CONTACT ANGLE AND SURFACE TENSION MEASURING SYSTEMS

Technique	Type of apparatus	Partner name, Contact person Expertise of the personel	Types of possible experiments
Contact angle, surface tension	OCA 40 micro, OCA 35XL (Dataphysics) ADSA-P, OBS2, OBS3 (in-house developments) Tensiometer K12, K14 (Kruess GmbH), DCAT21 (Dataphysics)	IPF Dr. Karina Grundke Tel.: +49(0)3514658-475 Characterization of polymer interfaces, wetting and interfacial tension of polymers (including polymer melts), drop profile analysis, interfacial phenomena in multi-component systems (coatings, reinforced polymer composites, biomaterials, microelectronic applications, interrelations between adhesion, wetting and adsorption)	- Contact angle measurements (sessile drops, captive bubbles, indirect measurement by the Wilhelmy technique, advancing and receding contact angles, capillary penetration of liquids into porous solid systems, e.g. powder packings, fiber bundles, membranes, filters); liquid surface tension including polymer melts at elevated temperatures and simultaneous measurement of surface tension and density of polymer melts; Approaches to estimate the surface energetics of polymers (surface free energy, thermodynamic work of adhesion) from wetting and surface tension measurements
Dynamic contact angle and absorption measurement	DAT1100 dynamic contact angle tester with DAT 1129 automatic tilt table, FIBRO system AB, Sweden	IPF Dr. rer. nat. Astrid Drechsler Tel.: Tel.: +49(0)3514658-540 Polymer surfaces: morphology, roughness, interaction forces, contact angle, wetting and absorption, adsorption	- Dynamic contact angle, wetting and absorption measurements on porous and nonporous materials. - Characterisation of textiles, nonwovens, papers, powders, membranes etc.
Contact Angle	FTA2000 First Ten Angstroms	INSTM Prof. J.M. Kenny	- Measurement of contact angle – surface tension, surface energy, work of adhesion, static, advancing/receding contact angles, pendant drop and oscillating drop surface tension.