Inkjet ink composition and ink/receiver combination

• US 7,381,755 B2
• Filed: 09/27/2002
• Issued: 06/03/2008
• Est. Priority Date: 09/27/2002
• Status: Expired due to Term

• Current Assignee: Eastman Kodak Company
• Original Assignee: Eastman Kodak Company
• Inventors: Frazier, Ricky G., Wang, Xiaoru, Wang, Jin-Shan, Chen, Huijuan D.
• Primary Examiner(s): Lipman; Bernard
• Application Number:
  US10/256,989
• Publication Number:
  US 20040063807A1
• Time in Patent Office: 2,076 Days
• Field of Search: 523/160, 523/161, 106/31.6, 524/544, 524/551, 524/567, 524/568
• US Class Current: 523/160
• CPC Class Codes: C09D 11/30 Inkjet printing inks
• CPC Class Codes: C09D 11/322 Pigment inks

Abstract

An aqueous ink jet ink composition including a pigment, a polymer latex containing at least one halogenated vinyl monomer, at least one surfactant, and a humectant. An ink and receiver combination for a non-absorbing substrate is also disclosed.

Claims

1. An aqueous ink jet ink composition comprising:

(a) a pigment that is encapsulated or is stabilized with a dispersant;

(b) a single polymer latex as binder, wherein said polymer is a copolymer comprised of less than 20 mole % hydrophilic monomer units and at least about 45 mole percent vinylidene chloride monomer, based on the total monomer in the polymer, said polymer having a Tg of 5 to 100°

C.;

(c) a humectant; and

(d) at least one surfactant.

2. The ink composition of claim 1 wherein the weight ratio of the pigment to the polymer is 1:

20 to 20;

1.

3. The ink composition of claim 1 wherein the weight ratio of the pigment to the polymer is 1:

5 to 2;

1.

4. The ink composition of claim 1 wherein said pigment has a particle size of less than 0.5 micron.

5. The ink composition of claim 1 wherein said pigment comprises up to 10% by weight of the ink composition.

6. The composition of claim 1 wherein said polymer latex has a Tg of 10 to 80°

C.

7. The composition of claim 1 wherein said polymer latex has an average particle size of less than 2 micron.

8. The composition of claim 1 wherein the polymer latex has an average particle size of less than 0.5 micron.

9. The composition of claim 1 wherein said polymer latex comprises less than 5 mole % hydrophilic monomer units based on the total monomer units in the polymer latex.

10. The composition of claim 1 wherein said polymer latex comprises only hydrophobic monomer units in the polymer latex.

11. The composition of claim 1 wherein said polymer latex comprises hydrophilic monomer unit selected from the group consisting of acrylic acid, methacrylic acid, chloromethacrylic acid, maleic acid, allylamine, N,N-diethylallylamine, vinyl sulfonamide, sodium acrylate, sodium methacrylate, ammonium acrylate, ammonium methacrylate, acrylamidopropane-triethylammonium chloride, methacrylamidopropane-triethylammonium chloride, vinyl-pyridine hydrochloride, sodium vinyl phosphonate and sodium 1-methylvinylphosphonate, sodium vinyl sulfonate, sodium 1-methylvinyl-sulfonate and sodium styrenesulfonate, ethyoxytriethylene glycol methacrylate, methoxypolyethylene oxide methacrylate, methoxypropylene oxide acrylate, polyethyleneoxide methacrylate, polyethylenoxide acrylate and N-vinyl pyrrolidone.

12. The composition of claim 1 wherein the polymer further comprises at least one additional ethylenically-unsaturated monomer capable of addition polymerization that is selected from the group consisting of methyl methacrylate, ethyl methacrylate, butyl methacrylate, ethyl acrylate, butyl acrylate, hexyl acrylate, n-octyl acrylate, lauryl methacrylate, 2-ethylhexyl methacrylate, nonyl acrylate, benzyl methacrylate, 2-hydroxypropyl methacrylate, acrylonitrile, methacrylonitrile, vinyl acetate, vinyl propionate, vinylidene chloride, vinyl chloride, styrene, t-butyl styrene, vinyl toluene, butadiene, isoprene, N,N-dimethyl acrylamide, acrylic acid, methacrylic acid, chloromethacrylic acid, maleic acid, allylamine, N,N-diethylallylamine, vinyl sulfonamide, sodium acrylate, sodium methacrylate, ammonium acrylate, ammonium methacrylate, acrylamidopropane-triethylammonium chloride, methacrylamidopropane-triethylammonium chloride, vinyl-pyridine hydrochloride, sodium vinyl phosphonate and sodium 1-methylvinylphosphonate, sodium vinyl sulfonate, sodium 1-methylvinyl-sulfonate and sodium styrenesulfonate.

13. The composition of claim 1, wherein the ink jet ink composition further comprises a silicon surfactant or fluorinated surfactant.