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Silanization processing agent for metal piece individually protection

A technology of silanization treatment and metal parts, applied in the direction of anti-corrosion coatings, coatings, etc., can solve serious and environmental pollution problems, and achieve the effect of improving poor stability, convenient use, and low polarization current density

Inactive Publication Date: 2012-07-04
蚌埠市钰诚五金工贸有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the field of metal surface treatment, although traditional phosphate conversion and chromate passivation surface treatment technologies can achieve good results, the waste liquid discharged during the treatment process contains heavy metal ions such as zinc, manganese, nickel, chromium and nitrous acid. Carcinogens such as salt are very serious for environmental pollution

Method used

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  • Silanization processing agent for metal piece individually protection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A silanization treatment agent used for the individual protection of metal parts is a mixed solution prepared from the following components, and the parts by weight of each component in each liter of the mixed solution are:

[0032] 1,2-Diethoxysilyl ethane 30g

[0033] Sodium molybdate 2g

[0034] Sodium a-sulfo fatty acid methyl ester 0.5g

[0035] EDTA Disodium Salt 0.1g

[0036] Isopropanol 4g

[0037] The balance is ethanol solution.

[0038] Mix the raw materials in the formula ratio and stir evenly.

Embodiment 2

[0040] A silanization treatment agent for the individual protection of metal parts, a mixed solution prepared from the following components, the parts by weight of each component in each liter of the mixed solution are:

[0041] 1,2-Diethoxysilyl ethane 40g

[0042] Sodium molybdate 3g

[0043] Sodium a-sulfo fatty acid methyl ester 1g

[0044] EDTA Disodium Salt 0.2g

[0045] Isopropanol 5g

[0046] The balance is ethanol solution.

[0047] Mix the raw materials in the formula ratio and stir evenly.

Embodiment 3

[0049] A silanization treatment agent for the individual protection of metal parts, a mixed solution prepared from the following components, the parts by weight of each component in each liter of the mixed solution are:

[0050] 1,2-Diethoxysilyl ethane 60g

[0051] Sodium molybdate 5g

[0052] Sodium a-sulfo fatty acid methyl ester 1.5 g

[0053] EDTA disodium salt 0.4 g

[0054] Isopropanol 7g

[0055] The balance is ethanol solution.

[0056] Mix the raw materials in the formula ratio and stir evenly.

[0057] Contrast the various performance indexes with the metal surface silanization protective treatment agent of the present invention as follows:

[0058]

[0059] It can be seen from the table that the metal surface silanization protective treatment agent of the present invention has the characteristics of energy saving, environmental protection and high efficacy when treating metal workpieces.

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Abstract

The invention provides a silanization processing agent for metal piece individually protection, which is a mixed solution prepared by the following components, and in each liter of the mixed solution, the weight parts of the components are: 30-60 g of 1,2-diethoxylsilyl ethane, 2-5 g of sodium molybdate, 0.5-1.5 g of alpha-sulfo fatty acid methyl ester sodium, 0.1-0.4 g of ethylenediaminetetraacetic acid disodium salt, 4-7 g of isopropanol, and the balance of ethanol solution. The processing agent of the invention is stable in performance, simple in preparation, nontoxic, and free of pollution. When a metal piece is processed by the processing agent of the invention, a film layer formed on the metal surface has the characteristics of strong adhesion, compactness, uniformity, and small polarization current density, which improves the deficiencies of existing metal surface pretreatment, allows better application of metal surface pretreatment, and substitutes phosphatization and blackening technology.

Description

technical field [0001] The invention relates to the field of metal surface treatment, in particular to a silanization treatment agent for individual protection of metal parts. Background technique [0002] In the field of metal surface treatment, although traditional phosphate conversion and chromate passivation surface treatment technologies can achieve good results, the waste liquid discharged during the treatment process contains heavy metal ions such as zinc, manganese, nickel, chromium and nitrous acid. Carcinogens such as salt are very serious to environmental pollution. The metal surface silanization treatment technology is considered to be expected to replace phosphate conversion treatment and chromate passivation treatment because it does not involve substances that are harmful to the environment, the production process has low energy consumption, and the technology has a wide range of application fields. It is the latest development direction of metal surfa...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D5/08
Inventor 丁宁徐大力陈云帮丁旬刘传让庞志成
Owner 蚌埠市钰诚五金工贸有限公司
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