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An anti-corrosion, anti-discoloration and environment-friendly water-based magnesium alloy cutting fluid

An anti-discoloration and environment-friendly technology, applied in lubricating compositions, petroleum industry, etc., can solve problems such as easy deposition of magnesium alloy cutting powder, layered demulsification of water-based cutting fluid, increase of total water hardness, etc., to avoid deposition and Oxidative combustion, reduced hydrogen generation, and improved corrosion resistance

Inactive Publication Date: 2018-02-23
苏州禾川化学技术服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are several major technical problems in the magnesium alloy cutting fluid: first, the magnesium alloy is very active, and the machining fluid is required to effectively inhibit its corrosion; The total hardness of the water is reduced, resulting in demulsification of water-based cutting fluid layers; 3. Magnesium alloy cutting powder is easy to deposit, easy to corrode and discolor during processing, and has problems such as oxidative combustion.

Method used

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  • An anti-corrosion, anti-discoloration and environment-friendly water-based magnesium alloy cutting fluid

Examples

Experimental program
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Effect test

Embodiment 1

[0034] An anti-corrosion, anti-discoloration and environment-friendly water-based magnesium alloy cutting fluid, which is prepared from the following raw materials:

[0035] Base oil 26# white oil 10g, oily agent rice bran oil fatty acid 9g, organic amine triethanolamine 24g, oleic acid 2g, lauroyl sarcosine 5g, diethylenetriamine 2g, composite surfactant 18g, extreme pressure additive chlorinated paraffin 0.5g, solubilizer ethylene glycol 8g, corrosion inhibitor triazole 0.3g, magnesium alloy anti-discoloration agent DS-175A 0.8g, MBM fungicide 1g, emulsified silicone oil defoamer 0.1g, complexing agent ethylenediaminetetra Disodium acetate (disodium EDTA) 1.2g, pH adjuster boric acid 3g, balance water, total 100.

[0036] The composite surfactant is a compound product of a general-purpose surfactant and a functional polyether surfactant. The general-purpose surfactant is composed of an emulsifier TX-9 and Tween 20 at a ratio of 1:1. The functional polyether surface The acti...

Embodiment 2

[0042] An anti-corrosion, anti-discoloration and environment-friendly water-based magnesium alloy cutting fluid, which is prepared from the following raw materials:

[0043] 500SN base oil 9g, sebacic acid 6g, triethanolamine 14g, diethanolamine 10g, tall oleic acid 11g, N-octanoyl aspartic acid 2g, hydroxyethylethylenediamine 2g, complex surfactant 20g, fatty alcohol Polyoxyethylene ether sulfate sodium salt (AES) 0.8g, diethylene glycol monobutyl ether 5g, benzotriazole 0.2g, magnesium alloy anti-discoloration agent DS-175A 1g, BK triazine fungicide 0.5g, 0.1g of silicone oil defoamer, 1.5g of sodium citrate, 2g of boric acid, and the rest of water.

[0044] Composite surfactants are compounded of general-purpose surfactants and functional polyether surfactants. The general-purpose surfactant is fatty alcohol polyoxyethylene ether AEO-7 and Tween 80 mixed at a ratio of 1:1, and the functional polyether surfactant is propylene glycol as the starting agent, random ethylene ox...

Embodiment 3

[0049] An anti-corrosion, anti-discoloration and environment-friendly water-based magnesium alloy cutting fluid is prepared from the following raw materials:

[0050] 150BS base oil 9g, rapeseed oil fatty acid 12g, triethanolamine 15g, monoethanolamine 10g, ricinoleic acid 6g, N-octanoyl glutamic acid 3g, diethylenetriamine 3g, composite surfactant 15g, MOA-3PK 0.8g , diethylene glycol 7g, urotropine 0.3g, magnesium alloy anti-discoloration agent DS-175A 1.2g, 2-benzisothiazolin-3-one (BIT) 0.1g, silicone oil defoamer 0.1g, times Sodium nitrilotriacetate (NTA sodium salt) 1.2g, boric acid 3g, balance water.

[0051] Composite surfactants are compounded of general-purpose surfactants and functional polyether surfactants. The general-purpose surfactant is isomerized alcohol polyoxyethylene ether E-1009 and nonylphenol polyoxyethylene ether TX-9 mixed at a ratio of 1:1, the functional polyether surfactant is propylene glycol as the initiator, epoxy A random copolymer of ethylen...

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Abstract

The invention discloses an anti-corrosion, anti-discoloration and environment-friendly water-based magnesium alloy cutting fluid, which comprises the following components by weight percentage: 5-10 parts of base oil, 5-15 parts of oily agent, 10-25 parts of organic 5-15 parts of rust agent, 15-25 parts of functional polyether surfactant, 0.2-3 parts of extreme pressure additive, 3-8 parts of solubilizer, 0.1-2 parts of metal corrosion inhibitor, 0.1-2 parts of magnesium alloy anti-discoloration agent 0.1-2 parts of fungicide, 0.1-1 part of defoamer, 0.1-10 parts of pH regulator, and 15-30 parts of water. The invention has excellent anti-corrosion, lubricating and anti-hard water capabilities, good cleaning and cooling effects, and effectively improves several major problems in the process of magnesium alloy processing, such as corrosion, oxidative combustion, discoloration of magnesium alloys, and demulsification and delamination of cutting fluids. The technical problem is that the pH value is between 9-11, which better meets the requirements of the magnesium alloy cutting process.

Description

technical field [0001] The invention relates to the field of fine chemicals, in particular to an anti-corrosion, anti-discoloration and environment-friendly water-based magnesium alloy cutting fluid. Background technique [0002] Magnesium alloys are mainly divided into Mg-Al-Mn series, Mg-Al-Zn-Mn series, Mg-Al-Si-Mn series, Mg-Al-RE series, Mg-Zn-RE series and Mg -Zn-Zr system. The density of magnesium alloy is small, about 2 / 3 of the density of aluminum. It has high specific strength and specific stiffness, strong shock absorption, strong resistance to electromagnetic interference, good dimensional stability, machinability, Electrical and thermal conductivity, etc.; low temperature dependence, small linear shrinkage, high recycling rate, in line with environmental protection requirements. Therefore, magnesium alloys have gained widespread attention in many fields such as automobiles, electronic appliances, and aviation. [0003] With the increasing application of magne...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M173/00C10N30/12C10N30/04C10N40/22
Inventor 景欣欣王婷婷陈珍珍杜威劲
Owner 苏州禾川化学技术服务有限公司
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