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Water-based metal rust inhibitor and preparation method thereof

A water-based rust inhibitor and metal technology, applied in the field of metal surface treatment, can solve problems such as unsatisfactory rust prevention effect and failure to eliminate pollution, and achieve the effect of improving rust prevention treatment effect, improving lubricity and slowing metal corrosion.

Active Publication Date: 2015-03-04
NINGBO SHEN XIN ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although my country has made some progress in reducing the amount of nitrite, the anti-rust effect is not ideal, and the pollution problem has not been eliminated.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A water-based antirust agent for metal, the raw materials include in parts by weight: 2 parts of sorbitan monooleate, 1 part of phytic acid ester, 3 parts of zinc dihydrogen phosphate, 2 parts of acrylamide, glutamic acid 1 part, 2 parts of dinonyl naphthalene sulfonate, 3 parts of dicyclohexylamine, 4 parts of N-oleoyl sarcosine octadecylamine salt, 2 parts of oxidized petroleum grease barium soap, ethylenediamine tetramethylene phosphoric acid 3 parts of sodium, 2 parts of 1-hydroxyethylene diphosphonic acid, 1 part of dimethylaminoethyl acrylate, 2 parts of sulfomethylated polyacrylamide, 4 parts of film-forming agent, and 10 parts of deionized water.

[0021] The preparation method of above-mentioned metal water-based antirust agent, comprises the following steps:

[0022] Step 1, mix sorbitan monooleate, phytic acid ester, zinc dihydrogen phosphate and 1 / 3 parts by weight of deionized water, heat to 50 ° C under a vacuum of 0.08 MPa, add N - Oleoyl sarcosine octad...

Embodiment 2

[0026] A water-based antirust agent for metal, the raw materials include in parts by weight: 4 parts of sorbitan monooleate, 2 parts of phytic acid ester, 5 parts of zinc dihydrogen phosphate, 4 parts of acrylamide, glutamic acid 3 parts, 4 parts of dinonyl naphthalene sulfonate, 5 parts of dicyclohexylamine, 5 parts of N-oleoyl sarcosine octadecylamine salt, 4 parts of oxidized petroleum grease barium soap, ethylenediamine tetramethylene phosphoric acid 5 parts of sodium, 4 parts of 1-hydroxyethylene diphosphonic acid, 2 parts of dimethylaminoethyl acrylate, 4 parts of sulfomethylated polyacrylamide, 5 parts of film-forming agent, and 13 parts of deionized water.

[0027] The preparation method of above-mentioned metal water-based antirust agent, comprises the following steps:

[0028] Step 1, mix sorbitan monooleate, phytic acid ester, zinc dihydrogen phosphate and 1 / 3 parts by weight of deionized water, heat to 55°C under a vacuum of 0.09MPa, add N - Oleoyl sarcosine octad...

Embodiment 3

[0032] A water-based antirust agent for metal, the raw materials include in parts by weight: 7 parts of sorbitan monooleate, 5 parts of phytic acid ester, 8 parts of zinc dihydrogen phosphate, 5 parts of acrylamide, glutamic acid 4 parts, 5 parts of dinonyl naphthalene sulfonate, 8 parts of dicyclohexylamine, 7 parts of N-oleoyl sarcosine octadecylamine salt, 5 parts of oxidized petroleum grease barium soap, ethylenediamine tetramethylene phosphoric acid 7 parts of sodium, 6 parts of 1-hydroxyethylene diphosphonic acid, 5 parts of dimethylaminoethyl acrylate, 7 parts of sulfomethylated polyacrylamide, 6 parts of film-forming agent, and 18 parts of deionized water.

[0033] The preparation method of above-mentioned metal water-based antirust agent, comprises the following steps:

[0034] Step 1, mix sorbitan monooleate, phytic acid ester, zinc dihydrogen phosphate and 1 / 3 parts by weight of deionized water, heat to 70°C under a vacuum of 0.08MPa, add N - Oleoyl sarcosine octad...

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PUM

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Abstract

The invention provides a water-based metal rust inhibitor and a preparation method thereof. The rust inhibitor comprises sorbitan monooleate, inositol hexaphosphate, zinc dihydrogen phosphate, acrylamide, glutamic acid, dinonyl-naphthalenesulfonate, dicyclohexylamine, octadecylamine oleyl sarcosinate, oxidized barium petrotate, sodium ethylenediamine teramethylene phosphonate, 1-hydroxyethylidene, dimethylaminoethyl acrylate, sulfomethylated polyacrylamide, a film forming agent and deionized water. The preparation method comprises the steps of firstly, mixing sorbitan monooleate, inositol hexaphosphate, zinc dihydrogen phosphate and water, and adding octadecylamine oleyl sarcosinate; then, adding acrylamide, glutamic acid, dinonyl-naphthalenesulfonate, dicyclohexylamine and oxidized barium petrotate into the deionized water, and adding 1-hydroxyethylidene; and mixing a mixture I and a mixture II, and adding the left components to obtain the water-based metal rust inhibitor. The rust inhibitor can be attached to the surface of metal, so that the metal has better wear resistance and corrosion resistance.

Description

technical field [0001] The invention belongs to the technical field of metal surface treatment, and in particular relates to a metal water-based antirust agent and a preparation method thereof. Background technique [0002] The process in which the metal is in contact with the surrounding medium and undergoes a certain reaction with each other and is gradually destroyed is called "metal corrosion". Metal corrosion is a ubiquitous natural phenomenon. It not only damages the metal material itself in terms of shape, color and mechanical properties, but also reduces the quality level of its products, damages precision and sensitivity, affects its use and even scraps it. The loss caused by metal corrosion is very alarming. It is reported that 10% of the steel in the world is corroded. Therefore, preventing metal corrosion is a very important issue. [0003] There are many types of metal corrosion, which can be divided into atmospheric corrosion, high temperature gas, chemical co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F11/02
Inventor 尤为
Owner NINGBO SHEN XIN ELECTRONICS CO LTD
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