Polyvinyl alcohol based block copolymer and pigment dispersion aqueous liquid using the same and recording liquid
US7348382B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2005 |
| Grant date | Mar 25, 2008 |
| Priority date | — |
| Expiry date | Oct 3, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/923
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A recording liquid capable of giving a printed matter which is high in printing density, is suppressed in blur, has high printing quality, and has good fastness of a recorded matter including light fastness, water fastness and the like and having a low viscosity, good discharge properties and excellent storage stability. The invention is concerned with a polyvinyl alcohol based block copolymer represented by the following general formula (1), a pigment dispersion aqueous liquid containing this polyvinyl alcohol based block copolymer and a pigment in an aqueous medium, and a recording liquid containing this pigment dispersion aqueous liquid.wherein A, B, X1, X2, X3, X4, m1, and m2 have the same meanings as defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.