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ASSESSMENT AND PREDICTION OF LONG-TERM PROPERTIES OF PRESSURE SENSITIVE TAPES IN SEMI-STRUCTURAL APPLICATIONS [2005]

Walter Brockmann, Prof. Dr.-Ing.
Paul L. Geiss, Juniorprofessor Dr.-Ing.
Daniel Vogt, Dipl.-Ing.
Kaiserslautern University of Technology, 67663 Kaiserslautern, Germany

Advances in the formulation and processing of pressure sensitive adhesives have led to high-performance pressure sensitive adhesive mounting tapes which carry the potential to even serve demanding applications of e.g. the automotive or construction industry. Especially lightweight constructions involving materials such as thermoplastic or fiber reinforced plastics, composite materials, lightweight aluminum or magnesium alloys and glass can take advantage of productivity gain during the assembly process by using pressure sensitive construction tapes as shown in Figures 1 and 2.

To guarantee for a consistent quality and performance of the bonding process with pressure sensitive adhesives it is strongly advised to use professional converting equipment and press tools during the assembly process to ensure that the necessary local pressure to generate strong adhesive bonds has been applied and to avoid defects or poor reproducibility. Common handheld tools use e.g. rubber-coated rollers that are spring loaded or actuated by pneumatic pressure. For series production of panels tailor-made press systems have been designed to either apply a static load over a fixed period of time or to draw the panels through one or more rollers passing over the relevant bonding area.