Extended life fluorescence polyvinyl chloride sheeting
AssigneeReflexite Corporation
InventorEdward D. Phillips
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Abstract
An extended life fluorescent polyvinyl chloride sheeting and a method for forming the sheeting are disclosed. The sheeting includes a polyvinyl chloride film having a fluorescent colorant incorporated therein. A protective polymer layer is attached to the polyvinyl chloride film. A light filtering agent is incorporated into the protective layer, wherein the filter agent blocks the 425 nm and lower wavelengths of the visible spectrum.
Claims22
An extended life fluorescent polyvinyl chloride sheeting, comprising:
- a) a plasticized polyvinyl chloride film having a fluorescent colorant and hindered amine light stabilizer incorporated therein;
- and
- b) a protective polymer layer, which is attached to said polyvinyl chloride film.
A method for forming an extended life fluorescent polyvinyl chloride sheeting, comprising the steps of:
- a) providing a plasticized polyvinyl chloride film having a fluorescent colorant incorporated therein;
- and
- b) attaching a protective polymer layer to said polyvinyl chloride film.
An extended life fluorescent sheeting, comprising:
- a) a plasticized polyvinyl chloride film having a fluorescent colorant and hindered amine light stabilizer incorporated therein;
- b) a protective polymer layer, which is attached to said polyvinyl chloride film, wherein said protective polymer layer includes a polymer selected from the group consisting of polyacrylate, polyurethane, polyurethane acrylate, polyvinyl acetate and polyvinylidene chloride.
Dependencies are inferred from the claim text.