Phase change inks
First Claim
1. An ink composition comprising (a) an ink vehicle comprising a first nitrile compound having a first viscosity at a melt temperature, said melt temperature being at least about 60°
- C. and said melt temperature being no more than about 150°
C., (b) a viscosity modifier comprising a second nitrile compound having a second viscosity at the melt temperature, said second viscosity being lower than said first viscosity, (c) a colorant, (d) an optional polymer comprising a polyester extended with a diisocyanato alkane, (e) an optional conductivity enhancing agent, (f) an optional antioxidant, and (g) an optional UV absorber.
6 Assignments
0 Petitions
Accused Products
Abstract
Disclosed is an ink composition comprising (a) an ink vehicle comprising a first nitrile compound having a first viscosity at a melt temperature, said melt temperature being at least about 60° C. and said melt temperature being no more than about 150° C., (b) a viscosity modifier comprising a second nitrile compound having a second viscosity at the melt temperature, said second viscosity being lower than said first viscosity, (c) a colorant, (d) an optional polymer comprising a polyester extended with a diisocyanato alkane, (e) an optional conductivity enhancing agent, (f) an optional antioxidant, and (g) an optional UV absorber.
28 Citations
20 Claims
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1. An ink composition comprising (a) an ink vehicle comprising a first nitrile compound having a first viscosity at a melt temperature, said melt temperature being at least about 60°
- C. and said melt temperature being no more than about 150°
C., (b) a viscosity modifier comprising a second nitrile compound having a second viscosity at the melt temperature, said second viscosity being lower than said first viscosity, (c) a colorant, (d) an optional polymer comprising a polyester extended with a diisocyanato alkane, (e) an optional conductivity enhancing agent, (f) an optional antioxidant, and (g) an optional UV absorber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
- C. and said melt temperature being no more than about 150°
Specification