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Long-acting anti-rust solution

An anti-rust liquid, long-term technology, applied in the direction of metal material coating process, etc., can solve the problems of water-based anti-rust liquid, the anti-rust time is not long, the anti-rust oil is not easy to remove, the follow-up process is troublesome, etc., to increase the anti-rust corrosion. performance and film-forming properties, preventing the diffusion of corrosive media, and increasing the effect of corrosion inhibition

Active Publication Date: 2016-11-09
TIANCHANG RUNDA METAL ANTIRUST AUX
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Metals are easily corroded by the surrounding environment
People usually choose anti-rust oil or water-based anti-rust liquid for metal surface treatment, but anti-rust oil is not easy to remove, which will bring trouble to the subsequent process; water-based anti-rust liquid will not affect the subsequent process and is easy to clean, so it is widely used , but the anti-rust time of water-based anti-rust liquid is not long, which limits its use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A kind of long-acting antirust liquid, its raw material comprises by weight: 35 parts of composite corrosion inhibitors, 0.6 parts of sodium carboxymethyl cellulose, 4 parts of polyethylene glycol 400, 0.2 parts of defoamers, 2.5 parts of sodium molybdate , 2 parts of disodium edetate, 0.15 parts of isothiazolinone, 42 parts of water;

[0015] Among them, the raw materials of the composite corrosion inhibitor are phytic acid, CeNO 3 , diethanolamine borate, N-methyldiethanolamine, benzimidazole, phytic acid, CeNO 3 , diethanolamine borate, N-methyldiethanolamine, and benzimidazole in a weight ratio of 3.5:0.6:2.5:1.5:6.

Embodiment 2

[0017] A kind of long-acting antirust liquid, its raw material comprises by weight: 30 parts of composite corrosion inhibitors, 0.7 parts of sodium carboxymethyl cellulose, 3 parts of macrogol 400, 0.3 parts of polyoxyethylene polyoxypropylene pentaerythritol ether, 2 parts of sodium molybdate, 3 parts of disodium edetate, 0.1 part of isothiazolinone, 45 parts of water;

[0018] Among them, the raw materials of the composite corrosion inhibitor are phytic acid, CeNO 3 , diethanolamine borate, N-methyldiethanolamine, benzimidazole, phytic acid, CeNO 3 , diethanolamine borate, N-methyldiethanolamine, and benzimidazole in a weight ratio of 3:0.7:2:2:5.

Embodiment 3

[0020] A kind of long-acting antirust liquid, its raw material comprises by weight: 40 parts of composite corrosion inhibitor, 0.5 part of sodium carboxymethyl cellulose, 5 parts of polyethylene glycol 400, 0.1 part of polydimethylsiloxane, molybdenum 3 parts of sodium phosphate, 1 part of disodium edetate, 0.2 parts of isothiazolinone, 38 parts of water;

[0021] Among them, the raw materials of the composite corrosion inhibitor are phytic acid, CeNO 3 , diethanolamine borate, N-methyldiethanolamine, benzimidazole, phytic acid, CeNO 3 , diethanolamine borate, N-methyldiethanolamine, and benzimidazole in a weight ratio of 4:0.5:3:1:7.

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PUM

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Abstract

The invention discloses a long-acting anti-rust solution. The long-acting anti-rust solution comprises, by weight, 30-40 parts of a compound corrosion inhibitor, 0.5-0.7 part of sodium carboxymethylcellulose, 3-5 parts of polyethylene glycol 400, 0.1-0.3 part of an antifoaming agent, 2-3 parts of sodium molybdate, 1-3 parts of disodium ethylene dinitrilotetra-acetic acid, 0.1-0.2 part of isothiazolinone and 38-45 parts of water, wherein phytic acid, CeNO3, diethanol amine boric acid ester, N-methyldiethanolamine and benzimidazole are adopted as the raw materials of the compound corrosion inhibitor. According to the long-acting anti-rust solution, through cooperation of the phytic acid, CeNO3, diethanolamine boric acid ester, N-methyldiethanolamine and benzimidazole, the long-acting anti-rust solution has the long-acting anti-rust performance.

Description

technical field [0001] The invention relates to the technical field of antirust liquid, in particular to a long-acting antirust liquid. Background technique [0002] Metals are easily corroded by the surrounding environment. People usually choose anti-rust oil or water-based anti-rust liquid for metal surface treatment, but anti-rust oil is not easy to remove, which will bring trouble to the subsequent process; water-based anti-rust liquid will not affect the subsequent process and is easy to clean, so it is widely used , but the anti-rust time of water-based anti-rust liquid is not long, which limits its use. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a long-acting antirust solution. The present invention uses phytic acid, CeNO 3 , diethanolamine borate, N-methyldiethanolamine, and benzimidazole cooperate with each other, so that the present invention has long-acting antirust p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C22/40
CPCC23C22/40
Inventor 林伟江海涛江海波江浩
Owner TIANCHANG RUNDA METAL ANTIRUST AUX
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