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CN-122010413-A - Pearl glaze for building ceramic and preparation method and application thereof

CN122010413ACN 122010413 ACN122010413 ACN 122010413ACN-122010413-A

Abstract

The invention belongs to the technical field of glaze preparation, and particularly relates to a pearl glaze for building ceramics and a preparation method and application thereof. The invention prepares the pearl glaze with multiple effects of high pearl glossiness, skin-friendly, anti-fouling and wear-resisting, excellent green body adaptability, self-repairing durability and the like by combining the synergistic design of Si-Zr codoped yttrium oxide directional crystallization, mesoporous aluminum oxide-vanadium-boron tellurium glass composite particle compact glaze layer and self-repairing and optimizing a medium-temperature sectional sintering and flexible polishing process, and also has the functions of newly increasing micro-damage self-repairing, solving the technical bottleneck of the application of the existing pearl glaze to building ceramics.

Inventors

  • LIU PING
  • ZENG LI
  • Wen Xiaorou
  • Lin weiye

Assignees

  • 佛山市利德嘉新材料有限公司

Dates

Publication Date
20260512
Application Date
20260205

Claims (10)

  1. 1. The pearl glaze for the building ceramic is characterized by comprising fine albite, potassium feldspar, high bauxite, zinc firing, superfine quartz, talcum, strontium carbonate, si-Zr co-doped yttrium oxide, dolomite and mesoporous alumina-vanadium boron tellurium glass composite particles.
  2. 2. The pearl glaze for building ceramics according to claim 1, wherein the fine albite accounts for 25-32%, the potassium feldspar accounts for 18-25%, the high bauxite accounts for 8-12%, the zinc firing accounts for 5-8%, the superfine quartz accounts for 6-10%, the talcum accounts for 4-6%, the strontium carbonate accounts for 3-5%, the Si-Zr co-doped yttrium oxide accounts for 0.8-1.5%, the dolomite accounts for 2-4%, and the mesoporous alumina-vanadium boron tellurium glass composite particles accounts for 1.2-2%.
  3. 3. The pearl glaze for a construction ceramic according to claim 1, wherein the preparation of the Si-Zr co-doped yttrium oxide comprises the steps of: Mixing yttrium salt, silicon salt and zirconium salt (0.5-2) according to the mass ratio of 100:1-3, so that Si is doped by 1-2wt% and Zr is doped by 0.5-1wt%, dissolving in absolute ethyl alcohol which is 3-5 times of the total mass of the raw materials, adding citric acid which is 2-4 wt% of the total mass of the raw materials as a chelating agent, adjusting the pH value to 4-5, stirring and reacting for 1.5-2.5 hours at 55-65 ℃ to form sol, drying the sol in an oven at 75-85 ℃ for 10-14 hours to obtain xerogel, then placing the xerogel in a muffle furnace, rising the temperature rising rate of 4-6 ℃ per min to 780-820 ℃, roasting for 1.5-2.5 hours, and grinding the mixture until the particle size is less than or equal to 3 mu m after cooling, thus obtaining the Si-Zr co-doped yttrium oxide powder.
  4. 4. A pearl glaze for a construction ceramic according to claim 3, wherein said yttrium salt comprises one or more of yttrium nitrate, yttrium chloride; the silicon salt comprises more than one of tetraethoxysilane and sodium silicate; the zirconium salt comprises more than one of zirconium oxychloride and zirconium nitrate.
