Search

CN-121990819-A - Wear-resistant and anti-fouling soft ceramic rock plate and preparation method thereof

CN121990819ACN 121990819 ACN121990819 ACN 121990819ACN-121990819-A

Abstract

The invention provides a wear-resistant and anti-fouling soft ceramic rock plate and a preparation method thereof, which belong to the technical field of ceramics, wherein the soft ceramic rock plate is subjected to polishing treatment after firing, and is subjected to strengthening treatment after polishing treatment, the strengthening treatment comprises the steps of introducing hydrogen bond functional groups into a brick body for activation, immersing a carbon nano tube suspension for dip-coating treatment, taking out the brick body for heating and drying, then immersing the brick body into tetrahydrofuran coating liquid containing silane derivatives and curing agents for curing, thus obtaining a finished product, forming a micro-nano structure by using the carbon nano tube through a hydrogen bond anchoring mode, and improving the mechanical strength of the ceramic rock plate by utilizing the excellent mechanical property of the carbon nano tube so as to enhance the wear resistance and hardness of the ceramic rock plate.

Inventors

  • YANG WENDUAN
  • LIU FANG
  • PENG JIAMING
  • Feng Jinpiao

Assignees

  • 广东永航新材料实业股份有限公司

Dates

Publication Date
20260508
Application Date
20260105

Claims (10)

  1. 1. The wear-resistant and anti-fouling soft ceramic rock plate is polished after firing, and is characterized in that the soft ceramic rock plate is subjected to strengthening treatment after being polished, the strengthening treatment comprises the steps of introducing hydrogen bond functional groups into a brick body for activation, immersing the brick body in carbon nano tube suspension for dip-coating treatment, taking out the brick body for heating and drying, immersing the brick body in tetrahydrofuran coating liquid containing silane derivatives and curing agents, and curing to obtain a finished product.
  2. 2. The wear resistant and stain resistant soft ceramic rock plate of claim 1, wherein said carbon nanotube suspension comprises 0.5% -1% carbon nanotubes, 0.05% -0.1% sodium dodecyl sulfate, and 0.05% -0.1% hydroxypropyl cellulose.
  3. 3. A wear resistant and stain resistant soft ceramic rock plate according to claim 2 wherein said silane derivatives comprise one or more of methyltrimethoxysilane, perfluorodecyltriethoxysilane, octamethyl cyclotetrasiloxane.
  4. 4. A wear-resistant and fouling-resistant soft ceramic rock plate according to claim 2, characterized in that the carbon nanotubes are multi-walled carbon nanotubes with a purity >98% and a diameter of 4-6nm.
  5. 5. The preparation method of the wear-resistant and anti-fouling soft ceramic rock plate is characterized by comprising the following steps of: Step S1, firing a brick body sequentially comprising a green body layer, a ground glaze layer, a surface glaze layer and an ink-jet pattern layer from bottom to top; S2, edging and polishing the brick body, spraying an activating solution on the surface of the brick body, and heating and drying, wherein the activating solution is an ethanol solution containing 1% -3% of 3-aminopropyl triethoxysilane; Step S3, adding the functionalized carbon nano tube into deionized water according to the mass ratio of 0.5% -1%, adding sodium dodecyl sulfate according to the mass ratio of 0.05% -0.1%, adding hydroxypropyl cellulose according to the mass ratio of 0.05% -0.1%, and carrying out ultrasonic dispersion treatment to prepare a carbon nano tube suspension; Step S4, immersing the brick body treated in the step S2 into the carbon nano tube suspension prepared in the step S3 for dip-coating treatment for 10-15 minutes, carrying out ultrasonic vibration treatment simultaneously with the dip-coating treatment, taking out the brick body, and drying; And S5, immersing the brick body into tetrahydrofuran coating liquid containing silane derivatives and curing agents, taking out the brick body after 10-20 minutes, and heating and curing to obtain a finished product.
  6. 6. The method for preparing a wear-resistant and anti-fouling soft ceramic rock plate according to claim 5, wherein in the step S2, the spraying pressure is 0.35-0.45MPa, the drying temperature is 90-110 ℃, and the drying time is 20-40 minutes.
  7. 7. The method for preparing the wear-resistant and anti-fouling soft ceramic rock plate according to claim 5, wherein in the step S3, the ultrasonic frequency of ultrasonic dispersion treatment is 800kHz-1MHz, the treatment time is 50-80 minutes, and in the step S4, the ultrasonic frequency of ultrasonic vibration treatment is 80-100 kHz.
  8. 8. The method for preparing the wear-resistant and pollution-resistant soft ceramic rock plate according to claim 5, wherein the drying treatment in the step S4 is performed by air-drying at normal temperature for 20-40 minutes and then heating to 120-150 ℃ for 1-2 hours.
  9. 9. The method for preparing the wear-resistant and pollution-resistant soft ceramic rock plate according to claim 5, wherein the functionalized carbon nanotubes in the step S3 comprise the following steps: Step S31, mixing the carbon nano tube and concentrated nitric acid according to the mass ratio of 1:40-60, and heating and refluxing for reaction for 4-6 hours; And S32, centrifugally washing the carbon nanotubes with deionized water to be neutral in pH, and vacuum-drying at 75-85 ℃ for 11-13 hours.
  10. 10. The method for preparing the wear-resistant and anti-fouling soft ceramic rock plate according to claim 9, wherein the concentrated nitric acid in the step S31 is 65-68% concentrated nitric acid, the temperature of the reflux reaction is 70-90 ℃, and the reflux stirring speed is 150-250 rpm.

