Electrostatic ink composition
AssigneeHP Indigo B.V.
InventorsAlbert Teishev, Hanit Marom Tchaicheeyan, Igor Shutyi
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Abstract
Described herein is a liquid electrostatic ink composition. The composition may comprise: a. a carrier liquid; and b. chargeable particles suspended in the carrier liquid, wherein the chargeable particles comprise a thermoplastic resin formed from the reaction of a first resin and a second resin, wherein i. the first resin comprises a polymer having acidic side groups; and ii. the second resin comprises an epoxy resin component and an elastomeric component, wherein the epoxy resin component has one or more epoxide groups per molecule.
Claims20
A liquid electrostatic ink composition comprising:
- a. a carrier liquid;
- and
- b. chargeable particles suspended in the carrier liquid, wherein the chargeable particles comprise a thermoplastic resin formed from the reaction of a first resin and a second resin, wherein
- i. the first resin comprises a polymer having acidic side groups;
- and
- ii. the second resin comprises an epoxy resin component and an elastomeric component, wherein the epoxy resin component has one or more epoxide groups per molecule.
A method for producing a liquid electrostatic ink composition, the method comprising:
- suspending in a carrier liquid chargeable particles comprising a thermoplastic resin formed from the reaction of a first resin and a second resin, wherein
- the first resin comprises a polymer having acidic side groups;
- and
- the second resin comprises an epoxy resin component and an elastomeric component, wherein the epoxy resin component has one or more epoxide groups per molecule.
A method of producing a printed article, the method comprising applying an electrostatic ink composition to a substrate with a liquid electrostatic printer, wherein the electrostatic ink composition comprises
- a thermoplastic resin formed from the reaction of a first resin and a second resin, wherein
- i. the first resin comprises a polymer having acidic side groups;
- and
- ii. the second resin comprises an epoxy resin component and an elastomeric component, wherein the epoxy resin has one or more epoxide groups per molecule.
Dependencies are inferred from the claim text.