Laminates of metal and polyester film

Details Laminates of metal and polyester film Laminates of metal and polyester film

1992-07-30

1994-06-07

Thibodeau, Paul J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 69, 15624411, 156282, 1563082, 1563099, 264145, 264153, 264163, 264280, B29C 4700, B28B 1116

Patent

active

053186486

ABSTRACT:
A laminate and a process for making a laminate of aluminum or aluminum alloy and a polyester. The process includes forming a laminate by contacting an aluminum or aluminum alloy sheet or foil with a film of polyester at a temperature and pressure sufficient to adhere the film to the sheet or foil, reheating the laminate to a temperature above the crystalline melting point of the polyester, cooling the laminate at a cooling rate controlled to prevent crystallization of the polyester, and quenching in water such that the molecular weight of the polyester layers in the laminate is between 14,000 and 23,000.

REFERENCES:
patent: 4272475 (1981-06-01), Chi
patent: 4957820 (1990-09-01), Heyes et al.

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