Dispersible colorant and method for producing the same, and...

C - Chemistry – Metallurgy – 09 – C

Patent

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Details

C09C 1/56 (2006.01) B41J 2/01 (2006.01) C09C 3/10 (2006.01) C09D 11/00 (2006.01)

Patent

CA 2511099

A disperse color material having a surface subjected to sufficient dispersion stabilization with a high functional group density wherein a resin component exists on the surface and the resin component is not desorbed from the color material, its convenient producing process, a water-color ink employing such an excellent disperse color material, an inkjet recorder, an inkjet recording method, and an inkjet recorded image. The disperse color material comprises a color material and pseudofine particles of charging resin smaller than the color material, characterized in that the color material and the pseudofine particles of charging resin are bonded to each other.

L'invention concerne un matériau colorant dispersé présentant une surface soumise à une stabilisation de dispersion suffisante, comportant une densité importante de groupes fonctionnels, un composant résine non désorbé du matériau colorant étant présent sur ladite surface. L'invention concerne également un procédé pratique pour la production dudit matériau, une encre de couleur à base d'eau contenant cet excellent matériau colorant dispersé, une imprimante à jet d'encre, un procédé d'impression par jet d'encre et une image imprimée par jet d'encre. Ce matériau colorant dispersé contient un matériau colorant et des particules pseudofines de résine de charge dont la taille est inférieure à celle du matériau colorant. L'invention est caractérisée en ce que le matériau colorant et les particules pseudofines de résine de charge sont liés.

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