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Emulsified metal antirusting agent and preparation method thereof

A metal anti-rust agent, emulsified technology, applied in the direction of anti-corrosion coatings, etc., can solve the problems of compositional differences and poor anti-rust effect, achieve the effect of safe use, increase the anti-rust period, and not easy to be contaminated with dust

Active Publication Date: 2010-03-03
华阳新兴科技(天津)集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application fields of the above two antirust agents are different from those of this patent, and there are great differences in the composition of raw materials, and their antirust effect is not as good as that of this patent

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] An emulsified metal rust inhibitor, its composition is as follows (take 1000g water-based rust inhibitor as an example):

[0027] Dibasic acid: content 98.5%, proportioning 20g

[0028] Triethanolamine: content 98%, proportioning 60g

[0029] Monoethanolamine: content 99%, ratio 10g

[0030] Synthetic boric acid ester: content 70%, proportioning 60g

[0031] Dodecenyl succinic acid: content 98%, proportioning 80g

[0032] N-oleoyl sarcosine stearylamine salt: 90% content, 50g

[0033] Benzotriazole: content 98%, proportioning 1g

[0034] Water: The proportion is 719g.

[0035] A preparation method of emulsified metal antirust agent, the steps are as follows:

[0036] (1) Add the dibasic acid of the above reaction amount to the reaction kettle, then add the reaction amount of triethanolamine and monoethanolamine to react, keep the temperature 40-42℃ for 4 hours, add the reaction amount of benzotriazole, stir After 1 hour, add the reaction amount of water to form a water-soluble rust i...

Embodiment 2

[0041] An emulsified metal rust inhibitor, its composition is as follows (take 1000g water-based rust inhibitor as an example):

[0042] Dibasic acid: content 98.5%, proportioning 20g

[0043] Triethanolamine: content 99%, proportioning 60g

[0044] Monoethanolamine: content 99%, ratio 10g

[0045] Synthetic boric acid ester: content 70%, proportioning 80g

[0046] Dodecenyl succinic acid content 98%, proportioning 80g

[0047] N-oleoyl sarcosine stearylamine salt: 90% content, 45g

[0048] Benzotriazole content 98%, proportioning 1g

[0049] Water: The proportion is 784g.

[0050] A preparation method of emulsified metal antirust agent, the steps are as follows:

[0051] (1) Add the dibasic acid of the above reaction amount to the reaction kettle, then add the reaction amount of triethanolamine and monoethanolamine to react, keep the temperature 40-42℃ for 4.5 hours, add the reaction amount of benzotriazole, stir After 1.5 hours, add the reaction amount of water to form a water-soluble rus...

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Abstract

The invention relates to an emulsified metal antirusting agent and a preparation method thereof. The antirusting agent comprises the components by weight percentage of 2-2.5% of dicarboxylic acid, 6-6.5% of triethanolamine, 1-1.5% of monoethanolamine, 5-6.5% of synthesized borate, 8-10% of dodecenylbutadioic acid, 4.5-6% of octadecane oeoyl sarcosine acid, 0.1% of benzotriazole and 66.9-73.4% of water. The preparation method comprises the following steps of: firstly preparing a water-base antirusting agent; subsequently adding the octadecane oeoyl sarcosine acid, the synthesized borate and thedodecenylbutadioic acid in a reaction kettle; and mixing the solution, thus obtaining the emulsified antirust product. The method utilizes the strong adsorption function between the antirusting agentand the metal, displaces the residual oil dirt out of the surface of the metal, leads the surface of the metal to be adsorbed by a hydrophobic protective film; no oil dirt is remained on the surfaceof the metal that is processed by the antirusting agent, and the surface of the metal is not easy to be polluted by the dust; the antirusting agent can be used directly; furthermore, the components contains no nitrite, thus being safe and environment-friendly for use.

Description

Technical field [0001] The invention belongs to the field of rust inhibitors, in particular to an emulsified metal rust inhibitor and a preparation method thereof. Background technique [0002] In the metal processing and machinery manufacturing industries, the processed metal parts need to be rust-proof, and it is necessary to coat the surface of the metal parts with an anti-rust agent, otherwise they will quickly be rusted and cannot be used, especially during ocean transportation. Metal parts are more prone to rust when corroded by salt spray. Most of the water-soluble rust inhibitors currently in use are those made of nitrite, which can cause personal injury when used. The rust prevention period is generally only about 10 days, and it is not resistant to salt spray corrosion, which is far from zero. The need for parts storage and long-distance ocean transportation. [0003] According to the search, the patent application 200810101779.0 published "a water-based metal rust inhi...

Claims

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Application Information

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IPC IPC(8): C09D5/08C23F11/00
Inventor 赵国胜王旭明朱国梅王振国
Owner 华阳新兴科技(天津)集团有限公司
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