411 results about "Pigment dispersion" patented technology

An inkjet ink contains a quinacridone pigment, a pigment dispersion resin, and an aqueous medium. The pigment dispersion resin includes an adsorption resin adsorbed to the quinacridone pigment and a non-adsorption resin not adsorbed to the quinacridone pigment. The non-adsorption resin has a percentage content in the pigment dispersion resin of at least 20% by mass and no greater than 50% by mass. A supernatant obtained by centrifugation of the inkjet ink at 1,050,000 G for 3 hours has a phosphorous concentration of at least 1.0 ppm and no greater than 6.0 ppm. The supernatant has a sulfur concentration of at least 1.0 ppm and no greater than 6.0 ppm.

The invention belongs to the technical field of pigment dispersity testing, and particularly relates to a painting pigment dispersity testing device which comprises a base, a testing cylinder, a double-cone-shaped dispersing mechanism and an anti-condensation type grinding mechanism, the testing cylinder is arranged on the upper wall of the base, the double-cone-shaped dispersing mechanism is arranged in the testing cylinder, and the anti-condensation type grinding mechanism is arranged in the testing cylinder. The anti-condensation type grinding mechanism is arranged between the upper wall and the bottom wall of the testing cylinder, and the double-cone type dispersing mechanism comprises a centrifugal mechanism, a flow gathering mechanism and a concentration measuring mechanism. The invention provides the device for testing the dispersibility of the pigment for drawing, which can be used for carrying out separation test on the particle pigment and the powder pigment and can be used for grinding the separated particle pigment into powder under the condition of avoiding the agglomeration of the powder pigment.

The invention relates to microbial colorant compositions and associated processes to produce the same. Microbial colorant compositions are produced by combining microbially derived pigment molecules and microbial biosurfactants. The pigment molecules are obtained either directly from a fermentation broth or by extracting a precursor and transforming it into a pigment using chemical or enzymatic processes. A separately produced biosurfactant, such as a rhamnolipid or surfactin, is added to the obtained pigment molecule to create a pre-dispersed formulation. The biosurfactant may be added at various steps of This approach improves pigment dispersion, solubility, and substrate compatibility, enabling stable aqueous formulations without synthetic additives. The resulting compositions are suitable for wide range of applications including in textiles, food, cosmetics, and polymer materials. Processes for producing and combining the pigment and biosurfactant are also disclosed, including variations in fermentation, extraction, and formulation stages.

The invention relates to the technical field of pigment dispersity monitoring, in particular to a pigment dispersity monitoring control system for washing-free printed fabric. Acquiring a sample initial parameter of the sample, applying a preset disturbance signal to the sample, and collecting a sample disturbance parameter; measuring and calculating a stability index according to the sample initial parameter and the sample disturbance parameter, performing baseline calibration, and outputting a calibrated sample state parameter; measuring the flow process of the sample, and analyzing the dynamic change of a measurement signal to obtain process characteristic parameters of sample particles; identifying the sample state parameter and the process characteristic parameter to obtain a process offset coefficient; performing state compensation on the sample based on the process offset coefficient to obtain a compensated process transmission parameter; acquiring operation state parameters of the production equipment, and reading quality characteristic parameters of the processing object based on the optical detection device; according to the invention, process abnormity is identified based on the operation state parameters, the quality characteristic parameters and the process transmission parameters, and early warning control is carried out.

The invention provides a high-dispersity polyethylene primary color master batch and a preparation method thereof, and relates to the field of polyethylene primary color master batches. The high-dispersity polyethylene-based primary color master batch comprises 40-60% of high-density polyethylene, 20-40% of a heat-stable pigment, 10-20% of a dispersant and 5-10% of a compatible agent. By selecting the specific heat-stable pigment and combining the efficient dispersing agent, the stability of the pigment in the high-temperature processing process and the uniform dispersity of the pigment in a polyethylene matrix are effectively improved, so that the color consistency and quality of the color master batch at high temperature are ensured; according to the technical scheme, the mechanical property of the color master batch is enhanced, so that the color master batch is more suitable for high-speed injection molding processing, and the preparation method in the scheme comprises accurate ratio control and efficient mixing and extrusion processes, and particularly adopts an ultrasonic mixing technology and a double-screw extruder.

