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

B - Operations, Transporting

32

B

117/197, 113/33

B32B 15/08 (2006.01) B65D 25/14 (2006.01)

Patent

CA 1088820

ABSTRACT OF THE DISCLOSURE 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°C. in o-chlorophenol at a concentra- tion of 0.5 g/100 mµ, and the tack point of the poly- ester resin is not lower than 130°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 corro- sion resistance. This structure can easily be formed into various vessels and containers by such processing as drawing of vessels and containers by such processing as drawing and ironing. This structure provides shaped articles excellent in peel resistance, corrosion resistance and processability.

266584

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