Multilayered biodegradable film
AssigneeSkc Co., Ltd.
InventorsDeuk-Young Lee, Sang Il Kim
Life of this patent
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Abstract
A multilayered biodegradable film comprising at least one first resin layer and at least one second resin layer, wherein the first and second resin layers are alternately layered; the first resin layer comprises a polylactic acid-based polymer; the second resin layer comprises an aliphatic polyester-based resin or an aliphatic-aromatic copolymerized polyester-based resin; and the film has a coloring peak value of 0.3 or less, a haze of 10% or less, and an elastic modulus of 300 kgf/mm2 or less, exhibits improved flexibility and transparency, which is useful for environmentally friendly packaging.
Claims10
A multilayered biodegradable film comprising at least one first resin layer and at least one second resin layer, wherein:
- the first and second resin layers are alternately layered;
- the first resin layer comprises a polylactic acid-based polymer;
- the second resin layer comprises an aliphatic polyester-based resin or an aliphatic-aromatic copolymerized polyester-based resin;
- and
- the film has a coloring peak value of 0.3 or less, a haze of 10% or less, and an elastic modulus of 300 kgf/mm2 or less.
Dependencies are inferred from the claim text.