申请人:FUJIFILM Corporation
公开号:EP3101071A1
公开(公告)日:2016-12-07
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. R1, R2: H, a halogen atom, OH, COOH, C1-C6 alkyl group, C1-C6 alkoxy group, NO2, an azophenyl group, -L1-Ra and the like, L1: O, CH2, C6H4, N=N, SO2 or a combination thereof, Ra: a phenyl group, a naphthyl group, or the like, R3: H, an azophenyl group, an azonaphthalene group, -L2-Rb or the like, L2: C(=O), C6H4, N=N, NH, SO2 or a combination thereof, Rb: a phenyl group, a naphthyl group, a pyrimidyl group, or the like; M: H, Na, NH4, alkylammonium or the like, R: C2-C6 unsubstituted alkyl group, and n is 1 to 3.
本发明提供了一种喷墨记录墨水,包括重量平均分子量为 850 或以下且由下式 (1) 表示的染料、SP 值为 9.4 或以上且小于 9.75 且由下式 (2) 或 (3) 表示的水溶性有机溶剂和水,其中表面活性剂的含量按质量计小于 0.1%。R1, R2:H、卤素原子、OH、COOH、C1-C6 烷基、C1-C6 烷氧基、NO2、偶氮苯基、-L1-Ra 等,L1:O、CH2、C6H4、N=N、SO2 或其组合,Ra:苯基、萘基等,R3:H、偶氮苯基、偶氮萘基、-L2-Rb 等,L2:C(=O)、C6H4、N=N、NH、SO2 或其组合,Rb:苯基、萘基、嘧啶基或类似物;M:H、Na、NH4、烷基铵或类似物,R:C2-C6 未取代烷基,n 为 1 至 3。