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Anti-rust agent for special-shaped steel tubes and preparation method of anti-rust agent

A technology of special-shaped steel pipes and antirust agents, which is applied in the direction of anticorrosion coatings and coatings, can solve the problems of poor antirust effect and short antirust time of antirust agents, and achieve good antirust effects, long antirust time, and saving Effect of dewashing process

Inactive Publication Date: 2014-10-01
张家港市华尊宝特种材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is: to overcome the technical deficiencies of the prior art, such as the poor anti-rust effect of the anti-rust agent and the short anti-rust time, to provide a special-shaped steel pipe anti-rust with a long anti-rust time and a good anti-rust effect. Rust agent and preparation method thereof

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An antirust agent for special-shaped steel pipes, the composition of the antirust agent in parts by mass is as follows: 10 parts of kerosene, 5 parts of sodium petroleum sulfonate, 4 parts of bentonite, 3 parts of vaseline, 4 parts of zinc oxide, and 10 parts of polyethylene glycol , 4 parts of trisodium phosphate, 3 parts of dicyclohexylamine, 8 parts of acrylamide, 10 parts of phytic acid ester, 5 parts of corrosion inhibitor, 1 part of pH regulator, 4 parts of non-ionic surfactant, deionized water 30 servings.

[0018] The corrosion inhibitor is: a mixture of phosphorus carboxylic acid, mercaptobenzothiazole and sulfonated lignin, the mass ratio of which is 1:2:1.

[0019] The pH regulator is sodium hydroxide.

[0020] The nonionic surfactant is fatty alcohol polyoxyethylene ether.

[0021] A preparation method of a special-shaped steel pipe antirust agent. The components are weighed according to the ratio of parts by mass, and kerosene, sodium petroleum sulfonate,...

Embodiment 2

[0023] An antirust agent for special-shaped steel pipes, the composition of the antirust agent in parts by mass is as follows: 15 parts of kerosene, 7 parts of sodium petroleum sulfonate, 6 parts of bentonite, 5 parts of vaseline, 7 parts of zinc oxide, 15 parts of polyethylene glycol, 7 parts of trisodium phosphate, 6 parts of dicyclohexylamine, 12 parts of acrylamide, 15 parts of phytic acid ester, 7 parts of corrosion inhibitor, 4 parts of pH regulator, 6 parts of non-ionic surfactant, 35 parts of deionized water share.

[0024] The corrosion inhibitor is: a mixture of phosphorus carboxylic acid, mercaptobenzothiazole and sulfonated lignin, the mass ratio of which is 1:2:1.

[0025] The pH regulator is selected from: sodium hydroxide, sodium peroxypyrophosphate, ammonia water, sodium carbonate, and its mass ratio is 1:1:2:1.

[0026] The nonionic surfactant is an alkanolamide.

[0027] A preparation method of a special-shaped steel pipe antirust agent. The components are ...

Embodiment 3

[0029] An antirust agent for special-shaped steel pipes, the composition of the antirust agent in parts by mass is as follows: 20 parts of kerosene, 10 parts of sodium petroleum sulfonate, 8 parts of bentonite, 7 parts of vaseline, 9 parts of zinc oxide, and 20 parts of polyethylene glycol , 10 parts of trisodium phosphate, 9 parts of dicyclohexylamine, 15 parts of acrylamide, 20 parts of phytic acid ester, 10 parts of corrosion inhibitor, 6 parts of pH regulator, 8 parts of nonionic surfactant, deionized water 40 servings.

[0030] The corrosion inhibitor is sulfonated lignin.

[0031] The pH regulator is sodium carbonate.

[0032] The nonionic surfactant is fatty alcohol polyoxyethylene ether.

[0033] A preparation method of a special-shaped steel pipe antirust agent. The components are weighed according to the ratio of parts by mass, and kerosene, sodium petroleum sulfonate, bentonite, vaseline, zinc oxide, polyethylene glycol, trisodium phosphate, di Cyclohexylamine, a...

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Abstract

The invention relates to the technical field of special-shaped steel tubes and in particular relates to an anti-rust agent for the special-shaped steel tubes and a preparation method of the anti-rust agent. The anti-rust agent comprises the following components in parts by weight: 10-20 parts of coal oil, 5-10 parts of petroleum sodium sulfonate, 4-8 parts of bentonite, 3-7 parts of Vaseline, 4-9 parts of zinc oxide, 10-20 parts of polyethylene glycol, 4-10 parts of trisodium phosphate, 3-9 parts of dicyclohexylamine, 8-15 parts of acrylamide, 10-20 parts of inositol hexaphosphate, 5-10 parts of a corrosion inhibitor, 1-6 parts of a pH regulator, 4-8 parts of a nonionic surfactant and 30-40 parts of de-ionized water. The anti-rust agent for rust prevention is good in anti-rust effect and long in anti-rust time, and has a good inhibition effect on rust due to dew formation in long-term storage; the surfaces of metal parts can be kept clean, so that when metal processing after storage is carried out, a washing process can be removed, the time is shortened, and the reagent expense is reduced.

Description

technical field [0001] The invention relates to the technical field of special-shaped steel pipes, in particular to an antirust agent for special-shaped steel pipes and a preparation method thereof. Background technique [0002] Special-shaped steel pipe is a long strip of steel with a hollow section, widely used in automobiles, trains, airplanes, ships and space launchers and other structural components, mechanical parts, petrochemical, geological drilling, textile machinery, radio communications, medical and health, Completion and other fields. The use of special-shaped steel pipes to manufacture ring parts can improve the utilization rate of materials, simplify the manufacturing process, and save materials and processing hours. [0003] In the prior art, special-shaped steel pipes will encounter rust on the inner and outer surfaces during production and use. In order to prevent rust, the products are generally treated with anti-rust treatment during the process and after...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D4/06C09D7/12C09D5/08
Inventor 郭洪建杨日升
Owner 张家港市华尊宝特种材料科技有限公司
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