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Modular Advanced Rheometry System

Methods IMC, Mühlhaupt

Modular Advanced Rheometry System
for Soft Matter 
Model: MARS, Thermo Scientific
Unit and Room: FMF, second floor,R02015
Responsible: Dr. Yasmin Korth
Mechanical Spectroscopy, Rheometry
Further information: http://www.fmf.uni-freiburg.de/service/servicegruppen/sg_rheol/service/index_html

Short Description:

Universal Mechanical Spectrometer for linear and nonlinear viscoelastic properties of soft matter in wide Temperature (-100 °C to 200 °C) and frequency (0.001 to 100 Hz) ranges.

Picture of the Equipment

Modular Advanced Rheometry System for Soft Matter
 

Available Experiments/Techniques:

Dynamic moduli in oscillatory shear flow, viscositis in shear flow, all types of strain controlled experiments including relaxation modulus determination.

Special Equipment:

add on for microscopical observation during flow.

Measurements on the equipment are currently done by: Students after Introduction
Students after extensive training
Trained scientific service personal
 
Recent Publications, where this instrument was
important (citation):
S. Patachia, C. Florea, Chr. Friedrich, Y. Thomann Tailoring of poly(vinyl alcohol) cryogels properties by salts addition, Express Polym. Lett. 3 (2009), 320-331
 
Typical problems that may be solved with this instrument: -Structure-rheological properties relationships for soft matter, including colloids.
-Determination of characteristic viscositis and moduli of matter, relaxation time spectra
-visualization of flow induced structures

 

pdficon.gif Modular Advanced Rheometry System (this page as a pdf file)

 

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