Degradable multilayer thermoplastic articles

Details Degradable multilayer thermoplastic articles Degradable multilayer thermoplastic articles

1990-03-14

1992-04-28

Seidleck, James J.

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428 354, 428516, 428518, 428520, 428522, 4284761, 383 1, 524 47, 524 52, 524322, B65D 3002

Patent

active

051088070

ABSTRACT:
The invention relates to multilayer degradable thermoplastic articles. In one embodiment the novel multilayer thermoplastic article comprises a first outer layer, a core layer and second outer layer, wherein the first outer layer and second outer layer are degradable by photo, thermal or chemical means and contain an effective amount of a prodegradant and the core layer is a water-soluble and/or biodegradable core layer, preferably both water-soluble and biodegradable. Bags formed from the multilayer thermoplastic article are useful for use in the composting of organic material.

REFERENCES:
patent: 3935141 (1976-01-01), Potts
patent: 4133784 (1979-01-01), Otey
patent: 4254169 (1981-03-01), Schroeder
patent: 4399173 (1983-08-01), Anthony

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