical evolution of the band texture occurring in acetoxypropylcellulose thermotropic
polymer has been investigated as a function of temperature and primary shear rate. Two …

Rheo-optical characterization of liquid crystalline acetoxypropylcellulose melt undergoing large shear flow and relaxation after flow cessation

PF Teixeira, SN Fernandes, J Canejo, MH Godinho… - Polymer, 2015 - Elsevier
The rheological and structural characteristics of acetoxypropylcellulose (APC) nematic melt
are studied at shear rates ranging from 10 s− 1 to 1000 s− 1 which are relevant to extrusion …

Functional materials from liquid crystalline cellulose derivatives: Synthetic routes, characterization and applications

SN Fernandes, JP Canejo, C Echeverria… - … Polymers: Volume 2 …, 2015 - Springer
Cellulose is a linear syndiotactic homopolymer composed of d-anhydroglucopyranose units
which are linked by β-(1→ 4)-glycosidic bonds. The primary and secondary free hydroxyl …

Pressure–volume–temperature results and pressure dependency on the viscosity of three liquid crystalline cellulose derivatives

MT Cidade, M Fernández, A Santamaria - Liquid Crystals, 2012 - Taylor & Francis
The combined analyses of pressure–volume–temperature tests and oscillatory flow
measurements for three thermotropic liquid crystalline cellulose derivatives, one …