  5. 5. The pearl glaze for a construction ceramic according to claim 1, wherein the preparation of the mesoporous alumina-vanadium boron tellurium glass composite particles comprises the steps of: ① Dissolving an aluminum source and a template agent in deionized water with the mass ratio of (0.15-0.25) being 20-25 times of the total mass of the raw materials, stirring and hydrolyzing for 3-5 hours at 85-95 ℃, aging for 10-14 hours at room temperature, then carrying out suction filtration, washing a filter cake to be neutral by using the deionized water, drying for 5-7 hours at 105-115 ℃, roasting for 2.5-3.5 hours at 520-580 ℃ to remove the template agent, and obtaining the mesoporous alumina carrier; The aluminum source comprises more than one of aluminum isopropoxide and aluminum nitrate; The template agent comprises more than one of polyethylene glycol and cetyl trimethyl ammonium bromide; ② The preparation of vanadium-boron-tellurium glass comprises the steps of uniformly mixing V 2 O 5 、B 2 O 3 、TeO 2 (28-32): (38-42): (28-32) in a molar ratio, melting for 25-35 min at 820-880 ℃, then rapidly quenching to room temperature to obtain transparent glass blocks, and grinding to the particle size of less than or equal to 1 mu m; ③ The preparation of the composite particles comprises the steps of mixing a mesoporous alumina carrier with vanadium-boron-tellurium glass powder according to a mass ratio of 60-70:30-40, adding deionized water accounting for 5-8% of the total mass of raw materials as a binder, grinding at a low speed of 80-120 r/min for 25-35 min, drying at 105-115 ℃ for 3-5 h, and grinding until the particle size is less than or equal to 3 mu m, thus obtaining the target composite particles.
  6. 6. Use of the pearl glaze according to any of claims 1 to 5 in architectural ceramics.
  7. 7. A method for preparing a architectural ceramic product using the pearl glaze according to any one of claims 1 to 5, comprising the steps of: 1) Ball milling, namely weighing the components in claim 2, adding deionized water accounting for 35-40% of the total weight of the raw materials, and putting the mixture into a ball mill for ball milling; 2) Sieving and aging, namely sieving the glaze slurry after ball milling, collecting undersize slurry and putting the undersize slurry into an aging tank; 3) Applying the ground coat, namely selecting a building ceramic blank, applying the ground coat in a glaze spraying mode, and then pre-drying; 4) Ink jet; 5) Shi Zhenzhu glazing, namely applying the pearl glaze slurry prepared in the step 2) on the surface of the ink-jet ground coat by adopting a glazing mode, and controlling the thickness of the pearl glaze layer to be 0.2-0.3 mm; 6) The method comprises the steps of firing, namely conducting intermediate-temperature sectional firing on a glazed building ceramic blank, wherein the temperature is raised to 800 ℃ from room temperature at a temperature of 5-8 ℃ per minute, the temperature is kept at 800 ℃ for 30min, the temperature is raised to 1120-1180 ℃ from 800 ℃ at a temperature of 3-5 ℃ per minute, the temperature is kept at the temperature for 40-60 min, and the temperature is lowered to room temperature from high temperature at a temperature of 4-6 ℃ per minute; 7) And polishing, namely cooling the fired building ceramic to room temperature, and polishing to obtain the building ceramic product with the pearl glaze effect.
  8. 8. The method for preparing a building ceramic product by using the pearl glaze according to claim 7, wherein the ball milling rotating speed is 220-260 r/min, and the ball milling time is 4-6h.
  9. 9. The method for preparing a building ceramic product according to claim 7, wherein the aging condition is aging for 12-18 hours under an environment of 25-30 ℃ and a relative humidity of 60-70%.
  10. 10. The method for preparing a building ceramic product by using the pearl glaze according to claim 7, wherein the polishing conditions are that the polishing grinding head rotates at a speed of 150-180 r/min, the polishing pressure is 0.1-0.15 MPa, and the polishing time is 2-3min.

