B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/783, 204/96.2
B29C 47/06 (2006.01)
Patent
CA 2010021
ABSTRACT An oriented, heat sealable polypropylene film is provided having a metallizable surface. The film includes a core layer derived from isotactic polypropylene containing an effective amount of adhesion promoting agent. A copolyester layer is bonded to the core layer, the adhesion promoting agent protecting against the delamination thereof. A heat sealable layer formed from an ethylene-propylene random copolymer is bonded to the opposite side of the core layer. The film is formed as a coextrudate and is biaxially oriented.
Benedict Alan J.
Mount Eldridge M. III
Benedict Alan J.
Gowling Lafleur Henderson Llp
Mobil Oil Corporation
Mount Eldridge M. III
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