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CN-121063831-B - Wear-resistant fingerprint-resistant glass cover plate for display screen and preparation process thereof

CN121063831BCN 121063831 BCN121063831 BCN 121063831BCN-121063831-B

Abstract

The invention discloses a wear-resistant fingerprint-resistant glass cover plate for a display screen and a preparation process thereof, and relates to the technical field of glass materials. Then, carrying out hydrosilane treatment on the etched glass cover plate, and then enabling the POSS layer to be firmly loaded on the surface of the glass cover plate through the addition reaction of alkenyl groups and silicon hydrogen bonds in the POSS mixed solution under ultraviolet, wherein the surface energy of the POSS layer is low, and the wear resistance of a coating can be improved, so that the wear resistance of the surface of the microcrystalline glass cover plate is improved. Meanwhile, the existence of the POSS layer is beneficial to the uniform extension of the zirconium-doped sol on the surface of the zirconium-doped sol, and the wear resistance and fingerprint resistance of the glass ceramic cover plate are improved.

Inventors

  • HUANG LONGSEN
  • XU YONGZE
  • LIN YAOBING
  • WENG ZHIBAO

Assignees

  • 东莞市捷润电子科技有限公司

Dates

Publication Date
20260512
Application Date
20250828

Claims (7)

  1. 1. A preparation process of a wear-resistant fingerprint-resistant glass cover plate for a display screen is characterized by comprising the following steps of: Taking a microcrystalline glass cover plate, cleaning the microcrystalline glass cover plate sequentially by using acetone, absolute ethyl alcohol and deionized water, taking out the microcrystalline glass cover plate, and drying the microcrystalline glass cover plate to obtain a cleaned microcrystalline glass cover plate; Spraying etching liquid on the surface of the cleaned microcrystalline glass cover plate, etching for 4-5min, and cleaning to obtain the etched microcrystalline glass cover plate; Placing the etched microcrystalline glass cover plate in trimethoxy silane solution, performing ultrasonic treatment for 20-30min, taking out, and hydrolyzing for 19-20h to obtain a microcrystalline glass cover plate modified by hydrogen silane; soaking the microcrystalline glass cover plate modified by the hydrosilane in POSS mixed solution, irradiating for 15-20min by using ultraviolet, taking out, solidifying, washing and drying to obtain microcrystalline glass cover plate A; Step five, taking a microcrystalline glass cover plate A, soaking the microcrystalline glass cover plate A in zirconium-doped sol for 5-10min, extracting, drying and calcining to obtain the wear-resistant fingerprint-resistant glass cover plate for the display screen; In the second step, the etching solution comprises the following components, by mass, 35-37% of ammonium bifluoride, 3-4% of potassium bifluoride, 3-3.5% of fluorosilicate, 20-25% of citric acid, 4-6% of phosphoric acid, 5-6% of barium sulfate and the balance of deionized water; Dissolving titanium tetrachloride in absolute ethyl alcohol, then dropwise adding ammonium fluorozirconate aqueous solution, polyethylene glycol aqueous solution, ammonia water and tetraethoxysilane, stirring for 30-40min, adding POSS aqueous solution, heating to 65-70 ℃, stirring for 1-2h, and cooling to obtain zirconium-doped sol.
  2. 2. The preparation process of the wear-resistant fingerprint-resistant glass cover plate for the display screen, which is disclosed in claim 1, is characterized in that in the third step, the preparation method of the trimethoxysilane solution is that trimethoxysilane and isopropanol are taken and stirred uniformly to obtain the trimethoxysilane solution.
  3. 3. The preparation process of the wear-resistant fingerprint-resistant glass cover plate for the display screen is characterized by comprising the following steps of taking trifluoropropyl trimethoxy silane, vinyl triethoxy silane, absolute ethyl alcohol, deionized water and hydrochloric acid, stirring for 30-40min, heating to 70-75 ℃, stirring for 5-6h, cooling to 25-30 ℃, reacting for 14-16h, recrystallizing, filtering, washing and drying to obtain POSS, taking POSS, dichloromethane and photoinitiator, and stirring uniformly to obtain the POSS mixed solution.
  4. 4. The process for preparing the wear-resistant fingerprint-resistant glass cover plate for the display screen, as claimed in claim 1, wherein the concentration of the POSS aqueous solution is (100-110) mg/mL.
  5. 5. The process for preparing the wear-resistant fingerprint-resistant glass cover plate for the display screen, as claimed in claim 1, wherein the concentration of the ammonium fluorozirconate aqueous solution is (20-22) mg/mL.
  6. 6. The process for preparing the wear-resistant fingerprint-resistant glass cover plate for the display screen, as claimed in claim 1, wherein the concentration of the polyethylene glycol aqueous solution is (10-11) mg/mL.
  7. 7. A wear-resistant fingerprint-resistant glass cover plate for a display screen, which is prepared by the preparation process of the wear-resistant fingerprint-resistant glass cover plate for a display screen according to any one of claims 1 to 6.

