Corrosion inhibitor used for preventing corrosion of brass
A technology of brass products and corrosion inhibitors, which is applied in the field of corrosion and protection of metal materials, can solve problems such as eutrophication of water bodies, non-biodegradable water pollution, etc., achieve good corrosion inhibition, simple preparation methods, and environmental friendliness Effect
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Embodiment 1
[0029] Corrosion inhibitor used to prevent corrosion of brass products, calculated according to weight fraction, its components are: 40 parts of organic polymer components; 5 parts of azole components; 1 part of dispersing components; 1 part of zinc salt; gluconic acid Sodium 1 part. The organic polymer component is a mixture of polyaspartic acid and polyepoxysuccinic acid, and the addition ratio of polyaspartic acid and polyepoxysuccinic acid is 1:3. The azole component is a composition of benzotriazole sodium, mercaptobenzothiazole sodium and tolyltriazole, and benzotriazole sodium, mercaptobenzothiazole sodium and tolyltriazole are added The mass ratio is listed as 2:1:1. The dispersed component is sodium silicate; the zinc salt is zinc sulfate.
[0030] The preparation method of the corrosion inhibitor of the present invention comprises the steps of dissolving the organic polymer component in deionized water as a solvent, first adding the azole component, stirring and di...
Embodiment 2
[0032] Corrosion inhibitor used to prevent corrosion of brass products, calculated according to weight fraction, its components are: 70 parts of organic polymer components; 20 parts of azole components; 8 parts of dispersing components; 8 parts of zinc salt; gluconic acid Sodium 5 parts. The organic polymer component is a mixture of polyaspartic acid and polyepoxysuccinic acid, and the addition ratio of polyaspartic acid and polyepoxysuccinic acid is 1:10. The azole component is a composition of benzotriazole sodium, mercaptobenzothiazole sodium and tolyltriazole, and benzotriazole sodium, mercaptobenzothiazole sodium and tolyltriazole are added The mass ratio is listed as 2:1:1. The dispersion component is a composition of polyethylene glycol and acrylamide mixed in a mass ratio of 2:5; the zinc salt is zinc chloride.
[0033] The preparation method of the corrosion inhibitor of the present invention comprises the steps of dissolving the organic polymer component in deioniz...
Embodiment 3
[0035] Corrosion inhibitor used to prevent corrosion of brass products, calculated according to weight fraction, its components are: 50 parts of organic polymer components; 10 parts of azole components; 4 parts of dispersing components; 5 parts of zinc salt; gluconic acid Sodium 3 parts. The organic polymer component is a mixture of polyaspartic acid and polyepoxysuccinic acid, and the addition ratio of polyaspartic acid and polyepoxysuccinic acid is 1:5. The azole component is a composition of benzotriazole sodium, mercaptobenzothiazole sodium and tolyltriazole, and benzotriazole sodium, mercaptobenzothiazole sodium and tolyltriazole are added The mass ratio is listed as 2:1:1. The dispersion component is a composition of polyethylene glycol and fatty acid polyethylene glycol ester mixed in a mass ratio of 1:1; the zinc salt is a mixture of zinc sulfate and zinc chloride.
[0036] The preparation method of the corrosion inhibitor of the present invention comprises the steps...
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