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Preparing method for manganese series phosphatisation surface conditioning agent

A surface regulator and manganese-based technology, applied in the coating process of metal materials, etc., can solve the problems of not being able to preserve for a long time, the dispersion stability of the surface regulator needs to be improved, etc., and achieve the effect of excellent dispersion stability

Inactive Publication Date: 2016-04-06
常熟市虞东磷化材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The dispersion stability of the existing surface modifier needs to be improved, and it cannot be stored for a long time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A preparation method of a manganese-based phosphating surface regulator, comprising the following steps:

[0024] 1) 35 parts by mass of anhydrous light disodium phosphate are made into a 55% aqueous solution;

[0025] 2) 1 to 2 parts by mass of N-methylpyrrolidone, 0.4 parts by mass of titanyl sulfate, 4.3 parts by mass of sodium pyrophosphate, 3.8 parts by mass of sodium bicarbonate, 0.7 parts by mass of sodium tetraborate, 2.1 parts by mass of sodium tripolyphosphate, 0.3 parts by mass of polycarboxylate anion organic matter and 0.9 parts by mass of sodium lauroylaminoethylsulfate were sequentially added to the aqueous solution of disodium hydrogen phosphate to obtain a mixed solution;

[0026] 3) Heating the mixed solution to 75°C and fully stirring to obtain a white powder with a water content below 2%;

[0027] 4) Continue to stir the powder at 80°C, and simultaneously add 0.9 parts by mass of sodium pyrophosphate, 1.2 parts by mass of glacial acetic acid, 0.4 pa...

Embodiment 2

[0029] The preparation method of manganese series phosphating surface conditioner comprises the following steps:

[0030] 1) 35 parts by mass of anhydrous light disodium phosphate are made into a 55% aqueous solution;

[0031] 2) 1 part by mass of N-methylpyrrolidone, 0.4 parts by mass of titanyl sulfate, 4.3 parts by mass of sodium pyrophosphate, 3.8 parts by mass of sodium bicarbonate, 0.7 parts by mass of sodium tetraborate, 2.1 parts by mass of sodium tripolyphosphate, 0.3 parts by mass of Part polycarboxylate anion has organic matter, 0.9 parts by mass of sodium lauramide ethyl sulfate are added to the aqueous solution of disodium hydrogen phosphate successively to obtain a mixed solution;

[0032] 3) Heating the mixed solution to 75°C and fully stirring to obtain a white powder with a water content below 2%;

[0033] 4) Continue to stir the powder at 80°C, and simultaneously add 0.9 parts by mass of sodium pyrophosphate, 1.2 parts by mass of glacial acetic acid, 0.4 par...

Embodiment 3

[0035] The preparation method of manganese series phosphating surface conditioner comprises the following steps:

[0036] 1) 35 parts by mass of anhydrous light disodium phosphate are made into a 55% aqueous solution;

[0037] 2) 2 parts by mass of N-methylpyrrolidone, 0.4 parts by mass of titanyl sulfate, 4.3 parts by mass of sodium pyrophosphate, 3.8 parts by mass of sodium bicarbonate, 0.7 parts by mass of sodium tetraborate, 2.1 parts by mass of sodium tripolyphosphate, 0.3 parts by mass of Part polycarboxylate anion has organic matter, 0.9 parts by mass of sodium lauramide ethyl sulfate are added to the aqueous solution of disodium hydrogen phosphate successively to obtain a mixed solution;

[0038] 3) Heating the mixed solution to 75°C and fully stirring to obtain a white powder with a water content below 2%;

[0039] 4) Continue to stir the powder at 80°C, and simultaneously add 0.9 parts by mass of sodium pyrophosphate, 1.2 parts by mass of glacial acetic acid, 0.4 pa...

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PUM

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Abstract

The invention discloses a preparing method for a manganese series phosphatisation surface conditioning agent. The preparing method includes the following steps that firstly, 35 parts of anhydrous sodium hydrogen phosphate is prepared into a water solution with the concentration being 55%; secondly, 1-2 parts of N-methyl pyrrolidone, 0.4 part of titanyl sulfate, 4.3 parts of sodium pyrophosphate, 3.8 parts of sodium bicarbonate, 0.7 part of sodium tetraborate, 2.1 parts of sodium tripolyphosphate, 0.3 part of polycarboxylic acid anion organic matter and 0.9 part of lauroyl aminoethyl sodium sulfate are sequentially added into the water solution of the sodium hydrogen phosphate, and a mixed solution is obtained; thirdly, the mixed solution is heated to 75 DEG C and sufficiently stirred, and white powder with the water content below 2% is obtained; fourthly, the powder is stirred continuously at the temperature being 80 DEG C, 0.9 part of sodium pyrophosphate, 1.2 parts of glacial acetic acid, 0.4 part of methyl triethoxysilane and 1.7 parts of magnesium sulfate are added into the powder at the same time, and stirring and drying are conducted continuously till the water content is smaller than 1%. The surface conditioning agent prepared through the preparing method is good in dispersion stability and capable of being stored for a long time.

Description

technical field [0001] The invention relates to a preparation method of a manganese phosphating surface regulator. Background technique [0002] The dispersion stability of the existing surface regulator needs to be improved, and it cannot be preserved for a long time. Contents of the invention [0003] The object of the present invention is to provide a method for preparing a manganese-based phosphating surface regulator. The prepared surface regulator has excellent dispersion stability and can be stored for a long time. [0004] In order to achieve the above object, the technical solution of the present invention is to design a preparation method of a manganese-based phosphating surface regulator, comprising the following steps: [0005] 1) 35 parts by mass of anhydrous light disodium phosphate are made into a 55% aqueous solution; [0006] 2) 1 to 2 parts by mass of N-methylpyrrolidone, 0.4 parts by mass of titanyl sulfate, 4.3 parts by mass of sodium pyrophosphate, 3...

Claims

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Application Information

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IPC IPC(8): C23C22/83
CPCC23C22/83
Inventor 钱文华
Owner 常熟市虞东磷化材料有限公司
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