The present invention relates to an aqueous gravure ink containing pigment particles A, polymer particles B and water, the aqueous gravure ink being capable of satisfying at least one of the following requirements 1 and 2: Requirement 1: an average particle size of whole particles in the aqueous gravure ink is not less than 150 nm and not more than 500 nm, and a polydispersity index in a particle size distribution of the whole particles is not less than 0.10 and not more than 0.30; and Requirement 2: an average particle size of the pigment particles A is not less than 140 nm and not more than 550 nm, and a polydispersity index in a particle size distribution of the pigment particles A is not less than 0.08 and not more than 0.32, and an average particle size of the polymer particles B is not less than 30 nm and not more than 220 nm, and a polydispersity index in a particle size distribution of the polymer particles B is not less than 0.08 and not more than 0.32. The aqueous gravure ink of the present invention is excellent in storage stability and is capable of providing a printed material that is excellent in rub fastness and adhesion properties.

Described herein is an inkjet ink composition for printing conductive traces. The inkjet ink composition comprises: polymer-capped metal nanoparticles; a first hydroxy compound, which is a monohydroxyl-substituted hydrocarbon comprising 1 to 6 carbon atoms; a second hydroxy compound, which is selected from a polyol, a monohydric ether and mixtures thereof; and water; wherein the weight ratio of water to first hydroxyl compound is in the range of 1:0.5 to 1:1.5; and wherein the weight ratio of water to second hydroxy compound is in the range of 1:0.5 to 1:1.5. Also described herein are a method of producing the inkjet ink composition and a method of printing conductive traces.

Described herein is an inkjet ink composition for printing conductive traces. The inkjet ink composition comprises: polymer-capped metal nanoparticles; a first hydroxy compound, which is a monohydroxyl-substituted hydrocarbon comprising 1 to 6 carbon atoms; a second hydroxy compound, which is selected from a polyol, a monohydric ether and mixtures thereof; and water; wherein the weight ratio of water to first hydroxyl compound is in the range of 1:0.5 to 1:1.5; and wherein the weight ratio of water to second hydroxy compound is in the range of 1:0.5 to 1:1.5. Also described herein are a method of producing the inkjet ink composition and a method of printing conductive traces.

Cyclic olefin copolymer (COC) is useful as a build material for 3D printing, especially desktop 3D printing.

The present invention relates to a novel plastisol composition that cures at a temperature much lower than conventional plastisols. Also disclosed is a method of applying the composition.

The present invention relates to a novel plastisol composition that cures at a temperature much lower than conventional plastisols. Also disclosed is a method of applying the composition.

A printing head module, system and method for printing laser light sources. The printing head module comprises one or more printing heads used for printing a plurality of laser light sources on a substrate successively or once for all; ink used for printing comprises a luminescent dye and a host material, as well as a solvent. The system comprises a printing head module and an ink cartridge; the printing head module is used for inkjet printing the laser light sources on the substrate; the ink cartridge is used for storing ink. By means of the technical solution, industrial manufacturing of the laser light sources is achieved, and speckles caused by laser coherence are eliminated.

In one aspect, inks for use with a three-dimensional (3D) printing system are described herein. In some embodiments, an ink described herein comprises 10-70 wt. % cyclopolymerizable monomer, based on the total weight of the ink. The cyclopolymerizable monomer comprises a first ethenyl or ethynyl moiety and a second ethenyl or ethynyl moiety. Additionally, the α-carbon of the first ethenyl or ethynyl moiety and the α-carbon of the second ethenyl or ethynyl moiety have a 1,5-, 1,6-, 1,7-, or 1,8-relationship.

In one aspect, inks for use with a three-dimensional (3D) printing system are described herein. In some embodiments, an ink described herein comprises 10-70 wt. % cyclopolymerizable monomer, based on the total weight of the ink. The cyclopolymerizable monomer comprises a first ethenyl or ethynyl moiety and a second ethenyl or ethynyl moiety. Additionally, the α-carbon of the first ethenyl or ethynyl moiety and the α-carbon of the second ethenyl or ethynyl moiety have a 1,5-, 1,6-, 1,7-, or 1,8-relationship.

Ink compositions for inkjet printing are disclosed. The ink compositions comprise a pigment, a binder system, a solvent system, and an epoxy resin. The ink compositions have improved drying time from the time of printing to the time of lamination with an overlaminate film as compared to existing inkjet ink compositions.