Applied Rheology: Publications

Appl Rheol online available publications for selected issue

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Delegates of the national rheological societies
Society's Site Sep 2001 - Feb 2002

Appl. Rheol. 11:4 (2001) 236-240

Cite this publication as follows:
Rheological Societies: Society's Site Sep 2001 - Feb 2002, Appl. Rheol. 11 (2001) 236.

Niall W. G. Young
Nordic Rheology Conference 2001

Appl. Rheol. 11:4 (2001) 231-233

Cite this publication as follows:
Young NWG: Nordic Rheology Conference 2001, Appl. Rheol. 11 (2001) 231.

Y. Masubuchi,T. Morii,T. Saito, H. Ito, Ch. Nonomura
Applied Rheology discussed in the 12th Annual Meeting of the Japan Society of Polymer Processing (JSPP)

Appl. Rheol. 11:4 (2001) 230

Cite this publication as follows:
Masubuchi Y, Morii T, Saito T, Ito H, Nonomura C: Applied Rheology discussed in the 12th Annual Meeting of the Japan Society of Polymer Processing (JSPP), Appl. Rheol. 11 (2001) 230.

Jukka Laitinen, Geoffrey M. Rowe
First European Symposium on Bituminous Materials Rheology and Pavement Performance

Appl. Rheol. 11:4 (2001) 228-229

Cite this publication as follows:
Laitinen J, Rowe GM: First European Symposium on Bituminous Materials Rheology and Pavement Performance, Appl. Rheol. 11 (2001) 228.

Michael Schmidt
Rheological properties of suspensions with spherical particles in shear and elongational flows

Appl. Rheol. 11:4 (2001) 220-227

The rheological behaviour of model suspensions with spherical particles was experimentally investigated in shear an elongational flows. Particular attention was focussed on the main parameters affecting the flow behaviour of suspensions such as particle size distribution, particle size, particle surface, humidity, temperature and viscosity of the matrix fluids. All variables were investigated depending on the pre-shear conditions. In this regard the validity of the time-temperature-superposition and the Trouton-ratio was verified for suspensions with spherical particles.

Cite this publication as follows:
Schmidt M: Rheological properties of suspensions with spherical particles in shear and elongational flows, Appl. Rheol. 11 (2001) 220.

G.W. Becker
Festvortrag 50 Jahre Deutsche Rheologische Gesellschaft

Appl. Rheol. 11:4 (2001) 210-219

Cite this publication as follows:
Becker GW: Festvortrag 50 Jahre Deutsche Rheologische Gesellschaft , Appl. Rheol. 11 (2001) 210.

Peter Fischer, Martin Kroger
Golden Jubilee meeting of the German Society of Rheology

Appl. Rheol. 11:4 (2001) 207-209

Cite this publication as follows:
Fischer P, Kroger M: Golden Jubilee meeting of the German Society of Rheology, Appl. Rheol. 11 (2001) 207.

G. Isaakides, A. Frendel, J. Bouton
Product Info: MiniLab - Compounder and Reactor

Appl. Rheol. 11:4 (2001) 203-206

Cite this publication as follows:
Isaakide G, Frendel A, Bouton J: Product Info: MiniLab - Compounder and Reactor, Appl. Rheol. 11 (2001) 203.

K. Wollny
New Rheological Test Method to Determine the Dewatering Kinetics of Suspensions

Appl. Rheol. 11:4 (2001) 197-202

Rheology plays an important role in dewatering processes. It is therefore interesting to analyze the dewatering process and the rheological behavior of a suspension simultaneously. An exact determination of the immobilization point at the maximum of the loss factor as well as the immobilization time can be attained using an oscillatory time test with preset strain. The degree of dewatering is determined via normal force controlled gap setting. This report offers an insight into the theory of the dewatering of liquid supersaturated suspensions and shows how the kinetics of dewatering can be determined using paper coating as an example.

Cite this publication as follows:
Wollny K: New Rheological Test Method to Determine the Dewatering Kinetics of Suspensions, Appl. Rheol. 11 (2001) 197.

K. Araki,T. Kitano, B. Hausnerova
Rheological Properties of Carbon Fiber and Carbon Black Filled Liquid Crystalline Polymer Melts

Appl. Rheol. 11:4 (2001) 188-196

The rheological properties of thermotropic liquid crystalline polymer (LCP) and its carbon fiber (CF) and carbon black (CB) filled composites in molten state were measured using a cone-plate rheometer. The measurements of the CF/LCP and CB/LCP melts were performed with carbon fiber contents of 5, 10 and 20 wt %, and carbon black contents of 1.5, 3, 5, 10 and 20 wt %. As expected, steady shear viscosity of the LCP, CF/LCP and CB/LCP melts in a low shear rate region (0.1 to 1 s-1) decreased with an increase of temperature and increased with rise of filler content. In shear rate region of 1 to 50 s-1, the LCP melt showed a unique viscosity behaviour with maximum and minimum values. The CF/LCP and CB/LCP melts showed disappearance of such a unique viscosity behaviour with an increase in the CF (CB) content and an increase of temperature. CB filler had a more pronounced effect on the disappearance of the unique viscosity behaviour in comparison with CF. Regarding apparent yield stress, the CF/LCP melts gave the same value as pure LCP, the CB/LCP melts showed an increase of yield with a rise of the filler content. In addition, the first normal stress difference of the LCP and CF/LCP melts are smaller than yield stress values, although the rate of increase with shear rate is higher in case of normal stress difference than in case of yield. The results of the dynamic shear oscillatory flow measurements of CF and CB based compounds at 300°C showed that both, the storage and loss moduli are more affected by carbon black filler. Complex viscosity values of the LCP and CF/LCP melts showed no such unique complex flow pattern as observed in the case of steady shear viscosity.

Cite this publication as follows:
Araki K, Kitano T, Hausnerova B: Rheological Properties of Carbon Fiber and Carbon Black Filled Liquid Crystalline Polymer Melts, Appl. Rheol. 11 (2001) 188.

K. Bekkour, H. Ern, O. Scrivener
Rheological Characterization of Bentonite Suspensions and Oil-In-Water Emulsions Loaded with Bentonite

Appl. Rheol. 11:4 (2001) 178-187

With stress controlled rheometer we investigate the behavior for different concentrations, of paraffin oil-inwater emulsions, bentonite suspensions as well as charged bentonite emulsions. We were particularly interested in how aging affects the rheological properties. Using a structural model, we correlate the macroscopic experimental results to the fluid microstructure characteristic parameters and we calculate the emulsions and suspensions mean characteristic unit size. The comparison of these mean particle diameters with those obtained by microscopy and light-scattering measurements confirms the soundness of such procedure to estimate the structural characteristics, the effective concentrations and the effective mean particle diameter of oil-in-water emulsions and bentonite suspensions.

Cite this publication as follows:
Bekkour K, Ern H, Scrivener O: Rheological Characterization of Bentonite Suspensions and Oil-In-Water Emulsions Loaded with Bentonite, Appl. Rheol. 11 (2001) 178.

Walter Richtering
The Colloidal Domain where physics, chemistry, biology and technology meet (D.F. Evans, H. Wennerstrom)

Appl. Rheol. 11:4 (2001) 177

Cite this publication as follows:
Richtering W: The Colloidal Domain where physics, chemistry, biology and technology meet (D.F. Evans, H. Wennerstrom), Appl. Rheol. 11 (2001) 177.


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