Rapid drying, water-based ink-jet ink

Details Rapid drying, water-based ink-jet ink Rapid drying, water-based ink-jet ink

C - Chemistry, Metallurgy

09

D

C09D 11/00 (2006.01)

Patent

CA 2670088

The present invention is drawn to ink compositons and methods for ink-jet recording. The ink-jet ink can comprise water and at least 20 wt% solids. The solids can include pigment particulates and silica particulates dispersed in the ink-jet ink, as well as solid humectant substantially dissolved in the ink-jet ink. The pigment particulates, silica particulates, and solid humectant substantially remain with a dried image that is printed using the ink-jet ink of the present invention.

La présente invention concerne des compositions d'encre et des procédés pour l'enregistrement à jet d'encre. L'encre à jet d'encre peut comprendre de l'eau et au moins 20 % en poids de matières solides. Les matières solides peuvent comprendre des particules de pigment et des particules de silice dispersées dans l'encre à jet d'encre, ainsi qu'un humidifiant solide sensiblement dissous dans l'encre à jet d'encre. Les particules de pigment, les particules de silice et l'humidifiant solide restent sensiblement avec une image séchée qui est imprimée en utilisant l'encre à jet d'encre de la présente invention.

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