648 results about "Pigment dispersion" patented technology

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.

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.

The invention relates to hydrolysis-resistant polyester polyol with high bio-based content, polyurethane resin for a synthetic leather surface layer and a preparation method of the hydrolysis-resistant polyester polyol. The hydrolysis-resistant polyester polyol with high bio-based content comprises the following raw materials: bio-based dihydric alcohol, bio-based dibasic acid, an antioxidant and a catalyst. In the hydrolysis-resistant polyester polyol with high bio-based content, provided by the invention, the bio-based dihydric alcohol not only comprises micromolecular bio-based 1, 3-propylene glycol, but also comprises low-carbon environment-friendly long-chain polypropylene carbonate dihydric alcohol with molecular weight of 1000, so that the crystallinity and hardness of the bio-based polyester polyol are reduced; the hydrolysis resistance and flexibility of the bio-based polyester polyol are improved, the hydrolysis resistance of polyurethane resin for a synthetic leather surface layer prepared from the hydrolysis-resistant polyester polyol with the high bio-based content is synchronously improved, and the stable dispersion performance of pigment is good.

The invention discloses a preparation method and application of a color master batch, belongs to the technical field of color master batch processing, and is used for solving the technical problem that the dispersity, color fastness and antistatic property of the color master batch in the prior art need to be further improved. The preparation method comprises the following steps: adding a modified pigment dispersion, modified polyurethane, polylactic acid and an auxiliary additive into a double-screw extruder, and carrying out melt extrusion and grain-sized dicing to obtain the color master batch. The modified polyurethane is used as a switch phase, the polylactic acid is used as a stationary phase, and the modified pigment dispersion and the auxiliary additive are used as assistants, and melt extrusion is carried out to obtain the color master batch. The antistatic property and color fastness of the color master batch are improved, and the mechanical property and dispersity of the color master batch are also improved.

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

Provided is a pigment dispersion composition for a black matrix, the pigment dispersion composition having excellent storage stability and being capable of suppressing a decrease in the OD value (optical concentration) during a stand-by time between application of a resist to a substrate and pre-baking, and the resulting resist film having excellent thin wire adhesion. The pigment dispersion composition for a black matrix comprises lactam black, silica-based particles, a pigment dispersant containing a basic group, and an alkali-soluble resin, and satisfies at least one of the following conditions A and B. (Condition A) No carbon black is included. (Condition B) Carbon black is included, and the average primary particle diameter of the carbon black is 30 nm or more.

The invention discloses an acrylic pigment rod and a manufacturing method thereof. The acrylic pigment rod comprises the following raw materials: 30-60% of a solvent, 3-18% of a water-soluble adhesive, 5-15% of stearic acid, 5-20% of a sodium hydroxide solution, 8-15% of a humectant, 1-3% of a dispersant and 3-10% of a pigment. The water-soluble adhesive contains a water-soluble acrylic resin. The preparation method comprises the following steps: uniformly mixing the pigment, the dispersing agent and part of the humectant, grinding to obtain a color paste, dissolving the water-soluble adhesive in the solvent to obtain an adhesive solution, and putting the stearic acid, the sodium hydroxide solution, the humectant and the color paste into the adhesive solution to obtain a pigment semi-finished product; and pouring the pigment semi-finished product into a pen body mold, and cooling and molding to obtain the acrylic pigment rod. The manufacturing method is simple and reasonable, and the obtained acrylic pigment rod has the advantages that the acrylic pigment rod can be used for smoothly writing and drawing on various base materials, is good in covering power and soluble in water, and enables a picture to have a shading effect; and the market demand is met.

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.

To provide a water-in-oil emulsion cosmetic that excels in ease of reapplication, covering power, three-dimensional gloss, pigment dispersibility, and smooth spreadability.SOLUTION: A water-in-oil emulsion cosmetic comprises following components (A)-(D): (A) pigmentary titanium dioxide, (B) a powder dispersant that is liquid at 25°C, and contains three or more ester bonds, (C) a nonionic surfactant that is solid at 25°C, and (D) an aqueous component with √{(δp)2+(δh)2} under 20 in the Hansen solubility parameter.

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.

