Plastic laminate
AssigneeStandard Oil Company (Indiana)
InventorsStephen J. Cyr, John C. Schubert, John Dehlinger
Life of this patent
Estimating the term…
Abstract
A laminate suitable for use as a graphic arts board comprising two solid ABS resin sheets, said ABS resin containing a pigment and UV stabilizer, said solid sheets being fushion bonded to the upper and lower surfaces of a foam resin core containing polystyrene or a blend of polystyrene and ABS resin, a nucleating agent, and an antistatic agent on the surfaces of the laminate.
Claims4
A laminate suitable for use as a graphic arts board comprising two solid ABS resin sheets, said ABS resin comprising a pigment and UV stabilizer, said solid sheets being fusion bonded to the upper and lower surfaces of a foam resin core containing a blend of polystyrene and ABS resin, a nucleating agent, and an antistatic agent on the surfaces of the laminate.
A laminate suitable for use as a graphic arts board comprising two solid ABS resin sheets each 2 to 10 mils thick, said ABS resin, comprising 1 to 5 weight percent of pigment, 0.05 to 3 weight percent of a UV stabilizer, said solid sheets being fusion bonded to the upper and lower surfaces of a foam resin core, said foam resin core being 50 to 500 mils thick and having a density of 1.5 to 6 pounds per cubic foot containing 100 to 70 weight percent general purpose polystyrene and 0 to 30 weight percent ABS resin, and, based on the total foam resin core, 0.1 to 1 weight percent talc, and an antistatic agent on the surfaces of the laminate.
Dependencies are inferred from the claim text.