Polysiloxane topcoat for wind power generation equipment
A technology of polysiloxane and wind power equipment, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems that the VOC content of fluorocarbon topcoats cannot be reduced, and the environmental protection properties of wind energy do not match, and achieve hydrophobicity and low surface energy. Conducive to environmental protection and shorten the construction period
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[0043] Example 1:
[0044] A: acrylic modified polysiloxane resin 60
[0045] EFKA4061 0.1
[0046] Fumed silica 3
[0047] Rutile titanium dioxide 7
[0048] Precipitated barium sulfate 3
[0049] Quartz powder 15
[0050] Mica powder 7
[0051] TINUVIN 384 1
[0052] BYK-3541
[0053] Butyl acetate 2
[0054] Propylene glycol methyl ether acetate 0.9
[0055] B: γ-aminopropyl triethoxysilane
[0056] A:B=100:6
[0057] Among them, the acrylic modified polysiloxane resin has a theoretical Si-O-Si content of 10-15%.
[0058] The preparation method is:
[0059] 1. Part A:
[0060] 1) Take the required amount of acrylic poly and siloxane resin into the dispersion tank, add the required amount of wetting and dispersing agent and thixotropic agent, and disperse at high speed for 20 minutes to obtain mixture I;
[0061] 2) Under low-speed stirring, gradually add selected quantitative light-resistant pigment fillers, wear-resistant fillers, impact-resistant fillers,...
Example Embodiment
[0065] Example 2:
[0066] A: acrylic modified polysiloxane resin 70
[0067] EFKA4050 0.5
[0068] EFKA4061 0.5
[0069] Polyethylene wax 2.5
[0070] Rutile titanium dioxide 2
[0071] Fast Red 13
[0072] Emery 5
[0073] Talc 5
[0074] TINUVIN 1130 0.5
[0075] BYK-355 0.1
[0076] Propylene glycol methyl ether acetate 0.9
[0077] B: γ-Aminopropyltrimethoxysilane
[0078] A:B=100:6.5
[0079] Among them, the acrylic modified polysiloxane resin has a theoretical Si-O-Si content of 10-15%.
[0080] The preparation method is the same as in Example 1.
[0081] The performance of the prepared coating meets the technical specifications in Table 1, and the specific indicators are shown in Table 2.
Example Embodiment
[0082] Example 3:
[0083] A: acrylic modified polysiloxane resin 53
[0084] EFKA4060 0.6
[0085] EFKA4061 0.3
[0086] Organobentonite 1.5
[0087] Rutile titanium dioxide 7
[0088] Phthalocyanine blue 13
[0089] Corundum 6
[0090] Talc 15
[0091] TINUVIN 328 1
[0092] BYK-356 0.6
[0093] Butyl acetate 2
[0094] B: N-β (aminoethyl) γ-aminopropyl triethoxysilane
[0095] A:B=100:6.3
[0096] Among them, the acrylic modified polysiloxane resin has a theoretical Si-O-Si content of 10-15%.
[0097] The preparation method is the same as in Example 1.
[0098] The performance of the prepared coating meets the technical specifications in Table 1, and the specific indicators are shown in Table 2.
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