The electroconductive inkjet ink disclosed herein contains at least inorganic powder containing high melting point metal particles, a dispersant, an organic solvent, and a poly(vinyl acetal) resin. In the electroconductive ink, the inorganic powder has an average primary particle diameter of 500 nm or less, a volume ratio of the inorganic powder is 7.5% by volume or lower, the ratio (S.sub.I/V.sub.D) of the specific surface area of the inorganic powder with respect to the volume of the dispersant is 0.25 or higher and 10 or lower, the poly(vinyl acetal) resin has an average molecular weight of 2.5×10.sup.4 or larger and 6.4×10.sup.4 or smaller, and the ratio (W.sub.PA/W.sub.S) of the weight of the poly(vinyl acetal) resin with respect to the weight of the organic solvent is 0.5% by weight or higher and 3% by weight or lower.

The present invention provides a silver coating composition that develops excellent conductivity (low resistance value) by low-temperature and short-time calcining, and that is excellent in fine-line drawing performance and suitable for intaglio offset printing. A silver particle coating composition comprising: silver nano-particles (N) whose surfaces are coated with a protective agent containing an aliphatic hydrocarbon amine; a surface energy modifier; and a dispersion solvent. The surface energy modifier may be selected from the group consisting of a silicon-based surface energy modifier and an acrylic surface energy modifier. The coating composition preferably further comprises silver microparticles (M). The silver coating composition is suitable for intaglio offset printing.

The present invention provides a silver coating composition that develops excellent conductivity (low resistance value) by low-temperature and short-time calcining, and that is excellent in fine-line drawing performance and suitable for intaglio offset printing. A silver particle coating composition comprising: silver nano-particles (N) whose surfaces are coated with a protective agent containing an aliphatic hydrocarbon amine; a surface energy modifier; and a dispersion solvent. The surface energy modifier may be selected from the group consisting of a silicon-based surface energy modifier and an acrylic surface energy modifier. The coating composition preferably further comprises silver microparticles (M). The silver coating composition is suitable for intaglio offset printing.

Described herein is an electrostatic ink composition comprising a liquid carrier; and chargeable particles comprising a co-polymer of an alkylene monomer and an acrylic acid monomer, and a pearlescent, non-metallic pigment, wherein the chargeable particles are dispersed in the liquid carrier. Also described herein are a method of electrophotographic printing and a print substrate.

Described herein is an electrostatic ink composition comprising a liquid carrier; and chargeable particles comprising a co-polymer of an alkylene monomer and an acrylic acid monomer, and a pearlescent, non-metallic pigment, wherein the chargeable particles are dispersed in the liquid carrier. Also described herein are a method of electrophotographic printing and a print substrate.

The invention relates to an aqueous coagulatable polymer dispersion comprising at least one polymer which is dispersed in an aqueous phase, thermoplastic micro-spheres which contain a propellant, and at least one additional component which is selected from the group consisting of polyols, polyamines, and thermoplastic polymers. The invention further relates to a coagulate which can be obtained by the thermal and/or mechanical and/or ultrasonically-initiated coagulation of the aqueous polymer dispersion according to the invention, to an adhesive comprising or consisting of the coagulate, to a substrate which is completely or partly coated with said coagulate, to a method for producing such a coated substrate, and to coated substrates which can be obtained using said method. The coagulate can be used as an adhesive or as a binder in 3D-printing methods.

There are provided an aqueous pigment dispersion containing a pigment, hydrophilic fumed silica, and an aqueous medium; an ink jet recording ink containing such an aqueous pigment dispersion; and a printed article using the aqueous pigment dispersion. The average particle size of the hydrophilic fumed silica is preferably not more than 250 nm. The amount of the hydrophilic fumed silica is preferably in the range of 20 to 300 mass % relative to the amount of the pigment. The amount of the pigment is preferably in the range of 0.5 to 30 mass % relative to the amount of the whole aqueous pigment dispersion.

The present disclosure discloses a liquid electrophotographic ink. The ink includes a liquid vehicle, an ethylene acid copolymer, and an ethylene/(meth)acrylic acid C1-10 alkyl ester copolymer. Also disclosed is a method for the manufacture that ink and a method for performing a liquid electrophotographic process by printing a substrate with the ink.

The present disclosure discloses a liquid electrophotographic ink. The ink includes a liquid vehicle, an ethylene acid copolymer, and an ethylene/(meth)acrylic acid C1-10 alkyl ester copolymer. Also disclosed is a method for the manufacture that ink and a method for performing a liquid electrophotographic process by printing a substrate with the ink.

A printed gas sensor is disclosed. The sensor may include a partially porous substrate, an electrode layer, an electrolyte layer, and an encapsulation layer. The electrode layer comprises one or more electrodes that are formed on one side of the porous substrate. The electrolyte layer is in electrolytic contact with the one or more electrodes. The encapsulation layer encapsulates the electrode layer and electrolyte layer thereby forming an integrated structure with the partially porous substrate.