33 results about "Ceramic colorants" patented technology

The invention relates to the technical field of ceramic ink jetting, in particular to ceramic ink-jet ink with low viscosity and a preparation method thereof. The ceramic ink-jet ink comprises the following component according to weight percentage: 35-60 percent of ink diluent, 30-55 percent of ceramic colorant, 0.5-4 percent of ink auxiliary agent and 0.5-10 percent of resin. The ceramic ink-jet ink has low viscosity and low surface tension, is applicable to an ink printing spray head with high precision, and can be applied to a Sayre 1001-type spray head and an American north star 512-type spray head; the ink does not contain water, so that the ink does not corrode a spray head of an ink-jet printer in the using process and the service life of the spray head can be obviously prolonged. The preparation method of the ceramic ink-jet ink comprises the following steps of primarily grinding by using a ball mill and performing refined grinding by using a sand mill, so that the production cost is greatly saved, and the preparation method of the ceramic ink-jet ink is efficient.

A range of processes is described herein for the preparation of a range of gold nanoparticle (Au NP) ceramic glazes with traditional firing methods that represents significant efficiency and ecological advancements over existing methods and allows for the replacement of commercial ceramic colorant methods, while retaining the costly equipment and firing methods already used. The process allows for ceramic surface color while breaking standards for minimal amounts of transition metal colorant used. The nanoparticle-based glazes described here add new colors to the known ceramic surface palette and offers greater consumer safety as an alternative to existing coloring processes that use higher concentrations of toxic metal and an increased risk of metal leaching from the final ceramic vessel into its contents (e.g., soil, beverage, food).

The invention discloses an organic network preparation method of ferrozirconium red zirconia nano-composite ceramic powder. The organic network preparation method comprises the following steps: mixing polyvinyl alcohol with water, heating, stirring, standing, and cooling to the room temperature, so as to obtain an organic network precursor solution; sequentially adding zirconium oxychloride, iron nitrate nonahydrate, silica sol and glutaraldehyde while stirring so as to generate Zr<4+> and coloration ion / organic network gel; after standing, soaking in ammonia water, washing with deionized water until the mixture is neutral, and drying and crushing to generate dry gel powder; calcining so as to obtain the ferrozirconium red zirconia nano-composite ceramic powder. According to the organic network preparation method, ceramic colorant pigments and zirconia ceramic powder are mixed at nano scale, the uniform degree of the mixture of the pigments and the ceramic raw material powder is greatly increased, the sintering temperature of composite powder is decreased, sintered red zirconia ceramic is high in strength and good in color generation, and the influences of carbon residues generated after the combustion of organic matters on the purity of the ferrozirconium red zirconia powder are reduced.

The invention discloses a method for preparing a vanadium-titanium tailings ceramic heat-collecting plate. The method is characterized in that the vanadium-titanium tailings ceramic heat-collecting plate is composed of three parts, namely a heat collecting layer (1), a transition layer (2) and a heat preservation layer (3). According to the vanadium-titanium tailings ceramic heat-collecting plate prepared in accordance with the method disclosed by the invention, light waves with various frequencies can be sufficiently captured under the sunlight irradiation, so that the surface temperature of the vanadium-titanium tailings ceramic heat-collecting plate reaches 100 DEG C, and the heat conversion capability can reach more than 95%; the transition layer is additionally arranged between the heat collecting layer and the heat preservation layer by means of single firing, so that the disadvantages of overlarge diameters of air holes as well as reduced combination strength and thermal impact resistance caused by inconsistent material melting points of the heat collecting layer and the heat preservation layer are effectively overcome; the vanadium-titanium tailings ceramic heat-collecting plate with various colors, such as single color and composite color, can be prepared by means of adding a ceramic colorant; the production technology is simple, the cost is low, and the heat collecting efficiency is good.

