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AQUEOUS PIGMENT DISPERSION AND WATER-BASE PIGMENT INK FOR INK -JET RECORDING - European Patent Office - EP 2223980 A1
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2010 |
| Abstract | (57) An aqueous pigment dispersion capable of easily preparing an aqueous pigment ink for inkjet recording, from which is obtained a colored image which is excellent in scratch fastness and excellent in properties on any recording media such as color development on plain papers and gloss on dedicated papers, is provided. An aqueous pigment dispersion containing carbon black or an organic pigment (P), a (meth)acrylic copolymer (A), a polyoxyethylene/polyoxypropylene block copolymer (B) represented by the following general formula (1), a polyether based polyurethane (C), a basic material and water, wherein a mass ratio of the total of nonvolatile contents of (A), (B) and (C) to (P), (A + B + C)/P, is from 0.3 to 1.6; and a mass ratio of A/(A + B + C) is from 0.05 to 0.45, is provided. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://www.lens.org/images/patent/EP/2223980/A1/EP_2223980_A1.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
