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Superhydrophobic acrylic resin paint

An acrylic resin and super-hydrophobic technology, which is applied in coatings and other directions, can solve the problems of poor surface water resistance, no self-cleaning performance, and easy accumulation of dust, etc., and achieve the effect of low cost, good industrial application prospects, and simple construction technology

Inactive Publication Date: 2012-04-18
袁志庆 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Coatings are widely used in construction, industry, agriculture and other fields. However, the surface of ordinary coatings is poor in water resistance, easy to accumulate dust, and has no self-cleaning performance

Method used

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  • Superhydrophobic acrylic resin paint
  • Superhydrophobic acrylic resin paint
  • Superhydrophobic acrylic resin paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Measure 30ml of acetone, 50ml of ethyl acetate and 20ml of ethanol with a graduated cylinder and add them to a 300ml beaker to form a mixed solvent;

[0025] (2) Take by weighing 20 grams of nano-calcium carbonate and 80 grams of nano-silicon dioxide respectively with an electronic analytical balance and join in the mixed solvent and stir with a magnetic stirrer for 30 minutes to form a solution composed of nanoparticles;

[0026] (3) 0.1 gram of silane coupling agent was added to the nanoparticle solution and continued to stir for 30 minutes;

[0027] (4) Weigh 3 grams of heptadecafluorotrimethoxyethoxysilane and add it to the nanoparticle solution and stir for 10 minutes;

[0028] (5) Weigh 20 grams of acrylic resin and add it to the above nanoparticle solution and stir for 120 minutes to obtain a superhydrophobic acrylic resin coating; use a spray gun to spray the coating on a smooth ceramic surface and place it in an oven Cured at 100°C for 5 hours, after cooli...

Embodiment 2

[0030] (1) Measure 60ml of acetone, 100ml of ethyl acetate and 40ml of ethanol with a graduated cylinder and add them to a 500ml beaker to form a mixed solvent;

[0031] (2) Take by weighing 10 grams of nano-calcium carbonate and 90 grams of nano-silicon dioxide respectively with an electronic analytical balance and join in the mixed solvent and stir with a magnetic stirrer for 30 minutes to form a solution composed of nanoparticles;

[0032] (3) 0.2 gram of silane coupling agent was added to the nanoparticle solution and continued to stir for 30 minutes;

[0033] (4) Weigh 5 grams of heptadecafluorotrimethoxyethoxysilane and add it to the nanoparticle solution and stir for 10 minutes;

[0034] (5) Weigh 30 grams of acrylic resin and add it to the above-mentioned nanoparticle solution and stir for 120 minutes to obtain a superhydrophobic acrylic resin coating; use a spray gun to spray the coating on a smooth stainless steel surface and place it in an oven Cured at 100°C for 5...

Embodiment 3

[0036] (1) Measure 90ml of acetone, 150ml of ethyl acetate and 60ml of ethanol with a graduated cylinder and add them to a 1000ml beaker to form a mixed solvent;

[0037] (2) Take by weighing 10 grams of nano-calcium carbonate and 90 grams of nano-silicon dioxide respectively with an electronic analytical balance and join in the mixed solvent and stir with a magnetic stirrer for 30 minutes to form a solution composed of nanoparticles;

[0038] (3) 0.2 gram of silane coupling agent was added to the nanoparticle solution and continued to stir for 30 minutes;

[0039] (4) Weigh 10 grams of heptadecafluorotrimethoxyethoxysilane and add it to the nanoparticle solution and stir for 10 minutes;

[0040] (5) Weigh 50 grams of acrylic resin and add it to the above nanoparticle solution and stir for 120 minutes to obtain a superhydrophobic acrylic resin coating; use a spray gun to spray the coating on a smooth glass surface and place it in an oven Cured at 100°C for 5 hours, after cool...

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Abstract

The invention provides a superhydrophobic acrylic resin paint. The paint comprises a nanoparticle, an acrylic resin, a mixed solvent, and heptadecafluoro trimethoxy ethoxy silane, wherein the ratio of the nanoparticle to the acrylic resin to the mixed solvent to heptadecafluoro trimethoxy ethoxy silane is 100:20-60:20-600:3-10. When the paint is sprayed on the surface of a solid, the contact angle of water drops on the surface is 150-160DEG, and the roll angle of the water drops on the surface is less than 10DEG. The superhydrophobic acrylic resin paint of the invention, which has the advantages of low cost, simple construction technology and small pollution to environment, has a good industrialized application prospect.

Description

Technical field: [0001] The invention describes a superhydrophobic acrylic resin coating suitable for various surfaces. Background technique: [0002] Coatings are widely used in construction, industry, agriculture and other fields. However, the surface of ordinary coatings is poor in water resistance, easy to accumulate dust, and has no self-cleaning performance. The development of coatings with super waterproof performance and self-cleaning property has become an urgent demand of domestic and foreign markets and users. [0003] Inspired by the lotus leaf effect, superhydrophobic materials with surface-water contact angles greater than 150° have attracted widespread interest in recent years. The typical characteristics of super-hydrophobic materials are: when water droplets form shiny spherical water droplets on the surface of super-hydrophobic materials, as long as the surface of the material is slightly tilted or under the action of a breeze, the water droplets will quic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D7/12
Inventor 袁志庆谢旭初王许南徐训蒙
Owner 袁志庆
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