Nanojet inkjet ink

Inkjet recording is a recording method wherein droplets of ink are ejected through fine nozzles to form letters or figures on the surface of recording media.

Colorants for inkjet ink used in large format or desktop printer may be generally classified as dyes or pigments. Accordingly, any inkjet inks may incorporate dye(s), pigment(s), or a combination of dye(s) and pigment(s) to print images on the recording media. Of these three, dye-based thermal inkjet ink compositions are most widely available commercially.

One reason that dyes are sometimes selected over pigments concerns the expansive color saturation and higher brightness due to the fact that dyes are easily dissolved and well separately existed as molecules in water. Also, the mechanics of printing dye-based inks via inkjet recording methods are simpler than those of printing pigment-based inks since pigments often constitute relatively large particles dispersed in medium, as opposed to the molecules of dyes. These particles of pigment may influence the mechanism of drop formation and consequently may enhance the difficulty of achieving good printing performance, such as drop volume,