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US 10,259,258 B2Granted
Adhesive film and method of making a graphic
Assignee3M Innovative Properties Company
InventorsClaus W. Loescher, Viktor Dannewitz, Kirstin Krybus, Dirk Kolowrot
Life of this patent
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Abstract
The present application relates to an adhesive film comprising a polyvinyl chloride film having opposite first and second major sides. The first major side has an adhesive layer protected by a release liner and a primer layer arranged between the polyvinyl chloride film and the adhesive layer. The primer layer comprises an aminoplast and a polyester and/or a curing product.
Claims27
A conformable adhesive film comprising:
- a polyvinyl chloride film having opposite first and second major sides when in a flat position, the first major side having an adhesive layer protected by a release liner and a primer layer arranged between the polyvinyl chloride film and the adhesive layer, the primer layer comprising an aminoplast and a urethane extended polyester and/or a curing product thereof, and the adhesive layer being at least one of topologically structured or having at least one microstructured surface;
- wherein the conformable adhesive film adheres to uneven or complex-shaped painted surfaces without lifting or popping-up from the surface when heated at a temperature of 70 degrees Celsius for seven days.
Dependencies are inferred from the claim text.