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    • 18. 发明专利
    • ANTIBACTERIAL INK FOR PRINTING
    • JPH09291243A
    • 1997-11-11
    • JP13065596
    • 1996-04-26
    • MARUMI TORYOTANBA KOGEI KK
    • OGAWA KAZUCHIKANIWA ISATAKA
    • A01N59/16C09D11/02C09D11/03
    • PROBLEM TO BE SOLVED: To obtain the subject ink capable of imparting an antibacterial property capable of preventing the growth of bacteria by a printing treatment of articles such as the paper of papered sliding doors by kneading a main ink with a specific particulate material. SOLUTION: This antibacterial ink is obtained by kneading a main ink with the particles of water-soluble glass containing a monovalent silver compound in the composition. The ink is printed on a substrate comprising a synthetic resin, etc., and subsequently brought into contact with water or steam. Thereby, the water-soluble glass is dissolved to release silver cations. The water-soluble glass is produced e.g. by homogeneously mixing 100 pts.wt of a mixture comprising 40.0mol% of SiO2 , 50.0mol% of B2 O3 and 10.0mol% of Na2 O with a monovalent silver compound in an amount of 2.0 pts.wt. (converted into Ag2 O), melting the mixture at 1100-1300 deg.C for 60min, quenching the mixture and subsequently selecting 200 mesh particles from the crushed product.