Hdpe films with differential biaxial orientation

B - Operations – Transporting – 29 – C

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B29C 55/12 (2006.01) B29C 55/02 (2006.01) B29C 55/14 (2006.01) B29D 7/01 (2006.01) B32B 27/08 (2006.01) B32B 27/32 (2006.01) B65D 65/40 (2006.01) C08J 5/18 (2006.01) C08L 23/06 (2006.01)

Patent

CA 1312435

F-4504-L HDPE FILMS WITH DIFFERENTIAL BIAXIAL ORIENTATION ABSTRACT High density polyethylene films, preferably containing blends of HDPE resins or microcrystalline wax, are oriented to a deformation ratio of about 2 in the machine direction and about six or more in the transverse direction to give films having good dead-fold and water vapor transmission characteristics making them highly suited for packaging, particularly for dry foods when coated with or coextruded with a heat sealable layer, e.g. an ionomer.

577513

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