446 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 discloses bio-based polyurethane as well as a preparation method and application thereof, and belongs to the technical field of polyurethane. The bio-based polyurethane is prepared from bio-based silicon-based polyester polyol, diisocyanate and a bio-based chain extender, wherein the molar ratio of the bio-based silicon-based polyester polyol to the diisocyanate to the bio-based chain extender is 1.0: (3.0-5.0): (2.0-4.0); wherein the bio-based silicon-based polyester polyol is prepared by taking bio-based dibasic acid and single-ended dihydroxy siloxane as raw materials, and carrying out esterification reaction on the bio-based dibasic acid and the single-ended dihydroxy siloxane. In the bio-based polyurethane, siloxane antifouling groups are suspended on side chains of polyurethane macromolecules, so that the bio-based polyurethane is endowed with excellent antifouling and hydrophobic properties; the mechanical property of polyurethane is good, the compatibility of siloxane and polyurethane is improved, and the polyurethane slurry has good pigment dispersion stability. In general, the comprehensive performance of the bio-based polyurethane is excellent, and the bio-based polyurethane has important economic and application significance for obtaining high-quality polyurethane products.

To provide a resin-treated pigment which enables production of a pigment dispersion liquid useful as a raw material for preparing ultraviolet curable inkjet ink that has low viscosity and excellent storage stability, in which a pigment is finely dispersed, even if a monomer having a comparatively small SP value is contained as a liquid medium.SOLUTION: A resin-treated pigment is obtained by adding a resin A having a constitutional unit (ii) represented by general formula (3) and having a quaternary chloride rate of 30 mol% or more, to a mixture containing an inorganic black pigment and a pigment derivative represented by general formula (1), and precipitating a resin B in which at least a part of the constitutional unit (ii) is converted into a constitutional unit (iv) represented by general formula (4). In the formulae, M is Na or the like, E is an organic pigment skeleton, C is O or NH, D is an ethylene group or the like, and X is Cl or the like.SELECTED DRAWING: None

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 object of the present invention is to provide a method for forming a multilayer coating film, the method being capable of providing a multilayer coating film with excellent finished appearance and luster. The aqueous base paint (X) comprises: a hydroxy-containing acrylic resin particle (X1) having a core-shell structure wherein the shell has an acid value of 90 to 100 mg KOH / g; and a hydroxy-containing acrylic resin particle (X2) having a core-shell structure wherein the shell has an acid value of 110 to 120 mg KOH / g; and an associative thickener (X3), wherein the proportions of the hydroxy-containing acrylic resin particle (X1) and the hydroxy-containing acrylic resin particle (X2) contained in the aqueous base paint (X) are such that the ratio by mass of the hydroxy-containing acrylic resin particle (X1) to the hydroxy-containing acrylic resin particle (X2) (X1 / X2) is in the range of 70 / 30 to 30 / 70. The effect pigment dispersion (Y) contains a flake-aluminum pigment (Y1), a cellulose-based rheology control agent (Y2), a surface-adjusting agent (Y3), and water, and has a solids content within the range of 2 to 6 mass %. The effect coating film formed using the effect pigment dispersion (Y) has a cured film thickness of 0.5 to 1.5 μm.

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.

To provide a composition, which improves the dispersion stability of the composition and the photoelectric conversion efficiency of a photoelectric conversion element using the composition.SOLUTION: A composition contains pigment that is a cyclic conjugated compound with a plurality of pyrrole rings conjugated together, dispersing agent, resin, and solvent, and the dispersing agent contains a calixarene compound having four -CH=N-, -CH=CH- or -N=N- moieties, and the mass of the dispersing agent in the composition is more than 0.20 times the mass of the resin in the composition.SELECTED DRAWING: None

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 invention relates to water-based ink with high water resistance and a preparation process of the water-based ink, and the water-based ink comprises the following raw materials in parts by mass: 100-140 parts of acrylic emulsion; 120 to 160 parts of titanium dioxide; 5 to 15 parts of a thickening agent; 0-5 parts of a functional auxiliary agent; 80 to 100 parts of an organic pigment; 10-20 parts of a pigment dispersant; 20 to 60 parts of ethylene glycol; 400 to 600 parts of deionized water; the adding mass of the water-resistant additive is 0.1-0.2 time of the sum of the mass of the acrylic emulsion and the mass of the titanium dioxide; the water-resistant additive is regenerated cellulose embedded with zirconium oxide particles, the regenerated cellulose is of a microporous structure, the zirconium oxide particles are embedded in the microporous structure of the regenerated cellulose, and the mass ratio of the zirconium oxide particles to the regenerated cellulose is 1: (10-20). The water-based ink provided by the invention has good water resistance and sedimentation resistance.

The present invention discloses a bio-based anionic super dispersant having a structure shown in formula I or formula II. The super dispersant shown in formula I is formed by rigid terephthalate and flexible vinyl linked by ether bonds; the super dispersant shown in formula II is formed by rigid terephthalate and flexible glycerol linked by ether bonds. The preparation method of the super dispersant in the present invention is: succinylsuccinic acid dimethyl ester is oxidized to obtain 2,5-hydroxy terephthalic acid dimethyl ester, and then condensed with 1,2-dichloroethane (or epichlorohydrin) and the like to form an ether, and then the ester bond is saponified under an alkali agent to obtain. The preparation method of the super dispersant provided by the present invention is simple, has a high biochar content, a high yield, good pigment dispersion performance, and good stability of the obtained pigment paste.

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.