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AssigneeMitsui Toatsu Chemicals, Inc.
InventorsHosei Shinoda, Masami Ohtaguro, Shigeru Iimuro, Akihiro Funae, Shinobu Moriya
Estimating the term…
Articles matters 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.about.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.about.5 parts by weight of one or more additives selected from ultraviolet absorbers and light stabilizers.
A degradable resin composition comprising 100 parts by weight of a lactic acid base polymer and 0.05-5 parts by weight of one or more compounds selected from the group consisting of 2-hydroxy-4-n-octoxybenzophenone, 4-dodecycloxy-2-hydroxybenzotriazole, 2-(2'hydroxy-5'-methylphenyl)benzotriazole, 2-(2'hydroxy-3',5'-di-tert-butylphenyl)benzotriazole, and bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate.
Dependencies are inferred from the claim text.