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Hydrophobic anti-fouling ultraviolet curing coating and preparation method thereof

A curing coating, hydrophobic technology, used in epoxy resin coatings, coatings, etc., can solve the problems of low curing temperature, high viscosity, poor surface curing, etc.

Inactive Publication Date: 2021-12-07
武汉格林鸿业新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

UV-curable coatings have the advantages of short curing time, low curing temperature, and low volatile matter. They are energy-saving, resource-saving, pollution-free, and high-efficiency new coating varieties: but at the same time, they also have poor surface curing, insufficient weather resistance, and high viscosity. , intolerance to dirt and other issues, affecting the further development of UV curable coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] First prepare bisphenol A epoxy acrylate: weigh 91.2g of bisphenol A epoxy resin 828 and 0.018g of p-methoxyphenol, record it as No. 1, stir slowly at 70°C, mix 72g of acrylic acid and 0.91g of Tetraethylammonium bromide was mixed evenly, and added dropwise to 1, the dropping time was 30 minutes, the reaction temperature was 105°C, the total reaction time was 3 hours, and the obtained product was sealed and stored away from light.

[0040] Preparation of graphene-modified bisphenol A epoxy acrylic resin. Solution A: Take a beaker and weigh 30g bisphenol A epoxy acrylate and 12g trimethylolpropane triacrylate (reactive diluent), stir quickly and evenly, then add 1.5g 1-hydroxy-cycloethyl-phenyl Methanone (photoinitiator) and 1g KH-550 silane coupling agent continue to stir evenly; Solution B: Get a beaker and take by weighing 5g bisphenol A epoxy acrylate, 5g trimethylolpropane triacrylate (reactive diluent ), stir quickly, then add 0.02g graphene and continue to stir e...

Embodiment 2

[0044] Preparation of graphene-modified bisphenol A epoxy acrylic resin. Solution A: Take a beaker and weigh 35g of bisphenol A epoxy acrylate and 18g of trimethylolpropane triacrylate in Example 1, stir quickly and evenly, then add 2.5g of 2-hydroxyl-2-methyl-1 Phenyl-1-propyl ketone (photoinitiator) and 1.5g KH-550 silane coupling agent continue to stir evenly; solution B: take a beaker and weigh 6g bisphenol A epoxy acrylate, 5g trimethylol Propane triacrylate, stir quickly and evenly, then add 0.05g graphene and continue to stir evenly. Mix solutions A and B uniformly at a weight ratio of 95:5 to obtain graphene-modified bisphenol A epoxy acrylic resin. The above-mentioned preparation process is all carried out at room temperature, and the obtained solutions must be stored in the dark.

[0045] First prepare bisphenol A epoxy acrylate: weigh 91.2g of bisphenol A epoxy resin 828 and 0.018g of p-methoxyphenol, record it as No. 1, stir slowly at 70°C, mix 72g of acrylic aci...

Embodiment 3

[0049] Preparation of graphene-modified bisphenol A epoxy acrylic resin. Solution A: Take a beaker and weigh 30g of bisphenol A epoxy acrylate and 15g of trimethylolpropane triacrylate in Example 1, stir quickly and evenly, then add 2.5g of 2-hydroxyl-2-methyl-1 Phenyl-1-propyl ketone and 1.5g KH-570 silane coupling agent continue to stir evenly; solution B: Take a beaker and weigh 6g bisphenol A epoxy acrylate, 5g trimethylolpropane triacrylate, quickly Stir evenly, then add 0.08g graphene and continue to stir evenly. Mix solutions A and B uniformly at a weight ratio of 95:5 to obtain graphene-modified bisphenol A epoxy acrylic resin. The above-mentioned preparation process is all carried out at room temperature, and the obtained solutions must be stored in the dark.

[0050] Weigh 25g graphene-modified bisphenol A type epoxy acrylic resin, 12g hydroxyethyl methacrylate (reactive diluent), 12.5g butyl acetate, 3g benzophenone, 2g polydimethylsiloxane at room temperature Al...

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PUM

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Abstract

The invention discloses a hydrophobic anti-fouling ultraviolet curing coating and a preparation method thereof. The coating is prepared from the following raw materials in parts by weight: 40 to 50 parts of graphene modified bisphenol A type epoxy acrylic resin, 20 to 30 parts of a reactive diluent, 20 to 25 parts of a solvent, 5 to 10 parts of a photoinitiator, 1 to 5 parts of a leveling agent, and 0.1 to 1 part of functional acrylic resin containing double bonds. The preparation method comprises the steps: adding the components into a reaction container in parts by weight, and stirring and dispersing at a high speed for 3.5-5.5 hours. According to the invention, the problems of toughness strength, wear resistance and self-repairing of a common anti-fouling coating layer are solved.

Description

technical field [0001] The invention relates to the field of ultraviolet curing coatings, in particular to hydrophobic and antifouling ultraviolet curing coatings and a preparation method thereof. Background technique [0002] Traditional coating curing usually removes the solvent in the polymer solution by heating, that is, physical drying, to obtain a hardened paint film. UV curing is to use the energy of ultraviolet light to initiate the polymerization and crosslinking reaction between the low molecular prepolymer or oligomer in the coating and the monomer molecule as a reactive diluent to obtain a hardened paint film. The essence is to form a chemical bond. Achieve chemical drying. [0003] Curing coatings are also called photosensitive coatings, and those that use ultraviolet light as the energy source for coating curing are called UV-curing coatings. Ultraviolet (UV) curing coatings do not require heating and can quickly cure into films on flammable substrates such a...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D133/00C09D7/61
CPCC09D163/10C09D7/61C08L33/00C08K3/042
Inventor 王楠陈志刚
Owner 武汉格林鸿业新材料科技有限公司
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