Inkjet recording liquid and inkjet recording method
US7918927B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2009 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Feb 11, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/06
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An inkjet recording liquid includes: water; a colorant; a first water-soluble organic solvent having a structure represented by the following Formula (1), an SP value of 27.5 or less, and a molecular weight of 100 to 210; and a second water-soluble organic solvent having a structure represented by the following Formula (2), an SP value of 27.5 or less, and a molecular weight of 240 to 2000, wherein the mass ratio of the content of the first water-soluble organic solvent to the content of the second water-soluble organic solvent is from 1:3 to 3:1:R1-(A1)n-OH Formula (1)R2-(A2)m-OH Formula (2)In Formulae (1) and (2), R1 represents a hydrogen atom or an alkyl group, R2 represents a hydrogen atom, an alkyl group, or a group derived from a sugar alcohol, each A1 independently represents an ethyleneoxy group or a propyleneoxy group, each A2 independently represents an ethyleneoxy group or a propyleneoxy group, n represents an integer from 1 to 3 and m represents an integer from 3 to 40.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.