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Dual Blade Cutter

Peel/Adhesion Testing

The SER can also be used to measure the adhesive properties of pressure sensitive adhesives, gels, and pastes against a variety of substrates over a very broad range of rates and temperatures. Using this same 180 peel geometry the SER can be used to measure the work of adhesion and the onset of cohesive/adhesive instabilities of polymer melts against various surface energy interfaces.

PSA Adhesion   Adhesive Tape

Pressure Sensitive Adhesive

Melt Adhesion  Peel Instability

Note how the the peel fracture front is confined to the region between the drums, allowing clear visual access to the peel interfaces during the peeling process. The peel properties of pressure sensitive adhesives can be characterized as a function of substrate, temperature, and rates unachievable with conventional testing (1+ m/s). The peel properties of polymer melts can be used to fingerprint polymer melt processing behavior and to elucidate the role of adhesive failure in melt processing instabilities.

The SER Advantage

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