POLYESTER RESIN FILM LAMINATED STEEL SHEET FOR DRAWN AND IRONED CAN AND METHOD FOR PRODUCTION THEREOF

摘要

A polyester resin film laminated steel sheet for a drawn and ironed can which comprises laminating a copolyester resin film prepared by processing according to a known method a polyester resin film consisting of 75 to 95 mole % of polyethylene terephthalate and 5 to 25 mole % of a polyester resin produced by the esterification of at least one saturated polycarboxylic acid with at least one saturated polyalcohol on the one side of a steel sheet covered with at least hydrated chromium oxide to be employed for the inside of the drawn and ironed can and plating a ductile metal such as tin, nickel, zinc and aluminum on the other side of the steel sheet to be employed for the outside of the drawn and ironed can. By using this polyester resin film laminated steel sheet, a drawn and ironed can having an excellent corrosion resistance with respect to the packed contents such as carbonated beverages and fruit juices is easily produced. Furthermore, this drawn and ironed can can be used without an inner lacquer coating after forming.