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Characterisation of surfaces and interfaces, e.g. surface and interface tensions and wettability.
- Partner:The University of Manchester
- Facility:Additive Manufacturing & Printing
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Detailed Description
It provides the world‘s largest selection of measuring methods for characterizing surfaces and interfaces. The principal methods are based on the precise detection of the force that occurs when wetting a measuring probe or a solid sample. It is easy to measure surface and interfacial tension using standardized methods including the Du Noüy ring, Wilhelmy plate or rod method. This is combined with temperature control from -10-130oC.
Uses/Applications
Determination of the effectiveness and efficiency of surfactants by critical micelle concentration (CMC) measurement
Wetting behavior of tablets, pharmaceutical active ingredients and excipients
Wetting of varnishes and paints
Decomposition product content in oils
Tank clearance and cleaning validation in the food industry Wetting and adhesion of coatings
Development of cosmetic products
Wetting properties of inks
Wetting of fiber bundles and textiles
Analysis of surface modifications
Force measurement: 220g max load; 100ug resolution
Sample stage travel: >110mm; 20um resolution
Measurement resolutions
Du Nuoy ring: 0.01 mN/m (1-2000 mN/m range)
Rod method: 0.2 mN/m
Willhemy plate (SFT/IFT/CMC): 0.02 mN/m (1-2000 mN/m range).
Solid material density: 1,000-20,000 kg/m3 (resolution 1 kg/m3).
Temperature control: -10-130oC