PH-SENSITIVE VARIABLE-COLOR INK COMPOSITION, AND PH-SENSITIVE INDICATOR LABEL AND PACKAGING MATERIAL USING SAME

• Main Authors: KIM DO-WAN, HONG SEOK JUN, JO KYOUNG-SIK, KIM GRACE
• Format: Patent
• Language: Chinese; English
• Published: 14.12.2021
• 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 application relates to a pH-sensitive variable-color ink composition, and a pH-sensitive indicator label and packaging material using same. The pH-sensitive variable-color ink composition comprises: a pH-sensitive indicator prepared by mixing a plurality of pH variable-color dyes of which the color changes according to a pH range; dissolving ink which is stirred with the pH-sensitive indicator and capable of dissolving the pH-sensitive indicator; and an adsorption compound which is stirred with the dissolving ink and capable of adsorbing gas, and the pH-sensitive label and packaging material using the pH-sensitive variable-color ink composition use the pH-sensitive variable-color ink composition. 本申请涉及一种pH感应型变色油墨组合物和使用其的pH感应型指示标签和包装材料，其中，所述pH感应型变色油墨组合物包括pH感应型指示剂，其由根据pH区间而改变颜色的多个pH变色染料混合制成；溶解油墨，其与所述pH感应型指示剂一起搅拌并溶解所述pH感应型指示剂；吸附化合物，其与所述溶解油墨一起搅拌并能够吸附气体，并且使用pH感应型变色油墨组合物的pH感应型指示标签和包装材料使用pH感应型变色油墨组合物。