Waterborne metal cutting fluid with good rust resistance

A technology of anti-rust performance and base metal, applied in the petroleum industry, lubricating composition, etc., can solve the problems of pollution, high cost of oil-based cutting fluid, rust prevention, and unsatisfactory lubricating performance.

Inactive Publication Date: 2018-09-04
TIANCHANG RUNDA METAL ANTIRUST AUX
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high cost of oil-based cutting fluid and relatively serious pollution, water-based cutting fluid products with green and environmentally friendly properties are the development direction of cutting fluids. The source of water is rich, non-toxic and tasteless, and is an ideal green base fluid. However, the anti-rust and lubricating properties of the currently commercially available water-based cutting fluids are not ideal, which limits their application.

Method used

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  • Waterborne metal cutting fluid with good rust resistance

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Effect test

Embodiment 1

[0013] A water-based metal cutting fluid with excellent antirust performance, comprising by weight: 15 parts of naphthenic base oil, 12 parts of composite antirust agent, 4 parts of diethanolamine borate, 5 parts of thiourea, triethanolamine oleate 12 parts, 14 parts of polyethylene glycol, 1 part of aminomethyl propanol, 2 parts of simethicone, 0.3 parts of tolyltriazole, 1 part of methylenebismorpholine, and 20 parts of water.

[0014] The composite antirust agent is composed of organic acid triethanolamine, polyvinyl alcohol, and borax in a weight ratio of 20:16:6.

[0015] Synthetic method of organic acid triethanolamine: After mixing sebaceous acid and triethanolamine, heat in a water bath and keep stirring, the reaction temperature is controlled at 80°C, react for 45 minutes, and cool to room temperature to obtain the product organic acid triethanolamine.

Embodiment 2

[0017] A water-based metal cutting fluid with excellent antirust performance, comprising by weight: 35 parts of naphthenic base oil, 3 parts of composite antirust agent, 8 parts of diethanolamine borate, 2 parts of thiourea, triethanolamine oleate 16 parts, 8 parts of polyethylene glycol, 8 parts of aminomethyl propanol, 0.2 parts of simethicone, 2 parts of tolyltriazole, 0.2 parts of methylenebismorpholine, 50 parts of water.

[0018] The compound antirust agent is composed of organic acid triethanolamine, polyvinyl alcohol and borax in a weight ratio of 25:12:9.

[0019] Synthetic method of organic acid triethanolamine: After mixing sebaceous acid and triethanolamine, heat in a water bath and keep stirring, the reaction temperature is controlled at 87°C, react for 35 minutes, and cool to room temperature to obtain the product organic acid triethanolamine.

Embodiment 3

[0021] A water-based metal cutting fluid with excellent antirust performance, comprising by weight: 20 parts of naphthenic base oil, 10 parts of composite antirust agent, 5 parts of diethanolamine borate, 4 parts of thiourea, triethanolamine oleate 13 parts, 12 parts of polyethylene glycol, 3 parts of aminomethylpropanol, 1.8 parts of simethicone, 0.5 parts of tolyltriazole, 0.9 parts of methylenebismorpholine, and 25 parts of water.

[0022] The composite antirust agent is composed of organic acid triethanolamine, polyvinyl alcohol, and borax in a weight ratio of 22:15:7.

[0023] Synthetic method of organic acid triethanolamine: After mixing sebaceous acid and triethanolamine, heat in a water bath and keep stirring, control the reaction temperature between 82°C, react for 43 minutes, and cool to room temperature to obtain the product organic acid triethanolamine.

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Abstract

The invention discloses waterborne metal cutting fluid with good rust resistance. The waterborne metal cutting fluid is characterized by being prepared from the following raw materials in parts by weight: 15 to 35 parts of naphthene base oil, 3 to 12 parts of composite anti-rust agent, 4 to 8 parts of diethanolamine borate, 2 to 5 parts of thiourea, 12 to 16 parts of triethanolamine oleate, 8 to 14 parts of polyethylene glycol, 1 to 8 parts of aminomethyl propanol, 0.2 to 2 parts of dimethyl silicon oil, 0.3 to 2 parts of methyl benzotriazole, 0.2 to 1 part of methylene dimorpholine and 20 to50 parts of water. The waterborne metal cutting fluid disclosed by the invention is green and environment-friendly, and is good in lubricating performance and excellent in rust resistance.

Description

technical field [0001] The invention relates to the technical field of metal processing, in particular to a water-based metal cutting fluid with excellent antirust performance. Background technique [0002] Metal cutting fluid refers to an industrial liquid commonly used in metal cutting, cutting, grinding, milling, etc., which can reduce the friction between the tool and the workpiece, and take away the friction and material deformation in the processing area in time. The heat, so as to achieve the effect of improving processing efficiency, improving workpiece precision, reducing workpiece surface roughness and prolonging tool life. Since the cutting process is one of the main pillars of the machinery manufacturing industry, accounting for about 30-40% of the total labor of machining, the importance of metal cutting fluid can be seen. [0003] The performance of cutting fluid depends on its composition, and cutting fluid is usually divided into two categories: non-water-so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M173/00C10N30/06C10N30/04C10N30/12C10N30/18C10N40/22
CPCC10M173/00C10M2201/087C10M2203/1065C10M2207/10C10M2209/04C10M2209/104C10M2215/042C10M2215/223C10M2215/226C10M2219/064C10M2227/061C10M2229/041C10N2030/04C10N2030/06C10N2030/12C10N2030/18C10N2040/22
Inventor 林伟江海涛
Owner TIANCHANG RUNDA METAL ANTIRUST AUX
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