Slow-penetrating inkjet fixer composition and methods and systems for making and using same
First Claim
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1. An inkjet fixer composition, comprising:
- a) an aqueous ink vehicle including at least two co-solvents including from 5 to 20 weight percent of 4-methylmorpholine-N-oxide titrated to a pH of 4-6 with methanesulfonic acid and from 6 to 12 weight percent of trimethylolpropane;
b) from 1 to 2 weight percent of at least one polyamine polycation;
c) from 0 to 0.1 weight percent carboxybenzotriazole; and
d) from 0 to 0.4 weight percent non-ionic fluorosurfactant and from 0 to 0.5% non-ionic acetylenic diol-based surfactant;
wherein the fixer composition is slow penetrating into a substrate; and
wherein the fixer composition underprints an ink-jet ink on the substrate, the ink-jet ink comprising;
a) an aqueous liquid vehicle; and
b) a colorant;
wherein the fixer composition vehicle and the ink-jet ink vehicle form a vehicle mixture on the substrate after which the vehicle mixture penetrates into the substrate, and an ink image is formed on the substrate.
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Abstract
An inkjet fixer composition and a printing method and system used with the composition are disclosed herein. The composition includes: a) from 1 to 8 weight percent cationic polymer; and b) from 0 to 2 weight percent of at least one surfactant selected from the group consisting of nonionic surfactant, cationic surfactant and combinations thereof; and c) an aqueous liquid vehicle. Upon overprinting the fixer composition with an ink-jet ink on a substrate, the fixer composition vehicle and the ink-jet ink vehicle form a vehicle mixture on the substrate after which the vehicle mixture penetrates into the substrate, and an ink image is formed on the substrate.
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Citations
16 Claims
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1. An inkjet fixer composition, comprising:
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a) an aqueous ink vehicle including at least two co-solvents including from 5 to 20 weight percent of 4-methylmorpholine-N-oxide titrated to a pH of 4-6 with methanesulfonic acid and from 6 to 12 weight percent of trimethylolpropane; b) from 1 to 2 weight percent of at least one polyamine polycation; c) from 0 to 0.1 weight percent carboxybenzotriazole; and d) from 0 to 0.4 weight percent non-ionic fluorosurfactant and from 0 to 0.5% non-ionic acetylenic diol-based surfactant; wherein the fixer composition is slow penetrating into a substrate; and wherein the fixer composition underprints an ink-jet ink on the substrate, the ink-jet ink comprising; a) an aqueous liquid vehicle; and b) a colorant; wherein the fixer composition vehicle and the ink-jet ink vehicle form a vehicle mixture on the substrate after which the vehicle mixture penetrates into the substrate, and an ink image is formed on the substrate. - View Dependent Claims (2, 3)
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4. A method for printing durable ink-jet ink images, comprising:
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i) jetting a fixer composition onto a substrate, said fixer composition comprising; a) an aqueous liquid vehicle including at least two co-solvents including from 5 to 20 weight percent of 4-methylmorpholine-N-oxide titrated to a pH of 4-6 with methanesulfonic acid and from 6 to 12 weight percent of trimethylolpropane; b) from 1 to 2 weight percent of at least one polyamine polycation; c) from 0 to 0.1 weight percent carboxybenzotriazole; and d) from 0 to 0.4 weight percent non-ionic fluorosurfactant and from 0 to 0.5 weight percent non-ionic acetylenic diol-based surfactant; and ii) jetting an ink-jet ink onto the substrate of step (i), said ink-jet ink composition comprising; a) an aqueous liquid vehicle; and b) a colorant wherein the fixer composition is slow penetrating into the substrate; and wherein, after the fixer composition is overprinted with the ink-jet ink composition, the fixer composition vehicle and the ink-jet ink vehicle form a vehicle mixture on the substrate after which the vehicle mixture penetrates into the substrate, and an ink image is formed on the substrate. - View Dependent Claims (5, 6)
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7. An inkjet fixer composition, comprising:
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a) from 1 to 8 weight percent of at least one cationic polymer; and b) up to 2 weight percent of at least one surfactant selected from the group consisting of nonionic surfactants, cationic surfactants, and combinations thereof; and c) an aqueous liquid vehicle including; at least two co-solvents selected from i) 4-methylmorpholine-N-oxide titrated to a pH of 4-6 with methanesulfonic acid, and ii) trimethylolpropane; at least one polyamine polycation; carboxybenzotriazole; and a non-ionic fluorosurfactant and a non-ionic acetylenic diol-based surfactant; wherein the fixer composition is slow-penetrating into a substrate. - View Dependent Claims (8, 9, 10, 11)
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12. A system for printing durable ink-jet ink images, comprising:
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a) a first ink-jet pen containing a fixer composition, said fixer composition comprising; i. from 1 to 8 weight percent of at least one cationic polymer; ii. up to 2 weight percent of at least one surfactant selected from the group consisting of nonionic surfactants, cationic surfactants, and combinations thereof; and iii. an aqueous liquid vehicle including; from 5 to 20 weight percent of 4-methylmorpholine-N-oxide titrated to the pH of 4-6 with methanesulfonic acid; and from 6 to 12 weight percent of trimethylolpropane; and wherein the ink fixer composition further includes; from 1 to 2 weight percent of at least one polyamine polycation; up to 0.1 weight percent carboxybenzotriazole; up to 0.4 weight percent non-ionic fluorosurfactant; and up to 0.5 percent non-ionic acetylenic diol-based surfactant; wherein the fixer composition is slow-penetrating into a substrate; b) a second ink-jet pen containing an ink-jet ink composition, said ink-jet ink composition comprising; i. an aqueous liquid vehicle; and ii. a colorant; wherein, upon overprinting the fixer composition with the ink-jet ink on the substrate, the fixer composition and the ink-jet ink form a mixture on the substrate; and wherein, upon overprinting the fixer composition with the ink-jet ink composition on the substrate, the fixer composition vehicle and the ink-jet ink vehicle form a vehicle mixture on the substrate, after which the vehicle mixture penetrates into the substrate, and an ink image is formed on the substrate. - View Dependent Claims (13, 14, 15, 16)
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Specification