发明名称 RECORDING SOLUTION, RECORDING SOLUTION CARTRIDGE, RECORDER, RECORDING METHOD AND RECORDING MEDIUM
摘要 PROBLEM TO BE SOLVED: To obtain a recording solution having excellent discharge stability in high-speed printing and after long-term stop and improved color development, preventing blurring, exhibiting excellent characteristics as a color recording solution and to provide a recording solution cartridge, a recording method, a recorder and a recording medium. SOLUTION: This recording solution is obtained by formulating a recording solution containing a colorant to be dispersed or dissolved in water, water and a water-soluble organic solvent with an azo dye represented by formula 1 and a xanthene dye represented by formula 2 or an azo dye represented by formula 3 [R1, R3 and R4 are each H, an alkyl group or an aryl group; R2 is H or an alkyl group; M is a cation; (n) is an integer of 2-4; R21 to R24 are each H, a 1-4C alkyl group or a halogen; X1 and X2 are H, sulfonic acid group, sulfonamide group, carboxylic acid group or a carboxylic acid group- containing arylsulfonamide group; Y21 is SO3- or COO-]. The recording solution cartridge holds the recording solution. The recorder or recording method uses the recording solution.
申请公布号 JP2002235020(A) 申请公布日期 2002.08.23
申请号 JP20010028431 申请日期 2001.02.05
申请人 RICOH CO LTD 发明人 KOYANO MASAYUKI;NAGAI KIYOFUMI;KANEKO TETSUYA
分类号 B41J2/01;B41J2/175;B41M5/00;C09B11/28;C09B29/30;C09D11/00;C09D11/326;C09D11/328;C09D11/38;C09D11/54 主分类号 B41J2/01
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