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A kind of composite nano coating and preparation method thereof

A nano-coating, nano-technology, applied in the field of coatings, can solve problems affecting human health, pollution, etc., and achieve the effect of strong adhesion and strong thermal conductivity

Inactive Publication Date: 2015-10-28
DONGGUAN YUNCHENG PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the coatings sold on the market in our country contain organic solvents. Although some powder materials are inorganic powders, the material components used contain certain toxic fillers, which will produce certain pollution during production and use and affect human beings. health

Method used

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  • A kind of composite nano coating and preparation method thereof
  • A kind of composite nano coating and preparation method thereof
  • A kind of composite nano coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Weigh 100g of water-based polyurethane and 15g of water-based epoxy resin, and mix them, then disperse them with a high-speed disperser for 5 minutes, then add 10g of nano-ionic silver, 10g of release agent, 2g of leveling agent, 2g of dispersant, 2g of adhesive and 2g defoamer, disperse for another 10min, defoam, then add 10g nano fumed silica, after dispersion, add 120g water and 50g alcohol, fully disperse for 30min, then carry out nanoscale sand milling.

Embodiment 2

[0023] Weigh 100g of water-based polyurethane and 5g of water-based epoxy resin, mix them, and disperse them with a high-speed disperser for 10 minutes, then add 1g of nano-ionic silver, 1g of release agent, 0.2g of leveling agent, 0.2g of dispersant, and 0.2g of Adhesive agent and 0.2g defoaming agent, then dispersed for 15 minutes, defoamed, then added 1g of nano fumed silica, after dispersion, added 30g of water and 5g of alcohol, fully dispersed for 30 minutes and then carried out nano-scale sand milling.

Embodiment 3

[0025] Weigh 100g of water-based polyurethane and 10g of water-based epoxy resin, mix them, and disperse them with a high-speed disperser for 15 minutes, then add 5g of nano-ionic silver, 5g of release agent, 5g of leveling agent, 1g of dispersant, 1g of adhesive and 1g defoamer, disperse for another 30 minutes, defoam, then add 5g of nano fumed silica, after dispersion, add 60g of water and 30g of alcohol, fully disperse for 40min, then carry out nano-scale sand milling.

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Abstract

The invention discloses a composite nano coating and a preparation method thereof and relates to the field of coatings. The formula of the composite nano coating comprises raw materials and auxiliaries, the raw materials include an aqueous amino-acid resin, an aqueous epoxy resin, nano ion silver and nano fumed silica, and the auxiliaries include a parting agent, a flatting agent, a dispersing agent, an adhesive agent, an antifoaming agent, purified water and alcohol. The preparation method of the composite nano coating includes weighing water borne polyurethane and the aqueous epoxy resin based on requirements, mixing the water borne polyurethane and the aqueous epoxy resin to obtain a mixture, dispersing the mixture for 5-15 minutes by a high-speed dispersion machine, adding a certain amount of the nano ion silver, the parting agent, the flatting agent, the dispersing agent, the adhesive agent and the antifoaming agent, dispersing for 10-30 minutes, removing bubbles, adding the nano fumed silica and the parting agent, adding a certain amount of the water and the alcohol after the dispersion, fully dispersing for 30-50 minutes, and performing a nanoscale sanding. The composite nano coating has the advantages that the coating adhesive force and the thermal conductivity are high, and the coating is corrosion resistant and has a hydrophobic effect.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a composite nano coating and a preparation method thereof. Background technique [0002] At present, the coatings sold on the market in our country contain organic solvents. Although some powder materials are inorganic powders, the material components used contain certain toxic fillers, which will produce certain pollution during production and use and affect human beings. health. [0003] Due to the small size effect, surface effect, quantum size effect and macroscopic quantum tunneling effect of nanoparticles, they exhibit characteristics that conventional materials do not have in terms of magnetism, light, electricity, and sensitivity. Therefore, nanoparticles have broad application prospects in magnetic materials, electronic materials, optical materials, sintering of high-density materials, catalysis, sensing, and ceramic toughening. Generally speaking, nano-coatings must meet two c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D163/00C09D7/12
Inventor 陈健文
Owner DONGGUAN YUNCHENG PAINT
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