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904results about "Pigmenting treatment" patented technology

Superconductive carbon black co-production method based on directional refining of catalytic slurry oil and product of superconducting carbon black co-production method

The invention discloses a superconducting carbon black co-production method based on directional refining of catalytic slurry oil and a product thereof, and belongs to the technical field of carbon black preparation, and the method comprises the following steps: mixing the catalytic slurry oil and catalytic circulating oil to obtain mixed slurry oil, and adding a deliming agent for settling separation to obtain purified slurry oil; carrying out continuous solvent extraction on the obtained purified oil slurry to respectively obtain an aromatic component and a heavy component; carrying out thermal polycondensation reaction on the obtained aromatic component in a magnetic field environment in the presence of a catalyst and a cross-linking agent, and then carrying out supercritical fluid extraction to obtain spinnable mesophase pitch; carrying out slurry reactor hydrogenation deconstruction on the obtained heavy component to obtain stable micromolecular carbon black raw oil, mixing the carbon black raw oil with a nitrogen source and a template precursor, carbonizing, and carrying out acid pickling to obtain the superconducting carbon black; through a heavy oil slurry reactor hydrogenation deconstruction'doping-template 'synergistic carbonization strategy, the superconductive carbon black with nitrogen / phosphorus co-doped and developed hierarchical porous structure is constructed in situ by a one-step method.
Owner:WANGDA GRP CO LTD +1

Special carbon black with high specific surface area and preparation method thereof

The invention relates to the technical field of carbon black materials, and discloses special carbon black with high specific surface area and a preparation method thereof, and the special carbon black is prepared by pyrolysis and activation treatment of a precursor mixture, a catalyst and a template agent. The precursor mixture contains a biomass refined product, waste polymer pyrolysis oil and a copolymer template agent, and the performance is optimized through a rotating flow field high-temperature reactor and a microwave-assisted activation process. The carbon black has a hierarchical porous structure, the specific surface area reaches 2000-2500m < 2 > / g, the conductivity is improved by 1-2 orders of magnitude, and the chemical properties can be regulated and controlled through surface functionalization. The low-cost and sustainable production is realized, the mechanical strength, the conductivity and the adsorption performance are remarkably improved, and the requirements of the high-end field are met.
Owner:SHANGHAI XUANDIAN NEW MATERIALS CO LTD

NiCu-based alloy catalyst for preparing high-value product from natural gas through decarbonization and application of NiCu-based alloy catalyst

The invention discloses a NiCu-based alloy catalyst for preparing high-value products through natural gas decarbonization and application of the NiCu-based alloy catalyst, and belongs to the technical field of natural gas high-value catalytic conversion. The preparation method of the NiCu-based alloy catalyst comprises the following steps: (1) adding nickel nitrate hexahydrate and urea into hot water, adding ethylene glycol, carrying out a stirring reaction at 120-150 DEG C, and calcining the obtained intermediate to obtain a nickel oxide precursor; (2) adding a copper nitrate aqueous solution and ammonia water into the nickel oxide precursor, so that copper ions are anchored on the surface of nickel oxide, drying and calcining to obtain a Ni-Cu alloy oxide precursor; and (3) adding the Ni-Cu alloy oxide precursor, bismuth trioxide and metallic tin into deionized water, adding a complexing agent, carrying out ultrasonic treatment, and carrying out H2 reduction calcination on the obtained precipitate to obtain the Ni < x > Cu < y > Bi < z > Snm alloy. The NiCu-based alloy catalyst is used in a natural gas decarburization high-value product preparation reaction, and the natural gas decarburization reaction is sufficient, and long-term efficient conversion and stable operation are achieved by combining the synergistic effect of ultrasonic waves and an alternating magnetic field.
Owner:SOUTHWEST PETROLEUM UNIV

High-reflectivity high-entropy rare earth phosphate radiation refrigeration pigment and preparation method thereof

