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    • 6. 发明公开
    • INKJET RECORDING INK
    • TINTEFÜRTINTENSTRAHLAUFZEICHNUNG
    • EP3101071A4
    • 2017-01-25
    • EP15742729
    • 2015-01-29
    • FUJIFILM CORP
    • SHINOHARA RYUJISAITO YUKO
    • B41J2/01B41M5/00C09B29/30C09B33/18C09B33/30C09B62/04C09B67/44C09D11/328C09D11/38
    • C09D11/328B41J2/01C09B29/103C09B29/30C09B33/18C09B33/30C09B35/46C09B35/60C09B35/62C09B62/04C09D11/38
    • The present invention provides an ink jet recording ink including a dye which has a weight average molecular weight of 850 or less and is represented by Formula (1) below, a water-soluble organic solvent which has an SP value of 9.4 or more and less than 9.75 and is represented by Formula (2) or (3) below, and water, in which the content of a surfactant is less than 0.1% by mass. R 1 , R 2 : H, a halogen atom, OH, COOH, C1-C6 alkyl group, C1-C6 alkoxy group, NO 2 , an azophenyl group, -L1-Ra and the like, L 1 : O, CH 2 , C 6 H 4 , N=N, SO 2 or a combination thereof, Ra: a phenyl group, a naphthyl group, or the like, R 3 : H, an azophenyl group, an azonaphthalene group, -L 2 -Rb or the like, L 2 : C(=O), C 6 H 4 , N=N, NH, SO 2 or a combination thereof, Rb: a phenyl group, a naphthyl group, a pyrimidyl group, or the like; M: H, Na, NH 4 , alkylammonium or the like, R: C2-C6 unsubstituted alkyl group, and n is 1 to 3.
    • 本发明提供一种喷墨记录油墨,其包含重均分子量为850以下且由下式(1)表示的染料,SP值为9.4以上的水溶性有机溶剂 比例为9.75,由下式(2)或(3)表示,表面活性剂含量小于0.1质量%的水。 R 1,R 2:H,卤素原子,OH,COOH,C1-C6烷基,C1-C6烷氧基,NO2,偶氮苯基,-L1-Ra等,L 1:O,CH 2 ,C 6 H 4,N = N,SO 2或其组合,Ra:苯基,萘基等,R 3:H,氮杂苯基,氮杂萘基,-L 2 -Rb或 L 2:C(= O),C 6 H 4,N = N,NH,SO 2或其组合,Rb:苯基,萘基,嘧啶基等; M:H,Na,NH 4,烷基铵等,R:C2-C6未取代的烷基,n为1〜3。