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US 9,068,096 B2Granted
Perfluoropolyethers as ink additives
AssigneeHewlett-Packard Development Company, L.P.
InventorsSterling Chaffins, Kevin P. DeKam, Jayprakash C Bhatt, Mehrgan Khavari
Life of this patent
Estimating the term…
Abstract
An ink is disclosed. The ink composition includes an ink vehicle, a colorant, and a fluorosurfactant, wherein the fluorosurfactant is a polymer having the general formula: wherein p is any integer, q is any integer, Z1 and Z2 are each fluorine or any functional group, and R1, R2, R3 are each fluorine, any alkyl group, or any functional group, and wherein R1, R2, R3, Z1, and Z2 are not all fluorine and the fluorosurfactant lowers the surface tension of the ink vehicle. A method for improving a property of an ink is also disclosed.
Claims15
An ink, including:
- an ink vehicle;
- a colorant;
- and
- a fluorosurfactant, wherein the fluorosurfactant is a polymer having the general formula:
- wherein p is an integer, q is an integer, Z1 and Z2 are each fluorine or any functional group, and R1, R2, R3 are each fluorine, any functional group or any alkyl group and wherein R1, R2, R3, Z1, and Z2 are not all fluorine and the fluorosurfactant lowers the surface tension of the ink vehicle.
2 more elements
Dependencies are inferred from the claim text.