The invention relates to a high-reflectivity high-entropy rare earth phosphate radiation refrigeration pigment, the high-entropy rare earth phosphate radiation refrigeration pigment has a monazite phase with a monoclinic system structure, the chemical formula of the pigment is (A1xA2yA3zA4uA5v) PO4, A1, A2, A3, A4 and A5 are any five rare earth cations of La, Ce, Yb, Gd, Nd and Eu, the cations are in an equimolar ratio, and x, y, z, u and v meet the condition that x + y + z + u + v = 2. Meanwhile, the invention also discloses a preparation method of the high-entropy rare earth phosphate radiation refrigeration pigment. The high-entropy rare earth phosphate radiation refrigeration pigment has high infrared emissivity in air, the emissivity reaches 0.90 or above within the wave band of 8-13 microns, the solar reflectivity reaches 0.93 or above within the wave band of 0.3-2.5 microns, and the high-entropy rare earth phosphate radiation refrigeration pigment has wide application prospects in the fields of building energy conservation, urban heat island effect reduction, photovoltaic power generation efficiency improvement and the like.
Owner:LANZHOU INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES

Carbon black reaction furnace based on temperature control and optimized production and preparation process

The invention relates to the technical field of high-temperature industrial equipment manufacturing, and discloses a carbon black reaction furnace based on temperature control and an optimized production preparation process, the carbon black reaction furnace comprises the steps of raw material pretreatment, multi-temperature zone cracking reaction, quenching termination reaction, carbon black collection and tail gas cyclic utilization, and by designing a multi-temperature zone cooperative temperature control mechanism and combining a dynamic temperature compensation technology, the carbon black reaction furnace is optimized. The uniformity and the stability of thermal field distribution in the reaction furnace are improved, the problem of non-uniform reaction caused by temperature gradient of a traditional device is solved, the nucleation and growth process of the carbon black is carried out in a highly controllable thermal environment, and a guarantee is provided for obtaining products with highly uniform particle sizes; on-line monitoring and closed-loop feedback control are constructed, real-time sensing and intelligent regulation and control of key process parameters are achieved, fluctuation in the production process is inhibited in time, it is guaranteed that reaction conditions are always in the optimal interval, and therefore the consistency of product quality and the reliability of process operation are improved.
Owner:JIAYUGUAN DAYOU JIANENG FINE CARBON TECH CO LTD

Magnesium oxide

Magnesium oxide is provided. When magnesium oxide is dispersed in water at a ratio of 16 g of magnesium oxide per 100 g of water, the relaxation time of TD-NMR at 40°C satisfies the requirement of 1000 milliseconds or less.
Owner:KONOSHIMA CHEMICAL CO LTD

Weather-resistant pearlescent pigment as well as preparation method and application thereof

The invention discloses a weather-resistant pearlescent pigment and a preparation method thereof. The weather-resistant pearlescent pigment comprises a pearlescent pigment of which the outer surface is coated with a protective layer, the main component of the protective layer is silicon dioxide, and the protective layer is combined with the pigment substrate in a covalent bond form; and the protective layer is formed by curing polysilazane. The invention also discloses a color coating composition containing the weather-resistant pearlescent pigment, a cured coating, and a glass panel and a photovoltaic module containing the cured coating. According to the weather-resistant pearlescent pigment, a high-hardness silicon dioxide protection layer is formed on the surface of a common pearlescent pigment, and the weather resistance of the pearlescent pigment is remarkably improved.
Owner:HANGZHOU KEWANG SPECIAL INK CO LTD +1

Method for improving breakdown field strength of polyethylene based on nano-particles grafted with voltage stabilizer

