Abstract
The paper presents a comparison of the aging of silicone self-adhesive tapes in real conditions and accelerated aging in laboratory conditions. In order to check the correlation between the tested tapes, the tapes were tested immediately 24 h after making and after aging to determine changes in values functional properties such as adhesion, cohesion and tack. The tapes were manufactured on the basis of a selected pressure-sensitive silicone adhesive, which were cross-linked after adding the cross-linker and different dye content. As a result of the compared simulation in the test chamber (accelerated aging) and 7 years aging test, values of useful properties (e.g. adhesion) were obtained similarly. In the presented work, the influence of the amount of dye on the properties of pressure-sensitive adhesives was also examined, which allowed to obtain samples with similar functional properties, easy to compare with each other. The samples together with the dye and the cross-linking compound were subjected to artificial conditions in the chamber (artificial aging) and stored for 7 years.
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