Resin-coated metal plate, metal can and can cap
AssigneeToyo Seikan Kaisha, Ltd.
InventorsKazuhiro Sato, Hiroaki Ikenaga, Kentaro Ichikawa, Akihiko Morofuji
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Abstract
A resin-coated metal sheet comprising a metal substrate and a thermoplastic resin layer formed on the surface of the metal substrate, wherein the thermoplastic resin layer comprises a polyester consisting chiefly of a polyethylene terephthalate and an ethylene polymer, and contains an ionomer resin as well as a tocopherol or a derivative thereof. The resin-coated metal sheet exhibits corrosion resistance, shock resistance (dent resistance) and resistance against high temperature and humidity, and withstands the retort-sterilization and the aging in a hot vendor or the like after the retort-sterilization.
Claims8
A resin-coated metal sheet comprising a metal substrate and a thermoplastic resin layer formed on the surface of said metal substrate, wherein said thermoplastic resin layer comprises a polyester consisting chiefly of a polyethylene terephthalate and an ethylene polymer, and contains a tocopherol or a derivative thereof in an amount of from 0.05 to 3% by weight.
Dependencies are inferred from the claim text.