The invention relates to a method for improving a breakdown field strength of polyethylene based on nano-particles grafted with a voltage stabilizer, comprising: 1) dehydration and condensation of nano-particles; 2) carboxyl activation of SDA; 3) grafting with SDA; and 4) preparation of modified nano-composite material. According to the invention, a surface of the nano-particles is modified by an organic group while improving a migration resistance capacity of the voltage stabilizer, and the obtained nano-particles grafted with the voltage stabilizer are doped into a polymer matrix material, so that an electrical property of the matrix material can be improved by both the nano-particles and the voltage stabilizer, and the improvement is stable; and a polyethylene nano-composite material with a significantly improved breakdown field strength can be obtained, thus improving an electrical property of an insulating material, and being beneficial for ensuring the stability of long-term operation of the insulating material.
Owner:TIANJIN UNIV

Dispersion of fluoride particles, composition for forming optical films, and optical film

To provide a liquid dispersion of fluoride particles, the dispersion having excellent dispersibility, being suitable for production of an optical film such as an anti-reflection film, and having a refractive index lower than that of magnesium fluoride, for example; a composition for forming an optical film; and an optical film.SOLUTION: A liquid dispersion of fluoride particles according to the present invention comprises fluoride particles, an anionic surfactant as a dispersing agent for the fluoride particles, and an organic solvent. The fluoride particles contain, in the compositional makeup thereof, at least aluminum and an alkali metal, and an alkaline-earth metal as an arbitrary element, and are dispersed in the organic solvent.SELECTED DRAWING: None
Owner:STELLA CHEMIFA CORP

Luminescent composition, coloured luminescent composition, method for preparing same and uses thereof

The invention relates to a method for preparing a saturated luminescent composition or a saturated and colored luminescent composition. The method comprises a saturation step 100 of a luminescent pigment with a saturation composition adapted to penetrate the microcavities of the luminescent pigment. The saturation step 100 comprises a mixing substep 110 and a holding substep 120, the saturation step yielding a saturated luminescent pigment. The method then comprises a mixing step 200 of the saturated luminescent pigment with a carrier composition to obtain a saturated luminescent composition.
Owner:SACRE +1

Carbon black derived from particulate feedstock

The invention relates to a method for producing carbon black in an entrained-flow reactor by using a particulate carbonaceous feedstock.
Owner:ORION ENGINEERED CARBONS IP GMBH & CO KG

A method and system for high pressure steam acetylene carbon black prilling

The application provides a high-pressure steam acetylene black granulation method and system, which comprises a soaking device, a cooling device and a granulation device. First, acetylene black and high-pressure steam are fed to be mixed and soaked; the soaked acetylene black is cooled to a first temperature; and the cooled acetylene black is granulated by feeding a granulation medium, and the temperature of the granulation medium is a second temperature; wherein the first temperature is 50-90 DEG C, and the second temperature is 50-90 DEG C. The acetylene black is mixed with the high-pressure steam, the high-pressure steam is soaked into the acetylene black after mixing, the soaked acetylene black is cooled to the first temperature, the cooled acetylene black is granulated by feeding the granulation medium, the temperature of the granulation medium is the second temperature, and experiments show that, by cooling the acetylene black soaked with the high-pressure steam to a temperature equal to or close to the temperature of the granulation medium, the oil absorption value of the granular acetylene black can be increased from 240 ml / L to 268 ml / L, and the use range of the acetylene black is expanded.
Owner:NINGXIA JINHAIWORLD TECH CO LTD

Magnesium oxide

Provided is a magnesium oxide. This magnesium oxide, when being made into an aqueous dispersion containing the magnesium oxide at a proportion of 16 g per 100 g of water, exhibits a relaxation time satisfying 1000 milliseconds or less in TD-NMR at 40°C.
Owner:KONOSHIMA CHEMICAL CO LTD

Colored solar cells containing effect pigments.