The invention discloses a method for preparing a red mud-expanded perlite multi-face colored decoration lightweight wall material. The red mud-expanded perlite multi-face colored decoration lightweight wall material is characterized by consisting of three parts, namely a colored decoration layer (1), a transition layer (2) and a thermal insulation layer (3). The red mud-expanded perlite multi-face colored decoration lightweight wall material disclosed by the invention is subjected to once-firing, and the transition layer is added between the colored decoration layer and the thermal insulation layer, so that the defects that the pore diameter is extremely large and the bonding strength and thermal shock resistance are reduced between the colored decoration layer and the thermal insulation layer due to inconsistent melting points of materials are effectively overcome. Ceramic colorants are added, so that interior and exterior wall decoration materials of a single color, composite colors and various colors and patterns are prepared, and extra decoration is not needed. The method is simple in production process and low in cost and has a good building heat preservation effect and energy-saving and environment-friendly effects, and the produced red mud-expanded perlite multi-face colored decoration lightweight wall material integrates multiple functions such as decoration, heat preservation, heat insulation, sound insulation, shock resistance and the like.

The invention discloses a method for coloring the surface of a ceramic body and a ceramic colorant. The method comprises the following steps of: (1) spraying the colorant on the surface of the ceramic body, wherein the raw materials of the colorant comprise water, a chemical material, a ceramic pigment and a suspension stabilizer, and the chemical material is one or a combination of a low-temperature bright flux, a high-temperature non-luminous material and an opacifier; (2) drying the ceramic body sprayed with the colorant; and (3) burning the dried ceramic body at a high temperature to obtain a product, wherein the raw materials of the colorant comprise water, a chemical material, a ceramic colorant and a suspension stabilizer. The used colorant disclosed by the invention mainly contains water, also contains a little of chemical material and ceramic pigment, and is sprayed on the surface of the ceramic body; the spraying amount is less; and the cost is very low and the process is very simple compared with the existing glazing method.. The colorant is sprayed on the surface of the ceramic body; the product can completely keep the modular surface effect of the ceramic body before being sprayed with the colorant; and concave and convex outlines of the modular surface are clearer and sharper, and the effect of imitating stone is vivid.

The invention discloses a production method for an environmentally friendly, cheap and stable ceramic colorant which is a ferrosilicon red ceramic colorant. The key point of the method is: lanthanum carbonate is introduced into a formulation and is used to effectively and completely enwrap ferric oxide together with silicon dioxide through high-activity lanthana decomposed from the lanthanum carbonate at a temperature of 900 DEG C and the property of having a greater atomic radius of the lanthanum carbonate, thereby enabling the ferric oxide to show stable colors without impacts from ambient surroundings. In addition, the ferrosilicon red ceramic colorant adapted to different temperatures is manufactured through changing the processing conditions.

The invention relates to a method for preparing a hydrophilic dry-mixed colorant applied to an entire-body large-size ceramic sheet material. The method comprises the steps: (1) treating raw materials, wherein the raw materials comprise colorants, a color supporting matrix and a mineralizer with the particle size of 200 to 400 meshes, and a dispersant is premixed according to a formula for later use; (2) proportioning and mixing the raw materials: subjecting various ceramic colorants to weighing and matching, then, loading the mixture to a mill for crushing, and carrying out mixing, drying andscreening; (3) carrying out saggar loading and firing: loading the uniform-mixed and dried green stock to a refractory saggar for calcining according to colorant requirements; (4) carrying out saggardischarging, coarse breaking and fine crushing: carrying out coarse breaking and fine crushing according to set fineness after a calcined matrix colorant is discharged from the saggar, and carrying out fine milling or stirring milling with a ball mill until the fineness is 325 meshes; (5) carrying out repeated washing with hot and cold water or diluted hydrochloric acid until a required pH valueis achieved, carrying out separating, and then, carrying out drying, powdering and screening until the fineness is 325 meshes, wherein the moisture content after drying is lower than 0.5%; and (6) adding 1% to 3% of dispersant, carrying out mixing modification with a three-dimensional mixer or airflow mill, and carrying out packaging and warehousing.

