Inkjet recording ink, ink cartridge, inkjet printing apparatus and image forming method
US8955953B2 · kind B2 · utility
1Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2009 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Jul 20, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/324
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An inkjet recording ink including a carbon black, a dispersant, a polyurethane resin particle, and water, where the carbon black is a channel black, a gas black, or a mixture of channel black and a gas black, and the polyurethane resin particle is an anionic self-emulsifying ether-based polyurethane resin particle, wherein the anionic self-emulsifying ether-based polyurethane resin particle has an acid value of 40 to 120 and a mass average molecular weight of 500 to 50,000, and an average primary particle diameter of 20 nm or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.