C09D11/322

METHOD FOR PRODUCING LIGHT-EMITTING PARTICLES, LIGHT-EMITTING PARTICLES, LIGHT-EMITTING PARTICLE DISPERSION, INK COMPOSITION, AND LIGHT-EMITTING ELEMENT

Provided are light-emitting particles having high stability while having perovskite-type semiconductor nanocrystals having excellent light-emitting properties, a method for producing the same, and a light-emitting particle dispersion, an ink composition, and a light-emitting element containing such light-emitting particles. The method for producing light-emitting particles of the present invention includes a step of preparing parent particles 91 composed of perovskite-type semiconductor nanocrystals 911 having light-emitting properties and a surface layer 912 which is composed of ligands coordinated on the surface of the semiconductor nanocrystal 911 and in which the ligand molecules form a siloxane bond with each other, and a step of forming a polymer layer 93 by coating the surface of the parent particle 91 with a hydrophobic polymer.

IMAGE RECORDING METHOD

Provided is an image recording method including applying an ink containing water, a resin X, and a colorant onto a resin base material A which has a specific distortion rate and to which a tension is applied, to obtain an image, heating the image to a temperature Td and drying the image, and cooling the image to a temperature Tr, in which σ.sub.total calculated by Equation (1) is 40 kgf/cm.sup.2 or less. E(Td) represents an elastic modulus of the resin X at the temperature T.sub.d, ε(T.sub.d) represents an expansion coefficient of the resin base material A under specific conditions, E(T) represents an elastic modulus of the resin X at a temperature T of the image in the cooling, α.sub.r(T) represents a linear expansion coefficient of the resin X at the temperature T, and α.sub.s(T) represents a linear expansion coefficient of the resin base material A under specific conditions.


σ.sub.total=|σ.sub.dry+σ.sub.cool|  Equation (1)


σ.sub.dry=E(T.sub.d)ε(T.sub.d)  Equation (2)


σ.sub.cool=∫E.sub.T.sub.r.sup.T.sup.d(T)(α.sub.r(T)−α.sub.s(T))dT  Equation (3)

IMAGE RECORDING METHOD

Provided is an image recording method including applying a pretreatment liquid containing water and a resin X and an ink containing water and a colorant onto a resin base material A which has a specific distortion rate and to which a tension is applied, to obtain an image, heating the image to a temperature T.sub.d and drying the image, and cooling the image to a temperature T.sub.r, in which σ.sub.total calculated by Equation (1) is 40 kgf/cm.sup.2 or less. E(T.sub.d) represents an elastic modulus of the resin X at the temperature T.sub.d, ε(T.sub.d) represents an expansion coefficient of the resin base material A under specific conditions, E(T) represents an elastic modulus of the resin X at a temperature T of the image in the cooling, α.sub.r(T) represents a linear expansion coefficient of the resin X at the temperature T, and α.sub.s(T) represents a linear expansion coefficient of the resin base material A under specific conditions.

[00001] σ total = .Math. σ dry + σ cool .Math. Equation ( 1 ) σ dry = E ( T d ) .Math. ( T d ) Equation ( 2 ) σ cool = T r T d E ( T ) ( α r ( T ) - α s ( T ) )

METHOD FOR TEXTILE PRINTING

A method is presented for direct digital printing on a textile substrate utilizing a two-step pretreatment comprising a plasma pretreatment and a heat pretreatment step followed by inkjet printing on the textile and a final heat treatment step.

METHOD FOR TEXTILE PRINTING

A method is presented for direct digital printing on a textile substrate utilizing a two-step pretreatment comprising a plasma pretreatment and a heat pretreatment step followed by inkjet printing on the textile and a final heat treatment step.

FLUID SETS FOR TEXTILE PRINTING

A fluid set for textile printing can include an ink composition including an ink vehicle, pigment, and from 1 wt % to 15 wt % epoxide-reactive polymer. The fluid set can also include a fixer fluid including a fixer vehicle, and from 0.5 wt % to 12 wt % of a multiepoxide-containing resin.

FLUID SETS FOR TEXTILE PRINTING

A fluid set for textile printing can include an ink composition including an ink vehicle, pigment, and from 1 wt % to 15 wt % epoxide-reactive polymer. The fluid set can also include a fixer fluid including a fixer vehicle, and from 0.5 wt % to 12 wt % of a multiepoxide-containing resin.

INKJET OVERCOAT COMPOSITION
20220145111 · 2022-05-12 ·

An inkjet overcoat composition includes an aqueous vehicle. The inkjet overcoat composition also includes modified silica nanoparticles dispersed in the aqueous vehicle and a sugar alcohol dissolved or dispersed in the aqueous vehicle. Each modified silica nanoparticle includes a silica core and a hydrotropic silane coupling agent attached to the silica core.

INKJET OVERCOAT COMPOSITION
20220145111 · 2022-05-12 ·

An inkjet overcoat composition includes an aqueous vehicle. The inkjet overcoat composition also includes modified silica nanoparticles dispersed in the aqueous vehicle and a sugar alcohol dissolved or dispersed in the aqueous vehicle. Each modified silica nanoparticle includes a silica core and a hydrotropic silane coupling agent attached to the silica core.

FABRIC TREATMENT COMPOSITIONS

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.