The present invention refers to a Method for printing a three-dimensional optical structure (1), wherein the three-dimensional optical structure (1) is built up from layers (L) of printing ink deposited through targeted placement of droplets of printing ink at least partially side by side in consecutive printing steps, wherein in order to at least partially compensate for deviations of a thickness from a nominal thickness of at least one layer (2), possible deviations are determined prior to printing said layer (2) and depositing the printing ink is controlled dependent on the determined possible deviations during printing of said layer (2).

A method for producing a printed textile item, the method including applying a treatment liquid containing an aggregating agent to a fabric using an inkjet method, applying a white ink having a charge density of at least 30 μeq/g, using a step of using an inkjet method and a wet-on-wet method, to the fabric to which the treatment liquid has been applied, applying a color ink for which the Young's modulus of the dried coating film is not more than 3.0 MPa, using an inkjet method and a wet-on-wet method, to the fabric to which the white ink has been applied.

A method for producing a printed textile item, the method including applying a treatment liquid containing an aggregating agent to a fabric using an inkjet method, applying a white ink having a charge density of at least 30 μeq/g, using a step of using an inkjet method and a wet-on-wet method, to the fabric to which the treatment liquid has been applied, applying a color ink for which the Young's modulus of the dried coating film is not more than 3.0 MPa, using an inkjet method and a wet-on-wet method, to the fabric to which the white ink has been applied.

The present invention provides novel anionic modified rosin ester resins having a high BRC content, up to 100% BRC. The resins of the present invention are useful as emulsion, dispersion, or solution resins. High BRC content pigment grind vehicles, coatings, and finished inks can be prepared using the resins of the present invention. Advantageously, the finished inks of the present invention have equal to or superior properties compared to current commercially available inks sold as sustainable products, but having little to no BRC content. The present invention represents a significant step towards developing sustainable inks and coatings that are better for the environment.

The present invention provides novel anionic modified rosin ester resins having a high BRC content, up to 100% BRC. The resins of the present invention are useful as emulsion, dispersion, or solution resins. High BRC content pigment grind vehicles, coatings, and finished inks can be prepared using the resins of the present invention. Advantageously, the finished inks of the present invention have equal to or superior properties compared to current commercially available inks sold as sustainable products, but having little to no BRC content. The present invention represents a significant step towards developing sustainable inks and coatings that are better for the environment.

Provided is an ink for use in electronic component production making use of screen printing, which is suitable for actually allowing fine lines with high precision to be drawn in screen printing, and for actually allowing successive screen printing operations to be performed. The ink for screen printing of the present invention includes surface-modified silver nanoparticles (A) and a solvent (B), and has a viscosity at a shear rate of 10 (1/s) and 25° C. of 60 Pa.Math.s or more. The surface-modified silver nanoparticles (A) each include a silver nanoparticle and an amine-containing protective agent coating the silver nanoparticle. The solvent (B) includes at least a terpene solvent. In solvent (B), a content of solvents having a boiling point of less than 130° C. is 20 wt % or less based on the total amount of solvents.

Provided is an ink for use in electronic component production making use of screen printing, which is suitable for actually allowing fine lines with high precision to be drawn in screen printing, and for actually allowing successive screen printing operations to be performed. The ink for screen printing of the present invention includes surface-modified silver nanoparticles (A) and a solvent (B), and has a viscosity at a shear rate of 10 (1/s) and 25° C. of 60 Pa.Math.s or more. The surface-modified silver nanoparticles (A) each include a silver nanoparticle and an amine-containing protective agent coating the silver nanoparticle. The solvent (B) includes at least a terpene solvent. In solvent (B), a content of solvents having a boiling point of less than 130° C. is 20 wt % or less based on the total amount of solvents.

Provided are a method for producing an aqueous inkjet pigment dispersion, including producing a mixed liquid of water, a pigment, a pigment dispersing polymer, and rosin acid in an amount of from 3% by mass to 30% by mass relative to the total mass of the pigment, and reducing the amount of rosin acid included in the produced mixed liquid, to less than 3.0% by mass relative to the total mass of the pigment; an aqueous inkjet pigment dispersion; and an aqueous inkjet ink.

Provided are a method for producing an aqueous inkjet pigment dispersion, including producing a mixed liquid of water, a pigment, a pigment dispersing polymer, and rosin acid in an amount of from 3% by mass to 30% by mass relative to the total mass of the pigment, and reducing the amount of rosin acid included in the produced mixed liquid, to less than 3.0% by mass relative to the total mass of the pigment; an aqueous inkjet pigment dispersion; and an aqueous inkjet ink.

The present disclosure is drawn to non-aqueous ink compositions. The non-aqueous ink compositions can include from 70 wt % to 98 wt % alcohol solvent, from 1 wt % to 6 wt % phenol-formaldehyde resin, from 1 wt % to 5 wt % tackifier, and from 1 wt % to 14 wt % organic solvent-soluble dye. The tackifier can include a shellac having an acid number from 50 KOH/g to 100 mg KOH/g or a tackifier resin having an acid number from 100 mg KOH/g to 300 mg KOH/g.