Description

Wear-resistant fingerprint-resistant glass cover plate for display screen and preparation process thereof Technical Field The invention relates to the technical field of glass materials, in particular to a wear-resistant fingerprint-resistant glass cover plate for a display screen and a preparation process thereof. Background With the high-speed popularization of touch interaction devices such as smart phones, tablet computers, vehicle-mounted displays and the like, the consumption of display screens is greatly improved. The glass cover plate on the outermost layer of the display screen not only needs to have high light transmittance, but also needs to meet multiple use requirements of fingerprint resistance, abrasion resistance, easy cleaning and the like. However, the display screen in the prior art has the defects that the conventional soda lime glass or aluminum silicon glass is scratched by keys, gravel and the like in daily use although the hardness is strong, so that the display definition is reduced. The glass cover plate is easy to be stained, and the use experience is also affected. In summary, in order to solve the problems and improve the wear-resistant and fingerprint-resistant performance of the glass cover plate, the application provides a wear-resistant and fingerprint-resistant glass cover plate for a display screen and a preparation process thereof. Disclosure of Invention The invention aims to provide a wear-resistant fingerprint-resistant glass cover plate for a display screen and a preparation process thereof, so as to solve the problems in the prior art. In order to achieve the above purpose, the present invention provides the following technical solutions: a preparation process of a wear-resistant fingerprint-resistant glass cover plate for a display screen comprises the following steps: Taking a microcrystalline glass cover plate, cleaning the microcrystalline glass cover plate sequentially by using acetone, absolute ethyl alcohol and deionized water, taking out the microcrystalline glass cover plate, and drying the microcrystalline glass cover plate to obtain a cleaned microcrystalline glass cover plate; Spraying etching liquid on the surface of the cleaned microcrystalline glass cover plate, etching for 4-5min, and cleaning to obtain the etched microcrystalline glass cover plate; Placing the etched microcrystalline glass cover plate in trimethoxy silane solution, performing ultrasonic treatment for 20-30min, taking out, and hydrolyzing for 19-20h to obtain a microcrystalline glass cover plate modified by hydrogen silane; soaking the microcrystalline glass cover plate modified by the hydrosilane in POSS mixed solution, irradiating for 15-20min by using ultraviolet, taking out, solidifying, washing and drying to obtain microcrystalline glass cover plate A; and fifthly, taking the microcrystalline glass cover plate A, soaking the microcrystalline glass cover plate A in zirconium-doped sol for 5-10min, extracting, drying and calcining to obtain the wear-resistant fingerprint-resistant glass cover plate for the display screen. More optimally, in the second step, the etching liquid consists of 35-37 wt% of ammonium bifluoride, 3-4 wt% of potassium bifluoride, 3-3.5 wt% of fluorosilicate, 20-25 wt% of citric acid, 4-6 wt% of phosphoric acid, 5-6 wt% of barium sulfate and the balance of deionized water according to mass percent. More optimally, in the step three, the preparation method of the trimethoxy silane solution comprises the steps of taking trimethoxy silane and isopropanol, and uniformly stirring to obtain the trimethoxy silane solution. More optimally, in the fourth step, the preparation method of the POSS mixed solution comprises the steps of taking trifluoropropyl trimethoxy silane, vinyl triethoxy silane, absolute ethyl alcohol, deionized water and hydrochloric acid, stirring for 30-40min, heating to 70-75 ℃, stirring for 5-6h, cooling to 25-30 ℃, reacting for 14-16h, recrystallizing, filtering, washing and drying to obtain POSS, taking POSS, dichloromethane and a photoinitiator, and stirring uniformly to obtain the POSS mixed solution. More optimally, in the fifth step, the preparation method of the zirconium-doped sol comprises the steps of dissolving titanium tetrachloride in absolute ethyl alcohol, then dropwise adding ammonium fluorozirconate aqueous solution, polyethylene glycol aqueous solution, ammonia water and tetraethoxysilane, stirring for 30-40min, adding POSS aqueous solution, heating to 65-70 ℃, stirring for 1-2h, and cooling to obtain the zirconium-doped sol. More preferably, the concentration of the POSS aqueous solution is (100-110) mg/mL. More preferably, the concentration of the ammonium fluorozirconate aqueous solution is (20-22) mg/mL. More preferably, the concentration of the polyethylene glycol aqueous solution is (10-11) mg/mL. Compared with the prior art, the invention has the beneficial effects that: 1. According to the invention, the etching solutio