Description

Wear-resistant and anti-fouling soft ceramic rock plate and preparation method thereof Technical Field The invention belongs to the technical field of ceramics, and particularly relates to a wear-resistant and anti-fouling soft ceramic rock plate and a method for preparing the wear-resistant and anti-fouling soft ceramic rock plate. Background ‌ Soft light ceramic rock plates are ceramic rock plate products with surface reflectivity between strong light and matte, realize soft light scattering through diffuse reflection technology, have decorative and practical ‌ at the same time, and are suitable for scenes such as living rooms, study rooms and the like needing to balance vision comfort and space permeability. The Chinese patent application CN114276016A discloses a soft glaze ceramic rock plate and a preparation method thereof, and the soft glaze of the invention realizes the natural soft effect of the soft glaze ceramic rock plate by selecting proper proportion of SiO 2 and Al 2O3 and adding CaO, mgO, znO and SrO as composite fluxing matt agent, has fine and smooth surface, 31-38 DEG glossiness and excellent wear resistance. Meanwhile, the technical scheme simplifies the process flow for preparing the soft polished tile, saves the process time, has high-efficiency and economic benefits, but has the defects in the aspects of antifouling and wear resistance. Although the surface of the soft glaze ceramic rock plate is fine and smooth, the surface is easy to be polluted and difficult to clean when facing greasy dirt and stains. The invention discloses a ceramic rock plate with decorative effect and a production process thereof, wherein a cooperative protection layer of a micro-nano structure and a low surface energy coating is constructed on the surface of the ceramic rock plate through a post-treatment process comprising aluminum sulfate octadecabydrate dip coating, so that the antifouling and wear-resisting performances of the ceramic rock plate are obviously enhanced, and the ceramic rock plate reaches the highest level in the pollution resistance and wear resistance tests. However, after the aluminum sulfate octadecatriend is dip-coated, the aluminum sulfate octadecatriend needs to be calcined at 560 ℃ for 2 hours, the aluminum sulfate octadecatriend starts to lose crystallization water at about 250 ℃, and the formed vapor cannot smoothly escape in the glaze melting process, so that bubbles and pinholes are easily formed in a glaze layer, the surface flatness and glossiness are influenced, and the mechanical strength and the anti-fouling capability of the glaze surface are reduced. Disclosure of Invention Based on the problems in the prior art, the invention provides a wear-resistant and anti-fouling soft ceramic rock plate, the soft ceramic rock plate is subjected to polishing treatment after firing, and is subjected to strengthening treatment after polishing treatment, wherein the strengthening treatment comprises the steps of introducing hydrogen bond functional groups into a brick body for activation, immersing the brick body in a carbon nano tube suspension for dip-coating treatment, taking out the brick body, heating and drying the brick body, and then immersing the brick body in a tetrahydrofuran coating liquid containing silane derivatives and a curing agent for curing to obtain a finished product. Wherein the carbon nanotube suspension comprises 0.5% -1% of carbon nanotubes, 0.05% -0.1% of sodium dodecyl sulfate and 0.05% -0.1% of hydroxypropyl cellulose. Wherein the silane derivative comprises one or more of methyltrimethoxysilane, perfluorodecyl triethoxysilane and octamethyl cyclotetrasiloxane. Wherein the carbon nano tube is a multi-wall carbon nano tube with purity of more than 98% and diameter of 4-6nm. The invention also provides a preparation method of the wear-resistant and anti-fouling soft ceramic rock plate, which comprises the following steps: Step S1, firing a brick body sequentially comprising a green body layer, a ground glaze layer, a surface glaze layer and an ink-jet pattern layer from bottom to top; S2, edging and polishing the brick body, spraying an activating solution on the surface of the brick body, and heating and drying, wherein the activating solution is an ethanol solution containing 1% -3% of 3-aminopropyl triethoxysilane; Step S3, adding the functionalized carbon nano tube into deionized water according to the mass ratio of 0.5% -1%, adding sodium dodecyl sulfate according to the mass ratio of 0.05% -0.1%, adding hydroxypropyl cellulose according to the mass ratio of 0.05% -0.1%, and carrying out ultrasonic dispersion treatment to prepare a carbon nano tube suspension; Step S4, immersing the brick body treated in the step S2 into the carbon nano tube suspension prepared in the step S3 for dip-coating treatment for 10-15 minutes, carrying out ultrasonic vibration treatment simultaneously with the dip-coating treatment, taking out the brick body, and drying; And S5,