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Self-bacteriostasis general emulsion cutting fluid and preparing method thereof

A cutting fluid and self-inhibitory technology, which is applied in the petroleum industry, additives, lubricating compositions, etc., can solve the problems of expensive bactericide, shortened service life, and increased product cost, so as to save anti-rust treatment and reduce product cost. cost, and the effect of extending the service life

Active Publication Date: 2012-07-11
泰伦特生物工程股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Emulsified cutting fluid is a kind of water-based cutting fluid. At present, most products have the following problems: 1. The scope of application is narrow. A corrosion inhibitor can only have a slow-release effect on one metal. It is applied to cast iron, steel, aluminum, and magnesium. For unused metal materials such as copper and copper, products with different formulas need to be used respectively, so that one product can only be used for one or two kinds of metal materials, and the versatility is very low; 2. Since the emulsified cutting fluid contains a certain proportion of base oil, The oxidative corruption of oil shortens the service life of the product, and special fungicides need to be added to the formula to prolong the service life of the product, but most of the fungicides are irritating to the skin, and the cost of fungicides will increase the cost of the product
[0004] After comparison, due to the lack of relevant corrosion inhibitors in its components and the presence of organic antibacterial agents, it is quite different from the content of this application

Method used

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  • Self-bacteriostasis general emulsion cutting fluid and preparing method thereof
  • Self-bacteriostasis general emulsion cutting fluid and preparing method thereof
  • Self-bacteriostasis general emulsion cutting fluid and preparing method thereof

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preparation example Construction

[0033] The preparation method of the above-mentioned self-inhibiting type universal emulsified cutting fluid comprises the following steps:

[0034] (1) Preparation of composite corrosion inhibitor

[0035] ① Add tolylbenzotriazole and thiadiazole into water, and heat up to 70-80°C while stirring to dissolve completely;

[0036] ②Add polybasic acid ester phosphoric acid derivatives, polyaryl carboxylic acid and triethanolamine to the solution obtained in step ①, and stir at a temperature of 60-70°C for more than 30 minutes until the solution is uniform and transparent, and the finished composite corrosion inhibitor is obtained;

[0037] (2) Prepared from antibacterial general-purpose emulsified cutting fluid

[0038] ① Add disodium ethylenediamine tetraacetate to base oil or oily agent, and heat up to 50-60°C to dissolve completely;

[0039] ②Add anionic surfactant, monoisopropanolamine, composite corrosion inhibitor, extreme pressure antiwear agent, alkylalanine surfactant ...

Embodiment 1

[0042]

[0043] The preparation method of the above-mentioned self-inhibiting type universal emulsified cutting fluid comprises the following steps:

[0044] (1) Preparation of composite corrosion inhibitor

[0045] ①Add 0.0611 kg of tolylbenzotriazole and 0.1175 kg of thiadiazole into water, and heat up to 70°C while stirring to dissolve completely;

[0046] 2. Add 2.82 kilograms of polyoxyethylene sebacic acid ether phosphate (polyester phosphoric acid derivatives), 0.47 kilograms of phenylmalonic acid (polyaryl carboxylic acid) and 0.47 kilograms of triethanolamine to the solution obtained in step 1. , stirred at 60°C for 50 minutes until the solution was uniform and transparent, and the finished composite corrosion inhibitor was obtained;

[0047] (2) Prepared from antibacterial general-purpose emulsified cutting fluid

[0048] ①Add 1 kg of disodium edetate to 65 kg of 10# engine oil (base oil or oily agent), and heat up to 50°C to completely dissolve it;

[0049] 2....

Embodiment 2

[0052]

[0053]

[0054] The preparation method of the above-mentioned self-inhibiting type universal emulsified cutting fluid comprises the following steps:

[0055] (1) Preparation of composite corrosion inhibitor

[0056] ① Add 0.0585 kg of methyl benzotriazole and 0.1125 kg of thiadiazole into water, and heat up to 80°C while stirring to dissolve completely;

[0057] 2. Add 2.7 kilograms of polyoxyethylene sebacic acid ether phosphate (polyester phosphoric acid derivatives), 0.45 kilograms of phenylmalonic acid (polyaryl carboxylic acid) and 0.45 kilograms of triethanolamine to the solution obtained in step 1. , stirred at 70°C for 50 minutes until the solution was uniform and transparent, and the finished composite corrosion inhibitor was obtained;

[0058] (2) Prepared from antibacterial general-purpose emulsified cutting fluid

[0059] ① Add 1 kg of disodium ethylenediamine tetraacetate to 68 kg of polyol ester (base oil or oily agent), and raise the temperature...

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Abstract

The invention relates to a self-bacteriostasis general emulsion cutting fluid and a preparing method thereof. The components of the emulsion cutting fluid includes, by weight, 50-70 parts of base oils, 7-25 parts of non-ionic surface active agents, 4-10 parts of anion surface active agents, 3-10 parts of monoisopropanolamines, 3-5 parts of compound corrosion inhibitors, 4-15 parts of extreme pressure antiwear agents, 0.01-0.3 parts of defoaming agents, 1 part of ethylene diamine tetraacetic acid, and 2-6 parts of alkyl alanine surface active agents. According to the self-bacteriostasis general emulsion cutting fluid, an organic triethylhexanoin process is adopted, cutting fluids produced has strong cooling characteristics, lubricity and rust protection, and is easy to wash, defects of heavy loading water-soluble cutting fluids in rust protection and odor aspects in use are avoided, simultaneously, bacteriacides are replaced by the alkyl alanine surface active agents, therefore strong bacteriostatic capacity for bacteria, fungi and molds can be achieved without adding special bacteriacides into products, service life of products is prolonged, and cost of products is reduced.

Description

technical field [0001] The invention belongs to the field of cutting fluids, in particular to a self-inhibiting general-purpose emulsified cutting fluid and a preparation method thereof. Background technique [0002] In recent years, with the rapid development of metal processing technology, the matching metal processing fluid has been constantly updated. Emulsified cutting fluid is a kind of water-based cutting fluid. At present, most products have the following problems: 1. The scope of application is narrow. A corrosion inhibitor can only have a slow-release effect on one metal. It is applied to cast iron, steel, aluminum, and magnesium. For unused metal materials such as copper and copper, products with different formulas need to be used respectively, so that one product can only be used for one or two kinds of metal materials, and the versatility is very low; 2. Since the emulsified cutting fluid contains a certain proportion of base oil, The oxidative corruption of oi...

Claims

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Application Information

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IPC IPC(8): C10M173/02C10M167/00C10N30/12C10N30/16C10N30/06C10N40/22
Inventor 安同艳尹树花王晓菲李洪幸张勇
Owner 泰伦特生物工程股份有限公司
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