Corrosion-resisting thermosetting powder coating
A thermosetting powder, corrosion-resistant technology, used in powder coatings, anti-corrosion coatings, polyester coatings, etc., can solve the problems of poor corrosion resistance, poor weather resistance, poor durability, etc., to improve the curing rate and curing speed. , the effect of improving mechanical properties
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Embodiment 1
[0020] A corrosion-resistant thermosetting powder coating proposed by the present invention, its raw materials include the following components by weight: 50 parts of epoxy acrylic resin, 35 parts of vinyl chloride, 8 parts of carboxyl-terminated polyester resin, 5 parts of isocyanate, dimethacrylic acid 3 parts of methyl amino ethyl ester, 20 parts of hexafluorobutyl methacrylate, 1 part of 2-hydroxy-4-n-octyloxybenzophenone, tetrabutylammonium-di[methyl-phthalic disulfide] 2.5 parts of copper, 2 parts of tetradecanedioic acid, 3 parts of adipic acid, 1 part of calcium stearate, 5 parts of lanthanum stearate, 10 parts of tetraacicular zinc oxide whiskers, 10 parts of nano-zinc oxide, carbon 1 part of black, 10 parts of organically modified montmorillonite, 3 parts of corrosion inhibitor, 0.5 part of defoamer, 0.1 part of leveling agent, 0.8 part of degassing agent; the corrosion inhibitor is 2-mercaptobenzo Combinations of imidazole, methylbenzotriazole, 2-mercaptobenzothiazo...
Embodiment 2
[0022]A corrosion-resistant thermosetting powder coating proposed by the present invention, its raw materials include the following components by weight: 80 parts of epoxy acrylic resin, 20 parts of vinyl chloride, 20 parts of carboxyl-terminated polyester resin, 1 part of isocyanate, dimethacrylic acid 20 parts of methyl amino ethyl ester, 5 parts of hexafluorobutyl methacrylate, 4 parts of 2-hydroxy-4-n-octyloxybenzophenone, tetrabutylammonium-di[methyl-phthalic disulfide] 1 part of copper, 5 parts of tetradecanedioic acid, 0.5 part of adipic acid, 5 parts of calcium stearate, 3 parts of lanthanum stearate, 25 parts of tetraacicular zinc oxide whiskers, 2 parts of nano-zinc oxide, carbon 8 parts of black, 4 parts of organically modified montmorillonite, 12 parts of corrosion inhibitor, 0.1 part of defoamer, 0.8 part of leveling agent, 0.2 part of degassing agent; wherein, the corrosion inhibitor is 2-mercaptan A combination of benzimidazole, methylbenzotriazole, 2-mercaptobe...
Embodiment 3
[0024] A corrosion-resistant thermosetting powder coating proposed by the present invention, its raw materials include the following components in parts by weight: 70 parts of epoxy acrylic resin, 30 parts of vinyl chloride, 15 parts of carboxyl-terminated polyester resin, 4 parts of isocyanate, dimethacrylic acid 12 parts of methyl amino ethyl ester, 13 parts of hexafluorobutyl methacrylate, 3 parts of 2-hydroxy-4-n-octyloxybenzophenone, tetrabutylammonium-bis[methyl-phthalate disulfide] 1.7 parts of copper, 4.2 parts of tetradecanedibasic acid, 2.3 parts of adipic acid, 4 parts of calcium stearate, 4.2 parts of lanthanum stearate, 20 parts of tetraacicular zinc oxide whiskers, 7.8 parts of nano-zinc oxide, carbon Black 6.7 parts, organically modified montmorillonite 8.2 parts, corrosion inhibitor 9 parts, defoamer 0.4 parts, leveling agent 0.6 parts, degassing agent 0.6 parts;
[0025] Wherein, the epoxy value of the epoxy acrylic resin is 0.3; the average particle diameter ...
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