A method for producing a cyan liquid electrophotographic ink composition includes: dispersing in a first portion of carrier fluid cyan pigment particles and inorganic spacer particles, the inorganic spacer particles having a particle size (d50) of 0.1 μm or less, such that the inorganic spacer particles adhere to the cyan pigment particles; heating a polymer resin in a second portion of carrier fluid to dissolve the polymer resin; adding the dispersion of the cyan pigment particles having the inorganic spacer particles adhered thereto in the first portion of carrier fluid to the dissolved polymer resin in the second portion of carrier fluid; cooling the carrier fluid at a controlled rate to effect precipitation of the polymer resin from the carrier fluid such that a coating of the resin is formed on the cyan pigment particles having the inorganic spacer particles adhered thereto, thereby producing the cyan liquid electrophotographic ink composition.

The present disclosure relates to an electrophotographic printing method comprising electrophotographically printing a liquid electrophotographic composition onto a substrate. The liquid electrophotographic composition comprises a charge adjuvant and a copolymer of a) ethylene and b) methacrylic acid and/or acrylic acid, wherein 80 to 95 weight % of the units of said copolymer are derived from ethylene. The printed substrate is then subjected to electron beam (EB) radiation.

A method of producing a material with a perovskite structure on a substrate by liquid electrophotographic printing comprises: either liquid electrophotographically printing onto the substrate a composition comprising a dispersion of a salt AX and a thermoplastic resin in a carrier liquid; liquid electrophotographically printing onto the substrate a composition comprising a dispersion of a salt selected from BX2 and BX4 and a thermoplastic resin in a carrier liquid; and heat treating the printed compositions to form the material with a perovskite structure; or liquid electrophotographically printing onto the substrate a composition comprising a dispersion of a material with a perovskite structure and a thermoplastic resin in a carrier liquid to form the material with a perovskite structure; wherein A is a cation, B is a cation and X is an anion; wherein the thermoplastic resin comprises a copolymer of an alkylene monomer and a monomer having acidic side groups.

A method of producing a material with a perovskite structure on a substrate by liquid electrophotographic printing comprises: either liquid electrophotographically printing onto the substrate a composition comprising a dispersion of a salt AX and a thermoplastic resin in a carrier liquid; liquid electrophotographically printing onto the substrate a composition comprising a dispersion of a salt selected from BX2 and BX4 and a thermoplastic resin in a carrier liquid; and heat treating the printed compositions to form the material with a perovskite structure; or liquid electrophotographically printing onto the substrate a composition comprising a dispersion of a material with a perovskite structure and a thermoplastic resin in a carrier liquid to form the material with a perovskite structure; wherein A is a cation, B is a cation and X is an anion; wherein the thermoplastic resin comprises a copolymer of an alkylene monomer and a monomer having acidic side groups.

An electrostatic printing method for forming a structured image on a print substrate, the method comprising: providing an electrostatic ink composition; contacting the electrostatic ink composition with a latent electrostatic image on a photoconductive surface to create a developed toner image; transferring the developed toner image to an embossed intermediate transfer member to create a structured toner image; and; transferring the structured toner image to a print substrate. The embossed intermediate transfer may comprise a substrate layer, at least part of which is compressible and comprises an electrically conductive species; and; an outer release layer disposed on the substrate layer, the outer release layer comprising a structured surface. Methods of making the embossed intermediate transfer member are also described herein.

An electrostatic printing method for forming a structured image on a print substrate, the method comprising: providing an electrostatic ink composition; contacting the electrostatic ink composition with a latent electrostatic image on a photoconductive surface to create a developed toner image; transferring the developed toner image to an embossed intermediate transfer member to create a structured toner image; and; transferring the structured toner image to a print substrate. The embossed intermediate transfer may comprise a substrate layer, at least part of which is compressible and comprises an electrically conductive species; and; an outer release layer disposed on the substrate layer, the outer release layer comprising a structured surface. Methods of making the embossed intermediate transfer member are also described herein.

In one aspect, the present disclosure relates to a liquid electrophotographic electrode ink composition comprising: a thermoplastic polymer comprising a copolymer of an olefin and acrylic acid and/or methacrylic acid; an electroactive material comprising a lithium intercalation material; a charge adjuvant, and a liquid carrier.

In one aspect, the present disclosure relates to a liquid electrophotographic electrode ink composition comprising: a thermoplastic polymer comprising a copolymer of an olefin and acrylic acid and/or methacrylic acid; an electroactive material comprising a lithium intercalation material; a charge adjuvant, and a liquid carrier.

Described herein is magenta ink composition, comprising a pigment consisting of one or more quinacridone pigments; a resin; and a polymeric amine dispersant having a Total Base Number of at least 300 mg KOH/gram. Also described herein is a method of printing comprising applying the magenta ink composition to a substrate, and a printed substrate comprising the magenta ink composition.

A binder resin of toner particles in a liquid developer contains a resin having a monomer unit derived from at least one polymerizable monomer selected from the group consisting of (meth)acrylates with an alkyl group having 18 to 36 carbon atoms, and the binder resin has an SP value higher by 1.5 (J/cm.sup.3).sup.0.5 or more than the SP value of a carrier liquid.