32results about How to "Good quality glaze" patented technology

The invention provides a pure black glazed tile produced by using waste glaze slip and a preparation method of the pure black glazed tile in order to overcome the defects. On the basis of greatly unchanging the existing production process of glazed tiles, by optimizing the composition of ground coat and cover coat frits, the formula composition of the ground coat, the formula composition of the cover coat, regulating and optimizing ground coat and cover coat technological processes, especially the preferable section of green body types, the fired pure black glazed tile is pure in color, and the chromaticity (L *, a *, b *) value of an unprinted product is measured by a WSD-3C type whiteness colorimeter, wherein the L * (lightness) value is 6.25 to 6.43 and is close to the L * (lightness) value of 5.0 of standard carbon black, the a * (redness) value is -0.03 to 1.60, and the b * (yellowness) value is 0.15 to 0.18. The glazed tile is carbon black like pure black, the glaze has good quality, is moisturized and bright, and has no pinholes, glaze bubbles and other defects, and the glazed tile has strong decorative effect and aesthetic feeling; meanwhile, the technology has strong universality and is easily popularized in the industry.

The invention relates to a preparation method of an intermediate-temperature magnesium strengthening porcelain and a product prepared from the intermediate-temperature magnesium strengthening porcelain. The formula of the strengthening porcelain comprises the following billet materials and glaze materials by weight percent: the billet materials: 30% to 45% of sintered talc, 20% to 35% of raw talc, 5% to 15% of feldspar, 10% to 18% of kaolin, 3% to 5% of bentonite and 0% to 15% of quartz; the glaze materials: 20% to 40% of feldspar, 5% to 15% of calcite, 4% to 8% of kaolin, 0% to 15% of quartz, 3% to 5% of ZnO, 3% to 5% of BaCO and 20% to 35% of glass materials. The preparation method comprises the following steps: carrying preparation, molding, drying, billet biscuiting, glazing, drying and intermediate-temperature glaze firing on the billet materials and the glaze materials under the conditions that the biscuiting temperature of a billet is controlled within 1240 DEG C to 1260 DEG C, the heat preservation time of the billet is 30 minutes, the firing time of an intermediate-temperature glaze is 1100 DEG C and the firing time of the intermediate-temperature glaze is 30 minutes, thereby obtaining the strengthening porcelain with a good glaze surface quality and a high glossiness. Thus, the method has a wide application prospect.

Provided is a method for preparing iron tailing into ceramic frit glaze. The method for preparing iron tailing into ceramic frit glaze regards iron tailing as raw materials, is free of adding other ceramic pigment or, colorant except for iron, and prepares ceramic frit glaze which is abundant in color and good in effect. The method for preparing iron tailing into ceramic frit glaze explores a novel path for iron tailing resources with high technology and high added value. The dosage of the iron tailing in the ceramic frit glaze is large, and the iron tailing is in integral utilization. The method for preparing iron tailing into ceramic frit glaze utilizes affluent iron and other microelements in the iron tailing to tint for glaze, replaces the expensive ceramic pigments, greatly lowers the cost of the ceramic frit glaze, selects and provides novel direction for ceramic frit glaze raw materials and the ceramic pigments, and lowers the dependent degree to high quality non-metal mineral resources compared with the current ceramic glaze production. The iron tailing and parts of the raw materials are initially melted to frits to use, so that firing temperature range of the glaze is expanded, and ceramic glaze surface quality is improved. A series of unfavorable influences to the preparation process in the process of applying the iron tailing in a ceramic green body are overcome. The method for preparing iron tailing into ceramic frit glaze has the advantages of being simple in process, optimum in glaze quality, and applicable to industrialized mass production.

The invention relates to the technical field of ceramics and particularly relates to a flambe furry tiger skin fancy glaze, a ceramic product and a preparation method thereof. The flambe furry tiger skin fancy glaze includes the following raw materials: feldspar, quartz, Suzhou earth, titanium oxide, glass powder, calcite, boron frit, strontium carbonate, nickel oxide, chromium titanium antimony yellow, cerium praseodymium yellow, tin oxide, and neodymium oxide. A biscuited ceramic green body is applied by the flambe furry tiger skin fancy glaze in a soak-glazing manner, and when the glaze is dried, the ceramic green body is subjected to glaze firing. The prepared glaze slurry has good process performances and allows glaze application in a one-time soak-glazing manner. The fired glaze surface has good quality. A fired bottle has a smooth and flat surface and has no defects.

