B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/32 (2006.01) C08L 23/08 (2006.01) C08L 23/04 (2006.01) C08L 23/20 (2006.01) C08L 83/04 (2006.01)
Patent
CA 2353418
The present invention relates to a biaxially oriented multilayer film which is heat sealable over a broad temperature range. It is desirable to have a broad sealing temperature range to increase the production of packaging machines. The present invention also relates to a biaxially oriented multilayer film which provides easy opening and hermetic seals to packages. The film is made up of a core layer comprising linear low-density polyethylene (LLDPE) and at least one skin layer having a melting point of at least 10 ~C below the core layer melting point.
La présente invention concerne un film multicouche à orientation biaxiale, thermoscellable dans une large plage de températures. Il est préférable que la plage de températures de scellement soit large afin d'accroître la production des machines à emballer. La présente invention concerne également un film multicouche à orientation biaxiale permettant de procéder à une ouverture facile et un scellement hermétique d'emballages. Le film est formé d'une couche noyau comprenant un polyéthylène linéaire basse densité et d'au moins une couche supérieure possédant un point de fusion inférieur d'au moins 10 ·C au point de fusion de la couche noyau.
Kong Dan-Cheng
Mount Eldridge Milford. III
Su Tien-Kuei
Borden Ladner Gervais Llp
Mobil Oil Corporation
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