Neutralized multi-amine dispersant compositions

A method of producing a pigment dispersion comprising a step of combining, in any order, a pigment, a polymeric dispersant for the pigment, and a functionalized acid component, and an optional step of milling the pigment, wherein:

• a. the polymeric dispersant comprises:
• i. an average of at least two polyether pendant groups per molecule, wherein the at least two polyether pendant groups are made up of monomeric units, wherein at least half of the monomeric units are poly(ethylene oxide) monomeric units and/or poly(propylene oxide) monomeric units, and wherein the at least two polyether pendant groups make up at least 50 weight percent of the polymeric dispersant, based on the total weight of the polymeric dispersant;
• ii. and an average of at least two amine groups per molecule, wherein the at least two amine groups are not present in the at least two polyether pendant groups;
• b. the functionalized acid component comprises sulfonic acid and/or phosphoric acid functionalized with at least one of an aromatic functional group or a fatty functional group;
• c. at least 60 percent of the amine groups present in the polymeric dispersant are each individually neutralized with a molecule of the functionalized acid component;
• and
• d. the optional step of milling the pigment:
• i. is not performed;
• ii. is performed on the pigment alone prior to addition of the polymeric dispersant and/or the functionalized acid component;
• or
• iii. is performed on a combination of the pigment and the polymeric dispersant and/or the functionalized acid component.