The invention discloses a magnesia porcelain and a preparation method thereof. The magnesia porcelain is prepared by using a billet material and a glaze material, wherein the billet material comprisesthe following components in percentage by weight: 30-45% of burnt talc, 20-35% of raw talc, 5-15% of feldspar, 10-18% of kaolin, 3-5% of bentonite and 0-15% of quartz, and the sum of the weight percentages of the components is 100%; and the glaze material comprises the following components in percentage by weight: 20-40% of feldspar, 5-15% of calcite, 4-8% of kaolin, 0-15% of quartz, 3-5% ZnO, 0-5% of BaCO3 and 20-35% of glass frit, and the sum of the weight percentages of the components is 100%. According to the magnesia porcelain, the quality of the glaze surface is good, the glossiness ishigh, the raw material cost is low, and the production process is simple.

The invention discloses a strengthened magnesia porcelain with high gloss and a preparation method thereof. The strengthened magnesia porcelain is composed of the following raw materials according to mass percentage: 60-70% of talc, 10-15% of Chaozhou bentonite, and 8-8% of Longyan kaolin 10%, quartz 2‑6%, potassium feldspar 5‑12%. Grind talc, Chaozhou bentonite, Longyan kaolin, quartz, and potassium feldspar respectively, pass through a 200‑400 mesh sieve, weigh them according to the mass percentage, and then form, dry, and fire to obtain strengthened magnesia porcelain. The firing temperature range is 1250-1300°C, the holding time is 0.5-8h. The invention adopts natural mineral raw materials, and through repeated batching tests, the raw materials in the magnesia green body are well matched, and the strengthened magnesia porcelain products with good glaze quality and high gloss are produced, and the performances of the reinforced magnesia porcelain products reach GB/T3532‑1995 According to the standard requirements, the whiteness of its products is above 86 degrees, and the edge impact strength is 0.693J/cm ² . Thermal shock resistance: 180‑20°C without cracking once. It effectively eliminates the pinholes in the glaze and improves the brightness of the glaze, so it has a broad market prospect.

The invention discloses a special luminous pearlescent pigment for ceramic firing. The pigment is characterized in that the pigment comprises a sheet substrate, the substrate is coated with a high-refractive-index coat, and the high-refractive-index coat is coated with a layer of a coloring agent to form a metal oxide composite coat. The coloring agent is ferric oxide. The sheet substrate is synthetic mica composed of a long-afterglow luminous material and a base flux. The special luminous pearlescent pigment is optically variable, and has the advantages of good brightness and color saturation, high brightness, intelligible pattern, color variety, excellent glaze quality, strong mechanical performances, and high chemical stability; and the coating of the inorganic metal oxide-ferric oxide makes the pigment have a high stability and not fade under high temperature firing conditions.

The invention provides a crystalline glazed tile capable of durably producing negative ions and a preparation method thereof. In the invention, without significant change on a production process of glazed tiles in the prior art, the method mainly pays attention to formulas and compositions of a frit, a basic glaze, a nucleation agent and a surface glaze, fineness of the basic glaze and the nucleation agent, and optimization on a sintering process and the like, so that a large number of silver crystals, in the size of a rice grain, are formed on the surface of the glaze tiles, wherein the crystals emit a bright silver light under irradiation by oblique light or lamp light, while the glaze base surrounding the crystals are matte, so that the whole tile looks like a starry night. In addition,there are a plurality of photo-catalytic semiconductor microcrystalline mineral, which cannot be seen by naked eyes, such as SrTiO3 and CaO.TiO2, in the surface glaze, wherein the minerals can be reacted with oxygen in air to generate oxygen negative ions durably, quantity of the inductively generated negative ions in air reaching 538/s*cm<2>. The product is a decorative material which integratesdecorative and artistic properties and health-functional effects.