The present invention relates to a coloured solar cell or solar cell module comprising two or more transparent front cover layers each containing effect pigments of a different colour, and a method for making same.
Owner:MERCK PATENT GMBH

Efficient granulation device for carbon black production

The utility model relates to the technical field of granulation devices, and discloses an efficient granulation device for carbon black production, which comprises a granulation device body, the top of the granulation device body is provided with a material storage box, the top of the material storage box is provided with a through groove, two sides of the through groove are both provided with fixing columns, and the two fixing columns are both fixedly connected with the top of the material storage box. Sliding grooves are formed in the adjacent sides of the two fixing columns, a sliding seat is slidably connected between the two sliding grooves, a stirring assembly is arranged on the sliding seat, a rack is fixedly connected to the inner wall of the through groove, a discharging opening is formed in the bottom of the storage box, and connecting blocks are arranged on the two sides of the discharging opening. According to the utility model, the air cylinder drives the quantitative barrel and the material blocking plate to reciprocate, so that the output and the speed of the carbon black material at each time can be conveniently kept to be approximately the same degree, and therefore, the carbon black can be fed into the granulator in a timing and quantitative manner, so that the production quality is improved, and the production cost is reduced.
Owner:SHANGHAI XUANDIAN NEW MATERIALS CO LTD

Waste tire cracking utilization device

The invention relates to the technical field of tire treatment equipment, in particular to a waste tire cracking utilization device which comprises a cracking box, an upper cover is rotatably arranged at the upper end of the cracking box, a locking structure is arranged on the upper cover, and a cracking chamber for cracking waste tires is arranged in the cracking box. A heating mechanism for heating waste tires is arranged on the cracking chamber, an oil collecting tank matched with the heating mechanism is arranged at the lower end of the cracking chamber, a plugging mechanism matched with the oil collecting tank is arranged in the cracking chamber, and an upper cover is fixed by arranging a locking structure. The upper cover and the feed port of the cracking box form a sealing structure to prevent air permeation, and the plugging mechanism is arranged to plug the cracking chamber to form a sealing structure, so that air cannot enter the cracking chamber during reaction, the cracking chamber can be in an anoxic state, and liquid oil, gas and solid carbon black produced by cracking reaction are good in quality. The production efficiency is high.
Owner:TONGREN SOUTHWEST CEMENT CO LTD

Functional nanoparticle premix, method of obtaining the premix, method of altering properties of a material, and material having altered properties

PendingCN122122234APigmenting treatmentMaterial nanotechnologyNanotechnology TechniquesPolymer
The present invention is in the field of materials engineering and nanotechnology. More specifically, the present invention discloses: a functional premix comprising nanoparticles and a carrier or compatibilizer; a method of obtaining the premix; a method of altering the properties of a material; and a modified material formed with improved properties. Unexpectedly, the premix of the present invention can be used to alter the properties of different kinds of materials, such as polymers, metals, ceramic materials, and / or composites of different materials. The premix of the present invention has numerous advantages in terms of transportation, use, and incorporation of nanoparticles into different materials. In one embodiment, the present invention provides significant modification of the properties of polymers and, in fact, breaks the existing concepts in this technical field. In another embodiment, the present invention provides advantages in altering the properties of metals and / or ceramic materials.
Owner:INSTITUTO HERCILIO RANDON

Thermally self-sustained system and method of continuous combustion and gasification for transforming pieces of waste without pre-crushing

PCT designated stageWO2026081027A1Pigmenting treatmentSolid waste disposalAntechamberCombustion chamber
The present invention relates to a thermally self-sustained system of continuous combustion and gasification (1), capable of converting different-sized solid waste, ranging from small particles to large volumes having a diameter even larger than 4 metres, into reusable energy resources. The system comprises a gasification multi-chamber (10) to simultaneously process more than one unit of waste (A), said multi-chamber integrally and consecutively comprising a drying and preheating antechamber (11) to reduce the moisture content of the unit of waste (A), a gasifying chamber (12) for gasifying the preheated unit of waste (A), and a cooling chamber (13) for cooling a gasified unit of waste (A). The chambers can be hermetically sealed by a set of airtight gates (161, 162, 163, 164) that operate in coordination with each other. The gasifying chamber (12) comprises, at the bottom of side walls, at least one section with gasifying agent insufflation openings, which can be axially coupled, inside the gasifying chamber (12), to distributing chambers (21) for distributing the gasifying agent, said distributing chambers being comprised in movable conveying grids (20) on a circuit of rails (50) to transfer the units of waste (A). The invention further comprises a derived gas combustion subsystem (30), which comprises a continuous combustion chamber (31), and an ejector component (32) which extracts the derived gas from the gasifying chamber (12) and injects it into said continuous combustion chamber (31) under controlled flow conditions.
Owner:CIRQLAR SA

