Environmentally degradable polymer blends

Details Environmentally degradable polymer blends Environmentally degradable polymer blends

1989-06-15

1991-12-03

Nutter, Nathan M.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 48, 524 53, 524 54, 524 55, C08L 300, C08L 302, C08L 502

Patent

active

050701223

ABSTRACT:
Environmentally degradable blends comprising ethylene-carbon monoxide copolymers, polysaccharide, and optionally, unsaturated oil are disclosed. The invention polymer blends are both photodegradable and biodegradable.

REFERENCES:
patent: 4016117 (1977-04-01), Griffin
patent: 4021388 (1977-05-01), Griffin
patent: 4133784 (1979-01-01), Otey et al.
patent: 4338227 (1982-07-01), Ballard
Guillet, "Polymers with Controlled Lifetimes," in Polymer Science and Technology, vol. 3, pp. 1-25 (Plenum Press, 1973).
Potts, "Plastics, Environmentally Degradable," in Encyclopedia of Chemical Technology, Third Edition, Supplement, pp. 626-668.
ASTM Test Method G21-70 (reapproved 1985).
EPA Report No. EPA-R2-72-046, "An Investigation of the Biodegradability of Packing Plastics," prepared for the Environmental Protection Agency by Union Carbide Corp., Aug., 1972.

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