Improvements in polyester resin film laminated steel sheet

A resin film laminated steel sheet or strip suitable for the manufacture of drawn and ironed cans, comprising a copolyester film laminated to a steel sheet or strip with an intermediate layer comprising hydrated chromium oxide, said copolyester resin comprising 75 to 95 mole % of polyethylene tereph...

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Bibliographische Detailangaben
1. Verfasser:	TSUNEO INUI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ADHESIVES APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING CORRECTING FLUIDS DYES FILLING PASTES HANDLING THIN OR FILAMENTARY MATERIAL INKS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PACKAGES PACKAGING ELEMENTS PACKING PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PUNCHING METAL SPRAYING OR ATOMISING IN GENERAL STORING TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A resin film laminated steel sheet or strip suitable for the manufacture of drawn and ironed cans, comprising a copolyester film laminated to a steel sheet or strip with an intermediate layer comprising hydrated chromium oxide, said copolyester resin comprising 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 and at least one saturated polyol, said film having a thickness of about 10 to 50 gm, a softening temperature of about 170 to 235 DEG C, melting temperature of about 190 to 250 DEG C, an elongation at break of about 150 to 500 % and strength at break of about 3 to 18 kg/mm , the reverse face to be used for the outside of said drawn and ironed can being coated with a ductile metal selected from chromium, tin, nickel, zinc and aluminium.