The invention discloses a color material for ceramic ink-jet printing and a preparation method thereof. The preparation method comprises the following steps of A, mixing a color material raw material and oxysalt composite fluxing agent with water to prepare a solution; B, uniformly stirring and heating the solution at the temperature of 150 to 500 DEG C, and preserving the heat for 1h to 3h; C, naturally cooling reactant to the room temperature after the heat preservation is completed, adding deionized water for washing and filtering the reactant to obtain solids; D, drying the solids, and calcining the solids to prepare a color material finished product, wherein the drying temperature is 100 to 150 DEG C, and the calcining temperature is 900 to 1100 DEG C. The color material particle is in similar spherical shape, solid, small in granularity and narrow in granularity distribution, and the principal crystalline phase is not deviated in chemometry; after the color material is ground into sub-micrometer, the regular appearance of the color material still can be maintained; the ink prepared by utilizing the color material is good in stability and color development, and the ink is free from abrading and blocking a nozzle in real production.

The invention discloses a preparation method of an ultra-fine packaged cadmium sulfide selenide ceramic pigment. The steps are: 1) dissolving cadmium salt and surfactant in water to obtain solution A, dissolving sodium sulfide and selenium in water to obtain alkaline solution, dropping solution A into the alkaline solution to obtain cadmium sulfide selenide precursor, and then Carry out hydrothermal reaction to obtain dispersed cadmium sulfide selenide; 2) add water glass solution to acid solution, control pH to obtain silicic acid solution; 3) add dispersed cadmium sulfide selenide to zirconium oxychloride dispersion liquid, add silicon Acid solution, adjust the concentration of silicon ions and zirconium ions, adjust pH, and heat to obtain gel; 4) After drying the gel, mix it with a mineralizer, and calcine to obtain an ultra-fine packaged cadmium sulfide selenide ceramic colorant . The particle size D100 of the colorant prepared by the method is less than 1.3 μm, and the controllable and reproducible conditions of the method are very good, which is very suitable for large-scale production.

The invention discloses a method for preparing a nickel slag ceramic heat collection panel. The nickel slag ceramic heat collection panel is characterized by consisting of three parts, namely a heat collection layer (1), a transition layer (2) and a thermal insulation layer (3). According to the nickel slag ceramic heat collection panel disclosed by the invention, light waves of each frequency can be fully captured under irradiation of sunlight, so that the surface temperature of the urban sludge ceramic heat collection panel is 100 DEG C, and the thermal conversion capacity can be over 95 percent. With the adoption of once-firing, the transition layer is arranged between the heat collection layer and the thermal insulation layer, so that the defects that the pore diameter is extremely large and the bonding strength and thermal shock resistance are reduced between the heat collection layer and the thermal insulation layer due to inconsistent melting points of materials are effectively overcome. Ceramic colorants are added, so that nickel slag ceramic heat collection panels of various colors such as a single color and composite colors can be prepared, the production process is simple, the cost is low, and the heat collection effect is good.

The invention relates to a nano-vanadium-zirconium blue ceramic colorant and a preparation method thereof. The nano-vanadium-zirconium blue ceramic colorant is made of the following raw materials in parts by weight: 8-15 parts of vanadium pentoxide, 30-50 parts of zirconium oxychloride 30-45 parts of sodium silicate, 25-40 parts of acid or strong acid and weak base salt, 1-2.5 parts of sodium chloride and 1-2.5 parts of sodium fluoride; the present invention uses sodium silicate, zirconium oxychloride, hydrogen Sodium oxide, vanadium pentoxide and acid or strong acid and weak base salt were used as initial raw materials, and water was used as solvent to synthesize vanadium-zirconium blue gel precursor by sol-gel method, and sodium chloride and sodium fluoride were used as composite minerals A nano-vanadium-zirconium blue ceramic pigment was prepared by low-temperature sintering; the obtained pigment has pure color tone, low firing temperature, low energy consumption, low-cost and easy-to-obtain raw materials, simple and easy-to-control production process, and the solvent environment used Friendly, the product is loose and easy to powder, the color rendering effect is good, and it is convenient for industrial production. It is an ideal color material for the production and firing of high-quality ceramic products.

