Aqueous pigment dispersions with components to interact with cellulose

1. An aqueous pigment dispersion comprising a pigment, an aqueous carrier and a polymeric dispersant to disperse said pigment; wherein said polymeric dispersant is a random or structured polymer and comprising at least three monomers A, B and C; wherein monomer A is a hydrophobic acrylate monomer, monomer B is a hydrophilic acrylic monomer, and monomer C is an acrylate monomer having a structure of Formula (I):

wherein W is O or NH;

R 1 is C 1 -C 8 alkylene;

R 2 , R 3 , R 4 , R 5 and R 6 are independently H or C 1 -C 5 alkyl,

provided that when W is O, R 1 is other than C 2 H 4 or C 3 H 6 and both of R 2 and R 3 are H or C 1 -C 5 alkyl.

2. The pigment dispersion of claim 1 , wherein said monomer A is selected from the group consisting of benzyl methacrylate, butyl methacrylate, methyl methacrylate, ethyl methacrylate, propyl methacrylate, hexyl methacrylate, 2-ethylhexyl methacrylate, octyl methacrylate, lauryl ethacrylate, stearyl methacrylate, phenyl methacrylate, phenoxyethyl methacrylate, methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, hexyl acrylate, 2-ethylhexyl acrylate, octyl acrylate, lauryl acrylate, stearyl acrylate, benzyl acrylate, phenyl acrylate, phenoxyethyl acrylate and styrene.

3. The pigment dispersion of claim 2 , wherein said monomer B is selected from the group consisting of methacrylic acid, acrylic acid, maleic acid, maleic acid monoester, itaconic acid, itaconic acid monoester, crotonic acid, crotonic acid monoester, N,N-dimethylaminoethyl methacrylate, N,N-diethylaminoethyl methacrylate, N,N-dimethylaminoethyl acrylate, N,N-diethylaminoethyl acrylate, t-butylaminoethyl methacrylate, t-butylaminoethyl acrylate, vinyl pyridine, and 2-acrylamido-2-propane sulfonic acid.

4. The pigment dispersion of claim 3 , wherein W is 0.

5. The pigment dispersion of claim 4 , wherein R 2 and R 3 are H.

6. The pigment dispersion of claim 4 , wherein R 2 and R 3 are C 1 -C 5 alkyl.

7. The pigment dispersion of claim 4 , wherein R 1 is CH 2 .

8. The pigment dispersion of claim 7 , wherein R 2 and R 3 are H.

9. The pigment dispersion of claim 7 , wherein R 2 and R 3 are C 1 -C 5 alkyl.

10. The pigment dispersion of claim 3 , wherein W is NH.

11. The pigment dispersion of claim 10 , wherein R 1 is CH 2 .

12. The pigment dispersion of claim 11 , wherein R 2 and R 3 are H.

13. The pigment dispersion of claim 11 , wherein R 2 and R 3 are C 1 -C 5 alkyl.

14. The pigment dispersion of claim 10 , wherein R 1 is C 2 H 4 .

15. The pigment dispersion of claim 14 , wherein R 2 and R 3 are H.

16. The pigment dispersion of claim 14 , wherein R 2 and R 3 are C 1 -C 5 alkyl.