51results about How to "Good opacification effect" patented technology

The invention belongs to the technical field of ceramics, and particularly relates to an anion easy-cleaning functional ceramic additive and a preparation method thereof, a ceramic prepared by using the additive and a preparation method thereof. The additive is prepared from the following raw materials in percentage by mass: 10-16% of Chongguang stones with a particle size of 5-20 microns, 16-25% of tourmaline with a particle size of 5-15 microns, 5-15% of copper pectolite with a particle size of 5-20 microns, 8-12% of nano titanium dioxide, 6-8% of nano zinc oxide, 5-10% of lead-free frits, 7-20% of rare earth materials, 8-10% of superfine alumina, 8-15% of superfine quartz powder and 5-10% of sodium carbonate. The preparation method of the additive comprises the following steps of carrying out mixed ball-milling on the lead-free frits, the rare earth materials, the superfine alumina, the superfine quartz powder and the sodium carbonate firstly; and then, adding the Chongguang stones, the tourmaline, the copper pectolite, the nano titanium dioxide and the nano zinc oxide into the obtained product, and ball-milling the obtained mixture, so that the additive with a particle size of 1-10 microns is obtained. The additive disclosed by the invention has a self-polarizing performance, and has strong adsorption and decomposition functions, so that negative ions are produced; and after the additive is added into a ceramic, the ceramic is extremely easy to clean and not stained, and has no hidden dirt, therefore, the ceramic has a strong affinity to water.

A manufacturing method for colored fluorine-free imitation ceramic glaze belongs to the field of advanced glass materials. According to the manufacturing method, a melt jacking blowing method is adopted, and the five-layer colored fluorine-free imitation ceramic glaze is prepared by dip blowing according to the sequence of bright material, white material, bright material, pigment and bright material. The manufacturing method overcomes the defect that the traditional imitation ceramic glass production greatly depends on the initial temperature of glass melt phase-splitting or devitrification and the cooling speed during forming; and meanwhile, the manufacturing method realizes very good opacifying effect under the condition of lower phosphorous content, and the common defects of uneven opacifying degree, stripe and the like are not liable to occur.

The invention provides a technique of sanitary ceramic using a composite titanium dioxide opacifier in glaze slurry. The technique adopts the composite titanium dioxide opacifier, phosphate, potash feldspar, quartz, calcite, dolomite, zinc oxide, aluminum oxide, kaoline and a frit as raw materials for preparing opalescent glaze of the ceramic. The sanitary ceramic prepared by the technique has the advantages that: (1) a glaze layer of the prepared sanitary ceramic is tightly combined with a green body; a glaze surface has a good opacifying effect, and is high in whiteness, strong in luster sensation and delicate; (2) the composite titanium dioxide opacifier glaze and the glaze layer of the sanitary ceramic are free from radioactive substances and radioactive radiation and has effects of safety and protection of user health; and (3) the composite titanium dioxide opacifier is lower in cost and price; and phosphate is added into the glaze at the same time to further reduce the use amount of the composite titanium dioxide opacifier, so that the cost of the sanitary ceramic is lowered.

The invention belongs to the technical field of ceramic and particularly relates to ceramic glaze with a water activating function, a preparation method thereof, ceramic prepared by the ceramic glaze and a preparation method of the ceramic. The ceramic glaze is prepared by, by mass percentage, 60-80% of ceramic glaze base material, 5-20% of ceramic additives with the water activating function, 5-8% of nano-zirconia, 0.5-5% of phosphate, 1-5% of nano cesium oxide, 2-8% of yttrium oxide, 1-5% of nano titanium dioxide and 3-8% of tourmaline. The preparation method of the ceramic glaze includes: ball milling the ceramic glaze base material until all the ceramic glaze base material can pass a 250-mesh sieve, adding the rest of components, adding water and ceramic diluent to prepare slurry, ball milling, and discharging. The ceramic glaze has the advantages that the ceramic glaze can acts on water molecular cluster structures to allow the hydrogen bonds to be destroyed and chemical bonds to break, large molecular clusters become small molecular clusters only containing 5-6 water molecules, toxic gas dissolved in water is released at the same time, the water become slightly alkaline, and the activity of the water is increased.

