Water soluble anti-rust agent

Abstract

The invention relates to a water soluble anti-rust agent on the surface of ferrous metal, which comprises the following components: 2 to 10 weight percent of barium petroleum sulfonate and / or barium dinonyl decyl sulfonate, 1 to 6 weight percent of sodium molybdate and / or amine molybdate, 0 to 10 weight percent of sebacic acid, 2 to 10 weight percent of polyacrylic ester, 3 to 20 weight percent of triethanolamine oleic soap and / or 2 to 6 weight percent of polyoxyethylenesorbitan monooleate, 0 to 15 weight percent of sodium alkylsulfonate, 0 to 8 weight percent of glycerin and the balance of water or machine oil. Compared with the conventional water soluble anti-rust agent, the water soluble anti-rust agent of the invention has the advantages of short film forming time, firm film forming adsorption and good anti-rust effect; the actual anti-rust period can reach 3 to 6 months; the formed film is thin and only 3 to 5 microns; common workpieces do not need film removal and can be directly assembled and coated; the film removal is convenient, and the film is only soaked and rinsed in mild water over 50DEG C and then can be removed quickly; and the anti-rust agent has no component containing toxic and harmful substances, does not contain phosphorus, has the advantages of good environmental protection and no pollution to the environment, and is the environment-friendly water soluble anti-rust agent.

Description

technical field

[0001] The invention relates to a ferrous metal surface antirust liquid, in particular to an environment-friendly, pollution-free water-soluble antirust agent with good antirust effect. Background technique

[0002] Ferrous metals are sealed between production processes and finished products. In order to prevent surface corrosion, non-painted anti-rust treatment must be carried out, such as applying anti-rust agents on the surface. In the prior art, anti-rust oil on metal surface was used earlier, and a protective oil film was formed on the metal surface through the anti-rust oil to isolate the corrosion of metal by water vapor in the air, so as to achieve a longer period of time. anti-rust. However, the use of anti-rust oil not only consumes a large amount of oil raw materials, which increases energy consumption, but also requires cleaning and degreasing in subsequent processing (such as welding, painting, electroplating, assembly) and unsealing, which not ...

Examples

Embodiment 1

[0019] Example 1: according to the ratio of the example, the barium petroleum sulfonate and triethanolamine oleate soap were heated and dissolved at 105-110°C to obtain intermediate 1; sodium molybdate and polyacrylate were dissolved in warm water at 60-70°C , to obtain intermediate 2. Mix the above two solutions and make up the remaining amount of water to prepare the working solution for direct use.

Embodiment 2

[0020] Example 2: According to the ratio of the example, mix barium dinonyldecyl sulfonate, sodium petroleum sulfonate, and S-80 and heat to dissolve at 105-110°C to obtain intermediate 1; dissolve sodium molybdate in warm water Obtain intermediate 2; dissolve sebacic acid in hot water at 80°C, add polyacrylate to obtain intermediate 3; mix the above three solutions, and make up the remaining water.

Embodiment 3

[0021] Example 3: according to the ratio of the example, barium petroleum sulfonate, barium dinondecylsulfonate, sodium petroleum sulfonate, S-80 were dissolved by heating at 105-110°C to obtain intermediate 1; ammonium molybdate, Dissolve sodium molybdate in hot water at 60-70°C to obtain intermediate 2, and add glycerin to intermediate 2; heat sebacic acid and oleic acid triethanolamine soap to dissolve at 80°C to obtain intermediate 3; The solution is mixed and the remaining water is made up.

technical field

[0001] The invention relates to a ferrous metal surface antirust liquid, in particular to an environment-friendly, pollution-free water-soluble antirust agent with good antirust effect. Background technique

[0002] Ferrous metals are sealed between production processes and finished products. In order to prevent surface corrosion, non-painted anti-rust treatment must be carried out, such as applying anti-rust agents on the surface. In the prior art, anti-rust oil on metal surface was used earlier, and a protective oil film was formed on the metal surface through the anti-rust oil to isolate the corrosion of metal by water vapor in the air, so as to achieve a longer period of time. anti-rust. However, the use of anti-rust oil not only consumes a large amount of oil raw materials, which increases energy consumption, but also requires cleaning and degreasing in subsequent processing (such as welding, painting, electroplating, assembly) and unsealing, which not ...

Examples

Embodiment 1

[0019] Example 1: according to the ratio of the example, the barium petroleum sulfonate and triethanolamine oleate soap were heated and dissolved at 105-110°C to obtain intermediate 1; sodium molybdate and polyacrylate were dissolved in warm water at 60-70°C , to obtain intermediate 2. Mix the above two solutions and make up the remaining amount of water to prepare the working solution for direct use.

Embodiment 2

[0020] Example 2: According to the ratio of the example, mix barium dinonyldecyl sulfonate, sodium petroleum sulfonate, and S-80 and heat to dissolve at 105-110°C to obtain intermediate 1; dissolve sodium molybdate in warm water Obtain intermediate 2; dissolve sebacic acid in hot water at 80°C, add polyacrylate to obtain intermediate 3; mix the above three solutions, and make up the remaining water.

Embodiment 3

[0021] Example 3: according to the ratio of the example, barium petroleum sulfonate, barium dinondecylsulfonate, sodium petroleum sulfonate, S-80 were dissolved by heating at 105-110°C to obtain intermediate 1; ammonium molybdate, Dissolve sodium molybdate in hot water at 60-70°C to obtain intermediate 2, and add glycerin to intermediate 2; heat sebacic acid and oleic acid triethanolamine soap to dissolve at 80°C to obtain intermediate 3; The solution is mixed and the remaining water is made up.