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Aluminum and aluminum alloy anti-rust cleaning agent and preparation method thereof

A technology of aluminum alloy and cleaning agent, which is applied in the field of chemicals, can solve the problems of material surface blackening and corrosion, and achieve good oil cleaning ability and good cleaning effect

Inactive Publication Date: 2018-05-15
广东锴力环保新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the nature of aluminum is relatively active, and more aluminum is lost due to corrosion during the pickling process. At the same time, it will cause the surface of the material to blacken, and even corrosion is more common.

Method used

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  • Aluminum and aluminum alloy anti-rust cleaning agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 1) Weigh the components of the anti-rust cleaning agent in parts by weight: 2 parts of potassium carbonate, 2 parts of sodium metasilicate pentahydrate, 1 part of isooctanoic acid, ternary polycarboxylate after triethanolamine treatment 0.5 parts of salt, 0.5 parts of octenyl succinic anhydride sodium salt, 0.5 parts of isotridecyl atactic polyether, 1 part of sodium citrate, 2 parts of sodium tungstate, and 88 parts of water;

[0029] 2) First dissolve potassium carbonate and sodium metasilicate pentahydrate in 65 parts of water, and stir evenly;

[0030] 3) Add isooctanoic acid and ternary polycarboxylate, heat to 50°C, and continue stirring for 20 minutes to obtain a clear and transparent liquid;

[0031] 4) After the solution is slightly cooled, add octenyl succinic anhydride sodium salt, isotridecyl atactic polyether, sodium citrate, sodium tungstate and the remaining water, and stir evenly;

[0032] 5) Test the pH value of the solution, and adjust the pH to 9.2 w...

Embodiment 2

[0034] 1) Weigh the components of the antirust cleaning agent by weight: 2 parts of sodium tripolyphosphate, 2 parts of sodium carbonate, 0.8 part of n-octanoic acid, 0.4 part of n-decanoic acid, ternary polycarboxylic acid treated with diethanolamine 0.6 parts of ternary polycarboxylate, 0.7 parts of potassium octenyl succinic anhydride, 0.8 parts of isooctyl alcohol polyoxyethylene ether, 0.8 parts of potassium tartrate, 0.8 parts of ethylenediaminetetraacetic acid, 0.7 parts of trisodium phosphate, diethanolamine 0.8 parts, 87 parts of water;

[0035] 2) First dissolve sodium tripolyphosphate and sodium carbonate in 67 parts of water, and stir evenly;

[0036] 3) Then add n-octanoic acid, n-decanoic acid, and tribasic polycarboxylate, and heat to 45°C, and keep stirring for 25 minutes to obtain a clear and transparent liquid;

[0037] 4) After the solution is slightly cooled, add octenyl succinic anhydride potassium salt, isooctyl alcohol polyoxyethylene ether, potassium tar...

Embodiment 3

[0040] 1) Weigh the components of the anti-rust cleaning agent by weight: 2 parts of sodium pyrophosphate, 1 part of sodium orthophosphate, 0.7 parts of isononanoic acid, 0.8 parts of 3,5,5-trimethylhexanoic acid, ternary 0.8 parts of polycarboxylates treated with monoethanolamine, 0.4 parts of dodecenyl succinic anhydride sodium salt, 0.4 parts of isomeric decanol polyoxyethylene ether (E-1006), 0.3 parts of sodium tartrate, 0.4 parts of glycolic acid, 1.2 parts of sodium hexametaphosphate, 1.2 parts of hydrazine hydrate, 89 parts of water;

[0041] 2) Dissolve sodium pyrophosphate and sodium orthophosphate in part of 70 parts of water, and stir evenly;

[0042] 3) Add isononanoic acid, 3,5,5-trimethylhexanoic acid, and tribasic polycarboxylate, and heat to 55°C, and continue stirring for 15 minutes to obtain a clear transparent liquid;

[0043] 4) After the solution is slightly cooled, add sodium dodecenyl succinic anhydride, isomeric decanol polyoxyethylene ether (E-1006),...

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Abstract

The invention belongs to the technical field of chemicals, provides an aluminum and aluminum alloy weakly-alkaline anti-rust cleaning agent and a preparation method thereof, and particularly relates to a weakly-alkaline cleaning agent capable of being used for cleaning pure aluminum and aluminum alloys and having corrosion inhibition and bright effects. According to the weakly-alkaline cleaning agent, grease and oil dirt on the surface of an aluminum product can be effectively removed, and corrosion and color change are avoided. The weakly-alkaline cleaning agent comprises the following components of, by weight, 3-7 parts of an alkaline detergent assistant, 0.1-2 parts of organic carboxylic acid, 0.1-1 part of ternary polycarboxylate, 0.1-2 parts of compound-type low-foam surfactants, 0.5-2 parts of complexing agents, 0.10-3 parts of corrosion inhibitors, and 85-90 parts of water. According to the aluminum and aluminum alloy anti-rust cleaning agent, through the synergistic effect of various alkaline inorganic detergent assistants, the good cleaning effect is achieved, and the problem that as for an existing cleaning agent, due to the high pH valve, corrosion and color change of aluminum materials are caused can further be solved.

Description

technical field [0001] The invention provides a weak antirust cleaning agent for aluminum and aluminum alloys and a preparation method thereof, in particular to a weakly alkaline cleaning agent which can be used for cleaning pure aluminum and aluminum alloys and has corrosion inhibition and brightening effects, and can effectively remove the surface of aluminum products. The grease and oil stains are free from corrosion and discoloration, and belong to the technical field of chemicals. Background technique [0002] Aluminum alloy refers to the general term for alloys based on aluminum. The main alloying elements are copper, silicon, magnesium, zinc, and manganese, and the secondary alloying elements are nickel, iron, titanium, chromium, lithium, etc. Aluminum alloy is the most widely used non-ferrous metal structural material in industry, and has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and other aluminum alloys. After the a...

Claims

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Application Information

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IPC IPC(8): C23G1/22C23G1/16
CPCC23G1/22C23G1/16
Inventor 王涛
Owner 广东锴力环保新材料有限公司
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