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Metal cleaning agent

A technology of metal cleaning agent and chelating agent, applied in the field of metal cleaning agent, can solve the problems of long cleaning time, affecting processing, and bodily injury of operators.

Inactive Publication Date: 2013-12-18
杨震宇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

They are generally aimed at the treatment of light oil stains on the metal surface. The cleaning efficiency of heavy oil stains is low, which is reflected in the long cleaning time and poor effect; there are many foams, which affect the effect of degreasing and cleaning after degreasing; Toxic and harmful substances such as sodium nitrite, etc., pollute the environment and cause harm to the operator's body; it is easy to cause corrosion to more active metals such as aluminum, which affects subsequent processing

Method used

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Examples

Experimental program
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preparation example Construction

[0080] Preparation and application of artificial oil stains

[0081] Heat the mixture of industrial vaseline, 30# engine oil, and 20# engine oil to about 120°C to dissolve evenly, pour in lanolin, calcium-based fat, barium petroleum sulfonate and lanolin, stir to dissolve, control the temperature not to exceed 130°C, wait for After all dissolved, stop heating, add alumina powder, stir evenly, and cool to room temperature.

[0082]

[0083] Hang the polished and cleaned steel test piece (50×25×3~5mm) with a hook, dry it in an oven at 40°C for 30 minutes, cool it and weigh it to an accuracy of 0.2mg. Put the weighed test piece flat on a clean filter paper, use a small scraper to tweezer to pick up the artificial oil, and apply it evenly on two-thirds of one side of the test piece, leaving the remaining one-third surface uncoated. Wipe off excess oil on both sides and bottom of the test piece with filter paper. Oil stain coating should be controlled between 0.08~0.19g. Then h...

Embodiment 1-11）

[0098]

[0099] The present invention uses the traditional indoor static coupon (specification: 50mm×10mm×3mm, material is 20# steel) weight loss method to test the corrosion rate of the simulated corrosion solution. The main components of the simulated corrosion solution are NH4HS, NH4Cl and a small amount of H2S or NH3 etc. It is found that Examples 1-11 all have good corrosion inhibition effects.

[0100] The isomeric tridecyl alcohol polyoxyethylene ether in the embodiment is the 1307 product of Ningbo Lejia Chemical Co., Ltd., the straight-chain 10-carbon alcohol polyoxyethylene ether is the XP series product of BASF, and the 14-carbon secondary alcohol polyoxyethylene ether is Xuzhou Mei S-50 series products of Rui Chemical Co., Ltd.

[0101] After testing, the results of the metal cleaning agent mixed with mercapto-containing compounds, nitrogen-containing carboxylic acids and chelating agents with antioxidant effects to remove organic pollutants are all "excell...

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Abstract

The invention relates to a metal cleaning agent and particularly relates to a cleaning agent for cleaning surface contaminants of mechanical metal. The metal cleaning agent disclosed by the invention is used for overcoming the defects of the existing cleaning agents that the cleaning efficiency of relatively heavy oil stains is low, the cleaning time is long and the environment is polluted. The metal cleaning agent is prepared from a mercapto-containing compound, alcohol ether, a strong chelating agent and water.

Description

technical field [0001] The invention relates to a metal cleaning agent, in particular to a cleaning agent for cleaning pollutants on the metal surface of machinery. [0002] Background technique [0003] During the processing of metal parts, oil, gel, electrolyte, etc. are often used. After processing metal products, some of these substances will adhere to the metal surface and cause pollution. Therefore, it is necessary to clean the processed metal parts. Wash to remove these residues. [0004] Specifically, oil stains contain fatty oil and mineral oil as lubricating oil, dyes, smoke and other upstream processes, granular dirt, metal oxides, etc. The dirt involved in the metal surface cleaning process is very extensive. These substances The composition of oil-greasy dirt, after a long time of change, through chemical reactions such as heating and drying, forms very stubborn, darker stains on the metal surface that are difficult to achieve a good washing effect with ordina...

Claims

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Application Information

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IPC IPC(8): C23G1/00C23G1/06C23G1/26
Inventor 杨震宇
Owner 杨震宇
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