An improved packaging film

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 27/28 (2006.01) B29D 7/01 (2006.01) B32B 27/36 (2006.01) B65D 65/46 (2006.01) C08J 5/18 (2006.01)

Patent

CA 2472420

A film of biodegradable polylactic acid polymers and copolymers is produced by coextrusion which displays improved winding and manufacturability and end use performance. The film is coextruded from polylactic acid (PLA) polymers and copolymers and biaxially oriented. The surface layer(s) of the film is modified with a particle and displays improved COF, blocking resistance, reduced static generation, improved winding and improved package formation on packaging machines.

Un film de polymères et de copolymères d'acide polylactique biodégradables est produit par coextrusion qui présente un enroulement et une fabricabilité, ainsi qu'une utilisation finale améliorés. Ce film est coextrudé à partir de polymères et de copolymères d'acide polylactique à orientation biaxiale. La ou les couches externes du film sont modifiées par une particule et présentent un coefficient de frottement amélioré, une résistance accrue à l'adhérence, une production réduite d'électricité statique, un enroulement aamélioré et la formation améliorée d'un emballage par les emballeuses.

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