The invention discloses a production method for an environmentally friendly, cheap and stable ceramic colorant which is a ferrosilicon red ceramic colorant. The key point of the method is: lanthanum carbonate is introduced into a formulation and is used to effectively and completely enwrap ferric oxide together with silicon dioxide through high-activity lanthana decomposed from the lanthanum carbonate at a temperature of 900 DEG C and the property of having a greater atomic radius of the lanthanum carbonate, thereby enabling the ferric oxide to show stable colors without impacts from ambientsurroundings. In addition, the ferrosilicon red ceramic colorant adapted to different temperatures is manufactured through changing the processing conditions.

The invention discloses a sintered glass ceramic colorant, which includes a colorant and a solvent; the colorant is composed of soluble salts of Er, Pr, Al and Fe(III), and Er 3+ 、Pr 3+ 、Al 3+ and Fe 3+ The molar ratio is (1-3.9): (0.2-0.6): (0.3-1.1): (0.1-0.7); The solvent is selected from water or alcohol or a mixture thereof. The dental prosthesis prepared by using the sintered glass-ceramic colorant of the invention has good hardness and an appearance close to natural teeth.

The preparation method of red mud expanded perlite decorative and thermal insulation integrated light wall material is characterized in that: the red mud expanded perlite decorative thermal insulation integrated light wall material is formed by extruding red mud expanded perlite board and red mud Coated expanded perlite pellets are fired at high temperature. The red mud expanded perlite decoration and heat preservation integrated light wall material prepared by the present invention adopts one-time firing, and the surface decoration is made of red mud expanded perlite board through extrusion molding, so that the wall material has six sides. Color decoration, strong integrity, and then prepared by adding ceramic colorants to make single-color, composite color and other colors and patterns of interior and exterior wall decoration materials, no additional decoration is required, the production process is simple, the cost is low, the building insulation effect is good, energy saving, Environmental protection, the production of red mud expanded perlite decorative and thermal insulation integrated lightweight wall material integrates multiple functions such as decoration, thermal insulation, waterproof, thermal insulation, sound insulation and shockproof properties.

The invention relates to a water-based yellow ceramic ink for inkjet printing and a preparation method thereof. The preparation method comprises: crushing quartz, zirconia, praseodymium oxide, cerium oxide and a mineralizer and mixing them evenly, and then mixing the obtained mixture After pressing and molding, place it in a crucible with a cover, cover the crucible and put it in an electric furnace for calcination. The fired product after firing is ball milled, washed, suction filtered and dried in sequence to obtain ceramic color material; ceramic color material The material is mixed with water and dispersant and ball milled to form a suspension, and then the suspension is ultrasonically dispersed to form a water-based yellow ceramic ink. In the present invention, try to add a large amount of praseodymium oxide and cerium oxide to carry out praseodymium-cerium co-doping, so that cerium can be doped into the zirconium silicate lattice and generate zirconia cerium oxide, so that cerium can be used as a chromogenic agent. It is added into the pigment praseodymium oxide to solve the problem of high synthesis cost in the traditional praseodymium yellow material due to the large amount of praseodymium oxide added, and at the same time it can also enhance the color development effect of ceramic pigments and ceramic inks.

The invention relates to the technical field of ceramic ink jetting, in particular to ceramic ink-jet ink with low viscosity and a preparation method thereof. The ceramic ink-jet ink comprises the following component according to weight percentage: 35-60 percent of ink diluent, 30-55 percent of ceramic colorant, 0.5-4 percent of ink auxiliary agent and 0.5-10 percent of resin. The ceramic ink-jet ink has low viscosity and low surface tension, is applicable to an ink printing spray head with high precision, and can be applied to a Sayre 1001-type spray head and an American north star 512-type spray head; the ink does not contain water, so that the ink does not corrode a spray head of an ink-jet printer in the using process and the service life of the spray head can be obviously prolonged. The preparation method of the ceramic ink-jet ink comprises the following steps of primarily grinding by using a ball mill and performing refined grinding by using a sand mill, so that the production cost is greatly saved, and the preparation method of the ceramic ink-jet ink is efficient.

