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CN-121975324-A - Fluorosilicone resin composite material and water cup using same

CN121975324ACN 121975324 ACN121975324 ACN 121975324ACN-121975324-A

Abstract

The invention relates to the technical field of fluorosilicone resin water cups, in particular to a fluorosilicone resin composite material and a water cup using the same, wherein the fluorosilicone resin composite material comprises, by weight, 50-70 parts of hydroxyl-terminated polydimethylsiloxane, 10-20 parts of tetraethoxysilane, 25-35 parts of tridecyl fluorooctyl triethoxysilane, 5-15 parts of phenyltrimethoxysilane, 10-20 parts of dimethylbenzene, 3-8 parts of additives and 1-2 parts of dibutyltin dilaurate. According to the invention, ryegrass contains flavone and phenolic natural antibacterial components, lignin and phenol in powder have antibacterial property, phenolic hydroxyl groups of phenol can be combined with bacterial proteins to denature the proteins and inhibit bacterial growth, and the phenolic hydroxyl groups are matched with benzyl triethyl ammonium chloride in a base material for adding, so that bacteria can permeate to interfere metabolism of the bacteria, silver ions and quaternary ammonium salts can be slowly released through a resin matrix, the antibacterial effect is maintained for a long time, and the antibacterial property of the fluorosilicone resin composite material cup is improved.

Inventors

  • HUANG LIHUA
  • WANG CHUNLEI

Assignees

  • 吨吨健康科技集团有限公司

Dates

Publication Date
20260505
Application Date
20260206

Claims (10)

  1. 1. The fluorosilicone resin composite material is characterized by comprising, by weight, 50-70 parts of hydroxyl-terminated polydimethylsiloxane, 10-20 parts of tetraethoxysilane, 25-35 parts of tridecyl fluorooctyl triethoxysilane, 5-15 parts of phenyl trimethoxysilane, 10-20 parts of dimethylbenzene, 3-8 parts of additives and 1-2 parts of dibutyltin dilaurate; The additive is prepared by the following method: s1, preparing a base material, wherein the raw materials of the base material comprise benzyl triethyl ammonium chloride, oxalic acid dihydrate and additives; s2, preparing powder, wherein the raw materials of the powder comprise lignin, phenol, maleimide, silver nitrate solution and ammonia water, and the mass of the powder is 10-20% of the mass of the base material; And S3, mixing, namely mixing the base material and the powder to prepare the additive.
  2. 2. The fluorosilicone resin composite material according to claim 1, wherein the base material is prepared by the steps of carrying out oil bath stirring treatment on benzyl triethyl ammonium chloride and oxalic acid dihydrate at 80-90 ℃ for 2-4 hours, standing a product obtained after the oil bath stirring treatment for 4-6 hours, preparing a mixed solution, adding the mixed solution into a water bath kettle, setting the temperature of the water bath kettle to be 80-90 ℃, adding an additive into the water bath kettle, carrying out constant temperature stirring treatment for 2-4 hours, washing the obtained product by using deionized water, filtering to obtain a solid, and carrying out drying treatment on the solid in an oven at 50-70 ℃ for 2-4 hours to obtain the base material.
  3. 3. The fluorosilicone resin composite material according to claim 2, wherein the mass ratio of the benzyl triethyl ammonium chloride to the oxalic acid dihydrate is 1 (1-1.2), and the mass of the additive is 2-4 times of the mass of the mixed solution.
  4. 4. The fluorosilicone resin composite material according to claim 2, wherein the additive is prepared by dispersing food-grade fumed silica in absolute ethyl alcohol to obtain a suspension, dropwise adding perfluorooctyl triethoxysilane and 3-aminopropyl triethoxysilane into the suspension, stirring at 50-60 ℃ for 2-4 hours at 300-500r/min, centrifuging the obtained product, washing the obtained product with ethyl alcohol for 3 times, and vacuum drying the obtained product at 80-90 ℃ for 4-5 hours to obtain the additive.
  5. 5. The fluorosilicone resin composite according to claim 4, wherein the mass of the absolute ethyl alcohol is 10-15 times that of the food-grade fumed silica, the mass of the perfluorooctyl triethoxysilane is 2-3% that of the food-grade fumed silica, and the mass of the 3-aminopropyl triethoxysilane is 1-2% that of the food-grade fumed silica.
  6. 6. The fluorosilicone resin composite material according to claim 1, wherein the powder is prepared by adding lignin, phenol and maleimide into a mixer, stirring for 20-40 min at 200-400 r/min, adding the obtained product into a reaction kettle, adding silver nitrate solution and ammonia water into the reaction kettle, setting the temperature of the reaction kettle to 40-50 ℃, stirring at 300-500 r/min, stirring at a constant temperature for 40-60 min, filtering the obtained product to obtain a solid material, washing the solid material with deionized water, and drying the obtained product in an oven at 40-50 ℃ for 6-8 h to obtain the powder.
  7. 7. The fluorosilicone resin composite material according to claim 6, wherein the mass ratio of lignin, phenol and maleimide is 1 (0.1-0.2): 0.06-0.08.
  8. 8. The fluorosilicone resin composite material according to claim 6, wherein the mass of the silver nitrate solution is 40-60% of the mass of lignin, the mass of the ammonia water is 60-80% of the mass of the silver nitrate solution, and the mass concentration of the silver nitrate solution is 3-5%.
  9. 9. The preparation method of the fluorosilicone resin composite material according to claims 1-8, which is characterized by comprising the following steps: step one, adding hydroxyl-terminated polydimethylsiloxane and dimethylbenzene into a reaction kettle, and setting 200-400 r/min for stirring treatment for 30-50 min under the protection of nitrogen; Step two, after pre-mixing tetraethoxysilane, tridecafluorooctyltriethoxysilane and phenyltrimethoxysilane, dropwise adding the mixture into a reaction kettle in the step one, setting the temperature of the reaction kettle to be 50-70 ℃ after the dropwise adding is completed, reacting at constant temperature for 2-4 hours, cooling to 40-50 ℃, sequentially adding an additive and dibutyltin dilaurate, and setting the rotating speed to be 600-800 r/min, and stirring for 1-2 hours; And thirdly, adding the product obtained in the second step into a reduced pressure distillation kettle, and carrying out reduced pressure distillation treatment under the conditions of 100-130 ℃ and minus 0.095MPa to obtain the fluorosilicone resin composite material.
  10. 10. The application of the fluorosilicone resin composite material prepared by the preparation method of the fluorosilicone resin composite material, according to claim 9, is characterized by comprising the steps of adding the fluorosilicone resin composite material into an injection molding machine, performing melting treatment at 180-220 ℃, then injecting the melted material into a cavity of a cup mold, opening the mold after cooling and shaping, taking out a molded product, and performing trimming treatment to obtain the fluorosilicone resin composite material cup.

