Synthetic articles having a cork-like appearance

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

1982-06-17

1985-03-26

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 79, 521 81, 521 95, 521134, 521143, 521149, C08F 910

Patent

active

045074054

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

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