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Surface cleaning agent

A surface cleaning agent and surfactant technology, applied in the field of chemical cleaning agents, can solve the problems of corrosion, oxidation, yellowing, pollution, macular, etc., and achieve the effect of improving the cleaning speed and avoiding whitening.

Inactive Publication Date: 2021-03-05
SNTO TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the surface of aluminum alloy products is easily polluted by various oils and dusts in the process of manufacture and use, oxidation will produce macular spots, oily dirt stains, dull and unsightly, so it needs to be cleaned regularly
In the related technology, the chemical method of wiping with soda ash solution is used for cleaning, but after cleaning, the residual reaction products such as sodium metaaluminate and aluminum hydroxide adhere to the surface and make the surface whitish. At the same time, pickling and alkali cleaning will damage the aluminum alloy. The oxide protective film on the surface, the primary battery is formed between various metal ions on the surface of the aluminum alloy, and then corrosion, oxidation and yellowing occur, affecting the appearance of the aluminum alloy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A surface cleaning agent is composed of the following components by weight percentage:

[0045] Phosphating solution, 10%;

[0046] Aluminum ion complexing agent, 6%;

[0047] Foaming anionic surfactant: 1.5%;

[0048] Nonionic surfactant, 1%;

[0049] Balance, water.

[0050] The phosphating solution includes: phosphoric acid, sodium dihydrogen phosphate, zinc chlorate, sodium nitrate, sodium fluoride and water;

[0051] The component content and weight percent of described phosphating solution are:

[0052] Phosphoric acid, 30%;

[0053] Sodium dihydrogen phosphate, 10%;

[0054] Zinc chlorate, 8%;

[0055] Sodium nitrate, 8%;

[0056] Sodium fluoride, 2%;

[0057] Water, 42%.

[0058] The aluminum ion complexing agent is a composition of ethylenediaminetetraacetic acid and iminodisuccinic acid.

[0059] The foaming surfactant is sodium dodecylbenzenesulfonate.

[0060] The non-ionic surfactant is a composition of sorbitan trioleate, propylene glycol fatty...

Embodiment 2

[0063] A surface cleaning agent is composed of the following components by weight percentage:

[0064] Phosphating solution, 15%;

[0065] Aluminum ion complexing agent, 25%;

[0066] Foaming anionic surfactant: 8.5%;

[0067] Nonionic surfactant, 12%;

[0068] Balance, water.

[0069] The phosphating solution includes: phosphoric acid, sodium dihydrogen phosphate, zinc chlorate, sodium nitrate, sodium fluoride and water;

[0070] The component content and weight percent of described phosphating solution are:

[0071] Phosphoric acid, 28%;

[0072] Sodium dihydrogen phosphate, 11%;

[0073] Zinc chlorate, 8%;

[0074] Sodium nitrate, 9%;

[0075] Sodium fluoride, 2%;

[0076] Water, 42%.

[0077] The aluminum ion complexing agent is a composition of iminodisuccinic acid, cyclohexanediaminetetraacetic acid and diethylaminopentacid.

[0078] The foaming surfactant is a combination of sodium lauryl sulfate and sodium C18 fatty acid.

[0079] The nonionic surfactant is...

Embodiment 3

[0082] A surface cleaning agent is composed of the following components by weight percentage:

[0083] Phosphating solution, 15%;

[0084] Aluminum ion complexing agent, 10%;

[0085] Foaming anionic surfactant: 6%;

[0086] Nonionic surfactant, 6%;

[0087] Balance, water.

[0088] The phosphating solution includes: phosphoric acid, sodium dihydrogen phosphate, zinc chlorate, sodium nitrate, sodium fluoride and water;

[0089] The component content and weight percent of described phosphating solution are:

[0090] Phosphoric acid, 31%;

[0091] Sodium dihydrogen phosphate, 11%;

[0092] Zinc chlorate, 9%;

[0093] Sodium nitrate, 9%;

[0094] Sodium fluoride, 3%;

[0095] Water, 37%.

[0096] The aluminum ion complexing agent comprises: a composition of ethylenediaminetetraacetic acid, iminodisuccinic acid, cyclohexanediaminetetraacetic acid, diethylaminepentacid and ethylene glycol.

[0097] The foaming surfactant is sodium dodecylbenzenesulfonate, a combination of ...

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PUM

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Abstract

The invention belongs to the technical field of chemical cleaning agents, and particularly relates to a surface cleaning agent. The surface cleaning agent is composed of the following components of, in percentage by weight, 10-15% of phosphating solution, 6-25% of an aluminum ion complexing agent, 1.5-8.5% of a foaming type anionic surfactant, 1-12% of a nonionic surfactant, and the balance water.Compared with the prior art, the surface cleaning agent has the advantages that the aluminum ion complexing agent, the foaming surfactant and the phosphide are added, so that the aluminum alloy surface cleaning speed is greatly increased, the problems of whitening and yellowing of the surface in traditional chemical cleaning are avoided, and the original gloss of the aluminum alloy surface can berecovered.

Description

technical field [0001] The invention belongs to the technical field of chemical cleaning agents, and in particular relates to a surface cleaning agent. Background technique [0002] Aluminum alloy has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry due to its advantages of low density, high strength, strong corrosion resistance, good processing performance and easy regeneration, and has become the most widely used one. Non-ferrous metal structural materials. However, because the surface of aluminum alloy products is easily polluted by various oils and dusts during the process of manufacture and use, oxidation will produce macular spots, oily dirt stains, dull and unsightly, so it needs to be cleaned regularly. In the related technology, the chemical method of wiping with soda ash solution is used for cleaning, but after cleaning, the residual reaction products such as sodium metaaluminate and aluminum hydroxid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23G1/12C23C22/36
CPCC23G1/125C23C22/362
Inventor 柳葛贤向佩志
Owner SNTO TECH GRP
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