Description

Fluorosilicone resin composite material and water cup using same Technical Field The invention relates to the technical field of fluorosilicone resin water cups, in particular to a fluorosilicone resin composite material and a water cup using the same. Background The fluorosilicone resin is a high molecular material with main chain containing silica bond and side chain fluorocarbon group, combines high and low temperature resistance of organosilicon with chemical stability of fluorine material, has wide temperature resistant range, strong ultraviolet resistance and weather resistance, is not easy to age, and is widely used in the fields of paint, sealing elements, water cup and the like. In the prior art, the fluorosilicone resin composite material is generally adopted for preparing the water cup, however, after the water cup is used for a long time, the cup opening position of the water cup contacts with the mouth of a user for a long time, so that bacteria are adhered to the surface of the water cup, and the safe use of the fluorosilicone resin composite material water cup is affected. Based on the above, the invention provides a fluorosilicone resin composite material and a water cup using the same. Disclosure of Invention The invention aims to provide a fluorosilicone resin composite material and a water cup using the fluorosilicone resin composite material, and the fluorosilicone resin composite material water cup prepared by the invention not only has good antibacterial performance, but also has good shock resistance, and the service performance of the fluorosilicone resin composite material water cup is effectively improved. In order to achieve the above purpose, the present invention provides the following technical solutions: The fluorosilicone resin composite material comprises, by weight, 50-70 parts of hydroxyl-terminated polydimethylsiloxane, 10-20 parts of tetraethoxysilane, 25-35 parts of tridecyl fluorooctyl triethoxysilane, 5-15 parts of phenyl trimethoxysilane, 10-20 parts of dimethylbenzene, 3-8 parts of additives and 1-2 parts of dibutyltin dilaurate; The additive is prepared by the following method: s1, preparing a base material, wherein the raw materials of the base material comprise benzyl triethyl ammonium chloride, oxalic acid dihydrate and additives; s2, preparing powder, wherein the raw materials of the powder comprise lignin, phenol, maleimide, silver nitrate solution and ammonia water, and the mass of the powder is 10-20% of the mass of the base material; And S3, mixing, namely mixing the base material and the powder to prepare the additive. The preparation method of the base material comprises the steps of carrying out oil bath stirring treatment on benzyl triethyl ammonium chloride and oxalic acid dihydrate for 2-4 hours at the temperature of 80-90 ℃, standing the obtained product after the oil bath stirring treatment for 4-6 hours, preparing mixed liquid, adding the mixed liquid into a water bath kettle, setting the temperature of the water bath kettle to be 80-90 ℃, adding additives into the water bath kettle, carrying out constant temperature stirring treatment for 2-4 hours, washing the obtained product by using deionized water, then carrying out filtration treatment to obtain a solid, sending the solid into an oven, setting the temperature of the oven to be 50-70 ℃, and carrying out drying treatment for 2-4 hours to obtain the base material. Further, the mass ratio of the benzyl triethyl ammonium chloride to the oxalic acid dihydrate is 1 (1-1.2), and the mass of the additive is 2-4 times of that of the mixed solution. Further, the additive is prepared by dispersing food-grade fumed silica in absolute ethyl alcohol to obtain a suspension, dropwise adding perfluorooctyl triethoxysilane and 3-aminopropyl triethoxysilane into the suspension, stirring at 50-60 ℃ for 2-4 hours at 300-500 r/min, centrifuging the obtained product, washing the obtained product with ethanol for 3 times, and vacuum drying the obtained product at 80-90 ℃ for 4-5 hours to obtain the additive. Further, the mass of the absolute ethyl alcohol is 10-15 times of that of the food-grade fumed silica, the mass of the perfluorooctyl triethoxysilane is 2-3% of that of the food-grade fumed silica, and the mass of the 3-aminopropyl triethoxysilane is 1-2% of that of the food-grade fumed silica. The powder is prepared by the following steps of adding lignin, phenol and maleimide into a mixer, setting 200-400 r/min for stirring treatment for 20-40 min, adding the obtained product into a reaction kettle, adding silver nitrate solution and ammonia water into the reaction kettle, setting the temperature of the reaction kettle to be 40-50 ℃, stirring at 300-500 r/min, stirring at constant temperature for 40-60 min, filtering the obtained product to obtain a solid material, washing the solid material by deionized water, sending the obtained product into an oven, setting the oven to be 40-50 ℃ for drying treatment for 6