Opaque polylactic acid film

Details Opaque polylactic acid film Opaque polylactic acid film

C - Chemistry, Metallurgy

08

J

C08J 5/18 (2006.01) C08L 67/04 (2006.01)

Patent

CA 2445845

The invention relates to an opaque biaxially oriented film made of at least one layer that contains COC. This layer contains a cycloolefin copolymer (COC) in a concentration of 0.5 to 30 wt. % with regard to this layer and contains a polymer made from aliphatic hydroxycarboxylic acid units.

L'invention concerne un film opaque à orientation biaxiale, comprenant au moins une couche contenant du COC. Cette couche contient un copolymère cyclo-oléfine (COC), dans une concentration de 0,5 à 30 % en poids par rapport à cette couche, ainsi qu'un polymère constitué d'unités d'acide hydroxycarboxylique aliphatiques.

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