An improved film and sheet for folding packaging containers

Details An improved film and sheet for folding packaging containers An improved film and sheet for folding packaging containers

B - Operations, Transporting

32

B

B32B 27/28 (2006.01) B32B 27/16 (2006.01) B32B 27/20 (2006.01) B32B 37/00 (2006.01) B65D 65/40 (2006.01) B65D 65/42 (2006.01)

Patent

CA 2508859

A film of biodegradable polylactic acid polymers (PLA) and copolymers are produced by biaxially orienting single and multilayer extrusions. The film and sheets are stiff, have excellent optical properties and show excellent retained folding and creasing properties making them especially desirable for the production of folded box like containers. The surface layer(s) of the film and sheet may be heat sealable or modified with a particle to give improved coefficient of friction (COF), blocking resistance, reduced static generation, improved winding and improved package formation on packaging machines.

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