Curable overcoat for wax-based inks
First Claim
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1. An ink jettable overprint composition, comprising:
- at least one of a polymerizable monomer and/or a polymerizable oligomer;
at least one photoinitiator; and
from about 30.6 wt % to about 60 wt % of at least one wax selected from the group consisting of waxes functionalized with UV curable groups, crystalline polymeric waxes, and hydroxyl-terminated polyethylene waxes,wherein the waxes functionalized with UV curable groups are selected from the group consisting of esterified carboxylic acid-terminated polyethylene waxes functionalized with UV curable groups and esterified hydroxyl-terminated polyethylene waxes functionalized with UV curable groups; and
the crystalline polymeric waxes are selected from the group consisting of aliphatic polar amide functionalized waxes, carboxylic acid-terminated polyethylene waxes, aliphatic waxes consisting of esters of hydroxylated unsaturated fatty acids, high acid waxes, and mixtures thereof.
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Abstract
An ink jettable overprint composition includes at least one of a polymerizable monomer and/or a polymerizable oligomer; at least one photoinitiator; and at least one wax.
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Citations
21 Claims
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1. An ink jettable overprint composition, comprising:
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at least one of a polymerizable monomer and/or a polymerizable oligomer; at least one photoinitiator; and from about 30.6 wt % to about 60 wt % of at least one wax selected from the group consisting of waxes functionalized with UV curable groups, crystalline polymeric waxes, and hydroxyl-terminated polyethylene waxes, wherein the waxes functionalized with UV curable groups are selected from the group consisting of esterified carboxylic acid-terminated polyethylene waxes functionalized with UV curable groups and esterified hydroxyl-terminated polyethylene waxes functionalized with UV curable groups; and the crystalline polymeric waxes are selected from the group consisting of aliphatic polar amide functionalized waxes, carboxylic acid-terminated polyethylene waxes, aliphatic waxes consisting of esters of hydroxylated unsaturated fatty acids, high acid waxes, and mixtures thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A system for creating an image on a substrate, comprising:
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an image generating component; a substrate for receiving an image generated from the image generating component; and an overprint composition configured for being ink jetted onto the generated image; wherein the overprint composition comprises; at least one of a polymerizable monomer and a polymerizable oligomer; at least one photoinitiator; and from about 30.6 wt % to about 60 wt % of at least one wax selected from the group consisting of waxes functionalized with UV curable groups, crystalline polymeric waxes, and hydroxyl-terminated polyethylene waxes, wherein the waxes functionalized with UV curable groups are selected from the group consisting of esterified carboxylic acid-terminated polyethylene waxes functionalized with UV curable groups and esterified hydroxyl-terminated polyethylene waxes functionalized with UV curable groups; and the crystalline polymeric waxes are selected from the group consisting of aliphatic polar amide functionalized waxes. carboxylic acid-terminated polyethylene waxes, aliphatic waxes consisting of esters of hydroxylated unsaturated fatty acids, high acid waxes, and mixtures thereof.
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Specification