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Colloidal, Macromolecular & Biological Gels: Formulation, Properties & Applications

2016

Gelling

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Full-Text Articles in Engineering

Relative Humidity As A New Parameter In Rheological Testing, Jörg Läuger, Gunther Arnold Jul 2016

Relative Humidity As A New Parameter In Rheological Testing, Jörg Läuger, Gunther Arnold

Colloidal, Macromolecular & Biological Gels: Formulation, Properties & Applications

Besides temperature and pressure the water content of a sample as well as the relative humidity of the ambient air are important parameter influencing the rheological behavior of many complex fluids such as for example gels, biomaterials, polymeric systems, food products, and adhesives.

The aim of this contribution is to introduce a newly designed environmental control chamber for the use with a rotational rheometer.

A combination of a modified convection oven and an external humidity generator enables to work under defined relative humidity (RH) and temperature (T) in the ranges of RH = 5 to 95 % and T = …