Composition including dual cavity color shifting pigments

A composition including a dual cavity color shirting pigment and a single cavity color shifting pigment is disclosed. A method of making the composition is also disclosed.
Owner:VIAVI SOLUTIONS INC(US)

COLOR-NEUTRAL RUTILPIGMENT PARTICLE

ActiveDE602023008323T2Pigmenting treatment
Owner:KRONOS INTERNATIONAL INC

Preparation method of high-dispersion titanium dioxide

The invention discloses a preparation method of high-dispersion titanium dioxide, which comprises the following steps: S1, pulping a titanium dioxide base material, and then sequentially sanding, vibratory screening and cyclone classification; s2, inorganic coating; s3, carrying out solid-liquid separation on the slurry subjected to inorganic coating, washing with water, adding water and hydroxyl-containing polyatomic acid, and pulping again; s4, sanding again; s5, heating, adding a first organic treatment agent, and carrying out microwave treatment; and S6, carrying out solid-liquid separation on the slurry, drying, carrying out steam grinding, and adding a second organic treatment agent during steam grinding, so as to obtain the high-dispersion titanium dioxide. According to the method, firstly, the slurry before coating is specially treated to remove large particles, then the filter cake after coating and washing is re-pulped, the hydroxyl-containing polyatomic acid is adopted for pretreatment, and sanding and microwave treatment are combined, so that the organic treatment agent is bridged on the surface of titanium dioxide more stably, the titanium dioxide slurry is completely prevented from forming aggregates before being dried, and the service life of the titanium dioxide slurry is prolonged. Therefore, the high-dispersion titanium dioxide is prepared.
Owner:LOMON BILLIONS GRP CO LTD +1

Method for preparing iron oxide red through chlorination separation of iron-containing alloy for improving chlorine utilization rate and application

The invention provides a method for preparing iron red by chloridizing and separating an iron-containing alloy and application, and the method comprises the following steps: adding a chlorinating agent into the iron-containing alloy for roasting to obtain roasting slag and roasting flue gas; introducing a first oxidizing gas into the roasting flue gas, and performing primary roasting transformation to obtain a solid and a first mixed gas; introducing a second oxidizing gas into the solid, and carrying out secondary roasting transformation to obtain the iron oxide red and a second mixed gas; wherein the first mixed gas comprises chlorine and ferric oxide gas; the second mixed gas comprises oxygen and chlorine. The method has the characteristic of short flow, realizes zero emission through chlorine medium closed-loop circulation, has the advantages of environmental friendliness and process advancement, and is suitable for large-scale industrial production.
Owner:CENT SOUTH UNIV +1

Polypropylene (PP)-CaCO3 master batch in PET fibers

The present invention relates to a polypropylene-based master batch comprising 15-35% by weight, based on the total weight of the polypropylene-based master batch, of a polypropylene having a melt flow rate MFR (230 DEG C, 230 DEG C, 230 DEG C) of 15-50 g / 10 min measured according to ISO 1133. 2.16 kg) and 65-85% by weight, based on the total weight of the polypropylene-based masterbatch, of a surface-treated filler material product comprising at least one heavy calcium carbonate-containing filler material; a polyester fiber composition comprising the polypropylene-based master batch; a polyester nonwoven or filament formed from the polyester fiber composition; the invention also relates to a method for preparing the polyester nonwoven or filament and to the use of the polypropylene-based masterbatch in the production of polyester nonwoven or filament and to articles formed from polyester nonwoven or filament.
Owner:OMYA INT AG