A range of processes is described herein for the preparation of a range of gold nanoparticle (Au NP) ceramic glazes with traditional firing methods that represents significant efficiency and ecological advancements over existing methods and allows for the replacement of commercial ceramic colorant methods, while retaining the costly equipment and firing methods already used. The process allows for ceramic surface color while breaking standards for minimal amounts of transition metal colorant used. The nanoparticle-based glazes described here add new colors to the known ceramic surface palette and offers greater consumer safety as an alternative to existing coloring processes that use higher concentrations of toxic metal and an increased risk of metal leaching from the final ceramic vessel into its contents (e.g., soil, beverage, food).

The invention discloses a method for preparing an urban sludge ceramic heat collection panel. The urban sludge ceramic heat collection panel is characterized by consisting of three parts, a heat collection layer (1), a transition layer (2) and a thermal insulation layer (3). According to the urban sludge ceramic heat collection panel disclosed by the invention, light waves of each frequency can be fully captured under irradiation of sunlight, so that the surface temperature of the urban sludge ceramic heat collection panel is 100 DEG C, and the thermal conversion capacity can be over 95 percent. With the adoption of once-firing, the transition layer is arranged between the heat collection layer and the thermal insulation layer, so that the defects that the pore diameter is extremely large and the bonding strength and thermal shock resistance are reduced between the heat collection layer and the thermal insulation layer due to inconsistent melting points of materials are effectively overcome. Ceramic colorants are added, so that urban sludge ceramic heat collection panels of various colors such as a single color and composite colors can be prepared, the production process is simple, the cost is low, and the heat collection effect is good.

The invention discloses a ceramic pigment optimization process method, which comprises the following steps: treating ceramic pigment with ultrafining treatment and drying the powder. Moreover, the invention discloses a ceramic pigment with particle mean size of 0.1-1.8mu m. The invention can reduce burnt time and coloring material operating weight; meanwhile, burnt ceramics possesses many super performances such as perfect surface specific absorption and vividness of color compared with product manufactured by common colouring material.

The invention discloses a method for preparing a red mud-expanded perlite multi-face colored decoration lightweight wall material. The red mud-expanded perlite multi-face colored decoration lightweight wall material is characterized by consisting of three parts, namely a colored decoration layer (1), a transition layer (2) and a thermal insulation layer (3). The red mud-expanded perlite multi-face colored decoration lightweight wall material disclosed by the invention is subjected to once-firing, and the transition layer is added between the colored decoration layer and the thermal insulation layer, so that the defects that the pore diameter is extremely large and the bonding strength and thermal shock resistance are reduced between the colored decoration layer and the thermal insulation layer due to inconsistent melting points of materials are effectively overcome. Ceramic colorants are added, so that interior and exterior wall decoration materials of a single color, composite colors and various colors and patterns are prepared, and extra decoration is not needed. The method is simple in production process and low in cost and has a good building heat preservation effect and energy-saving and environment-friendly effects, and the produced red mud-expanded perlite multi-face colored decoration lightweight wall material integrates multiple functions such as decoration, heat preservation, heat insulation, sound insulation, shock resistance and the like.

The invention relates to a method for biomineralization treatment of chemical nickel plating wastewater, which comprises the following steps: culturing sporosarcina pasteurii to obtain a bacterial solution, adding the bacterial solution into a mixed solution of urea and chemical nickel plating wastewater according to a specific ratio, carrying out a biomineralization reaction at room temperature, collecting mineralized substances after the reaction is completed, and sequentially washing and drying to obtain nickel carbonate precipitate. According to the design, the nickel ion removal efficiency is high, the by-product nickel carbonate can be used as a ceramic coloring agent to prepare nickel oxide or organic nickel salt, and living bacteria can be recycled.

