Laminated material and method for manufacturing the same

Details Laminated material and method for manufacturing the same Laminated material and method for manufacturing the same

B - Operations, Transporting

29

C

18/523, 154/91.2

B29C 47/06 (2006.01) B32B 15/08 (2006.01) B32B 27/10 (2006.01)

Patent

CA 1264651

ABSTRACT The invention relates to a laminated material which comp- rises a carrier layer of paper or cardboard and an outside layer of extruded polythene applied to one side of the car- rier layer . To the other side of the carrier layer is applied a first binder layer of polythene and a layer of aluminium foil placed against the binder layer . A second binder layer of EAA is provided for the bonding together of the aluminium foil with an inner polythene layer which has been produced by blowing and which has a substantially higher modulus of elasticity and strength than the slot-extru- ded polythene layer . The invention also relates to a method ~or the manufacture of the laminate by making use of the heat content of the first slot-extruded binder layer of po- lythene for heating up the second binder layer of EAA to such a temperature that an effective bonding on the aluminium foil is obtained.

479192

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