Metal effect pigment preparation for powder coatings

PendingEP4702098A1Pigmenting treatmentInks
The invention relates to a metal effect pigment preparation in a granulate form in powder coatings, wherein the metal effect pigment preparation has metal effect pigments which have optionally one or more metal oxide and / or metal hydroxide and / or metal oxide hydrate layers on a metal core, a binder selected from a cellulose, a cellulose derivative, a starch, a starch derivative, or mixtures thereof, and a surface-active additive. The invention additionally relates to a method for producing the powder coatings.
Owner:SCHLENK METALLIC PIGMENTS GMBH

Methods and processes for the use of calcium- and magnesium-bearing oxides, hydroxides, and silicates; calcium- and magnesium-bearing aqueous streams to capture, convert, and store carbon dioxide and produce hydrogen

The present disclosure relates to methods for producing hydrogen and calcium- or magnesium-bearing carbonates by capturing, converting, and storing carbon dioxide. The methods may include providing one or more calcium- or magnesium-bearing compounds; providing one or more water-soluble oxygenates; providing a plurality of catalysts; and reacting one or more calcium- or magnesium-bearing compounds and one or more water-soluble oxygenates with plurality of catalysts under conditions to produce hydrogen and calcium- or magnesium-bearing carbonates. The methods may include providing one or more calcium- or magnesium-bearing silicates; providing carbon monoxide; providing water vapor; and reacting one or more calcium- or magnesium-bearing silicates, carbon monoxide, and water vapor. The methods may include providing one or more calcium- or magnesium-bearing compounds; providing one or more water-soluble oxygenates; providing a catalyst; and reacting one or more calcium- or magnesium-bearing compounds and one or more water-soluble oxygenates with said catalyst.
Owner:CORNELL UNIVERSITY

Carbon black, carbon black production method, compistion for electrode, electrode, and secondary battery

Carbon black in which an oil absorption amount is 150 mL / 100 g or more and 400 mL / 100 g or less and an iron content that is measured by induced coupled plasma-mass spectrometry is 500 ppb or less.
Owner:DENKA CO LTD

Recycled carbon black, mixture of recycled carbon black and liquid polymer, rubber composition, and rubber product

To address a problem of providing recovered carbon black capable of maintaining the physical properties of a rubber composition even when reused in the rubber composition, and also providing a mixture of such recovered carbon black and a liquid polymer, a solution is: recovered carbon black obtained by decomposition of crosslinked rubber containing diene rubber and carbon black, wherein an organic component remaining in the recovered carbon black after toluene washing is 5 mass% or more; and a mixture of such recovered carbon black and a liquid polymer, wherein the liquid polymer has a weight-average molecular weight of 300,000 or less.
Owner:BRIDGESTONE CORP +2

Environment-friendly oxidized carbon black production equipment

The utility model relates to environment-friendly oxidized carbon black production equipment, which comprises a fluidized bed reactor taking inert gas as airflow, and a nitric acid spray assembly for adding nitric acid spray into the fluidized bed reactor, and the nitric acid spray assembly comprises a spray head entering the fluidized bed reactor and a storage tank, the gas outlet end of the fluidized bed reactor is communicated with a nitric acid collector for recovering nitric acid and nitric oxide; the nitric acid collector is communicated with the storage tank through a pipeline and a valve. Oxidized carbon black is produced by combining a gas phase method and a liquid phase method, carbon black particles are placed on the fluidized bed to float, and then nitric acid is sprayed for reaction, so that the reaction temperature can be controlled by accurately controlling the spraying amount of the nitric acid, the influence on the internal structure of the carbon black due to over-high local temperature is prevented, and the service life of the carbon black is prolonged. The nitric acid collector is arranged to recover unreacted nitric acid and nitric oxide, so that nitric oxide is regenerated into nitric acid and reused, and pollution of exhausted gas to the atmosphere is reduced.
Owner:INNER MONGOLIA XUYANG NEW MATERIALS CO LTD