The invention belongs to the technical field of ceramic pigments, and in particular relates to a black pigment for ceramic inkjet printing and its preparation method and application; the parts by weight of each raw material in the black pigment are: 17-35 parts of pre-fired material, Co 3 o 4 25-36 parts for NiO, 30-45 parts for NiO, MnO 2 0-5 parts, Al 2 o 3 0‑4 parts, SrCO 3 0-3 copies, Bi 2 o 3 0‑2 parts and MoO 3 Is 0.5-1.5 part; Wherein, described calcined material is Cr 2 o 3 and Fe 2 o 3 Mixed and fired materials. Through the combination of the above-mentioned raw materials, the black pigment can solve the problems of unstable color development and glaze defects (such as color difference, yin and yang, pinholes, and white spots) after the existing black pigment is made into ink. Effectively improve the color development of black ceramic inks and reduce glaze defects.

The invention discloses a method for preparing a nickel slag ceramic heat collection panel. The nickel slag ceramic heat collection panel is characterized by consisting of three parts, namely a heat collection layer (1), a transition layer (2) and a thermal insulation layer (3). According to the nickel slag ceramic heat collection panel disclosed by the invention, light waves of each frequency can be fully captured under irradiation of sunlight, so that the surface temperature of the urban sludge ceramic heat collection panel is 100 DEG C, and the thermal conversion capacity can be over 95 percent. With the adoption of once-firing, the transition layer is arranged between the heat collection layer and the thermal insulation layer, so that the defects that the pore diameter is extremely large and the bonding strength and thermal shock resistance are reduced between the heat collection layer and the thermal insulation layer due to inconsistent melting points of materials are effectively overcome. Ceramic colorants are added, so that nickel slag ceramic heat collection panels of various colors such as a single color and composite colors can be prepared, the production process is simple, the cost is low, and the heat collection effect is good.

The present invention relates to the technical field of ceramics, in particular to a system for adjusting and processing the water content of ceramic pigment wet materials, including a tank body, a feeding mechanism, a water injection mechanism, a transmission mechanism, a collection mechanism, a reset mechanism, a material control mechanism, a water control mechanism, and a water control mechanism. Mechanism and receiving plate, the tank body is provided with the feeding mechanism, and the feeding mechanism and the material control mechanism can effectively control the feeding in the collection box. The water injection in the collecting box can be effectively controlled by using the water injection mechanism and the water control mechanism, so as to accurately adjust the ratio of the ceramic pigment to water, thereby precisely adjusting the water content of the ceramic pigment. The collection box can be transferred to the reset mechanism within a fixed time interval by using the transfer mechanism, so as to facilitate the collection of coloring material and water.

The invention discloses a method for preparing an urban sludge ceramic heat collection panel. The urban sludge ceramic heat collection panel is characterized by consisting of three parts, a heat collection layer (1), a transition layer (2) and a thermal insulation layer (3). According to the urban sludge ceramic heat collection panel disclosed by the invention, light waves of each frequency can be fully captured under irradiation of sunlight, so that the surface temperature of the urban sludge ceramic heat collection panel is 100 DEG C, and the thermal conversion capacity can be over 95 percent. With the adoption of once-firing, the transition layer is arranged between the heat collection layer and the thermal insulation layer, so that the defects that the pore diameter is extremely large and the bonding strength and thermal shock resistance are reduced between the heat collection layer and the thermal insulation layer due to inconsistent melting points of materials are effectively overcome. Ceramic colorants are added, so that urban sludge ceramic heat collection panels of various colors such as a single color and composite colors can be prepared, the production process is simple, the cost is low, and the heat collection effect is good.

The invention relates to a zirconium phosphate kalium type high-temperature purple ceramic colorant and a preparation method thereof. The colorant is made from industrial chemical raw materials in percentage by weight: 4 to 12 percent of potash, 49 to 58 percent of diammine phosphate, 32 to 37 percent of zirconia, and 2.6 to 7 percent of cobalt oxide. A product is obtained through batching, mixing, calcining, crashing, washing, drying, crashing and drying, wherein a calcining temperature is 1400 DEG C and is kept for 60min. The method adopts usual chemical raw materials with lost cost. The obtained colorant with brilliant coloration and stability can be widely applied to various high-temperature ceramic products.