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A kind of metal antirust protective agent and preparation method thereof

A metal anti-rust and protective agent technology, applied in the direction of anti-corrosion coatings, wax coatings, rosin coatings, etc., can solve the problems of anti-rust performance and other performance defects, protective film has no toughness, unfriendly environment, etc., to overcome the inability to paint Attach or not easy to apply, overcome adhesion difficulties, environmental friendly effect

Active Publication Date: 2017-04-12
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN1386812A discloses a liquid anti-rust wax for automobiles. This patent uses a traditional method to dissolve various required components with solvent oil. Although the product has certain anti-rust performance, because it contains solvent oil, there is a solvent smell when used. There are defects that are not friendly to the environment
CN1488699A discloses a water-based metal anti-rust protective agent, because the product uses barium petroleum sulfonate component, so that the product has certain toxicity
CN101104774A discloses a kind of metal antirust wax, takes wax substance as main basic substance, and the protective film of product has no toughness
CN1386812A discloses an antirust agent, the main components of which are petroleum waxes and petroleum solvents, which have defects in antirust performance and other performances, and are not friendly to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 4% oxidized polyethylene wax A28 (produced by SASOL Company in South Africa);

[0029] 4% oxidized microcrystalline wax No. 80 (produced by Fushun Petrochemical Research Institute);

[0030] 2.5% hydrogenated rosin (Hunan Linben Chemical Company):

[0031] 8% stearic acid 1801 (Jiangsu Rugao Oil Company);

[0032] 4.5% Hexamethylenediamine (Zibo Darun Chemical Co., Ltd.);

[0033] 6% bisimidazoline quaternary ammonium salt (Qinhuangdao Shengli Chemical Co., Ltd.);

[0034] 2% heptadecenyl bisimidazoline quaternary ammonium salt (Qinhuangdao Shengli Chemical Co., Ltd.);

[0035] 4% Pingpingjia A-20 (produced by Fushun Konka Chemical Co., Ltd.);

[0036] Distilled water remaining.

[0037] First heat the fatty acid to 80°C, then take the fatty amine and add it into distilled water and heat it to 90°C, slowly add the fatty amine into the hot fatty acid under stirring and react for 50 minutes, then add the surfactant and heat to 80°C to prepare water phase material. ...

Embodiment 2

[0039] 10% oxidized microcrystalline wax No. 85 (produced by Fushun Petrochemical Research Institute);

[0040] 3% petroleum resin P80 (Shanghai Jinsen is a chemical company);

[0041] 6% stearic acid 1801 (Jiangsu Rugao Oil Company);

[0042] 3% palmitic acid (professional production by the chemical department of Duolijia Trading Co., Ltd., Wuxi, Jiangsu);

[0043] 2% Hexamethylenediamine (Zibo Darun Chemical Co., Ltd.);

[0044] 3% n-octylamine (Shanghai Linger Chemical Co., Ltd.);

[0045] 4% bisimidazoline quaternary ammonium salt (Qinhuangdao Shengli Chemical Co., Ltd.);

[0046] 5% Pingpingjia A-20 (produced by Fushun Konka Chemical Co., Ltd.);

[0047] Distilled water remaining.

[0048] First heat the fatty acid to 86°C, add the fatty amine into distilled water and heat to 88°C, slowly add the fatty amine into the hot fatty acid with stirring and react for 40 minutes, then add the surfactant and heat to 90°C to obtain water phase materials. Add the wax, resin an...

Embodiment 3

[0050] 8% oxidized polyethylene wax A28 (produced by SASOL South Africa);

[0051] 4% oxidized petroleum microcrystalline wax No. 80 (produced by Fushun Petrochemical Research Institute);

[0052] 3.5% hydrogenated rosin (Hunan Linben Chemical Company):

[0053] 8% stearic acid 1801 (Jiangsu Rugao Oil Company);

[0054] 2% palmitic acid (professional production by the chemical department of Duolijia Trading Co., Ltd., Wuxi, Jiangsu)

[0055] 3% Hexamethylenediamine (Zibo Darun Chemical Co., Ltd.);

[0056] 5% bisimidazoline quaternary ammonium salt (Qinhuangdao Shengli Chemical Co., Ltd.);

[0057] 6% morpholine (produced by Wuhan Kaitong Fine Chemical Co., Ltd.);

[0058] Distilled water remaining.

[0059]First heat the fatty acid to 84°C, add the fatty amine into distilled water and heat to 92°C, slowly add the fatty amine into the hot fatty acid with stirring and react for 54 minutes, then add the surfactant and heat to 86°C to obtain water phase materials. Add wax,...

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Abstract

The invention discloses a metal rustproof protective agent and a preparation method thereof. The protective agent is prepared by emulsification of a wax substance, synthetic resin, fatty acid, fatty amine, a metal corrosion inhibitor, a surfactant, a preservative and water according to a specific ratio. The preparation method includes: preparing an aqueous substance and an oil phase substance respectively, and then conducting mixing dispersion emulsification, thus obtaining the final metal rustproof protective agent. With the characteristics of convenient coating and strong adhesion, the metal rustproof protective agent is easy to clean during metal sheet after-treatment, and is a green and environment-friendly type rustproof protective agent. The rustproof protective agent still has good adhesion at high temperature, can be repeatedly heated for use during coating metals, foils and other metal mechanical equipment parts, and overcomes the defect that ordinary emulsion products or common anti-rust oil products are unable to coat or difficult to coat at high temperature.

Description

technical field [0001] The invention relates to a metal anti-rust protective agent and a preparation method thereof, which is suitable for short-term anti-rust protection of various steel plates, foil materials, metal devices and mechanical equipment objects. Background technique [0002] In order to prevent rapid corrosion of various cold-rolled and hot-rolled steel sheets, some metal foils and some mechanical equipment, the surface is generally coated with a layer of anti-rust material to protect the metal from rust before use. , affect its quality and value, on the other hand, the protective layer can also play a certain protective role on the metal surface, preventing minor scratches. At present, the short-term anti-rust of metal plates, foil materials and iron and steel machinery and equipment parts is to apply a layer of anti-rust oil or anti-rust wax. Although anti-rust oil has a good short-term anti-rust effect. However, it is an oily substance, which will cause en...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D191/06C09D157/02C09D193/04C09D5/08
Inventor 赵永鹤
Owner CHINA PETROLEUM & CHEM CORP