THERMOCHROMIC INK COMPOSITION, AND ARTICLE MADE THEREFROM

An article, such as a tamper evident container, includes a thermochromic ink composition comprising a leuco dye, a source of labile hydrogen, an organic diluent, water, polyvinyl alcohol, hydroxylated poly (vinyl acetate), and an organic compound having at least one carbonyl group. The ink compositi...

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Bibliographische Detailangaben
Hauptverfasser:	KANNABIRAN, RENGAN, METTA, MICHAEL, SETTER, DONALD, E, KANNANKERIL, CHARLES, P
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	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
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Beschreibung
Zusammenfassung:	An article, such as a tamper evident container, includes a thermochromic ink composition comprising a leuco dye, a source of labile hydrogen, an organic diluent, water, polyvinyl alcohol, hydroxylated poly (vinyl acetate), and an organic compound having at least one carbonyl group. The ink composition is characterized by improved wet abrasion resistance. La présente invention concerne un article, tel qu'un récipient inviolable, contenant une composition d'encre thermochromique qui comprend une teinte incolore, une source d'hydrogène instable, un diluent organique, de l'eau, de l'alcool polyvinylique, un acétate de polyvinyle hydroxylé, et un composé organique possédant au moins un groupe carbonyle. Cette composition d'encre est caractérisée par une résistance accrue à l'abrasion humide.