Aqueous inkjet inks
An aqueous inkjet ink contains: a) a color pigment; b) an alkoxylated fluorosurfactant; and c) an ethoxylated oligomer having a molecular weight smaller than 400; and has a static surface tension at 25° C. of no more than 28 mN·m; and a viscosity between 5 and 12 mPa·s at 32° C. at a shear rate of 1,000 s −1 .
1. An aqueous inkjet ink comprising:
a color pigment;
an alkoxylated fluorosurfactant; and
an ethoxylated oligomer having an average molecular weight smaller than 400; wherein
the aqueous inkjet ink has a static surface tension at 25° C. of no more than 28 mN·m;
the aqueous inkjet ink has a viscosity between 5 and 12 mPa·s at 32° C. at a shear rate of 1,000 s −1 ; and
the alkoxylated fluorosurfactant is selected from the group consisting of:
2. The aqueous inkjet ink according to claim 1 , wherein the color pigment is a red pigment selected from the group consisting of C.I. Pigment Red 122, C.I. Pigment Red 254, and mixed crystals thereof.
3. The aqueous inkjet ink according to claim 1 , further comprising a polymer latex binder.
4. The aqueous inkjet ink according to claim 2 , further comprising a polymer latex binder.
5. The aqueous inkjet ink according to claim 3 , wherein the polymer latex binder is a polyurethane based latex.
6. The aqueous inkjet ink according to claim 4 , wherein the polymer latex binder is a polyurethane based latex.
7. The aqueous inkjet ink according to according to claim 1 , further comprising glycerol and/or 1,2-hexanediol.
8. An aqueous inkjet ink set comprising:
two or more aqueous inkjet inks according to claim 1 .
9. An inkjet printing method comprising the steps of:
jetting one or more aqueous inkjet inks according to claim 1 onto a substrate; and
drying the one or more aqueous inkjet inks jetted on the substrate.
10. The inkjet printing method according to claim 9 , wherein the substrate includes paper.
11. The inkjet printing method according to claim 10 , wherein the paper is impregnated with a thermosetting resin.
12. The inkjet printing method according to claim 10 , wherein the substrate includes an ink receiver layer including an inorganic pigment and a polymer.
13. The inkjet printing method according to claim 11 , wherein the substrate includes an ink receiver layer including an inorganic pigment and a polymer.
14. The inkjet printing method according to claim 9 , wherein the substrate is selected from the group consisting of polyvinyl chloride, polyethylene terephthalate, and polyalkylene.
15. A decorative laminate comprising:
a substrate; and
one or more aqueous inkjet inks according to claim 1 on the substrate.