The invention provides polyurethane ink resin as well as a preparation method and application thereof. The polyurethane ink resin is prepared from the following raw materials in parts by mass through reaction: 18 to 34 parts of polyester polyol, 2 to 8 parts of isocyanate, 0.3 to 6 parts of amine chain extender and 0.05 to 5 parts of end-capping reagent. The polyester polyol is formed by polycondensation of dihydric alcohol and dibasic acid; the dihydric alcohol comprises dimer alcohol. In the polyurethane ink resin provided by the invention, the dihydric alcohol for preparing the polyester polyol comprises the dihydric alcohol, and the dihydric alcohol is a macromolecule and usually contains a non-polar chain segment, so that the molecular polarity of the polyurethane ink resin can be changed, the polarity difference between the polyurethane ink resin and the solvent-free glue is increased, and the structural similarity between the polyurethane ink resin and the solvent-free glue is reduced; therefore, the ink dissolution resistance of the polyurethane ink resin to solvent-free glue can be improved, and the pigment dispersity and covering performance of the ink and the adhesive force of the ink to a base material can be further improved.

The invention discloses a preparation method of a high-performance organic pigment for water-based printing ink, which comprises the following steps: dispersing an organic pigment in deionized water, and adding an emulsifier to prepare an organic pigment dispersion liquid; adding a hydrophilic monomer and a cross-linking monomer into the organic pigment dispersion liquid, stirring, uniformly emulsifying, adding an initiator, and stirring to react; after the reaction is finished, cooling, centrifuging and washing to obtain a first layer of coated organic pigment; the preparation method comprises the following steps: mixing a hydrophobic monomer and a functional monomer, and adding an emulsifier and deionized water to prepare microemulsion; dispersing the first-layer coated organic pigment in deionized water, dropwise adding the microemulsion and an initiator, and stirring for reaction; and after the reaction is finished, cooling, centrifuging, washing and drying to obtain the high-performance organic pigment for the water-based printing ink. According to the method disclosed by the invention, the performance of the organic pigment is optimized through a double-layer coating structure, so that the organic pigment has the advantages of dispersity, light resistance, high tinting strength, water and oil resistance and acid and alkali resistance.

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 invention relates to the technical field of pigments, in particular to a high-weather-resistance polymer coated pigment and a preparation method thereof. The method comprises the following steps: treating an organic pigment dispersion liquid by using a polymer monomer and a functional additive to obtain a pigment-polymer monomer miniemulsion; heating and initiating free radical polymerization reaction to obtain a polymer coated pigment emulsion; and then carrying out separation treatment, wherein the functional additive comprises a free radical initiator. According to the method, the organic pigment is coated with a polymer monomer through free radical polymerization reaction of miniemulsion to form a unique microcapsule structure, so that the influence of oxygen, water vapor and a solvent in an external environment can be avoided, and ultraviolet light can be shielded; the separation treatment step enables the polymer coated pigment to have a uniform particle size, so that the polymer coated pigment also has good dispersibility in an oily solvent. The polymer coated pigment has good weather resistance and tinting strength, and is low in chromatic aberration in the aging process.

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 belongs to the technical field of organic dyes, and particularly discloses a high-dispersity phthalocyanine pigment and a preparation method thereof. The preparation method of the phthalocyanine pigment comprises the following steps: (1) ultrasonically dispersing a silane coupling agent and graphene oxide in a solvent to prepare modified graphene oxide; and (2) dispersing the modified graphene oxide, polyethylene glycol and a copper phthalocyanine pigment in an organic solvent, and carrying out a heating reaction to obtain the high-dispersity phthalocyanine pigment. Organophilic groups in the long straight carbon chain silane coupling agent can be physically wound with copper phthalocyanine organic molecules, so that the graphene oxide is bonded with an interface of the copper phthalocyanine pigment, and the capability of dispersing the copper phthalocyanine pigment by the graphene oxide is greatly improved. The molecular structure of the polyethylene glycol has a plurality of oxygen-containing anchoring functional groups, so that the defects of the modified graphene oxide dispersing agent can be made up, the spatial repulsive force among copper phthalocyanine pigment particles is enhanced, and the dispersion stability of the copper phthalocyanine pigment is enhanced.

To provide a method for producing a pigment composition that enables stable pigment dispersion and allows the preparation of a coloring composition capable of forming an image such as a pixel with a high contrast ratio, and a pigment composition produced by the production method.SOLUTION: The present invention provides a method for producing a pigment composition that includes the step of mixing a pigment component containing an organic pigment such as a quinophthalone-based pigment and a pigment sulfonic acid derivative, and a silane coupling agent with an amino group, in the presence of water. The present invention also provides a pigment composition produced by the production method.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.