C09D11/033

Colorant Dispersion And Ink Composition For Aqueous Ink Jet Recording
20220325118 · 2022-10-13 ·

A colorant dispersion contains water, (meth)acrylic resin particles containing a disperse dye, a nonionic surfactant, and a tertiary amine compound represented by Formula (1) below:

##STR00001##

where R represents —(CH.sub.2CH.sub.2O).sub.mH, an aliphatic group containing 6 to 18 carbon atoms, or an aromatic group and each m independently represents an integer of 1 to 10. The (meth)acrylic resin particles have a glass transition temperature of 60° C. or higher and contain 10% by mass or more of the disperse dye with respect to the total mass of the (meth)acrylic resin particles.

Colorant Dispersion And Ink Composition For Aqueous Ink Jet Recording
20220325118 · 2022-10-13 ·

A colorant dispersion contains water, (meth)acrylic resin particles containing a disperse dye, a nonionic surfactant, and a tertiary amine compound represented by Formula (1) below:

##STR00001##

where R represents —(CH.sub.2CH.sub.2O).sub.mH, an aliphatic group containing 6 to 18 carbon atoms, or an aromatic group and each m independently represents an integer of 1 to 10. The (meth)acrylic resin particles have a glass transition temperature of 60° C. or higher and contain 10% by mass or more of the disperse dye with respect to the total mass of the (meth)acrylic resin particles.

Aliphatic ceramics dispersant

The invention provides dispersed inorganic mixed metal oxide pigment compositions in a hydrocarbon media utilizing a dispersant having polyisobutylene succinic anhydride structure reacted with a non-polymeric amino ether/alcohol to disperse a mixed metal oxide pigment in the media. The metal oxide pigment is of the type used to color ceramic or glass articles. A milling process using beads is also described to reduce the mixed metal oxide particle size to the desired range. A method of using the mixed metal oxide dispersion to digitally print an image on a ceramic or glass article using the dispersion jetted through a nozzle and subsequently firing the colored article is also described.

Aliphatic ceramics dispersant

The invention provides dispersed inorganic mixed metal oxide pigment compositions in a hydrocarbon media utilizing a dispersant having polyisobutylene succinic anhydride structure reacted with a non-polymeric amino ether/alcohol to disperse a mixed metal oxide pigment in the media. The metal oxide pigment is of the type used to color ceramic or glass articles. A milling process using beads is also described to reduce the mixed metal oxide particle size to the desired range. A method of using the mixed metal oxide dispersion to digitally print an image on a ceramic or glass article using the dispersion jetted through a nozzle and subsequently firing the colored article is also described.

Method for obtaining encapsulated nanoparticles

A method for obtaining at least one particle, including: (a) preparing solution A including at least one precursor of at least one of Si, B, P, Ge, As, Al, Fe, Ti, Zr, Ni, Zn, Ca, Na, Ba, K, Mg, Pb, Ag, V, Te, Mn, Ir, Sc, Nb, Sn, Ce, Be, Ta, S, Se, N, F, and Cl; (b) preparing aqueous solution B; (c) forming droplets of solution A; (d) forming droplets of solution B; (e) mixing droplets; (f) dispersing mixed droplets in a gas flow; (g) heating dispersed droplets to obtain the at least one particle; (h) cooling the at least one particle; and (i) separating and collecting the at least one particle. The aqueous solution is acidic, neutral, or basic. In step (a) and/or step (b) at least one colloidal suspension of a plurality of nanoparticles is mixed with the solution. Also, a device for implementing the method.

Method for obtaining encapsulated nanoparticles

A method for obtaining at least one particle, including: (a) preparing solution A including at least one precursor of at least one of Si, B, P, Ge, As, Al, Fe, Ti, Zr, Ni, Zn, Ca, Na, Ba, K, Mg, Pb, Ag, V, Te, Mn, Ir, Sc, Nb, Sn, Ce, Be, Ta, S, Se, N, F, and Cl; (b) preparing aqueous solution B; (c) forming droplets of solution A; (d) forming droplets of solution B; (e) mixing droplets; (f) dispersing mixed droplets in a gas flow; (g) heating dispersed droplets to obtain the at least one particle; (h) cooling the at least one particle; and (i) separating and collecting the at least one particle. The aqueous solution is acidic, neutral, or basic. In step (a) and/or step (b) at least one colloidal suspension of a plurality of nanoparticles is mixed with the solution. Also, a device for implementing the method.

Inkjet ink and inkjet recording apparatus
11661525 · 2023-05-30 · ·

An inkjet ink contains a pigment, a pigment dispersion resin, a water-soluble organic solvent, and a polymer nonionic surfactant. The pigment dispersion resin has an acid value of at least 55 mgKOH/g and no greater than 97 mgKOH/g. The polymer nonionic surfactant has a mass average molecular weight of at least 7,000 and no greater than 12,500. An inkjet recording apparatus includes a linehead and a conveyance section which conveys a recording medium. The linehead ejects the above inkjet ink onto the recording medium.

PEROVSKITE-BASED X-RAY IMAGE DETECTOR
20230161057 · 2023-05-25 ·

A direct conversion x-ray detection apparatus having a planar x-ray detection layer having a detection layer upper surface and a detection layer lower surface, the planar x-ray detection layer including a lead halide perovskite material; a top electrode layer above the detection layer upper surface; a bottom electrode layer below the detection layer lower surface and in conductive communication with the top electrode layer through the x-ray detection layer to apply a bias voltage across the x-ray detection layer; and a blocking layer between the x-ray detection layer and the top electrode layer to inhibit a dark current, the blocking layer including a polymer selected from the group comprising polyacrylates, polyimides, polyamides, polysulfones, polystyrenes, and polycarbonates.

PEROVSKITE-BASED X-RAY IMAGE DETECTOR
20230161057 · 2023-05-25 ·

A direct conversion x-ray detection apparatus having a planar x-ray detection layer having a detection layer upper surface and a detection layer lower surface, the planar x-ray detection layer including a lead halide perovskite material; a top electrode layer above the detection layer upper surface; a bottom electrode layer below the detection layer lower surface and in conductive communication with the top electrode layer through the x-ray detection layer to apply a bias voltage across the x-ray detection layer; and a blocking layer between the x-ray detection layer and the top electrode layer to inhibit a dark current, the blocking layer including a polymer selected from the group comprising polyacrylates, polyimides, polyamides, polysulfones, polystyrenes, and polycarbonates.

THREE-DIMENSIONAL PRINTING WITH THERMOPLASTIC ELASTOMERIC PARTICLES AND LOWER ALKYLDIOL ORGANIC CO-SOLVENTS

A three-dimensional printing kit can include a polymeric build material including thermoplastic elastomeric particles having a D50 particle size from about 2 μm to about 150 μm, and a fusing agent. The fusing agent can include water, from about 5 wt % to about 40 wt % lower alkyldiol organic co-solvent, and a radiation absorber to generate heat from absorbed electromagnetic radiation.