Process for producing laminated materials

Details Process for producing laminated materials Process for producing laminated materials

B - Operations, Transporting

32

B

154/29, 154/71,

B32B 15/08 (2006.01) B32B 37/20 (2006.01)

Patent

CA 1337260

A process for producing a laminate of polypropylene bonded to a metal substrate such as steel or aluminium strip, preferably electrolytically chromium coated steel for making can ends, comprises laminating a polypropylene film to the metal and subjecting the film to a temperature above its melting point, and then uniformly and rapidly cooling the laminate to a temperature substantially below the melting point of the polypropylene by flooding the polypropylene coated surface of the laminate with cold liquid, ? water at room temperature.

579945

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