A pigment dispersion liquid containing a copolymer (A) having a first segment (a1) derived from a nitrogen-containing polymerizable unsaturated monomer having a tertiary amino group and / or a nitrogen-containing heterocyclic group, and a second segment (a2) derived from a polymerizable unsaturated monomer having a polyoxyalkylene chain, a hydrocarbon group-containing acidic compound (B), a pigment (C), and an aqueous solvent (D), and a hydrocarbon group-containing acidic compound (B) having a C5-23 saturated or unsaturated hydrocarbon group (b1) and at least one acid group (b2) selected from the group consisting of a carboxyl group, a phosphate group, a sulfonic acid group, and a phenol group.

An aqueous inkjet ink contains a pigment, a pigment dispersion resin, a surfactant, a water-soluble organic solvent, and a binder resin, wherein the pigment dispersion resin contains at least one selected from the group consisting of block polymers and polymers having a crosslinked structure, the water-soluble organic solvent contains hexylene glycol, and if WR(g) is the sum of the content of the pigment dispersion resin and the content of the binder resin in 100g of the aqueous inkjet ink, and WP(g) is the content of the pigment in 100g of the aqueous inkjet ink, then the value represented by WR / WP is 1-7.

The present invention addresses the problem of providing: a carbon nanotube dispersion paste and a composite paste that have excellent pigment dispersibility and storage stability even at high pigment concentrations; and an electrode layer for a non-aqueous electrolyte secondary battery that has excellent performance (electric conductivity, battery performance, etc.). As the solution, provided is a carbon nanotube dispersion paste for a non-aqueous electrolyte secondary battery that contains at least a dispersion resin (A), carbon nanotubes (B), and a solvent (C), wherein: the dispersion resin (A) contains at least a structural unit (a-1); and the BET specific surface area of the carbon nanotubes (B) is 100 m2 / g to 1000 m2 / g.

The invention relates to the field of color paste, in particular to color paste for silica gel leather and a preparation method of the color paste. The color paste for the silica gel leather at least comprises the following raw materials in parts by mass: 55-75 parts of film-forming resin, 10-30 parts of a coloring agent, 9-15 parts of a combined reinforcing agent, 3-6 parts of a dispersing agent, 3-10 parts of filler, 2-4 parts of a wetting agent, 3-10 parts of water, 2-10 parts of a thickening agent, 0.3-0.5 part of a defoaming agent, 0.2-0.4 part of an ultraviolet absorbent and 5-10 parts of polymerized emulsion. The finally prepared color paste material not only has excellent pigment dispersibility and compatibility of a silica gel matrix, but also can avoid the use of an organic solvent and avoid greater environmental protection problems, and can finally maintain good stability, storability and other properties, the comprehensive performance is greatly improved, and the color paste material is suitable for industrial production. The higher application performance requirement of the existing silica gel leather on the color paste is effectively met.

An ultraviolet ink composition includes from 25 wt % to 50 wt % of a pigment dispersion, from greater than 0 wt % to 10 wt % of a photoinitiator package; from 10 wt % to 42 wt % of a reactive diluent; from 10 wt % to 20 wt % of a multifunctional monomer; and from 0 wt % to 25 wt % of a difunctional monomer. An ink primer includes from 2 wt % to 10 wt % of an adhesion promoter configured to bond to glass and from 90 wt % to 98 wt % of a solvent configured to promote bonding of the adhesion promoter to the glass. Another ink primer includes from 2 wt % to 10 wt % of an adhesion promoter configured to bond to glass, from greater than 0 wt % to 10 wt % of a photoinitiator package; and from 30 wt % to 45 wt % of a monofunctional monomer.

The present disclosure relates to an aqueous inkjet ink including pigment particles, a surfactant, and an organic solvent, wherein: the pigment particles include a pigment and a pigment dispersion resin; the pigment dispersion resin has a crosslinked structure; the surfactant includes an acetylenediol-based surfactant (A-1) having an actually measured HLB value of 6-9 and a siloxane-based surfactant (A-2) having an actually measured HLB value of 8-14; and the organic solvent includes an alkanediol having 5-8 carbon atoms (but excluding 1,2-alkanediol having 5-8 carbon atoms) and / or a (di)propylene glycol monoalkyl ether represented by a specific structural formula.

