B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/140
B32B 27/32 (2006.01) B32B 15/08 (2006.01) B32B 27/10 (2006.01) C08L 23/08 (2006.01) C08L 23/10 (2006.01)
Patent
CA 1243257
ABSTRACT OF THE DISCLOSURE The invention provides a multi-layer film or sheet material of thermoplastic resins having a high adhesive bonding strength between layers as well as excellent heat-sealability The multi-layer film or sheet material comprises a layer A formed of a resin composition composed of a polypropylene- based resin and a linear low-density ethylene .alpha.-olefin copolymer having specified density and a layer B formed of a polypropylene-based resin or a layer formed of a resin composition of a polypropylene-based resin and a low- crystallinity .alpha.-olefin copolymer. The invention also provides a laminated film or sheet material comprising a base material, e.g. plastic film, paper, aluminum foil, etc., and the above defined multi-layer film or sheet material bonded together through an intermediate layer of an adhesive in such a manner that the layer A in the multi- layer film or sheet material faces the base material.
464855
Ito Masakazu
Kawamura Shinji
Idemitsu Kosan Co. Ltd.
Riches Mckenzie & Herbert Llp
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