A fabric treatment composition for preparing a fabric substrate for printing is described. The fabric treatment composition comprises at least one fibre-bonding agent, at least one hydrophobicity agent and at least 50 weight % water. A method is also described comprising applying, to at least an area of a fabric substrate, a fabric treatment composition to form a coating, wherein the fabric treatment composition comprises at least one fibre-bonding agent, at least one hydrophobicity agent and a carrier liquid; and printing at least one ink composition onto the coating. A printable fabric medium is also described comprising a fabric substrate; and a coating formed on at least one side of at least an area of the substrate.

The invention relates to printable ion-conductive and viscosity-tunable inks based on two-dimensional (2D) insulators, forming methods and applications of the inks. The 2D insulating material based printable ink includes at least one solvent; and an exfoliated composition dispersed in the at least one solvent. The exfoliated composition includes a 2D insulating material and a dispersant and stabilizing agent. The printed structures of the 2D insulating material based printable ink possess high ionic conductivity, chemical and thermal stability, and electrically insulating character, which are an ideal set of characteristics for printable battery components such as separators and solid electrolytes.

The invention relates to printable ion-conductive and viscosity-tunable inks based on two-dimensional (2D) insulators, forming methods and applications of the inks. The 2D insulating material based printable ink includes at least one solvent; and an exfoliated composition dispersed in the at least one solvent. The exfoliated composition includes a 2D insulating material and a dispersant and stabilizing agent. The printed structures of the 2D insulating material based printable ink possess high ionic conductivity, chemical and thermal stability, and electrically insulating character, which are an ideal set of characteristics for printable battery components such as separators and solid electrolytes.

The present invention provides an interference pigment that develops interference colors even on light-colored bases. An interference pigment 1 of the present invention includes: a flaky inorganic substrate 10; a transparent metal layer 20 that coats the inorganic substrate 10; and a metal oxide layer 30 that coats the metal layer 20.

The present invention provides an interference pigment that develops interference colors even on light-colored bases. An interference pigment 1 of the present invention includes: a flaky inorganic substrate 10; a transparent metal layer 20 that coats the inorganic substrate 10; and a metal oxide layer 30 that coats the metal layer 20.

The present invention relates to a process for producing a dispersion of white fine particles from which a white ink that is capable of exhibiting excellent hiding power, rub fastness and water resistance even when printed on a low-water absorbing printing medium can be obtained by incorporating the dispersion of the white fine particles into the ink, and a water-based ink for ink-jet printing which contains the white fine particles. The present invention provides [1] a process for producing a dispersion of white fine particles, including step 1 of mixing titanium oxide and a polymer dispersant at a pH value that is not less than an acid dissociation exponent (pKa) of at least a part of an acid component of the polymer dispersant to thereby obtain a titanium oxide dispersion, in which an isoelectric point (A) of the titanium oxide and the acid dissociation exponent (pKa) (B) of the polymer dispersant satisfy a relationship represented by the formula: A−B≥0, the polymer dispersant contains a constitutional unit derived from a hydrophobic monomer, and a volume median particle size (D.sub.50) of particles in the titanium oxide dispersion is from 150 to 500 nm; and step 2 of adding a polymerizable monomer to the titanium oxide dispersion obtained in the step 1 to subject the polymerizable monomer to polymerization reaction, thereby obtaining the dispersion of the white fine particles, and [2] a water-based ink for ink-jet printing which contains the white fine particles obtained above.

The present invention relates to a process for producing a dispersion of white fine particles from which a white ink that is capable of exhibiting excellent hiding power, rub fastness and water resistance even when printed on a low-water absorbing printing medium can be obtained by incorporating the dispersion of the white fine particles into the ink, and a water-based ink for ink-jet printing which contains the white fine particles. The present invention provides [1] a process for producing a dispersion of white fine particles, including step 1 of mixing titanium oxide and a polymer dispersant at a pH value that is not less than an acid dissociation exponent (pKa) of at least a part of an acid component of the polymer dispersant to thereby obtain a titanium oxide dispersion, in which an isoelectric point (A) of the titanium oxide and the acid dissociation exponent (pKa) (B) of the polymer dispersant satisfy a relationship represented by the formula: A−B≥0, the polymer dispersant contains a constitutional unit derived from a hydrophobic monomer, and a volume median particle size (D.sub.50) of particles in the titanium oxide dispersion is from 150 to 500 nm; and step 2 of adding a polymerizable monomer to the titanium oxide dispersion obtained in the step 1 to subject the polymerizable monomer to polymerization reaction, thereby obtaining the dispersion of the white fine particles, and [2] a water-based ink for ink-jet printing which contains the white fine particles obtained above.

An object of the present disclosure is to provide a conductive ink that is excellent in applicability and dispersibility of metal nanoparticles, and forms, through sintering, a sintered body which is excellent in substrate steady contact and conductivity. The conductive ink according to an embodiment of the present disclosure contains components (A), (B), and (C) below, wherein a content of the component (C) is from 0.1 to 5.0 parts by weight relative to 100 parts by weight of the component (A), and a viscosity at 25° C. is 100 mPa.Math.s or less: Component (A): surface-modified metal nanoparticles having a configuration in which surfaces of metal nanoparticles are coated with an organic protective agent; Component (B): a dispersion medium containing an alcohol (b-1) and a hydrocarbon (b-2); and Component (C): a polyvinyl acetal resin.

An object of the present disclosure is to provide a conductive ink that is excellent in applicability and dispersibility of metal nanoparticles, and forms, through sintering, a sintered body which is excellent in substrate steady contact and conductivity. The conductive ink according to an embodiment of the present disclosure contains components (A), (B), and (C) below, wherein a content of the component (C) is from 0.1 to 5.0 parts by weight relative to 100 parts by weight of the component (A), and a viscosity at 25° C. is 100 mPa.Math.s or less: Component (A): surface-modified metal nanoparticles having a configuration in which surfaces of metal nanoparticles are coated with an organic protective agent; Component (B): a dispersion medium containing an alcohol (b-1) and a hydrocarbon (b-2); and Component (C): a polyvinyl acetal resin.

A colored dispersion for inkjet and a method for producing the same, the colored dispersion including a colorant, a dispersant, a tellurium compound, and water, in which the dispersant is an A-B block polymer; monomers constituting an A block are (meth)acrylic acid and butyl (meth)acrylate; the content of the (meth)acrylic acid in the A block is 26-42 mass %; a monomer constituting a B block includes cyclohexyl (meth)acrylate; the acid value of the dispersant is 100-159 mg KOH/g; and the mass-average molecular weight of the dispersant is 10,000-50,000. An inkjet recording ink containing the dispersion; an inkjet recording method using the ink; recording media to which the ink adheres; and an inkjet printer equipped with a container containing the ink.