An ultraviolet ink composition includes from 25 wt % to 50 wt % of a pigment dispersion, from greater than 0 wt % to 10 wt % of a photoinitiator package; from 10 wt % to 42 wt % of a reactive diluent; from 10 wt % to 20 wt % of a multifunctional monomer; and from 0 wt % to 25 wt % of a difunctional monomer. An ink primer includes from 2 wt % to 10 wt % of an adhesion promoter configured to bond to glass and from 90 wt % to 98 wt % of a solvent configured to promote bonding of the adhesion promoter to the glass. Another ink primer includes from 2 wt % to 10 wt % of an adhesion promoter configured to bond to glass, from greater than 0 wt % to 10 wt % of a photoinitiator package; and from 30 wt % to 45 wt % of a monofunctional monomer.

The problem to be solved by the present invention is to provide an aqueous pigment dispersion that can maintain superior dispersibility and long-term storage stability, and that can be used for producing printed matter superior in color development in printing on plain paper. The present invention relates to an aqueous pigment dispersion that contains a pigment including C.I. pigment red 150, a water soluble organic solvent, and a radical polymer having an aromatic ring structure or a heterocyclic structure and having an acid value of 50 to 120 mgKOH / g, acid groups in the radical polymer being partially or entirely neutralized with a basic compound, the radical polymer being contained at a mass ratio to the pigment in the range of 0.001 to 0.1.

The ink according to the present invention is an actinic radiation-curable inkjet resist ink comprising an actinic radiation-polymerizable compound (A), a pigment (B), and a pigment dispersant (C), wherein: the pigment (B) contains a red pigment (B1) having a maximum absorption wavelength from 480 nm to 600 nm and a pigment (B2) having a color different from that of the red pigment (B1); the pigment dispersant (C) has an amine value larger than its acid value; the halogen content in the inkjet resist ink is not more than 900 ppm; and the actinic radiation-curable inkjet resist ink substantially does not contain a black inorganic pigment.

The present invention addresses the problem of providing a conductive paste that achieves, when used for a lithium-ion secondary battery, low internal resistance and suppression of an increase in internal resistance after repeated charging and discharging. The present invention provides a conductive paste comprising a pigment dispersion resin (A), a conductive carbon (B), an inorganic material (C), and a solvent (D), wherein the pigment dispersion resin (A) has at least one polar functional group selected from the group consisting of an amide group, imide group, ether group, hydroxy group, carboxy group, sulfonate group, phosphate group, silanol group, amino group, and pyrrolidone group, and wherein the inorganic material (C) comprises at least one member selected from the group consisting of a glass, glass ceramic, and ceramic.

The invention discloses water-based ink with barrier property and a preparation process thereof, and relates to the technical field of water-based ink. Comprising the following components: modified acrylic resin, pigment, montmorillonite, a polyester type dispersant, an alkynediol wetting agent, an organic silicon composite defoaming agent, a low-viscosity modified siloxane flatting agent, an aziridine cross-linking agent and the balance of deionized water. Wherein perfluorobutyl, glycidyl ether oxygroup and hydroxyl are grafted on a molecular chain of the modified acrylic resin, the particle size of the montmorillonite is smaller than 500nm, and the radius-thickness ratio is larger than 50. The preparation process comprises the steps of nano clay pre-activation and pigment dispersion, reactive dispersion and resin grafting, low-temperature grinding and directional curing. According to the ink formula, the high-activity aziridine cross-linking agent and the flaky nano-clay filler are used in a matched mode in the modified acrylic resin, synergistic interaction is achieved through a specific formula proportion, the comprehensive barrier property of the ink is remarkably improved, and the OTR is reduced to 4.2 cc / m.day.

An object of the present invention is to provide an active ray curable inkjet ink that is less likely to cause satellites and mist during printing and can form a coating film having satisfactory post-processability. An active ray curable inkjet ink that achieves the above-described object contains a photopolymerizable compound, a photoinitiator, a gelling agent, a pigment, and a pigment-dispersing agent. In addition, the active ray curable inkjet ink further contains a compound represented by a specific structural formula, and the amount of the photopolymerizable compound is 70% by mass or more with respect to the total mass of the active ray curable inkjet ink.

