Resin-coated steel can and method for producing the same
The present invention relates to a resin-coated steel can provided with a remarkably improved adhesion of a resin coating and excellent corrosion resistance (impact resistance and barrier property), and a method for producing the same by using a resin-coated steel sheet having a resin coating formed...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The present invention relates to a resin-coated steel can provided with a remarkably improved adhesion of a resin coating and excellent corrosion resistance (impact resistance and barrier property), and a method for producing the same by using a resin-coated steel sheet having a resin coating formed from a polyester resin film of an economically efficient general-purpose composition. More specifically, the present invention relates to a resin-coated steel can produced by drawing or draw-redrawing a resin-coated steel sheet at least having a surface serving as a can inner surface coated with a biaxially-stretched polyester film and a surface serving as a can outer surface that is coated and/or printed. The biaxially-stretched polyester film on the can inner surface side wall has a crystallinity in a range of 42 to 52%, and a shrinkage (shrinkage in the can height direction upon raising the temperature from 23°C to 130°C at a rate of 5°C/min.) of the biaxially-stretched polyester film on the can inner surface s |
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