In the world of coating tapes and labels, we need to be aware of adhesive and cohesive effects, rheology limitations, equipment capability and interfacial interactions. Of particular interest is the interaction of silicone release liners and adhesive coating. Specifically in slot-die coating, how does the adhesive release from the equipment, adhere to the low surface-energy substrate, laminate to a higher energy substrate and then form a final product for use? We will walk through the material and equipment considerations when it comes to slot-die coating of pressure-sensitive adhesive tapes and labels.
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