Process for preparing retort-proof laminates for packing...

B - Operations – Transporting – 32 – B

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154/92.1

B32B 15/08 (2006.01) C08J 5/12 (2006.01)

Patent

CA 1127061

ABSTRACT OF THE DISCLOSURE A process for preparing a retort-proof laminate for packing foodstuffs which comprises laminating an aluminum foil or sheet with at least one polyolefin film selected from the group consisting of high-density polyethylene, poly- propylene, ethylene-propylene copolymers and polybutene films using as an adhesive a specific polyolefin resin in melted state prepared by using together (A) at least one member selected from the group consisting of high-density polyethylene, polypropylene, ethylene-propylene copolymers and polybutene, (B) maleic anhydride and (C) aluminum hydroxide.

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