The invention relates to zinc-boron-silicon heat-resisting environmental-friendly emulsion opal glass and a preparation method thereof. The glass is characterized by consisting of the following components in percentage by mass: 68-78% of SiO2, 0-4% of Al2O3, 10-15% of B2o3, 5-8% of ZnO, 0.5-3% of CaO, 0-2% of MgO, 2.5-4.5% of alkali metal oxide and 1-5% of P2O5. The preparation method comprises the steps of: preparing the components into a glass batch and melting; then moulding by casting; and annealing to obtain the emulsion opal glass. The method is environmental-friendly and free of pollution and the glass does not contain fluorine, has less erosion to the refractory matters and is molded in one step; and compared with the conventional emulsion opal glass, the prepared zinc-boron-silicon heat-resisting environmental-friendly emulsion opal glass is low in thermal expansion coefficient, stable in opacification, less in environment pollution, less in corrosivity of refractory matters, high in opacity, less in phosphorus volatilization and good in glossiness.

The invention discloses high-strength whitening glaze slurry for ceramic and a preparation method of the high-strength whitening glaze slurry. The glaze slurry is prepared from raw materials and water through mixing and ball milling; the raw materials comprise, in parts by weight, 16-22 parts of potash feldspar, 15-19 parts of calcite, 16-20 parts of quartz, 10-14 parts of frit, 1-5 parts of sodium carbonate, 10-14 parts of calcium carbonate, 0.5-2.5 parts of dolomite, 4-6 parts of a whitening agent and 0.5-2.5 parts of a reinforcing agent, wherein the whitening agent is prepared from 50-70 parts of kaoline, 50-70 parts of titanium dioxide, 1-2 parts of calcium stearate and 2-4 parts of gamma-chloropropyltrimethoxysilane; the reinforcing agent is prepared from, in parts by weight, 10-14 parts of hydroxyapatite, 10-20 parts of calcined talc and 0.2-0.4 parts of an aluminum zirconium coupling agent. The high-strength whitening glaze slurry for the ceramic adopts reasonable materials, a preparation method is simple, the production cost is low, the performance is good, and the high-strength whitening glaze slurry is worth popularization and application.

The invention relates to opacified glaze and a preparation method thereof. The opacified glaze is prepared by using barium titanate power of a tetragonal system as an opacifier, wherein the particle size of the barium titanate power is 400-800 nm. The preparation method comprises the following steps that 1, glaze powder is prepared, wherein raw materials for preparing the glaze powder are weighed in proportion and then are mixed evenly to obtain the glaze powder; 2, the opacified glaze is prepared, wherein the glaze powder obtained in the step 1, water and ballstone are arranged in a rapid mill to be milled till screen residues after screening of a 250-mesh screen are 0.1% or below by weight, the obtained glaze slip is the opacified glaze. The high-temperature stable barium titanate power of the tetragonal system is used as the opacifier to prepare the opacified glaze good in opacifying effect and high in whiteness after firing, and the used raw materials are environmentally friendly. Compared with the prior art, the opacified glaze further has the advantage of low cost. In addition, the preparation method of the opacified glaze is simple in process and easy to operate and facilitates large-scale production.

The invention discloses a sanitary shale ceramic and a preparation method thereof. The blank of the sanitary shale ceramic comprises the following raw materials: 10-20wt% of Boai clay, 5-15wt% of bauxite, 5-15wt% of white gangue, 5-15wt% of ash waste rock, 1-5wt% of Yuan'an clay, 5-15wt% of black mud, 5-40wt% of shale, 10-20wt% of quartz and 5-25wt% of feldspar. As shale is adopted as a main raw material, the sanitary ceramic with excellent properties are made, the material cost is effectively reduced, meanwhile the product quality is ensured, the sintering temperature is low in the preparation process, energy consumption is effectively reduced, and the production cost is reduced.

