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Total-synthesis water-base metal cutting fluid and preparation method

A technology of cutting fluid and base metal, which is applied in the direction of lubricating composition and petroleum industry, can solve the problems of restricting the application of fully synthetic cutting fluid, and achieve the effect of convenient operation, simple preparation process and excellent performance

Inactive Publication Date: 2015-05-06
SHANGHAI BAOSTEEL IND TECHNOLOGICAL SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, generally fully synthetic cutting fluids contain toxic chemicals such as nitrite that have adverse effects on the human body and the environment, which limits the application of fully synthetic cutting fluids

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0014] The preparation method of above-mentioned fully synthetic water-based metal cutting fluid comprises the following steps:

[0015] Step 1. Add 5-20% of triethanolamine, 1-10% of monoethanolamine, 1-10% of special amine, 5-10% of rust inhibitor, and water in proportion to the reaction tank, at a temperature of 30-50 °C Stir for 30-60 minutes;

[0016] Step 2. Add 2-8% of ethylene oxide-propylene oxide block polyether PN30 and 2-12% of neodecanoic acid to the mixture of step 1 in proportion, and stir for 20 minutes at a temperature of 30-40°C. -30 minutes;

[0017] Step 3. Add 0.05-0.3% of quaternary amine type cationic surfactant chloride salt and 2-5% of hydroxyethyl hexahydro-s-triazine to the mixture of step 2, and stir at a temperature of 30-40 ° C for 30- 60 minutes to obtain the cutting fluid.

Embodiment 1

[0019] The cutting fluid is composed of the following components by weight percentage: triethanolamine 15%, monoethanolamine 5%, diisopropanolamine 5%, isononanoamidohexanoic acid 2%, 2,4,6-tris(aminohexanoic acid) Acid group)-1,3,5-triazine 5%, ethylene oxide-propylene oxide block polyether PN30 5%, neodecanoic acid 5%, quaternary amine cationic surfactant chloride salt 0.1%, hydroxyl Ethylhexahydro-s-triazine 2%, water balance, prepared by the following method:

[0020] 1) Triethanolamine 15%, monoethanolamine 5%, diisopropanolamine 5%, isononanoamidohexanoic acid 2%, 2,4,6-tris(aminohexanoic acid)-1,3,5- 5% of triazine and water were added to the reaction tank in proportion, and stirred for 40 minutes at 40°C;

[0021] 2) Add 5% ethylene oxide-propylene oxide block polyether PN30 and 5% neodecanoic acid to the mixture in step 1 in proportion, and stir at 40°C for 20 minutes;

[0022] 3) Add 0.1% quaternary amine cationic surfactant chloride salt and 2% hydroxyethylhexahyd...

Embodiment 2

[0024] The cutting fluid is composed of the following components by weight percentage: 10% triethanolamine, 3% monoethanolamine, 5% diisopropanolamine, 5% aminomethyl propanolamine, 3% isononanoyl hexanoic acid, 2% ,4,6-Tris(aminocaproic acid group)-1,3,5-triazine 3%, ethylene oxide-propylene oxide block polyether PN30 2%, neodecanoic acid 2%, quaternary amine cation Surfactant chloride salt 0.05%, hydroxyethyl hexahydro-s-triazine 3%, water balance, prepared by the following method:

[0025] 1) Triethanolamine 10%, monoethanolamine 3%, diisopropanolamine 5%, aminomethylpropanolamine 5%, isononanoamidohexanoic acid 3%, 2,4,6-tris(aminocaproic acid) base)-1,3,5-triazine 3% and water were added to the reaction tank in proportion, and stirred at 50°C for 30 minutes;

[0026] 2) Add ethylene oxide-propylene oxide block polyether PN30 2% and neodecanoic acid 2% to the mixture in step 1 in proportion, and stir at 30°C for 30 minutes;

[0027] 3) Add 0.05% of quaternary ammonium ca...

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Abstract

The invention discloses a total-synthesis water-base metal cutting fluid and a preparation method. The cutting fluid is composed of triethanolamine, monoethanolamine, a special amine, an antirust agent, ethylene oxide-propylene oxide block copolymer PN30, neodecanoic acid, a quaternary amine cationic surfactant chlorine salt and hexahydro-1,3,5-tris(hydroxyethyl)-s-triazine, and the balance water. The preparation method comprises: adding triethanolamine, monoethanolamine, the special amine, the antirust agent and water into a reaction tank according to a ratio and stirring; adding ethylene oxide-propylene oxide block copolymer PN30 and neodecanoic acid according to a ratio into the mixture in the reaction tank, and stirring; and finally adding the quaternary amine cationic surfactant chlorine salt and hexahydro-1,3,5-tris(hydroxyethyl)-s-triazine into the reaction tank and stirring, so as to obtain the cutting fluid. The cutting fluid has advantages of a total-synthesis type cutting fluid, is excellent in performances and does not contain nitrites and other compositions harmful to human body. By utilizing the method for preparing the cutting fluid, the preparation process is simple and operation is convenient.

Description

technical field [0001] The invention relates to a fully synthetic water-based metal cutting fluid and a preparation method. Background technique [0002] Cutting fluid is an important supporting material for metal cutting. The purpose of using cutting fluid is to reduce the cutting force and the friction between the tool and the workpiece, take away the cutting heat in time, reduce the cutting temperature, reduce the tool wear, and improve the surface roughness of the workpiece. , so as to improve production efficiency and achieve the best economic effect. [0003] With the continuous improvement of metal cutting technology, the continuous development of advanced machine tools, and the development of cutting tools and workpiece materials, the upgrading of cutting fluid varieties has been promoted. The cooling, stability and environmental protection of traditional oil-based cutting fluids have significantly lagged behind the development of modern cutting technology. Water-s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M173/02C10M177/00C10N40/22C10N30/06C10N30/12C10N30/18
Inventor 李清华王治明张文华
Owner SHANGHAI BAOSTEEL IND TECHNOLOGICAL SERVICE
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