Non-aqueous ink jet ink composition

C - Chemistry – Metallurgy – 09 – D

Patent

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

Patent

CA 2681442

A nonaqueous inkjet ink composition that at printing by an inkjet printer, is free from clogging of a nozzle of printer head part and that excels in ink delivery stability leading to prints of excellent printing quality. The nonaqueous inkjet ink composition is one containing a pigment, a resin, a pigment dispersant, an organic solvent and an aminated alcohol, characterized in that the content of the aminated alcohol is in the range of 0.01 to 3 mass% based on the whole mass. The nonaqueous inkjet ink composition may be one characterized in that the water extract from the nonaqueous inkjet ink composition exhibits a pH value ranging from 6.0 to 10Ø

Composition d'encre non aqueuse pour impression par jet d'encre qui, lors d'une impression par une imprimante à jet d'encre, n'obstrue pas les buses d'une partie de tête d'imprimante et est remarquable du point de vue de la stabilité de délivrance de l'encre, donnant des impressions d'excellente qualité. La composition d'encre non aqueuse pour impression par jet d'encre de l'invention contient un pigment, une résine, un dispersant pour pigment, un solvant organique et un alcool aminé, et est caractérisée en ce que la teneur de l'alcool aminé est dans la plage de 0,01 à 3 % en poids sur la base du poids total. La composition de l'invention peut être caractérisée en ce que son extrait aqueux a une valeur de pH dans la plage de 6,0 à 10,0. 137 mots

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