Degradable adhesive film and degradable resin composition

Details Degradable adhesive film and degradable resin composition Degradable adhesive film and degradable resin composition

1993-08-30

1996-02-06

Davis, Jenna L.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428355, 528361, 528354, B32B 710, C08G 6308

Patent

active

054894743

ABSTRACT:
Articles which can be degraded and disappear in the natural environment are a degradable adhesive film which can be used for surface protection or indication after printing on the film surface and has an adhesive layer on one side of a substrate film obtained from a lactic acid base polymer such as polylactic acid and a lactic acid/hydroxycarboxylic acid copolymer having a molecular weight of 30,000-500,000, and a degradable resin composition which is excellent in weatherability and comprises 100 parts by weight of a lactic acid base polymer and 0.001-5 parts by weight of one or more additives selected from ultraviolet absorbers and light stabilizers.

REFERENCES:
patent: 3527841 (1970-09-01), Wicker, Jr. et al.
patent: 4742140 (1988-05-01), Greenwood et al.
patent: 5076983 (1991-12-01), Loomis et al.
patent: 5094912 (1992-03-01), Deibig et al.
patent: 5206341 (1993-04-01), Ibay et al.
patent: 5238968 (1993-08-01), Morita et al.
patent: 5272221 (1993-12-01), Kitao et al.
patent: 5296282 (1994-03-01), Evers

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