| US 7,578,587 B2 | ||
| Curable overcoat for wax-based inks | ||
| Jennifer L. Belelie, Oakville (Canada); and Peter G. Odell, Mississauga (Canada) | ||
| Assigned to Xerox Corporation, Norwalk, Conn. (US) | ||
| Filed on Nov. 30, 2005, as Appl. No. 11/289,552. | ||
| Prior Publication US 2007/0120922 A1, May 31, 2007 | ||
| Int. Cl. B41J 2/01 (2006.01) | ||
| U.S. Cl. 347—105 [347/101; 347/100; 428/32.1] | 21 Claims |
| 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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