B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/27
B05D 5/10 (2006.01) C09J 7/02 (2006.01)
Patent
CA 1108485
- 1 - ABSTRACT A self-supporting sheet is provided with a composite release surface which exposes separate areas of (1) a solid fluorochemical polymer having defined surface energy properties and (2) a cured silicone polymer. The composite release surface, which may be applied either to one or both foils of a release liner or to the back of pressure-sensitive adhesive tape, is prepared by first applying a solution to the fluorochemical polymer, evaporating the solvent and then overcoating with silicone-forming reactants. Pressure- sensitive adhesives have an average adhesion to the composite release surface which is less than to the fluorochemical polymer alone and greater to the silicone polymer alone.
323495
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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