USE OF A COATING COMPOSITION AND METHOD OF COATING A CAN

Use of a coating composition in the reduction or prevention of insufficient venting of a beverage can, the beverage can comprising a can body and a can end having a score line on said can end, wherein the coating composition comprises a polyester material, wherein the coating composition is applied...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI, Qin, SENEKER, Carl, ZHANG, Wenchao, HU, Fengshuo, MOLLEO, Max, MILLERO JR, Edward
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON 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 MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Use of a coating composition in the reduction or prevention of insufficient venting of a beverage can, the beverage can comprising a can body and a can end having a score line on said can end, wherein the coating composition comprises a polyester material, wherein the coating composition is applied to at least the internal surface of the can end over at least a portion of the score line, and wherein a cured film formed from the coating composition has a glass transition temperature (Tg) of at least 50°C.A method of coating a can comprising a can body and a can end having a score line on said can end, wherein the method comprises applying a coating composition to at least a portion of an internal surface of the can end over at least a portion of the score line, the coating composition comprising a polyester material;and curing the coating composition to form a cured film, wherein the cured film has a glass transition temperature (Tg) of at least 50°C,wherein the can, when filled with a carbonated beverage and sealed, exhibits sufficient venting upon rupture of the score line.