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US09045659B2 Inkjet recording ink and inkjet recording device using the same 有权
喷墨记录油墨和使用其的喷墨记录装置

Inkjet recording ink and inkjet recording device using the same
Abstract:
An inkjet recording ink, which contains: carbon black; a surfactant; water; a water-soluble organic solvent; and particles formed of an anionic self-emulsifying poly(ether urethane) resin, wherein the carbon black contains first carbon black whose surface has been treated with an anionic surfactant and second carbon black which has been coated with a resinous polymer, where a mass ratio of the first carbon black to the second carbon black is 10/90 to 90/10, and wherein the anionic surfactant is a naphthalenesulfonic acid-formaldehyde condensate.
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