| 摘要 |
The present invention provides a novel humectant set for use in an ink having properties suited for use in all types of printers to meet the demanding requirements, said novel humectant set comprising (a) polyethylene glycol; and (b) a diol with adjacent -OH groups; in further embodiment, comprising at least two of the following: (a) polyethylene glycol; (b) a diol with adjacent -OH group; and (c) 2-pyrrolidone; and in further embodiment, comprising (a) polyethylene glycol; (b) an alkyl diol with adjacent -OH groups; and (c) 2-pyrrolidone. Ink compositions of the present invention comprise: the humectant set of the present invention, colorant and, optionally, a penetrant and/or a binder.
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