High-temperature wear-resistant paint composition
A high-temperature wear-resistant, composite technology, applied in the field of coatings, can solve problems such as the inability to use liquid lubricating oil or lubricating grease, reduce the transmission efficiency and service life of friction pairs, and affect the service life and safety reliability of the whole machine. Abrasion resistance, convenient construction, and low toxicity
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Embodiment 1
[0012] Example 1, a composite material of a high-temperature wear-resistant coating, made of the following raw materials in parts by weight: 10 parts of epoxy resin, 35 parts of modified water-based polyurethane dispersion, 4 parts of alumina micropowder, 3 parts of phosphoric acid, three 8 parts of sodium polyphosphate, 4 parts of nickel-coated graphite powder, 3 parts of diluent, 2 parts of leveling agent, 2 parts of defoamer, and 7 parts of film-forming aid.
[0013] The above diluent is butyl acetate or butyl formate, the leveling agent is a polyacrylate leveling agent, and the defoamer is a modified polysiloxane defoamer.
[0014] The above-mentioned modified aqueous polyurethane dispersion is obtained from a polysiloxane-modified aqueous polyurethane dispersion terminated by a hydroxyalkyl group.
[0015] The above-mentioned film-forming aid is ethylene glycol propyl ether.
Embodiment 2
[0016] Example 2, a composite material of a high-temperature wear-resistant coating, made of the following raw materials in parts by weight: 15 parts of epoxy resin, 40 parts of modified water-based polyurethane dispersion, 8 parts of alumina micropowder, 6 parts of phosphoric acid, three 10 parts of sodium polyphosphate, 6 parts of nickel-coated graphite powder, 5 parts of diluent, 5 parts of leveling agent, 4 parts of defoamer, and 9 parts of film-forming aid.
[0017] The above diluent is butyl acetate or butyl formate, the leveling agent is a polyacrylate leveling agent, and the defoamer is a modified polysiloxane defoamer.
[0018] The above-mentioned modified aqueous polyurethane dispersion is obtained from a polysiloxane-modified aqueous polyurethane dispersion terminated by a hydroxyalkyl group.
[0019] The above-mentioned film-forming aid is ethylene glycol propyl ether.
Embodiment 3
[0020] Example 3, a composite material of a high-temperature wear-resistant coating, made of the following raw materials in parts by weight: 20 parts of epoxy resin, 50 parts of modified water-based polyurethane dispersion, 10 parts of alumina micropowder, 9 parts of phosphoric acid, three 14 parts of sodium polyphosphate, 8 parts of nickel-coated graphite powder, 6 parts of diluent, 7 parts of leveling agent, 6 parts of defoamer, and 12 parts of film-forming aid.
[0021] The above diluent is butyl acetate or butyl formate, the leveling agent is a polyacrylate leveling agent, and the defoamer is a modified polysiloxane defoamer.
[0022] The above-mentioned modified aqueous polyurethane dispersion is obtained from a polysiloxane-modified aqueous polyurethane dispersion terminated by a hydroxyalkyl group.
[0023] The above-mentioned film-forming aid is ethylene glycol propyl ether.
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