Claims
- 1. An imaging process which comprises the development of an image with an ink composition comprised of water, colorant, and colored resin emulsion particles generated from olefinic monomers, wherein at least one of said olefinic monomers contains a colorant, wherein the olefinic colorant component is prepared from the condensation reaction of a functional colorant with an olefinic containing reactive material, and which reaction generates wherein Dye represents a colorant chromophore, and R is a carbonyl, carboxylate, oxygen, or arylene, and R′ is hydrogen or alkyl, and which image is optionally fixed on a substrate.
- 2. A high resolution printing process comprising applying in imagewise fashion to a substrate in a printer having at least one nozzle of a channel width or diameter ranging from about 10 to about 40 microns an aqueous ink jet ink composition comprised of water, colorant, and colored resin emulsion particles generated from olefinic monomers, wherein at least one of said olefinic monomers contains a colorant, wherein the olefinic colorant component is prepared from the condensation reaction of a functional colorant with an olefinic containing reactive material, and which reaction generates wherein Dye represents a colorant chromophore, and R is a carbonyl, carboxylate, oxyqen, or arylene, and R′ is hydrogen or alkyl, and which image is fixed on a substrate.
- 3. A process in accordance with claim 1 wherein the substrate is paper and paper curl is minimized or eliminated, or wherein the substrate is paper, image smearing is minimized or eliminated, and the optical density of the developed images is at least 1.25.
- 4. A process in accordance with claim 2 wherein the colorant is black, cyan, yellow, magenta, red, blue, green, orange, brown, or mixtures thereof.
- 5. A process in accordance with claim 2 wherein the colorant is a dye chemically bound to a polymer resin emulsion generated by the emulsion polymerization of an olefinic dye monomer with at least one unsaturated monomer.
- 6. A process in accordance with claim 5 wherein said unsaturated monomer is methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, propyl acrylate, propyl methacrylate, butyl acrylate, butyl methacrylate, hexyl acrylate, hexyl methacrylate, pentyl acrylate, pentyl methacrylate, heptyl acrylate, heptyl methacrylate, octyl acrylate, octyl methacrylate, nonyl acrylate, nonyl methacrylate, decylacrylate, decylmethacrylate, lauryl acrylate, lauryl methacrylate, stearyl acrylate, stearyl methacrylate, dodecyl acrylate, or dodecyl methacrylate, polyethylene glycol methacrylate, and which monomer is selected in an effective amount of from about 20 to about 90 weight percent of the resin emulsion, and preferably of from about 20 to about 60 weight percent of the resin emulsion.
- 7. A process in accordance with claim 6 wherein the unsaturated monomer is methacrylic acid, benzyl methacrylate, or polyethyleneglycol (meth)acrylate.
- 8. A process in accordance with claim 6 wherein the olefinic dye monomer is represented by the formulaY—R—CHR′=CH2 wherein Y is NCO, Cl, or Br; R is CO or an aromatic group of phenylene, and R′ is H or CH3.
- 9. A process in accordance with claim 8 wherein the olefinic dye molecule is obtained from the condensation of a functional dye and a reactive unsaturated component.
- 10. A process in accordance with claim 9 wherein the functional dye is of the formulasA—(Y—OH)p (I) where A is an organic chromophore, Y is a straight chain or branched polyoxyalkylene substituent with from about 1 to about 200 carbons, and p is from about 1 to 4 and represents the number of chains per chromophore bonded to the polyoxyalkylene substituent by a linking group of N, NR3, O, S, SO2, SO2N, SO2NR3, CO2, CON, CONR3, where R is H, C1 to C12 alkyl, phenyl or benzyl; orA—(Y—X—C(O)—R1—C(O)OH)p (II) where A is an organic chromophore, Y is a polyalkylene substituent with from about 1 to about 100 carbon atoms, p is an integer of from about 1 to 4; X is a nucleophile of O, NR2, or S wherein R2 is H or a C1 to C18 alkyl; R1 is alkylene, alkenylene, phenylene, and phenylenealkylene, any of which may be optionally substituted with alkyl, alkenyl or aryl groups, provided that the total number of carbon atoms is from about 2 to 30.
- 11. A process in accordance with claim 9 wherein the reactive unsaturated component is acryloxy chloride, acryloxy bromide, acryloxy iodide, methacryloxy chloride, methacryloxy bromide, 4-isocyanato-1-isopropenylbenzene, or isocyanato-isopropenyl.
- 12. A process in accordance with claim 2 wherein said resin emulsion possesses an Mw of from about 5,000 grams per mole to about 300,000 grams per mole.
- 13. A process in accordance with claim 2 wherein said resin emulsion possesses an Mn of from about 2,000 grams per mole to about 150,000 grams per mole.
- 14. A process in accordance with claim 2 further containing ink additives.
- 15. A process in accordance with claim 2 wherein said colorant is present in an amount of from about 4 to about 10 percent by weight of said ink composition.
- 16. A process in accordance with claim 2 wherein said colorant is a pigment of carbon black, cyan, magenta, yellow, or mixtures thereof.
- 17. A process in accordance with claim 2 with an ink latency of from about 20 to about 60 seconds; a smear ratio value of from about 0 to about 0.06, and an optical density for the images developed with said ink of from about 1.2 to about 1.6.
- 18. A process in accordance with claim 2 wherein said ink further contains biocides and humectants.
- 19. A process in accordance with claim 18 wherein the biocides and humectants are each present in an amount of from about 0.01 to about 50 weight percent.
Parent Case Info
This application is a divisional of application Ser. No. 08/903,700, filed Jul. 31, 1997 now U.S. Pat. No. 6,251,987.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
6156384 |
Hutter et al. |
Feb 2000 |
|