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Rotational rheometry is a powerful technique for the measurement of complex shear rheology across all material types – sensitive enough to measure the viscosity of dilute polymer solutions, and yet robust enough to measure the viscoelasticity of high modulus polymers or composites. Rotational rheometry is ideal for discerning structural and compositional changes of materials, which can be critical controlling factors in flow and deformation properties, and ultimately product stability and performance.
The basics of the rotational rheometry technique are as follows:
Rotational rheometry also enables other rheological properties to be evaluated, including yield stress, thixotropy, creep and recovery and stress relaxation.
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This note discusses a simple rheological test for assessing product stability during transportation
This note discusses how non-linear viscoelastic effects can be evaluated using normal force measurements on a rotational rheometer
This note discusses how rotational rheometry can be used to evaluate the impact of droplet concentration on emulsion viscosity
Ever thought of rheology when you eat a pizza? The classic marketing shots of pizza show the viscoelastic properties of the mozarella cheese amenable to a number of rheological measurements. The pour properties of mayonnaise are dictated by a number ...
The whitepaper discusses some basic principles of polymer solution rheology and how it can be measured and manipulated to optimize rheological behaviour
(Webinar - Recorded)
The rheology of cheese and mayonnaise
(April 29 2015)
(Webinar - Live)
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