DISPERSE COLOR MATERIAL AND PROCESS FOR PRODUCING THE SAME, WATER-COLOR INK EMPLOYING IT, INK TANK, INKJET RECORDER, INKJET RECORDING METHOD AND INKJET RECORDED IMAGE
申请人:CANON KABUSHIKI KAISHA
公开号:EP1593715A1
公开(公告)日:2005-11-09
The present invention provides a dispersible colorant having a sufficiently high dispersion stability with a high functional group density on the surface and a resin component present on the surface, the resin component not separating from the surface, and a method for simply producing the same. The present invention also provides an aqueous ink containing the excellent, dispersible colorant, ink tank, ink jet recorder, ink jet recording method and inkjet recorded images. The dispersible colorant comprises a colorant and chargeable resin pseudo fine particles having a smaller size than the colorant, and the colorant and particles are fixed to each other.
本发明提供了一种具有足够高的分散稳定性的可分散着色剂,其表面具有较高的官能团密度,表面存在树脂成分,树脂成分不会从表面分离,本发明还提供了一种简单生产该着色剂的方法。本发明还提供了一种含有上述优异的可分散着色剂的水性墨水、墨水罐、喷墨记录器、喷墨记录方法和喷墨记录图像。可分散着色剂包括着色剂和尺寸小于着色剂的可充电树脂伪细颗粒,着色剂和颗粒相互固定。