C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 11/00 (2006.01)
Patent
CA 2552536
Disclosed is an ink jet ink composition that forms indelible images on porous or semiporous substrates. The ink composition comprises a liquid carrier, a first colorant that is soluble in the carrier but insoluble or substantially insoluble in water, and a second colorant composition comprising a pigment, the second colorant composition being dispersible in the carrier. The second colorant composition is insoluble or substantially insoluble in the carrier. The images are difficult or impossible to remove or wash out by the use of aqueous and/or nonaqueous liquids.
Composition d'encre pour impression à jet d'encre qui forme des images indélébiles sur des substrats poreux ou semi-poreux. Ladite composition d'encre comporte un support liquide, un premier colorant soluble dans le support mais insoluble ou pratiquement insoluble dans l'eau, et une seconde composition colorante contenant un pigment, la seconde composition colorante étant dispersible dans le support. La seconde composition colorante est insoluble ou pratiquement insoluble dans le support. Il est difficile, voire impossible, d'éliminer ou d'effacer ces images à l'aide de liquides aqueux et / ou non aqueux.
Folkers John P.
Looman Steven D.
Smart & Biggar
Videojet Technologies Inc.
LandOfFree
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