Surface treatment agent capable of generating brown stable rust layer
A surface treatment agent and a stable technology, applied in the field of surface treatment agents, can solve the problems of insufficient rust protection stability, and achieve the effects of excellent anti-rust liquid sag performance, dense color, and excellent metal protection performance.
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Embodiment 1
[0022] A surface treatment agent that generates a brown stable rust layer. The components and their mass percentages are: alcohol-soluble phenolic novolac 30%, NiSO 4 25%, CuSO 4 2%, Sodium Tungstate 3%, Trisodium Phosphate 5%, NaHSO 3 5%, methanol 30%, weigh each raw material according to the above ratio, and mix evenly, and prepare a surface treatment agent for forming a brown stable rust layer.
[0023] Coat the prepared surface treatment agent on the surface of weathering steel bare sample, and let it dry naturally; and accelerate the corrosion in distilled water environment for 10 days (spray distilled water every 3 hours), the surface of weathering steel bare sample without surface treatment The color of the rust layer is uneven, and the rust liquid hangs, and the corrosion rate increases with time; the rust layer on the surface of the weathering steel bare sample coated with the surface treatment agent is uniform brown, the rust liquid does not flow, and during the ...
Embodiment 2
[0026] A surface treatment agent that generates a brown stable rust layer, the components and their mass percentages are: alcohol-soluble phenolic novolac 32%, NiSO 4 22%, CuSO 4 3%, sodium tungstate 2%, trisodium phosphate 4%, NaHSO 3 6%, ethanol 31%, weigh each raw material according to the above ratio, and mix evenly, and prepare a surface treatment agent that generates a brown stable rust layer.
[0027] Coat the prepared surface treatment agent on the surface of weathering steel bare sample, and let it dry naturally; and accelerate the corrosion in distilled water environment for 10 days (spray distilled water every 3 hours), the surface of weathering steel bare sample without surface treatment The color of the rust layer is uneven, and the rust liquid hangs, and the corrosion rate increases with time; the rust layer on the surface of the weathering steel bare sample coated with the surface treatment agent is uniform brown, the rust liquid does not flow, and during th...
Embodiment 3
[0029] A surface treatment agent that generates a brown stable rust layer, the components and their mass percentages are: alcohol-soluble phenolic novolac 32%, NiSO 4 23%, CuSO 4 3%, sodium tungstate 2%, trisodium phosphate 3%, NaHSO 3 7%, ethanol 30%, weigh each raw material according to the above ratio, and mix evenly, and prepare the surface treatment agent that generates a brown stable rust layer.
[0030] Coat the prepared surface treatment agent on the surface of weathering steel bare sample, and let it dry naturally; and accelerate the corrosion in distilled water environment for 10 days (spray distilled water every 3 hours), the surface of weathering steel bare sample without surface treatment The color of the rust layer is uneven, and the rust liquid hangs, and the corrosion rate increases with time; the rust layer on the surface of the weathering steel bare sample coated with the surface treatment agent is uniform brown, the rust liquid does not flow, and during ...
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