An aqueous polymeric particle dispersion, the particle comprises a polymer and a Si—O-containing moiety, the Si—O-containing moiety is part of a compound, the compound forming a solid mixture with the polymer. The resin particles can be incorporated in aqueous printing liquids such as aqueous inkjet inks.

Described herein are opaque water-based inks that include water and an opacity-providing polymer component. In one aspect, the opacity providing polymer component is a hollow sphere polymer material. The opacity-providing polymer material may replace all or part of white opacifying pigment material, such as titanium dioxide. Also described herein is a method of opacifying a printing ink by adding hollow sphere resin particles and a colorant to a printing ink that comprises water as a volatile component.

The present disclosure provides an ink vehicle composition comprising a crosslinker compound of formula (I); a hydroxy functional polymer; and a nonvolatile diluent, wherein the composition is essentially free of butanol. Also provided are thermoset heat-curable inks including the ink vehicle composition and a method of printing onto a surface of a substrate by applying the thermoset heat-curable ink. The ink vehicle composition and the thermoset heat-curable ink herein may be stable for about 6 to about 24 months at room temperature.

The present disclosure provides an ink vehicle composition comprising a crosslinker compound of formula (I); a hydroxy functional polymer; and a nonvolatile diluent, wherein the composition is essentially free of butanol. Also provided are thermoset heat-curable inks including the ink vehicle composition and a method of printing onto a surface of a substrate by applying the thermoset heat-curable ink. The ink vehicle composition and the thermoset heat-curable ink herein may be stable for about 6 to about 24 months at room temperature.

The present invention relates to a formulation containing at least one organic functional material and a mixture of three different organic solvents, a first organic solvent A, a second organic solvent B and a third organic solvent C, characterized in that the first organic solvent A has a boiling point in the range from 250 to 350° C. and a viscosity of ≥10 mPas, the second organic solvent B has a boiling point in the range from 200 to 350° C. and a viscosity in the range from 2 to 5 mPas and the third organic solvent C has a boiling point in the range from 100 to 300° C. and a viscosity of ≤3 mPas, the solubility of the at least one organic functional material in the second organic solvent B is ≥5 g/l, and the boiling point of the first organic solvent A is at least 10° C. higher than the boiling point of the second organic solvent B, to the use of this formulation for the preparation of electronic devices as well as to electronic devices prepared by using these formulations.

A water-based ink for inkjet recording, includes: a pigment; water; and an acidic preservative. The pigment is preferably a self-dispersing pigment. The acidic preservative preferably includes at least one selected from the group consisting of a polyvalent unsaturated fatty acid, a polyvalent unsaturated fatty acid salt, dehydroacetic acid, and a dehydroacetate. A content of the acidic preservative in the water-based ink is preferably 0.5% by mass to 5.0% by mass relative to a total mass of the water-based ink. The water-based ink preferably further includes a surfactant. The water-based ink preferably further includes a penetrant which includes at least one selected from the group consisting of 1,2-hexanediol, 3-methyl-1,5-pentanediol, and triethylene glycol-n-butyl ether (BTG).

A water-based ink for inkjet recording, includes: a pigment; water; and an acidic preservative. The pigment is preferably a self-dispersing pigment. The acidic preservative preferably includes at least one selected from the group consisting of a polyvalent unsaturated fatty acid, a polyvalent unsaturated fatty acid salt, dehydroacetic acid, and a dehydroacetate. A content of the acidic preservative in the water-based ink is preferably 0.5% by mass to 5.0% by mass relative to a total mass of the water-based ink. The water-based ink preferably further includes a surfactant. The water-based ink preferably further includes a penetrant which includes at least one selected from the group consisting of 1,2-hexanediol, 3-methyl-1,5-pentanediol, and triethylene glycol-n-butyl ether (BTG).

Provided herein are conductive inks and methods of formulation thereof, whose electric and mechanical properties (e.g. viscosity and surface tension) enable its use in a wide array of printing techniques. The outstanding conductivity, thermal stability, chemical stability, and flexibility of graphene in the inks herein enable the production of low-cost electronics with tunable electrochemical properties

Provided herein are conductive inks and methods of formulation thereof, whose electric and mechanical properties (e.g. viscosity and surface tension) enable its use in a wide array of printing techniques. The outstanding conductivity, thermal stability, chemical stability, and flexibility of graphene in the inks herein enable the production of low-cost electronics with tunable electrochemical properties

A functional ink suitable for 3D printing and a preparation method thereof are provided. The ink includes the following components in parts by weight: 0.5-1.5 parts of a regulator, 1-5 parts of a conductive material, 0.1-0.5 parts of a crosslinking agent, 0.1-0.5 parts of a catalyst, and 10-80 parts of a solvent. The prepared functional ink has a self-healing function at room temperature, eliminating the interface resistance between printing layers and improving the mechanical strength between the layers. Moreover, the prepared functional ink has excellent electrical conductivity and a variety of electrical, magnetic, and electrochemical properties, and can be applied in the fields of functional materials and devices such as energy storage, electromagnetic shielding and stress sensing.