Provided is a water-based inkjet ink that is excellent in continuous ejection stability and straight ejection, and that provides excellent print density and print quality for prints on various printing substrates, particularly paper substrates, and further has good resolubility. [Solution] The aqueous inkjet ink comprises pigment particles including a pigment and a pigment dispersing resin that covers at least a portion of the surface of the pigment, an acetylene diol surfactant (B-1) having a measured HLB value of 6 to 9, a siloxane surfactant (B-2), an alkanediol having 3 to 4 carbon atoms, an alkanediol having 5 to 8 carbon atoms, and a glycol ether having 4 to 10 carbon atoms, wherein the pigment dispersing resin comprises a crosslinked reaction product of a polymer (A-1) that has an aromatic ring and an acid group and an acid value of 50 to 160 mg KOH / g, and a compound (A-2) that has multiple glycidyl ether groups in one molecule, and the compound (A-2) is blended in an amount that results in a glycidyl group content of 50 to 200 mol %.

To provide a high polymer dispersant including, as an effective component, a structural unit derived from an itaconic acid as a biomass material, the dispersant enabling preparation of a pigment dispersion having excellent pigment dispersibility and an aqueous inkjet ink having excellent ejectability and allowing recording of an image with excellent image quality, adhesion to a substrate, and durability, as well as a method for producing the dispersant.SOLUTION: A polymer dispersant for dispersing a pigment, the dispersant comprising a structural unit (i) derived from itaconic acid or the like in an amount of 5-20 mass%, a structural unit (ii) derived from isobornyl acrylate in an amount of 15-45 mass%, a structural unit (iii) derived from tetrahydrofurfuryl acrylate or the like in an amount of 10-40 mass%, and a structural unit (iv) derived from styrene or the like in an amount of 15-45 mass%, the polymer being a carboxyl group-containing polymer having a number average molecular weight of 10,000-30,000, at least a part of the carboxyl groups being neutralized with an alkali and dissolving in water.SELECTED DRAWING: None

The application provides a triarylmethane derivative, a pigment dispersion liquid, a preparation method thereof and a photoresist, and relates to the field of photoresists. The structural general formula of the triarylmethane derivative is: wherein X1 is selected from one of long-chain alkyl groups with a length of C1-C12, X2 is selected from hydrogen or an alkyl group, X3 is selected from one of H, an alkyl group and an aromatic group, and Q is selected from one of a carboxyl group, a sulfonic acid group and a phosphoric acid group. The triarylmethane derivative can generate strong van der Waals force and pi-pi conjugation effect with pigment molecules in a colorant by virtue of the large-plane conjugated triarylmethane skeleton, so as to be firmly anchored on the surface of the pigment particles; the strong polar functional groups such as the sulfonic acid group in the molecular structure of the triarylmethane derivative are combined with the alkaline dispersant, the side long-chain alkyl groups fully act on the dispersion medium, and the re-aggregation of the nano pigment particles is effectively prevented through strong steric hindrance and electrostatic stabilization mechanism, so that the problem of poor dispersion stability is solved.

Provided are a photosensitive resin composition, a cured layer formed using same, a color filter comprising the cured layer, and a CMOS image sensor, the photosensitive resin composition comprising: a yellow pigment dispersion containing a compound represented by chemical formula 1 and a yellow pigment; a pigment; a photopolymerizable compound; a photopolymerization initiator; and a solvent. [Chemical formula 1] (In chemical formula 1, each substituent is as defined in the specification.)

A photosensitive coloring resin composition with high residual film yield is provided. The photosensitive coloring resin composition of the present invention is characterized in that it contains (A) a colorant, (B) a dispersant, (C) an alkali-soluble resin and (D) a photopolymerization initiator, wherein the aforementioned (A) colorant comprises an organic pigment (A-1) and the aforementioned (C) alkali-soluble resin comprises a resin (C1) having a structural unit having the following general formula (1).

Described herein are solid pigment dispersions that are formulated into a paste consistency during milling to reduce pigment particle size and form a dry granular consistency that is pourable and easy to handle at ambient temperature. This results in stronger, more intense color that can be easily incorporated into a variety of cosmetic products. These pigment dispersions are prepared with plant-derived materials that are derived from naturally occurring, renewable sources.

A three-dimensional printing kit includes a substantially colorless fusing agent and a color assist agent. The fusing agent includes a liquid vehicle including water, a co-solvent, and an amino acid stabilizer. The fusing agent further includes an infrared (IR) absorbing pigment dispersion including an IR absorbing pigment present in an amount ranging from about 0.01 wt % active to about 1.6 wt % active, based on a total weight of the fusing agent. The color assist agent includes a liquid vehicle including water and a plasticizing co-solvent, and a dye dissolved in the liquid vehicle. Also disclosed is a method of making a colored 3D printed object.

