THeKlA: Technology-aided manufacturing of large-surface adhesive bonds with special consideration paid to ageing resistance

Objectives and work programme

The project is investigating large-surface, load-bearing, glass-to-glass adhesive bonding. As an unregulated construction method, the requirements of the permanent bonds for the exterior are to be defined and a requirements profile (durability, manufacturing, etc.) is to be created for suitable adhesives. The residual strength after ageing is determined by way of small-scale sampling under the influence of standard conditions (including temperature, humidity, cleaning products). Surface pre-treatment processes, especially those intended to increase ageing resistance, are included in the investigations.

With a suitable adhesive selected, an adapted dosing technology is to be developed, manufactured and tested for technology-aided introduction of the adhesive to the bonded joint, a controlled lamp technology adapted for targeted curing, and an optical measurement technique established for the purposes of quality assurance. The combination of all components is ideally intended to result in a transportable testing system that will serve to manufacture application-oriented component models. The load-bearing capacity of bonded components is tested using short-term load testing, long-term load testing, and durability testing.

Partners

Innovent e.V. Technologieentwicklung, Jena,
Günter-Köhler-Institut für Fügetechnik und Werkstoffprüfung GmbH, Jena,
Blum & Schultze Architekten, Dresden,
Wolf-Dierk Lohnitz Glas + Spiegel KG, Machern,
SOMAtic GmbH, Harth-Pöllnitz;
Hema Electronic GmbH, Aalen.