COATED METAL PLATE AND DRAWN-AND-IRONED CAN

• Main Authors: YAMAMOTO, Hiromi, SAKURAGI, Arata, KASHIWAKURA, Takuya, ZHANG, Nan
• Format: Patent
• Language: English; French; German
• Published: 10.08.2022
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; ADHESIVES; 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; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PACKAGES; PACKAGING ELEMENTS; PACKING; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; STORING; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS

The present invention relates to a coated metal sheet provided with a coating on at least one surface thereof. The coating contains a polyester resin as a main component and a β-hydroxyalkylamide compound as a curing agent. Since the coating has an elongation of not less than 200% under test conditions of 90°C, the coated metal sheet has excellent can-making workability without metal exposure even if the coated metal sheet is subjected to severe working such as drawing and ironing. The present invention provides also a drawn-ironed can formed of the coated metal sheet.