Polymeric film

Details Polymeric film Polymeric film

B - Operations, Transporting

32

B

B32B 27/08 (2006.01) B29C 47/06 (2006.01) B32B 5/30 (2006.01) B32B 27/20 (2006.01) B32B 33/00 (2006.01)

Patent

CA 2069194

H36359 Abstract Polymeric Film A composite film, particularly a polyester film, comprising a substrate layer and a heat-sealable layer comprising a particulate additive, exhibiting an improved combination of handling and heat-sealable properties. The exposed surface of the heat-sealable layer has greater than 100 surface protrusions per mm2 produced by the particulate additive. The surface protrusions have an average peak height in the range from 5 to 400 nm measured from the average level of the surface of the heat-sealable layer.

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