The invention discloses composite zirconium silicate opacifier, a preparation method thereof and an application. The composite zirconium silicate opacifier is prepared from the following materials in weight percentage, 65%-84% of zircon sand, 1%-15% of calcined alumina and 15%-30% of low-temperature frit. The low-temperature frit is prepared from the following raw materials in weight percentage, 25%-35% of potassium feldspar powder, 10%-20% of apatite powder, 2%-8% of fluorite powder, 10%-15% of calcium carbonate, 15%-18% of sodium borate, 1%-8% of zinc oxide and 2%-8% of quartz powder. The glazing L value of the composite zirconium silicate opacifier is basically higher than 91, opacifying effects are ideal, production cost is reduced, and the radioactivity of a product can be effectively controlled.

The invention provides semitransparent high haze opal glass for an LED and a preparation method thereof. The semitransparent opal glass for the LED provided by the invention is characterized by comprising the following components by weight percent: 60-68% of SiO2, 0-4% of Al2O3, 6-10% of B2O3, 1-5% of ZnO, 0-3% of CaO, 0-2% of MgO, 6-13% of alkali metal oxide, 2-5% of fluoride and 1-5% of P2O5. The preparation method comprises the following steps: mixing all the components according to the proportion to prepare glass batch; fusing at 1450-1550 DEG C; casting for formation or drawing for formation; naturally cooling or naturally cooling after annealing, so as to obtain the semitransparent opal glass for the LED. According to the semitransparent opal glass series prepared through the preparation method, the light transmittance is guaranteed, and the problems that the LED light is dazzling and blue ray overflows are avoided; for a glass sheet with the thickness of 3 mm, the light transmittance is 2-10%, the haze value is 30-95, and the brightness is 60-80.

The invention relates to a MnP2O7 microcrystalline opacified matt glaze material composition having photocatalysis function and a preparation method thereof. The MnP2O7 microcrystalline opacified matt glaze material composition comprises the following components by mass percentage: 88-92% of powder A, 4-6% of MnP2O7 and 4-6% of kaolin; wherein the powder A comprises the following components by weight: 12-14% of SiO2, 4-6% of Al2O3, 47-49% of P2O5, 1.5-2.5% of MnO, 12-14% of Li2O, 6-8% of Na2O, and 11-13% of K2O. According to the invention, MnP2O7 is firstly introduced in preparation of a glaze material, the surface crystallization and decorative effect of a glaze layer are good, and the toxic gas degradation through photocatalysis is excellent.

The invention provides a treatment method of a waste SCR denitration catalyst, a composite opacifier for ceramic, ceramic glaze and a ceramic product, and relates to the technical field of treatment of waste SCR denitration catalysts. The treatment method comprises the following steps: mixing a pretreated waste SCR denitration catalyst, wollastonite, calcium carbonate and an optional dispersant, and crushing to obtain the composite opacifier for ceramic, wherein the waste SCR denitration catalyst is used as a raw material of the composite opacifier for the ceramic, so that the problem of reutilization of the waste SCR denitration catalyst is solved, the utilization value of the waste SCR denitration catalyst is greatly improved, and meanwhile, the production cost of the composite opacifierfor the ceramic is greatly reduced; and meanwhile, the obtained composite opacifier for the ceramic has good opacifying performance when in use. The invention also provides thecomposite opacifier forceramic. The composite opacifier is prepared by adopting the treatment method of the waste SCR denitration catalyst.

The invention relates to a photocatalytic function ZrP2O7 microcrystalline opaque glaze composition and a preparation method thereof. The microcrystalline opaque glaze composition includes the following components by mass percentage: 86-90% of powder A, 6-8% of ZrP2O7 and 4-6% of kaolin. Specifically, the powder A comprises, by weight, 12-16% of SiO2, 2-4% of Al2O3, 51-55% of P2O5, 2-4% of MgO, 8-10% of Li2O, 8-10% of Na2O and 8-10% of K2O. According to the invention, ZrP2O7 is introduced into the preparation of glaze for the first time, the obtained glaze layer has good opacifying decorative effect, but also has excellent performance of photocatalytic degradation of toxic gas.