The present invention provides a water-based ink comprising nanopigment micelles, said nanopigment micelles comprising a pigment particle and a polymeric dispersing agent around said pigment particle, whereby said pigment particles have an average particle size between 100 nm and 250 nm. The invention also relates to a printed textile and a dyeing and printing process using said water-based ink.

The present invention provides a water-based ink comprising nanopigment micelles, said nanopigment micelles comprising a pigment particle and a polymeric dispersing agent around said pigment particle, whereby said pigment particles have an average particle size between 100 nm and 250 nm. The invention also relates to a printed textile and a dyeing and printing process using said water-based ink.

There are provided a coating composition for applying inkjet printing thereto to form a marked preparation, the composition providing good ink affinity, suppression of ink bleed, and excellent gloss; and others. More specifically, there are provided a composition for applying inkjet printing thereto to form a marked preparation, the composition including a water-soluble cellulose ether having a viscosity at 20 C. of from 2 to 50.0 mPa.Math.s, as determined in 2% by mass aqueous solution, polyvinyl alcohol, and a solvent, wherein a mass ratio of the water-soluble cellulose ether to the polyvinyl alcohol is from 99.0:1.0 to 55.0:45.0; a method for producing a preparation marked with aqueous ink, including a coating step of coating an object with the composition to form a coating layer, and a printing step of inkjet-printing on the coating layer with aqueous ink to obtain a preparation marked with aqueous ink; and others.

There are provided a coating composition for applying inkjet printing thereto to form a marked preparation, the composition providing good ink affinity, suppression of ink bleed, and excellent gloss; and others. More specifically, there are provided a composition for applying inkjet printing thereto to form a marked preparation, the composition including a water-soluble cellulose ether having a viscosity at 20 C. of from 2 to 50.0 mPa.Math.s, as determined in 2% by mass aqueous solution, polyvinyl alcohol, and a solvent, wherein a mass ratio of the water-soluble cellulose ether to the polyvinyl alcohol is from 99.0:1.0 to 55.0:45.0; a method for producing a preparation marked with aqueous ink, including a coating step of coating an object with the composition to form a coating layer, and a printing step of inkjet-printing on the coating layer with aqueous ink to obtain a preparation marked with aqueous ink; and others.

Provided is an ink for use in manufacturing electronic components via inkjet printing, the ink being capable of stably maintaining silver nanoparticle dispersibility for extended periods, even in the presence of oxygen, and can be sintered to obtain a sintered body exhibiting superior electrical conductivity. The ink according to the present invention is an inkjet printing ink comprising surface-modified silver nanoparticles (A) and a dispersion solvent (B), wherein the (A) are surface-modified silver nanoparticles having a configuration in which surfaces of the silver nanoparticles are coated with a protective agent containing an amine; an amount of the (A) (in terms of silver) is not less than 30 wt. % of the ink; and the (B) comprises a secondary alcohol and/or a tertiary alcohol (b-1), and a hydrocarbon (b-2), wherein a total amount of the (b-1) and the (b-2) is not less than 70 wt. % of a total amount of the dispersion solvent (B).

Provided is an ink for use in manufacturing electronic components via inkjet printing, the ink being capable of stably maintaining silver nanoparticle dispersibility for extended periods, even in the presence of oxygen, and can be sintered to obtain a sintered body exhibiting superior electrical conductivity. The ink according to the present invention is an inkjet printing ink comprising surface-modified silver nanoparticles (A) and a dispersion solvent (B), wherein the (A) are surface-modified silver nanoparticles having a configuration in which surfaces of the silver nanoparticles are coated with a protective agent containing an amine; an amount of the (A) (in terms of silver) is not less than 30 wt. % of the ink; and the (B) comprises a secondary alcohol and/or a tertiary alcohol (b-1), and a hydrocarbon (b-2), wherein a total amount of the (b-1) and the (b-2) is not less than 70 wt. % of a total amount of the dispersion solvent (B).

A composite material is provided, which includes powder of a polymer uniformly distributed in a blend of the polymer and a compound. The polymer and the compound have similar molecular structure. The compound has a first initially melting temperature and a first completely melting temperature. The polymer has a second initially melting temperature and a second completely melting temperature. The first completely melting temperature is lower than the second initially melting temperature.

A composite material is provided, which includes powder of a polymer uniformly distributed in a blend of the polymer and a compound. The polymer and the compound have similar molecular structure. The compound has a first initially melting temperature and a first completely melting temperature. The polymer has a second initially melting temperature and a second completely melting temperature. The first completely melting temperature is lower than the second initially melting temperature.

An inkjet receiving medium having enhanced surface properties has a substrate and a topcoat layer disposed thereon. The topcoat layer has: (a) one or more water-soluble salts of a multivalent metal cation; and (b) composite particles having a Rockwell Hardness of less than or equal to R90 and each of the composite particles comprising domains of a (i) first organic polymer and domains of a (ii) second organic polymer. The domains of the (ii) second organic polymer are dispersed within the domains of the (i) first organic polymer. The melting point of the (i) first organic polymer is lower than the melting point of the (ii) second organic polymer. The weight ratio of the (i) first organic polymer to the (ii) second organic polymer is chosen such that the (b) composite particles have a density of 1.0-1.5 g/ml.

An inkjet receiving medium having enhanced surface properties has a substrate and a topcoat layer disposed thereon. The topcoat layer has: (a) one or more water-soluble salts of a multivalent metal cation; and (b) composite particles having a Rockwell Hardness of less than or equal to R90 and each of the composite particles comprising domains of a (i) first organic polymer and domains of a (ii) second organic polymer. The domains of the (ii) second organic polymer are dispersed within the domains of the (i) first organic polymer. The melting point of the (i) first organic polymer is lower than the melting point of the (ii) second organic polymer. The weight ratio of the (i) first organic polymer to the (ii) second organic polymer is chosen such that the (b) composite particles have a density of 1.0-1.5 g/ml.