COATING COMPOSITION FOR CONTAINER AND OTHER ARTICLES, AND COATING METHOD

• Main Authors: KEVIN ROMAGNOLI, RICHARD H EVANS, MARK S VON MAIER, T HOWARD KILLILEA, O'BRIEN ROBERT M, JEFFREY NIEDERST
• Format: Patent
• Language: English; Japanese
• Published: 05.12.2019
• 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; 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

To provide a polymer (preferably a polyether polymer) for use in an article including a food or beverage container or a part of a food or beverage container.SOLUTION: An article includes a metal substrate and a cured coating present at least on a part of the metal substrate; the cured coating is formed by curing an aqueous coating composition; bisphenol A or diglycidyl ether of bisphenol A is contained in the aqueous coating composition in an amount of less than 100 ppm; the aqueous coating composition contains a polyether polymer, and the polyether polymer is present as a part of a polyether-acryl copolymer.SELECTED DRAWING: None 【課題】食品用もしくは飲料用容器、または、食品用もしくは飲料用容器の一部、を含む物品における使用のためのポリマー（好ましくは、ポリエーテルポリマーである）を提供する。【解決手段】金属基材と、前記金属基材の少なくとも一部上に存在する硬化したコーティングと、を有しており、硬化したコーティングは、水系コーティング組成物を硬化することによって形成され、水系コーティング組成物に含まれるビスフェノールＡ又はビスフェノールＡのジグリシジルエーテルが１００ｐｐｍ未満であり、水系コーティング組成物はポリエーテルポリマーを含有し、ポリエーテルポリマーがポリエーテル−アクリルコポリマーの一部分として存在する。【選択図】なし