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Cohesion / Creep Resistance
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Cohesion is provided by the right base polymer choice. Equally important is the right choice of tackifier to minimize the cohesion loss.
The extensive knowledge on polymer/resin interaction, can help you to select the right tackifier for your adhesive to obtain the right adhesion/cohesion balance.
For instance, there is a clear relationship between aromaticity and DMA cross-over: the less aromaticity the higher the cross-over. This has a major impact on creep reistance.
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