Tray for packaging food products

Details Tray for packaging food products Tray for packaging food products

1982-03-18

1984-08-21

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264 54, 521 79, 521 97, 521139, 521908, C08J 908

Patent

active

044670524

ABSTRACT:
A plastic tray for packaging food products is disclosed. The tray has a preferred composition of about 85 percent polypropylene, 15 percent impact modifier or copolymer, 1 percent nucleating agent, and 1 percent density reduction agents.
A method of manufacturing a plastic tray of packaging food products is disclosed. The method includes the steps of mixing the polypropylene, impact modifier, nucleating agent and density reduction agents together, heating the mixture at 450.degree. F. to 550.degree. F. under a pressure of about 300 p.s.i., injecting the heated mixture into a mold, and cooling the mixture.

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