Characterisation techniques

Surface and interface analysis

  • Drop Shape Analysis for the determination of dynamic contact angles (on hydrated and dry surfaces), sliding angles, surface and interfacial tensions (one instrument with high temparture cell (up to 400°C) and one istrument with high pressure cell (700 bar at 200°C) equipped with high pressure CO2 pump)
  • Wilhelmy Balance for the determination of fibre perimeters (diameters) and dynamic contact angles
  • Spinning Drop Tensiometer
  • Zeta potential streaming potential (Anton Paar SurPass) and electropheresis instruments (Malvern zetasizer)
  • Tensiometry for surface and interfacial tension, sedimentation, and contact angle measurements on porous media and fibres
  • mini Langmuir-Blodgett Trough
  • Pycnometer skeleton and envelope density (Micromeritics AccuPyc II 1340 and GeoPyc 1360)
  • BET surface analysis (Micromeritics TriStar II)
  • Inverse Gas Chromatography (iGC, SMS)
  • Adhesion (single fibre pull-out testing)
  • Table top SEM (JEOL NeoScope JCM-6000)
  • Optical Micro- and Macroscopes equipped with hot stages (Leica DM 2700)
  • Gas Permeability testers for porous media and polymer films (Lab Think VAC VBS & W3 031)
  • Dead end filtration cells (Sterlitech Hp 4301)
  • Water vapour transmission rate (SMS DVS Intrinsic)
  • Dielectric spectroscopy
  • QCM
  • FTIR spectrometer (Bruker Tensor II)
  • XPS/ESCA spectrometer (ThermoScientific Nexsa)
  • Dynamic Foam Analyzer (Krüss)

Thermal Analysis

  • DSC Differential scanning calorimetry (TA Discovery)
  • DMTA Dynamic mechanical thermal analysis (TA G2 RSA)
  • TGA Thermogravimetric anlysis (TA Discovery)

Mechanical Testing

  • Universal Test Frames Instron 3345 & 5969
  • Single Fibre-Pull-Out Testing Device

Rheological Testing

  • Rheometer couette, plate-to-plate, capillary (TA Discovery HR2)

Vienna Experiment for Drag Reducing Agents (ViEDRA)

  • Pressure driven pipe flow facility for characterization of drag reducing agents in turbulent flow
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