The invention belongs to the technical field of architectural ceramics, and particularly discloses a ceramic glaze with infrared reflection, a light glazed exterior wall tile and a preparation method of the light glazed exterior wall tile. The ceramic glaze contains calcite, quartz, titanium dioxide and titanite frit, and the titanite frit is prepared from the following raw materials: calcite, titanium dioxide, quartz and wollastonite; the light glazed exterior wall tile comprises a light green body layer, a sealing cover glaze layer, a near-infrared reflecting glaze layer and a transparent protective glaze layer from bottom to top, wherein the near-infrared reflecting glaze layer is formed by firing ceramic glaze. Ceramic glaze with a near-infrared light reflection function is applied to the light glazed exterior wall tile, a tile body is endowed with good near-infrared light reflection performance, meanwhile, the sealing cover glaze layer is added between the light green body layer and the near-infrared reflection glaze layer, gas generated by a high-temperature reaction in the light green body layer can be effectively sealed under the glaze layer, and the light glazed exterior wall tile has the good near-infrared light reflection performance. The defects of glaze pinholes, glaze cracks and the like are prevented, and the function of the near-infrared reflection glaze layer and the surface quality of the transparent protection glaze layer are guaranteed.

The invention relates to a high-temperature high-grade magnesia porcelain preparation method, wherein the billet material comprises, by weight, 30-45% of burned talc, 20-35% of raw talc, 5-15% of feldspar, 10-18% of kaolin, 3-5% of bentonite, and 0-15% of quartz, and the glaze material comprises, by weight, 20-40% of feldspar, 5-15% of calcite, 4-8% of kaolin, 0-15% of quartz, 3-5% of ZnO, 0-5% ofBaCO3, and 20-35% of frit. According to the preparation method, billet material and glaze material preparation, molding, drying, biscuit firing of billet body, glazing, drying, and medium temperatureglaze burning to obtain the product, wherein the biscuit firing temperature is 1280-1300 DEGC, the thermal insulation is 30 min, the medium temperature glaze burning temperature is 1200 DEGC, and thethermal insulation is 30 min. According to the present invention, with the preparation method, the product with advantages of good glaze surface quality and high glossiness is obtained so as to achieve broad application prospects.

The invention relates to the high voltage electrical porcelain production technology field, specifically relating to a porcelain body glaze repairing method which comprises the following steps: a. mixing two parts of resin type electrical porcelain repairing agents, one part of curing type electrical porcelain repairing agent and pigment to prepare a repairing mixture; b. cleaning a place to be repaired with acetone, and drying the place with a blower; c. diluting the repairing mixture with acetone to a degree that a mixed solution of the repairing mixture and the acetone can pass through a filter screen of 50-70 meshes, then allowing the mixed solution to pass through a filter screen of 50 meshes, adding the mixed solution into a spray gun after filtering, and using the spray gun to spray the mixed solution on the place to be repaired. Preferably, a step d of drying a spraying position with a hot air blower is provided after the step c. Preferably, high pressure gas used in the spray gun in the step c is oxygen, nitrogen or acetylene, and the porcelain body glaze repairing method has the advantages of good quality and flattening of glaze repairing, a larger repairing area of unit repairing agent and raw material saving.

The invention relates to a low-temperature high-grade magnesia porcelain preparation method, wherein the billet material comprises, by weight, 32% of burned talc, 26% of raw talc, 10% of feldspar, 15%of kaolin, 4% of bentonite, 10% of quartz, and 3% of calcium carbonate, and the glaze material comprises, by weight, 24% of feldspar, 14% of calcite, 6% of kaolin, 14% of quartz, 3% of ZnO, 4% of BaCO3, 25% of frit, and 5% of strontium oxide. According to the preparation method, billet material and glaze material preparation, molding, drying, biscuit firing of billet body, glazing, drying, and medium temperature glaze burning to obtain the product, wherein the biscuit firing temperature is 1120-1180 DEGC, the thermal insulation is 30 min, the medium temperature glaze burning temperature is 1100 DEGC, and the thermal insulation is 30 min. According to the present invention, with the preparation method, the product with advantages of good glaze surface quality and high glossiness is obtained so as to achieve broad application prospects.