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CN-121991568-A - Environment-friendly waterproof high-gloss wear-resistant waterborne epoxy spraying floor paint and preparation method thereof

CN121991568ACN 121991568 ACN121991568 ACN 121991568ACN-121991568-A

Abstract

The invention discloses an environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint and a preparation method thereof, and relates to the field of water-based epoxy resin paint, wherein the component A comprises the following raw materials, by weight, 45-50 parts of water-based epoxy resin, 1.5-2 parts of nano silica sol, 3-4 parts of nano cellulose suspension, 5-6 parts of water-based polyurethane, 0.3-0.5 part of fatty alcohol polyoxyethylene ether and 40-45 parts of water; the component B comprises the following raw materials, by weight, 35-40 parts of a functional curing agent, 15-20 parts of polyether amine and 40-50 parts of water. The invention uses the functional curing agent and is matched with other raw materials with proper dosage to endow the obtained water-based epoxy spraying floor paint with stronger waterproofness, higher glossiness and wear resistance.

Inventors

  • LIU GUOWEI
  • YAN DEQIANG
  • LI GUOJUAN
  • Liu Xianran
  • LIU JIAJIA

Assignees

  • 东营三乐建筑装修工程有限公司

Dates

Publication Date
20260508
Application Date
20260209

Claims (10)

  1. 1. An environment-friendly waterproof high-gloss wear-resistant waterborne epoxy spraying floor paint is characterized by comprising a component A and a component B; The component A comprises the following raw materials, by weight, 45-50 parts of aqueous epoxy resin, 1.5-2 parts of nano silicon dioxide sol, 3-4 parts of nano cellulose suspension, 5-6 parts of aqueous polyurethane, 0.3-0.5 part of fatty alcohol polyoxyethylene ether and 40-45 parts of water; The component B comprises the following raw materials, by weight, 35-40 parts of a functional curing agent, 15-20 parts of polyether amine and 40-50 parts of water.
  2. 2. The environment-friendly waterproof high-gloss wear-resistant waterborne epoxy spraying floor paint is characterized in that the functional curing agent comprises the following steps: mixing nano titanium dioxide and ethanol solution, performing ultrasonic dispersion, adding oleic acid, stirring, heating, refluxing and stirring to obtain a product a1; Mixing and ultrasonically dispersing a product a1 and absolute ethyl alcohol, adding m-chloroperoxybenzoic acid, heating and stirring for reaction to obtain a product a2, mixing and ultrasonically dispersing the product a2 and ethyl acetate, adding nitroaniline, and stirring at room temperature to obtain a product a3; And (3) mixing the product a3, anhydrous DMF and epoxy group-containing alkoxysilane in a protective gas, performing ultrasonic dispersion, adding triethylamine, heating and stirring to obtain a product a4, mixing the product a4, ethanol and deionized water, performing ultrasonic dispersion, adding sodium dithionite, and performing heating and stirring reaction to obtain the functional curing agent.
  3. 3. The environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint is characterized in that in the step (1), the dosage ratio of the nano titanium dioxide to the ethanol solution to the oleic acid is 10-12g:60-70mL:0.8-1.2g.
  4. 4. The environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint is characterized in that in the step (2), the dosage ratio of the product a1 to absolute ethyl alcohol to m-chloroperoxybenzoic acid is 12-14g:65-75mL:1.5-2g.
  5. 5. The environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint is characterized in that in the step (2), the dosage ratio of the product a2 to ethyl acetate to nitroaniline is 14-16g:70-80mL:1.8-2.2g, and the nitroaniline is p-nitroaniline.
  6. 6. The environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint is characterized in that in the step (3), the dosage ratio of the product a3 to anhydrous DMF to epoxy-containing alkoxysilane to triethylamine is 16-18g to 80-90mL to 5-6g to 0.8-1.2g, and the epoxy-containing alkoxysilane is 3-glycidoxypropyl triethoxysilane or 3-glycidoxypropyl trimethoxysilane.
  7. 7. The environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint is characterized in that in the step (3), the dosage ratio of the product a4 to ethanol to deionized water to sodium dithionite is 18-20g to 80-90mL to 20-25mL to 4-5g.
  8. 8. A method for preparing the environment-friendly waterproof, highlight and wear-resistant water-based epoxy spraying floor paint according to any one of claims 1 to 7, which is characterized by comprising the following steps: Stirring the aqueous epoxy resin, adding the nano cellulose suspension, continuing stirring, adding the nano silica sol and the aqueous polyurethane, continuing stirring, adding water, increasing the rotating speed, adding the fatty alcohol polyoxyethylene ether, and continuing stirring to obtain a component A; And (II) mixing the functional curing agent and water, performing ultrasonic dispersion, adding polyether amine, stirring, adding water, and continuously stirring to obtain a component B, and mixing the component A and the component B before use, stirring, and standing to obtain the environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint.
  9. 9. The preparation method of the environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint is characterized in that in the step (one), the stirring rotation speed before the rotation speed is increased is 300-400rpm, and the stirring rotation speed after the rotation speed is increased is 600-700rpm.
  10. 10. The preparation method of the environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint is characterized in that in the second step, water is added twice, the volume ratio of the first adding amount to the second adding amount is 3:2, and the components A and B are mixed according to the mass ratio of 4-6:1.

