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Environment-friendly high temperature activated water-based rebar rust inhibitor

A steel bar rust inhibitor and high-temperature activation technology, applied in the field of metal corrosion and protection, can solve the problems of high cost, great injury to workers, poor operating environment, etc., and achieve the effect of low cost and good rust inhibition effect.

Active Publication Date: 2012-06-13
TAISHAN MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Nitrite is too toxic in the actual production process, causing great harm to on-site workers, while the phosphating process has a lot of precipitation, the operating environment is poor, the cost is high, and the final cooling water is seriously polluted
Neither of these approaches has been applied on a large scale so far.

Method used

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Examples

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Effect test

Embodiment Construction

[0015] The technical solution of the present invention is: an environment-friendly high-temperature activated water-based rust inhibitor for steel bars, the components of the rust inhibitor and the content percentages of each component are: silicate 0.1%-1.5%, metaaluminate 0.1%-1.5% , Organic amine 0.1%-1.5%, gluconic acid 0.1%-1.5%, water 90%-96%.

[0016] The organic amine described in the present invention is any one or more of hexadecylamine, triethylenediamine, triethanolamine and urotropine.

[0017] The organic amine described in the present invention is triethanolamine.

[0018] The organic amine of the present invention is urotropine.

[0019] The rust inhibitor components of the present invention and the content percentages of each component are: sodium silicate 0.1%-0.5%, sodium metaaluminate 0.1%-0.6%, organic amine 0.1%-0.6%, gluconic acid

[0020] 0.1%-0.6%, water 90%-98%.

[0021] The silicate and metaaluminate described in the present invention are sodium s...

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Abstract

The invention relates to an environment-friendly high temperature activated water-based rebar rust inhibitor, which comprises the following components: 0.1%-0.5% of a silicate, 0.1%-0.6% of a meta-aluminate, 0.1%-0.6% of organic amine, 0.1%-0.6% of gluconic acid, and 98% of water, and the sum of the above components is 100%. By adopting a silicate and a meta-aluminate as main components and cooperating with other components, the rust inhibitor of the invention has the advantages of no toxicity, no pollution, low cost, environmental friendliness, and good rust inhibiting effect, etc.

Description

technical field [0001] The invention relates to the technical field of metal corrosion and protection, in particular to a high-temperature rust inhibitor for metal corrosion protection. Background technique [0002] The research on steel antirust technology has gone through a relatively long process. Internationally, metal corrosion as an independent subject was formed in the early 20th century. Under the systematic research of many electrochemists and metallographers, the basic laws of metal corrosion and oxidation were gradually determined, laying a solid foundation for the research of metal rust prevention technology. The theoretical basis has been established, and then a variety of antirust technologies for metal materials have been produced. At present, relatively formed anti-corrosion technologies for iron and steel materials include: coating anti-rust technology, corrosion inhibitor technology, steel bar anti-corrosion agent and weathering steel technology, etc. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/10C04B103/60
Inventor 曹晓群陈红余汪海冀海伟
Owner TAISHAN MEDICAL UNIV
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