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A kind of water-soluble metal antirust agent and preparation method thereof

A metal rust inhibitor, water-soluble technology, applied in the field of water-soluble metal rust inhibitor, can solve the problems of difficult waste liquid treatment, environmental pollution, high cost, and achieve fine particles, good quick drying, and short film forming time. Effect

Active Publication Date: 2017-02-15
TONGXIANG TONGDE ELECTRIC POWER FITTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, antirust oil and antirust paint are mostly used for long-term antirust of metal processing or products, which have high cost and serious environmental pollution. It is difficult to deal with waste liquid in the later stage, which brings a lot of inconvenience to the use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The formula of water-soluble metal antirust agent of the present invention is as follows:

[0014] Triethanolamine 8kg, zinc chloride 4kg, sodium borate 2.5kg, sodium molybdate 1.5kg, sodium carbonate 5kg, stannous sulfate 4kg, diethanolamine 1.5kg, isopropanol 1.5kg, ethanol 12kg, water 75kg.

[0015] The preparation method of water-soluble metal antirust agent of the present invention is as follows:

[0016] (1) Mix 8kg of triethanolamine, 2.5kg of sodium borate, 1.5kg of sodium molybdate, 5kg of sodium carbonate, 1.5kg of diethanolamine and 12kg of ethanol, heat to 70°C and keep warm for 32min;

[0017] (2) Add 75kg of water and 4kg of zinc chloride, keep stirring for 14min;

[0018] (3) Cool down to room temperature, add 4kg of stannous sulfate and 1.5kg of isopropanol, and stir for 8 minutes.

Embodiment 2

[0020] The formula of water-soluble metal antirust agent of the present invention is as follows:

[0021] Triethanolamine 7kg, zinc chloride 5kg, sodium borate 2kg, sodium molybdate 1kg, sodium carbonate 4kg, stannous sulfate 5kg, diethanolamine 1kg, isopropanol 1kg, ethanol 10kg, water 70kg.

[0022] The preparation method of water-soluble metal antirust agent of the present invention is as follows:

[0023] (1) Mix 7kg of triethanolamine, 2kg of sodium borate, 1kg of sodium molybdate, 4kg of sodium carbonate, 1kg of diethanolamine and 10kg of ethanol, heat to 65°C, and keep warm for 35min;

[0024] (2) Add 70kg of water and 5kg of zinc chloride, keep stirring for 16min;

[0025] (3) Cool down to room temperature, add 5kg of stannous sulfate and 1kg of isopropanol, and stir for 5 minutes.

Embodiment 3

[0027] The formula of water-soluble metal antirust agent of the present invention is as follows:

[0028] Triethanolamine 10kg, zinc chloride 3kg, sodium borate 3kg, sodium molybdate 2kg, sodium carbonate 6kg, stannous sulfate 3kg, diethanolamine 2kg, isopropanol 2kg, ethanol 15kg, water 80kg.

[0029] The preparation method of water-soluble metal antirust agent of the present invention is as follows:

[0030] (1) Mix 10kg of triethanolamine, 3kg of sodium borate, 2kg of sodium molybdate, 6kg of sodium carbonate, 2kg of diethanolamine and 15kg of ethanol, heat to 75°C, and keep warm for 30 minutes;

[0031] (2) Add 80kg of water and 3kg of zinc chloride, keep stirring for 12min;

[0032] (3) Cool down to room temperature, add 3kg of stannous sulfate and 2kg of isopropanol, and stir for 10 minutes.

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PUM

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Abstract

The invention provides water soluble metal antirusting agent. The water soluble metal antirusting agent comprises the following constituents in part by mass: 7 to 10 parts of triethanolamine, 3 to 5 parts of zinc chloride, 2 to 3 parts of sodium borate, 1 to 2 parts of sodium methoxide, 4 to 6 parts of sodium carbonate, 3 to 5 parts of stannous mono-sulphate, 1 to 2 parts of diethanol amine, 1 to 2 parts of isopropyl alcohol, 10 to 15 parts of ethyl alcohol, and 70 to 80 parts of water. The invention further provides a preparation method of the antirusting agent. By soaking metal work pieces in the water soluble metal antirusting agent, a layer of oxide protective film can be formed on the surface of metal, the tissue structure is dense, and particles are fine, so that the effect of rust protection is achieved; the water soluble metal antirusting agent is short in film formation time and good in drying capacity, and can form a film in 1 to 2 minutes only; the water soluble metal antirusting agent can ensure that metal keeps rustless within 6 months in normal environment.

Description

technical field [0001] The invention relates to a water-soluble metal antirust agent. Background technique [0002] In metalworking processes, such as cutting and cold rolling, emulsions or fully synthetic cutting fluids are often used for cooling and lubrication. Due to the presence of large amounts of water in machining fluids, corrosion protection of surfaces during and after machining is critical. At present, antirust oil and antirust paint are mostly used for long-term antirust of metal processing or products, which have high cost and serious environmental pollution. It is difficult to treat waste liquid in the later stage, which brings a lot of inconvenience to use. Contents of the invention [0003] In order to solve the problems in the prior art, the invention provides a water-soluble metal rust inhibitor. Therefore, the present invention also provides its preparation method. [0004] The invention provides a water-soluble metal antirust agent. The water-soluble...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23F11/00
Inventor 邓义增
Owner TONGXIANG TONGDE ELECTRIC POWER FITTING
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