Preparation method of low surface energy type hydrophobic marine antifouling paint
A marine antifouling, low surface energy technology, applied in antifouling/underwater coatings, coatings, paints containing biocides, etc. Stability, avoidance of contamination, uniform dispersion effect
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[0021] Example 1
[0022] Weigh 16g of nanometer titanium dioxide and 12g of nanometer silicon dioxide, grind and grind for 8 minutes, pass through a 100-mesh sieve, collect the sieved powder, according to the mass ratio of 3:5:1:1, the sieved powder, distilled water, sesame oil and silane coupling agent KH-570 was mixed and placed in a 500mL flask and stirred for 6 minutes, and then the stirred flask was placed in an ultrasonic disperser for ultrasonic dispersion for 16 minutes. After dispersion, it was heated and refluxed at 80°C for 2 hours to obtain a reaction solution. After washing the reaction solution for 4 minutes, it is air-dried naturally, and the material is grinded to obtain a modified sieved powder. Measure 45mL xylene, 12mL methyl methacrylate, 6mL butyl acrylate and 1mL acrylic acid, mix and pour it into containing 2g azobisisobutyl Shake the nitrile constant pressure dropping funnel for 6 minutes to obtain a self-made mixture. Then add 35 mL of xylene to a four-n...
Example Embodiment
[0023] Example 2
[0024] Weigh 18g of nanometer titanium dioxide and 14g of nanometer silicon dioxide, mix, grind and grind for 9 minutes, pass through a 100-mesh sieve, collect the sieved powder, according to the mass ratio of 3:5:1:1, sieve the powder, distilled water, sesame oil and silane coupling agent KH-570 was mixed and placed in a 500mL flask and stirred for 7 minutes, and then the stirred flask was placed in an ultrasonic disperser for ultrasonic dispersion for 18 minutes. After dispersion, it was heated and refluxed for 3 hours at a temperature of 90℃ to obtain a reaction solution. After washing the reaction solution for 5 minutes, it is air-dried naturally, and the material is grinded to obtain a modified sieved powder. Measure 50mL xylene, 14mL methyl methacrylate, 7mL butyl acrylate and 2mL acrylic acid, mix and pour into the mixture containing 3g azobisisobutyl Shake the nitrile constant pressure dropping funnel for 7 minutes to obtain a self-made mixture. Then ad...
Example Embodiment
[0025] Example 3
[0026] Weigh 20g of nano-titanium dioxide and 16g of nano-silica, mix, grind and grind for 10 minutes, pass through a 100-mesh sieve, collect the sieved powder, and mix the sieved powder, distilled water, sesame oil and silane coupling agent at a mass ratio of 3:5:1:1 KH-570 was mixed and placed in a 500mL flask and stirred for 8 minutes, then the stirred flask was placed in an ultrasonic disperser for ultrasonic dispersion for 20 minutes. After dispersion, it was heated and refluxed for 4 hours at a temperature of 100°C to obtain a reaction solution. After washing the reaction solution for 6 minutes, it is naturally air-dried and the material is grinded to obtain a modified sieved powder. Measure 55 mL of xylene, 16 mL of methyl methacrylate, 8 mL of butyl acrylate and 3 mL of acrylic acid, mix and pour into the mixture containing 4 g of azobisisobutyl Shake the nitrile constant pressure dropping funnel for 8 minutes to obtain a self-made mixture. Then add 55 ...
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