Coated metal structure and process for production thereof

Details Coated metal structure and process for production thereof Coated metal structure and process for production thereof

1976-11-22

1979-03-13

Esposito, Michael F.

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

428 35, 428458, B65D 2514

Patent

active

041437900

ABSTRACT:
In a coated metal structure comprising a metal substrate and a coating layer of a thermoplastic polyester resin heat-bonded to the metal surface, the polyester resin has a relative viscosity of 1.2 to 1.8 as measured at 25.degree. C. in o-chlorophenol at a concentration of 0.5 g/100 ml and the tack point of the polyester resin is not lower than 130.degree. C. and the degree of crystallinity of the polyester resin is up to 30%.
This structure has improved peel resistance and is excellent in mechanical and chemical properties, especially adaptability to shaping processing and corrosion resistance. This structure can easily be formed into various vessels and containers and closure means of vessels and containers by such processing as drawing and ironing. This structure provides shaped articles excellent in peel resistance, corrosion resistance and processability.

REFERENCES:
patent: 2892747 (1959-06-01), Dye
patent: 2961365 (1960-11-01), Sroog
patent: 3054703 (1962-09-01), Brasure
patent: 3655349 (1972-04-01), Shah et al.
patent: 3832962 (1974-09-01), Rolles
patent: 3979009 (1976-09-01), Walker

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