Description

Environment-friendly waterproof high-gloss wear-resistant waterborne epoxy spraying floor paint and preparation method thereof Technical Field The invention relates to the field of water-based epoxy resin coatings, in particular to environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint and a preparation method thereof. Background The water-based epoxy floor paint has the advantages of low VOC emission, strong adhesive force, high environmental protection and the like, and has advantages in floor paint. However, in the actual use process, after the waterborne epoxy floor paint is solidified into a film, the effect of high gloss is difficult to achieve, and the problem that the gloss of a paint film gradually decreases and the paint film softens frequently is caused after long-term mopping with water or long-term in an environment with higher humidity, so that the waterproofness of the waterborne epoxy floor paint is also bad. Because of the special use environment of the floor paint, the floor paint can be inevitably rolled and stepped to leave marks, so that the wear resistance of the water-based epoxy floor paint is required to be higher. The nano titanium dioxide is white nano powder, meets the high glossiness requirement of the waterborne epoxy floor paint, is beneficial to improving the performances such as wear resistance and the like of the floor paint, but is easy to agglomerate in a waterborne epoxy resin matrix. Based on the method, how to apply the nano titanium dioxide to the water-based epoxy floor paint to obtain the water-based epoxy spray-type floor paint with high glossiness, high wear resistance and good waterproofness needs to be further researched. Disclosure of Invention In order to solve the technical problems, the invention provides an environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint and a preparation method thereof. The aim of the invention can be achieved by the following technical scheme: an environment-friendly waterproof high-gloss wear-resistant waterborne epoxy spraying floor paint comprises a component A and a component B; The component A comprises the following raw materials, by weight, 45-50 parts of aqueous epoxy resin, 1.5-2 parts of nano silicon dioxide sol, 3-4 parts of nano cellulose suspension, 5-6 parts of aqueous polyurethane, 0.3-0.5 part of fatty alcohol polyoxyethylene ether and 40-45 parts of water; The component B comprises the following raw materials, by weight, 35-40 parts of a functional curing agent, 15-20 parts of polyether amine and 40-50 parts of water. The preparation method of the environment-friendly waterproof high-gloss wear-resistant waterborne epoxy spraying floor paint comprises the following steps: Stirring the aqueous epoxy resin, adding the nano cellulose suspension, continuing stirring, adding the nano silica sol and the aqueous polyurethane, continuing stirring, adding water, increasing the rotating speed, adding the fatty alcohol polyoxyethylene ether, and continuing stirring to obtain a component A; And (II) mixing the functional curing agent and water, performing ultrasonic dispersion, adding polyether amine, stirring, adding water, and continuously stirring to obtain a component B, and mixing the component A and the component B before use, stirring, and standing to obtain the environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint. Further, the preparation method of the environment-friendly waterproof high-gloss wear-resistant water-based epoxy spraying floor paint comprises the following specific steps: Stirring the aqueous epoxy resin for 10-15min, adding the nano cellulose suspension, continuously stirring for 20-30min, adding the nano silica sol and the aqueous polyurethane, continuously stirring for 25-30min, adding water, increasing the rotating speed, adding the fatty alcohol polyoxyethylene ether, and continuously stirring for 10-20min to obtain a component A; Further, the stirring rotation speed before the rotation speed is increased is 300-400rpm, and the stirring rotation speed after the rotation speed is increased is 600-700rpm; Mixing the functional curing agent and water, performing ultrasonic dispersion for 30-40min, adding polyether amine, stirring for 10-15min at the rotating speed of 500-600rpm, adding water, and continuously stirring for 1-1.2h to obtain a component B; further, in the step (II), the water is added twice, the volume ratio of the first adding amount to the second adding amount is 3:2, and the component A and the component B are mixed according to the mass ratio of 4-6:1. Further, the preparation method of the functional curing agent comprises the following steps: mixing nano titanium dioxide and ethanol solution, performing ultrasonic dispersion, adding oleic acid, stirring, heating, refluxing and stirring to obtain a product a1; Mixing and ultrasonically dispersing a product a