Amine- and phthalocyanine dye-containing ink-jet inks with...

Details Amine- and phthalocyanine dye-containing ink-jet inks with... Amine- and phthalocyanine dye-containing ink-jet inks with...

C - Chemistry, Metallurgy

09

D

C09D 11/00 (2006.01) C08K 5/17 (2006.01)

Patent

CA 2600803

In accordance with embodiments of the present invention, an ink-jet ink can comprise a metallized phthalocyanine dye and a liquid vehicle carrying the dye. The liquid vehicle can include an amine additive present in the ink-jet ink at an effective concentration to cause improvement of ozone fastness. The improvement can be determined by comparing the ozone fastness of the ink-jet ink with a control ink-jet ink that does not include the amine additive.

L~invention concerne une encre d~impression jet d~encre comprenant un colorant phtalocyanine métallisé et un véhicule liquide portant le colorant. Le véhicule liquide peut comprendre un additif aminé présent dans l~encre d~impression jet d~encre à une concentration effective permettant d~améliorer la tenue à l~ozone. L~amélioration peut être déterminée en comparant la tenue à l~ozone de l~encre d~impression jet d~encre avec une encre d~impression jet d~encre témoin, ne comprenant pas d~additif aminé.

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