Description

Pearl glaze for building ceramic and preparation method and application thereof Technical Field The invention belongs to the technical field of glaze preparation, and particularly relates to a pearl glaze for building ceramics and a preparation method and application thereof. Background The pearl glaze has a pearl texture with mild and moist jade and soft luster, and is widely applied to the field of ceramic decoration. In the prior art, the pearl glaze is mainly focused on the field of household porcelain and is prepared by adopting a high-temperature sintering process (generally 1280-1350 ℃), and the formula system and the process parameters of the pearl glaze are both suitable for the characteristics of thin wall, low-temperature bearing and the like of the household porcelain and are difficult to directly migrate to the field of building porcelain. The building ceramic needs to meet the use requirements of high strength, wear resistance, stain resistance and the like, when the prior art tries to apply the daily ceramic pearl glaze to the building ceramic, a plurality of technical bottlenecks exist, namely, firstly, the high-temperature sintering process is incompatible with the conventional production flow of the building ceramic, the ceramic blank is easy to deform, the glaze surface is cracked, the production cost is increased, secondly, the surface of the building ceramic is usually subjected to polishing treatment to improve the flatness, pearl particles in a glaze layer are easy to wear after the existing pearl glaze is polished, the pearl luster is greatly attenuated and even completely disappears, thirdly, the existing pearl glaze has slight bulges or roughness, the touch feeling is dry after polishing, and the use experience of the surface of the building ceramic, which is smooth, cannot be achieved. Disclosure of Invention Aiming at the problems, the invention aims to provide a pearl glaze for building ceramics, and a preparation method and application thereof. The technical content of the invention is as follows: The invention provides a pearl glaze for building ceramics, which comprises fine albite, potassium feldspar, high bauxite, zinc firing, superfine quartz, talcum, strontium carbonate, si-Zr co-doped yttrium oxide, dolomite and mesoporous alumina-vanadium boron tellurium glass composite particles. According to mass fraction, the fine albite accounts for 25-32%, the potassium feldspar accounts for 18-25%, the high bauxite accounts for 8-12%, the zinc firing accounts for 5-8%, the superfine quartz accounts for 6-10%, the talcum accounts for 4-6%, the strontium carbonate accounts for 3-5%, the Si-Zr co-doped yttrium oxide accounts for 0.8-1.5%, the dolomite accounts for 2-4%, and the mesoporous alumina-vanadium boron tellurium glass composite particles accounts for 1.2-2%. The preparation method of the Si-Zr co-doped yttrium oxide comprises the following steps: Mixing yttrium salt, silicon salt and zirconium salt (0.5-2) according to the mass ratio of 100:1-3, so that Si is doped by 1-2wt% and Zr is doped by 0.5-1wt%, dissolving in absolute ethyl alcohol which is 3-5 times of the total mass of the raw materials, adding citric acid which is 2-4 wt% of the total mass of the raw materials as a chelating agent, adjusting the pH value to 4-5, stirring and reacting for 1.5-2.5 hours at 55-65 ℃ to form sol, drying the sol in an oven at 75-85 ℃ for 10-14 hours to obtain xerogel, then placing the xerogel in a muffle furnace, rising the temperature rising rate of 4-6 ℃ per min to 780-820 ℃, roasting for 1.5-2.5 hours, and grinding the mixture until the particle size is less than or equal to 3 mu m after cooling to obtain Si-Zr co-doped yttrium oxide powder; The yttrium salt comprises more than one of yttrium nitrate (Y (NO 3)2·6H2 O) and yttrium chloride (YCl 3·6H2 O); The silicon salt comprises more than one of tetraethoxysilane (TEOS, industrial grade) and sodium silicate (Na 2SiO3·9H2 O); The zirconium salt comprises more than one of zirconium oxychloride (ZrOCl 2·8H2 O) and zirconium nitrate (Zr (NO 2)4·5H2 O). The preparation method of the mesoporous alumina-vanadium boron tellurium glass composite particles comprises the following steps: ① Dissolving an aluminum source and a template agent in a mass ratio of 1 (0.15-0.25) in deionized water which is 20-25 times of the total mass of the raw materials, stirring and hydrolyzing for 3-5 hours at 85-95 ℃, aging for 10-14 hours at room temperature, then carrying out suction filtration, washing a filter cake with deionized water for 3-4 times to be neutral, drying for 5-7 hours at 105-115 ℃, and roasting for 2.5-3.5 hours at 520-580 ℃ to remove the template agent, thereby obtaining the mesoporous alumina carrier (with the aperture of 50-80 nm); The aluminum source comprises more than one of aluminum isopropoxide and aluminum nitrate; the template agent comprises more than one of polyethylene glycol (PEG-8000-12000) and Cetyl Trimethyl Ammonium Bromid