Ethanol-based ink for marking pens

Details Ethanol-based ink for marking pens Ethanol-based ink for marking pens

C - Chemistry, Metallurgy

09

D

C09D 11/16 (2006.01)

Patent

CA 2115074

ABSTRACT The present invention provides an ethanol-based ink for marking pens which comprises at least one dye selected from the group consisting of compounds represented by specific structures, an ethanol-soluble resin, and ethanol. According to the present invention, yellow, orange, red, blue, pink, sky-blue and black inks can be provided, and even if these inks are allowed to stand for a long period of time, any precipitates are not observed in the inks and so they are excellent in water resistance after writing. In addition, the fixing properties of the inks to a metal are also good.

L'invention porte sur une encre à base d'éthanol pour crayon marqueurs, à base d'au moins un colorant choisi dans le groupe constitué de composés représentés par des structures spécifiques, d'une résine soluble dans l'éthanol et d'éthanol. Selon l'invention, il est possible d'obtenir des encres jaune, orange, rouge, bleu, rose, bleu-ciel et noire; ces encres, laissées au repos pendant une longue période de temps, ne forment aucun précipité, et elles possèdent donc une excellente résistance à l'eau après leur utilisation pour l'écriture. De plus, les propriétés de fixation de ces encres aux métaux sont bonnes elles aussi.

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