Laminated polyester film to be laminated on metal plate

Details Laminated polyester film to be laminated on metal plate Laminated polyester film to be laminated on metal plate

1995-10-17

1998-07-07

Zimmerman, John J.

Stock material or miscellaneous articles

Composite

Of polyester

428483, 428458, 428332, B32B 2706, B32B 2736, B32B 1508

Patent

active

057766169

ABSTRACT:
A laminated polyester film which comprises a first layer formed of a first aromatic copolyester, and a second layer of a molten blend having an alkali metal element concentration of 1 to 40 ppm, which comprises a second aromatic polyester containing ethylene terephthalate as a main recurring unit and a third aromatic polyester containing tetramethylene terephthalate as a main recurring unit.
The laminated polyester film exhibits excellent moldability when a metal plate laminated therewith is deep drawn, and is excellent in impact resistance and flavor retaining property after can making.

REFERENCES:
patent: 4362775 (1982-12-01), Yabe et al.
patent: 5424121 (1995-06-01), Murakami et al.

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