The invention discloses a high-corrosion-resistance electrophoretic coating and a preparation method thereof, and belongs to the technical field of electrophoretic coatings. The preparation method of the coating comprises the following steps: S1, mixing epoxy resin, a thioether compound with an active group at the end position, a chain extender, triphenylphosphine, an organic solvent 2, an amino catalyst and a neutralizer, and carrying out heat preservation and chain extension to obtain thioether modified epoxy resin; s2, aminating, neutralizing and re-emulsifying the thioether modified epoxy resin in the step S1, an aminating agent, an organic solvent 1, a curing agent, a neutralizing agent and deionized water to obtain a high-corrosion-resistance emulsion; s3, mixing and grinding the thioether modified epoxy resin in the step S1 with pigment, a dispersing agent and deionized water to obtain high-corrosion-resistance color paste; s4, mixing the high-corrosion-resistance emulsion in S2 and the high-corrosion-resistance color paste in S3 according to the mass ratio of 4: 1 to 8: 1 to obtain the high-corrosion-resistance electrophoretic coating. And by adopting the thioether modified epoxy resin, the obtained coating has excellent corrosion resistance, mechanical property and flame retardant property at the same time.

An ink includes: a pigment, a pigment dispersion resin, 7 mass % or more and 20 mass % or less of polyethylene glycol having a molecular weight of 200 or more and 600 or less, 1 mass % or more and 15 mass % or less of 3-methyl-1,5-pentanediol, 1 mass % or more and 10 mass % or less of triethylene glycol monobutyl ether, and water.

To provide a pigment dispersion capable of preparing an aqueous ink for inkjet, using a halogen-free pigment as a coloring material, and excellent in storage stability, and to provide an aqueous ink for inkjet using the same.SOLUTION: The pigment dispersion contains a pigment, a dispersant for dispersing the pigment, and water. The pigment is at least one selected from the group consisting of C. I. Pigment Green 8, C. I. Pigment Violet 29, and C. I. Pigment Violet 37. The aqueous ink for inkjet contains the pigment dispersion.SELECTED DRAWING: None

An object of the present invention is to provide a photocurable aqueous ink composition for inkjet printing that is excellent in all aspects including miscibility when components excluding pigments and pigment dispersants are mixed, curability during printing, adhesion property and water resistance of a printed coating film. As a solution, provided is a photocurable aqueous ink composition for inkjet printing including: water by 10.0 to 45.0% by mass in the photocurable aqueous ink composition for inkjet printing; a colorant; a water-soluble polymerizable compound containing N-monosubstituted acrylamide; and a photoinitiator.

According to the pigment red 254 kneading inducer and the application thereof, the aromatic amide lactam compound is used as the pigment red 254 kneading inducer, so that the content of an alpha crystal form of the pigment red 254 kneading inducer can be effectively increased, the alpha crystal form is stabilized, and the pigment red 254 kneading inducer has the advantages that the pigment dispersity and resin compatibility are improved, and grain growth and reaggregation are inhibited; the pigment red 254 overcomes many defects of pigment red 254 in the prior art, and has a remarkable application prospect.

To improve the (re)dispersibility of titanium oxide pigment not only in an aqueous white ink composition containing the titanium oxide pigment, but also in a pigment dispersion liquid, which is an intermediate composition for the production of the aqueous white ink composition. [Solution] An aqueous white ink dispersion containing a titanium oxide pigment, an anionic group-containing polymer dispersant, and water: the titanium oxide pigment contains titanium oxide and a surface treatment agent that treats the surface of the titanium oxide, and satisfies the condition that the mass of the titanium oxide in the titanium oxide pigment: the total mass of the surface treatment agents = 90:10 to 80:20; in the aqueous white ink dispersion, the median diameter of the average particle diameter of the titanium oxide pigment is 280 to 400 nm; the acid value of the anionic group-containing polymer dispersant is 470 to 830 mgKOH / g; the mass average molecular weight of the anionic group-containing polymer dispersant is 1,000 or more and 10,000 or less; and the aqueous white ink dispersion contains 1 to 5 parts by mass of the anionic group-containing polymer dispersant per 100 parts by mass of titanium oxide.