Synthetic articles having a cork-like appearance

Details Synthetic articles having a cork-like appearance Synthetic articles having a cork-like appearance

1983-01-18

1985-06-11

Van Balen, William J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

215348, 215349, 4283144, 4283188, B65D 5300, B32B 302, B32B 514, B32B 520

Patent

active

045228566

ABSTRACT:
A composition for forming a molded article having the external appearance resembling that of natural cork which comprises, a thermoplastic resinous material as the major ingredient thereof, a caramel colorant which is present in an amount sufficient to impart to the thermoplastic resinous material the color of natural cork, and a blowing agent, said thermoplastic resinous material being compatible with the caramel colorant and having a processing temperature which is not so high as to degrade the caramel colorant during the molding operation.

REFERENCES:
patent: 3645930 (1972-02-01), Normanton
patent: 3645931 (1972-02-01), Normanton
patent: 4091136 (1978-05-01), O'Brien et al.
patent: 4255372 (1981-03-01), Kuhnel et al.
patent: 4273880 (1981-06-01), Pump et al.
patent: 4363849 (1982-12-01), Paisley et al.

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