Fluorocarbon coating good in adhesive force
A technology of fluorocarbon coatings and adhesion, applied in anti-corrosion coatings, fire-proof coatings, coatings, etc., can solve the problems of construction personnel poisoning, difficult implementation of tools, cleaning, etc., to achieve low VOC content, good adhesion, and extended use The effect of longevity
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Embodiment 1
[0015] A kind of fluorocarbon paint with good adhesion proposed by the present invention, its raw materials include by weight: 40 parts of polyvinylidene fluoride, 25 parts of acrylic modified alkyd resin, 2 parts of crosslinking agent, 30 parts of urea compound, glass 4 parts of microbeads, 8 parts of calcined kaolin, 4 parts of carbon nanotubes, 4 parts of nano-titanium dioxide, 1 part of magnesium oxide, 2 parts of waterproofing agent, 1 part of anti-aging agent, 3 parts of polyethylene wax.
Embodiment 2
[0017] A kind of fluorocarbon coating with good adhesion proposed by the present invention, its raw materials include by weight: 50 parts of polyvinylidene fluoride, 15 parts of acrylic modified alkyd resin, 4 parts of crosslinking agent, 20 parts of urea compound, glass 10 parts of microbeads, 2 parts of calcined kaolin, 8 parts of carbon nanotubes, 1 part of nano-titanium dioxide, 2 parts of magnesium oxide, 1 part of waterproofing agent, 3 parts of anti-aging agent, 1 part of polyethylene wax.
[0018] The urea complex is prepared by the following process: Stir formaldehyde, polyvinyl alcohol, ammonia water, and water, add urea, heat up and stir, use sodium hydroxide to adjust the pH of the system to 7.8-8.4, add alkali lignin, oxidized starch, borax, and heat up Stir, add diphenyldihydroxysilane and trimethoxyphenylsilane and mix evenly, add tetramethyldivinyldisiloxane, heat up and stir, cool to room temperature, and dry to obtain a urea complex.
Embodiment 3
[0020] A kind of fluorocarbon coating with good adhesion proposed by the present invention, its raw materials include by weight: 42 parts of polyvinylidene fluoride, 22 parts of acrylic modified alkyd resin, 2.5 parts of crosslinking agent, 28 parts of urea compound, glass 6 parts of microbeads, 6 parts of calcined kaolin, 5 parts of carbon nanotubes, 3 parts of nano-titanium dioxide, 1.5 parts of magnesium oxide, 1.5 parts of waterproofing agent, 1.5 parts of anti-aging agent, 2.5 parts of polyethylene wax.
[0021] The crosslinking agent comprises by weight: 1 part of caprolactam-blocked isophorone diisocyanate, and 2 parts of N,N-dimethylethanolamine.
[0022] The urea complex was prepared by the following process: Stir formaldehyde, polyvinyl alcohol, ammonia water, and water for 3 hours, add urea, raise the temperature to 138°C and stir for 0.8 hours, adjust the pH of the system to 7.8-8.4 with sodium hydroxide, add alkali lignin, Oxidized starch and borax, heat up to 90°...
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