High-flash-point high-solid-content safe flaky zinc-based zinc-rich coating and preparation method thereof
A zinc-based zinc-rich, flake-like technology, used in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of easy damage and cracking of the surface layer, and achieve low VOC content, reduced construction costs, and simple production processes. Effect
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Embodiment 1
[0043] This example provides a high-flash point, high-solid-safe, flaky zinc-based zinc-rich coating, which is made of the following raw materials in terms of mass percentage:
[0044] Low molecular weight epoxy resin, 10wt%;
[0045] Nonylphenol, 2wt%;
[0046] Carbon dodecyl-tetradecyl glycidyl ether, 3wt%;
[0047] Hydrogenated castor oil, 0.8wt%;
[0048] Flake zinc powder, 71wt%;
[0049] Anti-rust pigment JRM, 4wt%;
[0050] Benzyl alcohol, 4.2 wt%;
[0051] Curing agent, 5wt%.
[0052] Further, the curing agent is a modified amine curing agent.
[0053] Further, in terms of mass percentage, the modified ammonium curing agent is made of the following raw materials:
[0054] Benzyl alcohol, 15wt%;
[0055] Isophoronediamine, 15wt%;
[0056] Low molecular weight epoxy resin, 12wt%;
[0057] Polyoxypropylene diamine, 55wt%;
[0058] 2,4,6-tris(dimethylaminomethyl)phenol, 3wt%.
[0059] Further, the model of the low molecular weight epoxy resin is E42.
[0060] ...
Embodiment 2
[0075] This example provides a high flash point and high solid content safe scaly zinc-based zinc-rich coating, which is made from the following raw materials in terms of mass percentage:
[0076] Low molecular weight epoxy resin, 11wt%;
[0077] Nonylphenol, 3wt%;
[0078] Carbon dodecyl-tetradecyl glycidyl ether, 2wt%;
[0079] Hydrogenated castor oil, 0.8wt%;
[0080] Flake zinc powder, 65wt%;
[0081] Anti-rust pigment JRM, 10wt%;
[0082] Benzyl alcohol, 3.2wt%;
[0083] Curing agent, 5wt%.
[0084] Further, the curing agent is a modified amine curing agent.
[0085] Further, in mass percent, the modified ammonium curing agent is made from the following raw materials:
[0086] Benzyl alcohol, 15wt%;
[0087] Isophoronediamine, 18wt%;
[0088] Low molecular weight epoxy resin, 11wt%;
[0089] Polyoxypropylene bisamine, 53.5wt%;
[0090] 2,4,6-Tris(dimethylaminomethyl)phenol, 2.5 wt%.
[0091] Further, the model of the low molecular weight epoxy resin is E44.
...
Embodiment 3
[0107] This example provides a high flash point and high solid content safe scaly zinc-based zinc-rich coating, which is made from the following raw materials in terms of mass percentage:
[0108] Low molecular weight epoxy resin, 12wt%;
[0109] Nonylphenol, 2.2wt%;
[0110] Carbon dodecyl-tetradecyl glycidyl ether, 2wt%;
[0111] Hydrogenated castor oil, 0.7wt%;
[0112] Flake zinc powder, 55wt%;
[0113] Anti-rust pigment JRM, 20wt%;
[0114] Benzyl alcohol, 3.1 wt%;
[0115] Curing agent, 5wt%.
[0116] Further, the curing agent is a modified amine curing agent.
[0117] Further, in mass percent, the modified ammonium curing agent is made from the following raw materials:
[0118] Benzyl alcohol, 15wt%;
[0119] Isophoronediamine, 20wt%;
[0120] Low molecular weight epoxy resin, 10wt%;
[0121] Polyoxypropylene bisamine, 52.6wt%;
[0122] 2,4,6-Tris(dimethylaminomethyl)phenol, 2.4 wt%.
[0123] Further, the model of the low molecular weight epoxy resin is E51....
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