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A kind of normal temperature phosphorus-free degreasing agent for quickly removing putty on the surface of metal workpieces

A metal workpiece and degreasing agent technology, applied in the chemical industry, can solve the problems of weak cleaning effect of dust, poor effect of degreasing and ash removal, reduced cleaning efficiency and speed, etc., and achieve the effect of strong cleaning effect

Active Publication Date: 2017-01-18
合肥华清高科表面技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although traditional cleaning agents have a certain ability to clean oil stains, they have little cleaning effect on the dirt attached to the surface of the workpiece. Some cleaning agents need to be treated for a long time to soften the dirt, and some cleaning agents need manual scrubbing. dust removal, which reduces the cleaning efficiency and speed, and the effect of degreasing and dust removal is even worse under low temperature conditions

Method used

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  • A kind of normal temperature phosphorus-free degreasing agent for quickly removing putty on the surface of metal workpieces

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A normal temperature phosphorus-free degreasing agent for quickly removing putty on the surface of metal workpieces, the weight percentage of its raw materials is:

[0030] Sodium Hydroxide 10%

[0031] Sodium metasilicate 10%

[0032] Sorbitol 3%

[0033] Polyvinylpyrrolidone 3%

[0034] Hydroxyethyl Cellulose 0.5%

[0035] Sodium dioctyl sulfosuccinate 1%

[0036] Triethanolamine 0.05%

[0037] water balance.

[0038] The preparation method of the above-mentioned normal temperature phosphorus-free degreasing agent for quickly removing putty on the surface of metal workpieces comprises the following steps:

[0039] (1) Weigh each raw material according to the weight percentage of the constituent raw materials, first put sodium hydroxide and water into the reaction kettle, stir and wait for it to completely dissolve, and place it for 2 hours to obtain an alkali solution;

[0040] (2) Then put sodium metasilicate and sorbitol into water one by one, fully dissolve ...

Embodiment 2

[0043] A normal temperature phosphorus-free degreasing agent for quickly removing putty on the surface of metal workpieces, the weight percentage of its raw materials is:

[0044] Sodium Hydroxide 20%

[0045] Sodium metasilicate 5%

[0046] Sorbitol 5%

[0047] Polyvinylpyrrolidone 1%

[0048] Hydroxyethyl Cellulose 1%

[0049] Sodium dioctyl sulfosuccinate 0.5%

[0050] Triethanolamine 0.1%

[0051] water balance.

[0052] The preparation method is the same as in Example 1.

Embodiment 3

[0054] A normal temperature phosphorus-free degreasing agent for quickly removing putty on the surface of metal workpieces, the weight percentage of its raw materials is:

[0055] Sodium Hydroxide 15%

[0056] Sodium metasilicate 7.5%

[0057] Sorbitol 4%

[0058] Polyvinylpyrrolidone 2%

[0059] Hydroxyethyl Cellulose 0.75%

[0060] Sodium dioctyl sulfosuccinate 0.75%

[0061] Triethanolamine 0.075%

[0062] water balance.

[0063] The preparation method is the same as in Example 1.

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Abstract

The invention discloses a normal-temperature phosphorus-free degreasing agent for quickly removing putty on the surface of metal workpieces. The weight percentage of raw materials is: sodium hydroxide 10%-20%, sodium metasilicate 5%-10%, sorbitol 3 %‑5%, polyvinylpyrrolidone 1%‑3%, hydroxyethyl cellulose 0.5%‑1%, dioctyl sulfosuccinate sodium 0.5%‑1%, triethanolamine 0.05%‑0.1%, and the balance is water. Compared with the prior art, the present invention has the characteristics of normal temperature, no phosphorus, low foam, etc., and has no corrosion to steel, aluminum alloy, copper alloy, magnesium alloy, zinc alloy and other materials. It can quickly remove oil stains and dirt on the surface of the workpiece, and still has a strong cleaning effect on the surface of workpieces with many types of grease and large dirt.

Description

technical field [0001] The invention belongs to the field of chemical industry, and in particular relates to a normal-temperature phosphorus-free degreasing agent for quickly removing putty on the surface of metal workpieces. Background technique [0002] In the process of mechanical processing, the workpiece is often contaminated with various oil stains and dirt. Some workpieces are difficult to remove due to long-term cleaning and other reasons. A strong decontamination cleaning agent is required. net. Although traditional cleaning agents have a certain ability to clean oil stains, they have little cleaning effect on the dirt attached to the surface of the workpiece. Some cleaning agents need to be treated for a long time to soften the dirt, and some cleaning agents need manual scrubbing. In order to remove dust, the efficiency and speed of cleaning are reduced, and the effect of degreasing and dust removal is even worse under low temperature conditions. Therefore, be ba...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23G1/14
CPCC23G1/14
Inventor 刘万青郑松林
Owner 合肥华清高科表面技术股份有限公司