Photodegradable expanded polymeric foam

Details Photodegradable expanded polymeric foam Photodegradable expanded polymeric foam

1991-09-23

1993-03-02

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

526201, 526346, 526347, 5263471, 521 56, 521 60, 521134, 521139, 521916, C08J 918

Patent

active

051909847

ABSTRACT:
Foamable photodegradable suspension polymers of vinyl aromatic monomers may be prepared by dissolving a copolymer of a vinyl aromatic monomer and a vinyl ketone in the vinyl aromatic monomer and suspension polymerizing the resulting mixture. The resulting polymer may be foamed and used in the manufacture of food containers.

REFERENCES:
patent: 3860538 (1976-01-01), Guillet et al.

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