Zinc-plated substrate powder coating and preparation method thereof
A powder coating and base material technology, which is applied in the field of galvanized base material powder coating and preparation, can solve the problems of poor coating surface smoothness, poor powder coating adhesion, and affecting the service life of the coating, so as to improve adhesion, Effect of improving anti-rust ability and improving friction coefficient
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Embodiment 1
[0028] Example 1. A powder coating for galvanized substrates, the powder coating is composed of the following raw materials in parts by mass:
[0029] Epoxy resin, 55-65 parts; phenolic curing agent, 10-14 parts; titanium dioxide, 15-17 parts; carbon black, 0.06-0.10 parts; pigment green, 0.01-0.02 parts; iron yellow, 0.5-0.6 parts ; Leveling agent, 0.8-1.0 parts; Defoamer, 0.2-0.4 parts; Catalyst, 0.2-0.3 parts; Filler, 8-16 parts;
[0030] The leveling agent is composed of the following raw materials by mass: isooctyl methacrylate, 30.2-35.5 parts; hydroxypropyl acrylate, 21.2-29.5 parts; hydroxypropyl methacrylate, 18.8-25.1 parts; toluene solvent , 10-15 parts; silica microspheres, 8-10 parts; benzoyl peroxide, 0.2-0.4 parts; nano metal oxides, 0.6-1.2 parts;
[0031] The epoxy resin contains dysprosium metal oxide, and the mass ratio between the dysprosium metal oxide and the epoxy resin is 2:100-5:100.
[0032] The nano-metal oxides include nano-titanium oxides, nano-...
Embodiment 2
[0049] Embodiment 2, a kind of galvanized substrate powder coating, described powder coating is made up of the raw material of following mass parts:
[0050] Epoxy resin, 55 parts; phenolic curing agent, 10 parts; titanium dioxide, 15 parts; carbon black, 0.06 parts; pigment green, 0.01 parts; iron yellow, 0.5 parts; leveling agent, 0.8 parts; defoamer, 0.2 parts; Catalyst, 0.2 parts; Filler, 8 parts;
[0051] The leveling agent is composed of the following raw materials in parts by mass: isooctyl methacrylate, 30.2 parts; hydroxypropyl acrylate, 21.2 parts; hydroxypropyl methacrylate, 18.8 parts; toluene solvent, 10 parts; Silicon microspheres, 8 parts; Benzoyl peroxide, 0.2 parts; Nano metal oxides, 0.6 parts;
[0052] The epoxy resin contains dysprosium metal oxide, and the mass ratio between the dysprosium metal oxide and the epoxy resin is 2:100.
[0053] The nano-metal oxides include nano-titanium oxides, nano-platinum oxides and nano-beryllium oxides, and the mass rat...
Embodiment 3
[0056] Embodiment 3, a galvanized substrate powder coating, is characterized in that, described powder coating is made up of the raw material of following mass parts:
[0057] Epoxy resin, 60 parts; Phenolic curing agent, 12 parts; Titanium dioxide, 16 parts; Carbon black, 0.08 parts; Pigment green, 0.015 parts; Iron yellow, 0.55 parts; Leveling agent, 0.9 parts; Defoamer, 0.3 parts; Catalyst, 0.25 parts; Filler, 12 parts;
[0058] The leveling agent is composed of the following raw materials in parts by mass: isooctyl methacrylate, 33 parts; hydroxypropyl acrylate, 25.5 parts; hydroxypropyl methacrylate, 21 parts; toluene solvent, 13 parts; Silicon microspheres, 9 parts; Benzoyl peroxide, 0.3 parts; Nano metal oxides, 0.8 parts;
[0059] The epoxy resin contains dysprosium metal oxide, and the mass ratio between the dysprosium metal oxide and the epoxy resin is 3:100.
[0060] The nano-metal oxide includes nano-titanium oxide, nano-platinum oxide and nano-beryllium oxide, a...
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