A liquid developer containing: a toner containing a binder resin; a carrier liquid; and a basic toner dispersing agent, wherein the binder resin contains a polylactic acid, the polylactic acid has an acid value of at least 5 mg KOH/g, and a content of the polylactic acid in the binder resin is at least 50 mass %.

A liquid developer that can show excellent adhesiveness with respect to plastic film media even if a base layer is not formed, the liquid developer includes a toner particle and a carrier liquid, where the toner particle contains a resin including a monomer unit (1) represented by the formula (1).

A liquid developer contains toner particles containing a binder resin and a colorant, a liquid carrier, a toner-particle dispersant, and a compound represented by formula (1). The liquid carrier contains at least one selected from the group consisting of liquid aliphatic hydrocarbons and liquid polysiloxanes. The toner-particle dispersant is an amine-based dispersant.

Herein is described a method of providing a printed label. The method comprises: providing a printed label substrate having disposed thereon an electrostatically printed ink; applying a radiation curable overcoat composition to the printed ink, wherein the radiation curable overcoat composition comprises: radiation curable monomers and/or oligomers; a photoinitiator; and an organosilane having at least one hydrolysable group. Printed labels and an ink and overcoat set are also described herein.

A liquid developer comprising: a toner particle containing binder resin; a carrier liquid; and a basic toner particle dispersing agent, wherein the basic toner particle dispersing agent is a primary amine, an acid value of the binder resin is at least 10 mg KOH/g, an acid value of a component having a molecular weight of not more than 2,000 contained in the binder resin is not more than 5 mg KOH/g, and a hydroxyl value of the component having a molecular weight of not more than 2,000 contained in the binder resin is not more than 10 mg KOH/g.

This disclosure relates to an electrophotographic composition including a thermoplastic polymer, a charge adjuvant, a liquid carrier, and at least one microcapsule including at least one additive encapsulated within a shell, wherein the shell of the microcapsule includes a material having a melting temperature of at least 50 degrees C.

Described herein is a printed product and a process for preparing a printed product. The process may comprise providing a printed substrate comprising an electrostatic ink layer on a surface of a substrate, the electrostatic ink layer comprising a first thermoplastic resin and a pigment; and electrostatically printing an electrostatic overcoat composition onto the printed substrate, the electrostatic overcoat composition comprising a second thermoplastic resin and a wax. Also described herein is an electrostatic overcoat composition, as well as an ink set comprising an electrostatic ink composition and an electrostatic overcoat composition.

A liquid developer containing a resin binder, a colorant, a dispersant, and an insulating liquid, wherein the resin binder contains a resin having an acidic group, and wherein the dispersant contains a dispersant X having at least one basic nitrogen-containing group selected from the group consisting of an amino group, an imino group, a cyano group, an azo group, a diazo group, and an azide group, and wherein a melting point of the dispersant X is 34 C. or higher; and a method for printing a fused image using the liquid developer. The liquid developer of the present invention is suitably used in development or the like of latent images formed in, for example, electrophotography, electrostatic recording method, electrostatic printing method or the like.

The present disclosure relates to an electrophotographic active ink composition comprising a thermoplastic polymer comprising a copolymer of an olefin and acrylic acid and/or metacrylic acid; active photovoltaic material comprising electron donor material and electron acceptor material; a charge adjuvant, and a liquid carrier.

Some embodiments relate to an electrophoretic ink including particles that may have a negative charge, dispersed in a non-polar organic solvent. The ink includes a trialkylamine charge-control agent, selected from the following charge-control agents: tributylamine, triisobutylamine, tripentylamine, trihexylamine, tri(2-ethylhexyl)amine, trioctylamine, triisooctylamine, tridodecylamine, triisododecylamine. The particles have a hydrophobic surface and an isoelectric point (IEP) or a point of zero charge (PZC) that is lower than the pKa of the charge-control agent.