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US 12,503,615 B2Granted
White aqueous inkjet ink
AssigneeXerox Corporation
InventorsVarun Sambhy, Santokh S. Badesha, Mihaela Maria Birau, Sepehr M. Tehrani, Syed Mohsin Ali
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Abstract
An aqueous inkjet ink composition including water; an optional co-solvent; an optional dispersant; an optional resin; an optional wax; and a BaSO4 pigment; wherein a particle size distribution is defined as Span=(Dn90−Dn10)/(Dn50); and wherein the BaSO4 pigment has a wide particle size distribution wherein the Span is 0.75 or greater.
Claims18
An aqueous inkjet ink composition comprising:
- water;
- an optional co-solvent;
- an optional dispersant;
- resin particles comprising a polymerization product of reactants comprising a monomer, an acidic monomer, a hydrophilic monomer, a multifunctional monomer, and a reactive surfactant, and wherein the resin particles further comprise silica nanoparticles;
- an optional wax;
- and
- a pigment consisting essentially of a BaSO4 pigment;
- wherein a particle size distribution is defined as Span=(Dn90−Dn10)/(Dn50);
- and
- wherein the BaSO4 pigment has a wide particle size distribution and has a Span equal to 0.75 or greater.
7 more elements
Dependencies are inferred from the claim text.