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Thomas Schweizer
Structure and rheology of molten polymers (J.M. Dealy, R.G. Larson)

Appl. Rheol. 17:5 (2007) 258-259

Cite this publication as follows:
Schweizer T: Structure and rheology of molten polymers (J.M. Dealy, R.G. Larson), Appl. Rheol. 17 (2007) 258.

Thomas Schweizer
Rheology. Concepts, Methods, and Applications (A. Ya. Malkin, A.I. Isayev)

Appl. Rheol. 16:5 (2006) 240-241

Cite this publication as follows:
Schweizer T: Rheology. Concepts, Methods, and Applications (A. Ya. Malkin, A.I. Isayev), Appl. Rheol. 16 (2006) 240.

Thomas Schweizer
Einfluss von Dehnströmungen auf die Morphologieausbildung in Polymerblends / Influence of Elongational Flows on the Morphology Evolution of Polymer Blends (M. Heindl)

Appl. Rheol. 16:3 (2006) 131

Cite this publication as follows:
Schweizer T: Einfluss von Dehnströmungen auf die Morphologieausbildung in Polymerblends / Influence of Elongational Flows on the Morphology Evolution of Polymer Blends (M. Heindl), Appl. Rheol. 16 (2006) 131.

Thomas Schweizer
Polymer Viscoelasticity (Yn-Hwang Lin)

Appl. Rheol. 15:4 (2005) 202-203

Cite this publication as follows:
Schweizer T: Polymer Viscoelasticity (Yn-Hwang Lin), Appl. Rheol. 15 (2005) 202.

Thomas Schweizer
Temperature Calibration of Rotational Rheometers with Electrically Heated Tools and Hood Oven

Appl. Rheol. 15:2 (2005) 112-115

The calibration of the temperature control unit of a rotational rheometer with a hood oven is shown. The calibration technique shown for a Paar-Physica rheometer can be adapted to any rheometer with hood oven (indirect heating). The temperature of the bottom fixed plate and the air bearing suspended cone or plate are measured independently. By keeping the amount of venting gas constant, the set temperature of the hood oven is adjusted to reach a minimum gradient across the measuring gap. The calibration procedure is optimized to keep the oven as close as possible to the measuring position.

Cite this publication as follows:
Schweizer T: Temperature Calibration of Rotational Rheometers with Electrically Heated Tools and Hood Oven, Appl. Rheol. 15 (2005) 112.

Thomas Schweizer
Handbook of Ellipsometry (Harland G. Tompkins, Eugene A. Irene, Eds.)

Appl. Rheol. 15:1 (2005) 10-11

Cite this publication as follows:
Schweizer T: Handbook of Ellipsometry (Harland G. Tompkins, Eugene A. Irene, Eds.), Appl. Rheol. 15 (2005) 10.

Thomas Schweizer
A Quick Guide to Better Viscosity Measurements of Highly Viscous Fluids

Appl. Rheol. 14:4 (2004) 197-201

The performance of tests with elastic liquids at high shear rates is cumbersome due to viscous dissipation heating, high normal forces, and - above all - edge fracture. This paper shows how such measurements can be improved and simplified over the conventional cone-plate technique by using a partitioned plate. For a polystyrene melt with zero shear viscosity 44.5 kPas at 190.C, steady state viscosities can be obtained up to 100 s-1. For samples with twice the diameter of the sensing area of the tool, the strain beyond which disturbances can be noticed is about 2 - 3 times higher than for conventional cone-plate. As a consequence of the design, precise viscosity measurements can be made without knowing the exact radius of the sample and without well centring it. This geometry is ideal for quick and dirty loading. Drawbacks are that the tool requires regular cleaning of the ring gap, that it can only be fitted to rheometers with a non-displacing force measuring cell (force rebalance transducer), and that it is not suited to measure low viscous systems such as polymer solutions.

Cite this publication as follows:
Schweizer T: A Quick Guide to Better Viscosity Measurements of Highly Viscous Fluids, Appl. Rheol. 14 (2004) 197.

Thomas Schweizer
Flow of polyolefine melts through dies,investigated by laser Doppler anemometry (Martin Schwetz)

Appl. Rheol. 13:6 (2003) 284-285

Cite this publication as follows:
Schweizer T: Flow of polyolefine melts through dies,investigated by laser Doppler anemometry (Martin Schwetz), Appl. Rheol. 13 (2003) 284.

Thomas Schweizer
Influence of the molecular structure on the rheological properties of polystyrene and polycarbonate melts (Jens Hepperle)

Appl. Rheol. 13:6 (2003) 284a

Cite this publication as follows:
Schweizer T: Influence of the molecular structure on the rheological properties of polystyrene and polycarbonate melts (Jens Hepperle), Appl. Rheol. 13 (2003) 284a.

Thomas Schweizer
Rheology for Polymer Melt Processing (J. M.-Piau, J.-F. Agassant, Eds.)

Appl. Rheol. 10:5 (2000) 222-223

Cite this publication as follows:
Schweizer T: Rheology for Polymer Melt Processing (J. M.-Piau, J.-F. Agassant, Eds.), Appl. Rheol. 10 (2000) 222.

Thomas Schweizer
Werner Kuhn symposium

Appl. Rheol. 9:1 (1999) 34-37

Cite this publication as follows:
Schweizer T: Werner Kuhn symposium , Appl. Rheol. 9 (1999) 34.


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