Preparation method of special epoxy resin paint for wind power blades resistant to salt spray
A technology for epoxy resin paint and wind power blades, applied in the field of paint, can solve the problems of blade life influence, coating corrosion, affecting blade surface quality, etc., and achieves good salt spray corrosion resistance, high adhesion, and good compatibility. Effect
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Embodiment 1
[0021] The first step, take epoxy resin 30Kg, acrylic resin 5Kg, amino resin 5Kg, rosin modified maleic acid resin 2Kg, polystyrene emulsion 2Kg, dimethylol propionic acid 1Kg, methyl methacrylate 2Kg, tert-butyl Base perbenzoate 1Kg, polyethylene wax 4Kg, alcohol-containing nitrocellulose 4Kg, butyl acetate 50Kg, ethylene glycol butyl ether 4Kg, mix homogeneously in mixer, and stirring speed is 800 rev / mins;
[0022] Step 2, add 3Kg of thickener and 4Kg of dispersant, mix evenly in the mixer, and the stirring speed is 1000 rpm;
[0023] Step 3: Add 2Kg of nonionic surfactant, 10Kg of pigment, and 15Kg of filler, mix evenly in a mixer at a stirring speed of 1000 rpm, grind to a fineness of less than 20 μm, and pack.
[0024] Described epoxy resin refers to epoxy resin E-44, and described amino resin refers to amino resin DM-225, and described thickener is polyurethane thickener, and described dispersant is lauryl Trimethyl ammonium chloride, described nonionic surfactant is T...
Embodiment 2
[0026] Step 1, take 50Kg of epoxy resin, 10Kg of acrylic resin, 10Kg of amino resin, 4Kg of rosin modified maleic acid resin, 4Kg of polystyrene emulsion, 3Kg of dimethylol propionic acid, 4Kg of methyl methacrylate, tert-butyl Base perbenzoate 3Kg, polyethylene wax 6Kg, alcohol-containing nitrocellulose 7Kg, butyl acetate 70Kg, ethylene glycol butyl ether 6Kg, mix homogeneously in mixer, and stirring speed is 1000 rev / mins;
[0027] Step 2, add 6Kg of thickener and 7Kg of dispersant, mix evenly in the mixer, and the stirring speed is 1200 rpm;
[0028] Step 3: Add 5Kg of nonionic surfactant, 20Kg of pigment, and 30Kg of filler, mix evenly in a mixer at a stirring speed of 1200 rpm, grind to a fineness of less than 20 μm, and pack.
[0029] Described epoxy resin refers to epoxy resin E-44, and described amino resin refers to amino resin DM-225, and described thickener is polyurethane thickener, and described dispersant is lauryl Sodium sulfate, described nonionic surfactant i...
Embodiment 3
[0031] Step 1, take 40Kg of epoxy resin, 6Kg of acrylic resin, 7Kg of amino resin, 3Kg of rosin modified maleic acid resin, 3Kg of polystyrene emulsion, 2Kg of dimethylol propionic acid, 3Kg of methyl methacrylate, tert-butyl Base perbenzoate 2Kg, polyethylene wax 5Kg, alcohol-containing nitrocellulose 6Kg, butyl acetate 60Kg, ethylene glycol butyl ether 5Kg, mix homogeneously in mixer, and stirring speed is 900 rev / mins;
[0032] Step 2, add 5Kg of thickener and 6Kg of dispersant, mix evenly in the mixer, and the stirring speed is 1100 rpm;
[0033] Step 3: Add 4Kg of nonionic surfactant, 15Kg of pigment, and 20Kg of filler, mix evenly in a mixer at a stirring speed of 1100 rpm, grind to a fineness of less than 20 μm, and pack.
[0034] Described epoxy resin refers to epoxy resin E-44, and described amino resin refers to amino resin DM-225, and described thickener is polyurethane thickener, and described dispersant is lauryl Sodium sulfate, described nonionic surfactant is T...
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