Ink composition for inkjet printing

Details Ink composition for inkjet printing Ink composition for inkjet printing

C - Chemistry, Metallurgy

09

D

C09D 11/00 (2006.01) B41J 2/01 (2006.01) B41M 5/00 (2006.01)

Patent

CA 2577264

The invention provides an ink composition for ink-jet printing which does not cause clogging of nozzles of an ink--jet printer during printing, to thereby provide a print of desired printing quality; which ensures an appropriate drying rate of printed images; and which attains excellent color development. The ink composition for ink-jet printing, containing a pigment, a binder resin, a pigment dispersant, and a solvent, wherein the solvent is formed of (1) at least one glycol ether and at least one of a lactone compound and 2--pyrrolidone, or (2) at least one glycol ether acetate and at least one of cyclohexane and isophorone.

L'invention porte sur une composition d'encre pour impression à jet d'encre qui, pour une impression avec imprimante à jet d'encre, est libérée de toute obstruction de la buse de projection, permettant ainsi obtenir une impression de qualité voulue et susceptible de garantir une vitesse de séchage appropriée, avec un excellent développement des couleurs. La composition d'encre pour impression à jet d'encre selon l'invention comprend un pigment, une résine de liant, un dispersant de pigment et un solvant, le solvant se composant (1) d'au moins un éther de glycol et d'au moins un élément entre un composé de lactone et un 2-pyrrolidone, ou (2) d'au moins un acétate d'éther glycol et d'au moins un élément entre un cyclohexanone et un isophorone.

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