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Rust-proof treatment liquid and preparation method thereof

A technology of antirust treatment and phthalimidovaleric acid, applied in the petroleum industry, lubricating compositions, etc., can solve the problems of high toxicity, environmental pollution, etc., achieve low cost, high anticorrosion efficiency, increase anticorrosion The effect of the rust effect

Inactive Publication Date: 2018-08-17
TIANCHANG RUNDA METAL ANTIRUST AUX
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, nitrite, dichromate and other substances are often added to the traditional antirust solution, which is highly toxic and easy to pollute the environment, which cannot meet people's needs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of antirust treatment liquid, its raw material comprises by weight: 9 parts of phthalimido valeric acid, 6 parts of citric acid, 5 parts of tetrabutyl acetic acid, 5 parts of phytic acid, 20 parts of pentaerythritol, 5 parts of sodium molybdate, 0.5 part of polyoxyethylene polyoxypropylene pentaerythritol ether, 0.4 part of fatty acid glyceride, 55 parts of water.

Embodiment 2

[0018] A kind of antirust treatment liquid, its raw material comprises by weight: 18 parts of phthalimido valeric acid, 12 parts of citric acid, 10 parts of tetrabutyl acetic acid, 10 parts of phytic acid, 30 parts of pentaerythritol, 10 parts of sodium molybdate, 1 part of polydimethylsiloxane, 1 part of stearic acid, 70 parts of water.

Embodiment 3

[0020] A kind of antirust treatment liquid, 12 parts of phthalimido valeric acid, 8 parts of citric acid, 6 parts of tetrabutyl acetic acid, 6 parts of phytic acid, 24 parts of pentaerythritol, 7 parts of sodium molybdate, poly 0.6 part of oxyethylene polyoxypropylene pentaerythritol ether, 0.5 part of fatty acid glyceride, and 60 parts of water.

[0021] The preparation method of the above-mentioned antirust treatment liquid comprises the following steps: uniformly mixing phthalimidovaleric acid, citric acid, tetrabutylacetic acid, phytic acid, pentaerythritol and toluene, and reacting at reflux for 5 hours at a temperature of 80°C Finally, toluene and water were removed to obtain preform A; preform A, sodium molybdate, polyoxyethylene polyoxypropylene pentaerythritol ether, fatty acid glyceride and water were stirred at a speed of 150 rpm for 3 hours at a temperature of 70°C to prepare Anti-rust treatment fluid.

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PUM

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Abstract

The invention discloses rust-proof treatment liquid which comprises phthaloyl imino pentanoic acid, citric acid, tetrabutyl acetic acid, phytic acid, pentaerythritol, sodium molybdate, defoaming agents, surface active agents and water. The invention further provides a preparation method of the rust-proof treatment liquid. The preparation method includes the steps: uniformly mixing the phthaloyl imino pentanoic acid, the citric acid, the tetrabutyl acetic acid, the phytic acid, pentaerythritol and methylbenzene, and removing the methylbenzene and the water after reflux reaction to prepare a prefabricated material A; heating and uniformly stirring the prefabricated material A, the sodium molybdate, the defoaming agents, the surface active agents and the water to prepare the rust-proof treatment liquid. The rust-proof treatment liquid is high in metal corrosion protection efficiency, safe and environmentally friendly.

Description

technical field [0001] The invention relates to the field of antirust technology, in particular to an antirust treatment liquid and a preparation method thereof. Background technique [0002] Metal materials are widely used in modern industrial production and residents' daily life because of their excellent performance. They are an indispensable and important part of modernization construction. However, metal materials themselves are prone to corrosion, and there are many factors that cause corrosion. Including: the inhomogeneity of the metal itself, including the uneven chemical composition of the metal itself, the uneven electrode potential and the uneven grain arrangement; the corrosive environment and corrosive medium, and the metal surface often has corrosive ions such as Cl - And the temperature and humidity of the environment will cause or even accelerate its corrosion phenomenon. Corrosion will cause irreversible damage and loss to the shape, luster and mechanical p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M173/00C10N30/12
CPCC10M173/00C10M2201/08C10M2207/022C10M2207/124C10M2207/126C10M2207/283C10M2209/104C10M2209/105C10M2209/108C10M2215/086C10M2223/04C10M2229/041C10N2030/12C10N2010/02
Inventor 林伟江海涛
Owner TIANCHANG RUNDA METAL ANTIRUST AUX
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