Biodegradable film containing an alkanoyl polymer/PVA blend and

Details Biodegradable film containing an alkanoyl polymer/PVA blend and Biodegradable film containing an alkanoyl polymer/PVA blend and

1992-06-05

1993-04-06

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428156, 4283155, 428338, 523124, B32B 326

Patent

active

052002470

ABSTRACT:
A biodegradable thermoplastic film is disclosed comprising a blend of an alkanoyl polymer and polyvinyl alcohol. The film can be stretched providing opacity and enhancing its biodegradability.

REFERENCES:
patent: 3484835 (1969-12-01), Trounstine et al.
patent: 3901838 (1975-08-01), Clendinning et al.
patent: 3921333 (1975-11-01), Clendinning et al.
patent: 4016117 (1977-04-01), Griffin
patent: 4021388 (1977-05-01), Griffin
patent: 4120576 (1978-10-01), Babish
patent: 4125495 (1978-11-01), Griffin
patent: 4218350 (1980-08-01), Griffin
patent: 4420576 (1983-12-01), Griffin

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