Degradable laminate composition

Details Degradable laminate composition Degradable laminate composition

1994-11-08

1995-07-18

Lesmes, George F.

Stock material or miscellaneous articles

Composite

428290, 428395, 428473, 4285375, 428913, B32B 310, B32B 326, A61K 3174

Patent

active

054340047

ABSTRACT:
A laminate comprising a thermoplastic polymer essentially consisting of polylactic acid, a copolymer of lactic acid and hydroxycarboxylic acid or a mixture of polylactic acid with a copolymer of lactic acid and hydroxycarboxylic acid, and a regenerated cellulose film, paper, leather, cloth, or fiber. The laminate undergoes degradability in the natural environment, is excellent in transparency, gloss and moisture-proofness, has high strength and can be used for various packaging materials.

REFERENCES:
patent: 3844987 (1974-10-01), Clendinning et al.
patent: 3859125 (1975-01-01), Miller et al.
patent: 4057537 (1977-11-01), Sinclair
patent: 4985510 (1991-01-01), Akiyama et al.
patent: 5143773 (1992-09-01), Zakuno

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