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Emulsified cutting fluid and preparation method thereof

A cutting fluid and emulsified technology, applied in the field of emulsified cutting fluid and its preparation technology, to achieve good lubricating performance and cooling performance, solve the problem of damage, and simple production and preparation technology.

Active Publication Date: 2020-04-14
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the introduction of such additives requires a suitable emulsifier as a backing

Method used

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  • Emulsified cutting fluid and preparation method thereof

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preparation example Construction

[0099] Preparation method of emulsified cutting fluid, system temperature control

[0100] In the present invention, the temperature control of the system is not particularly limited, usually at 10-35°C, first add rust inhibitors and preservatives during softening, and then add organic alcohol amines, base oils, surfactants, and composite lubricants in sequence , bactericide, anti-hard water agent, finally add anti-foaming agent, stir until the system is uniform and clear to obtain the emulsified cutting fluid;

[0101] If the system temperature is less than 10°C, it is easy to cause difficulty in stirring due to the low temperature of the system, and the emulsified oil will become unstable; while the temperature of the system is greater than 35°C, due to the high temperature of the system, the water will volatilize seriously during the stirring process, and the mass fraction will not be stable. Accurate, etc., with no other beneficial effects.

Embodiment 1

[0103] An emulsified cutting fluid and its preparation process, each component, weight percentage and preparation process are:

[0104] The base oil is KR2832 40%, MVI150 14%, the surfactant is polyisobutylene succinamide 6.7%, fatty acid polyoxyethylene ester 2.5%, sorbitan oleate 6%, and the antirust agent is sodium nitrite 1.5%, undecanedibasic acid 0.9%, sodium benzoate 0.7%, preservative benzotriazole 0.3%, composite lubricants were tall oil fatty acid 2.2%, polymer ester 1.8%, organic alcohol amines were Triethanolamine 9%, monoethanolamine 0.5%, fungicide morpholine 1.5%, isothiazolinone compounds 0.8%, anti-hard water agent long-chain alcohol ether carboxylic acid 2.0%, short-chain alcohol ether carboxylic acid 1.3%, anti-hardening agent The foaming agent is 0.1% of silicone defoamer and 8.2% of demineralized water.

[0105] The preparation process is: at room temperature (10-35°C), add 0.3% benzotriazole, 0.7% sodium benzoate, 1.5% sodium nitrite, 0.9% undecanedibasi...

Embodiment 2

[0107] An emulsified cutting fluid and its preparation process, each component, weight percentage and preparation process are:

[0108] The base oil is 50% of No. 25 transformer oil, the surfactants are sodium petroleum sulfonate 6.5%, isotridecyl alcohol polyoxyethylene ether 2%, sorbitan oleate 16%, and the rust inhibitor is molybdic acid 0.5% sodium, 1% dodecenyl succinic acid, 0.2% methyl benzotriazole derivative as preservative, 2% tall oil fatty acid, 1% dialkyl sulfide as compound lubricant, organic Alcohol amines are triethanolamine 7%, diglycolamine 1.5%, bactericide is morpholine 2%, antihard water agent is mixed alcohol ether carboxylic acid 3.5%, antifoaming agent is siloxane defoamer 0.1%, Softened water 6.7%.

[0109] The preparation process is: at room temperature (10-35°C), add 0.2% of tolyltriazole derivatives, 0.5% of sodium molybdate, 7% of triethanolamine, and 1.5% of diglycolamine into 6.7% of demineralized water , Stir evenly, and then add 50% of No. 25...

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Abstract

The invention discloses an emulsified cutting fluid and a preparation process thereof. The product comprises the following components in percentage by weight: 50-70% of base oil, 14-25% of a surfactant, 1-4% of an antirust agent, 0.2-1% of a preservative, 3-7% of a composite lubricant, 2-10% of organic alcohol amine, 2-3% of a bactericide, 2-4% of a hard water resisting agent, 0.1% of an anti-foaming agent and the balance of softened water. The raw materials are added according to a certain sequence and proportion and then stirred to obtain the emulsified cutting fluid. Compared with the traditional emulsified oil preparation process, no intermediates subjected to chemical reaction is needed to be added, and the production and preparation process is simple and easy to operate. The cuttingfluid provided by the invention has good lubricating property, and can be used for processing materials such as cast iron, steel, stainless steel, copper, copper alloy, magnesium alloy and the like.

Description

technical field [0001] The invention belongs to the field of chemical products, in particular to an emulsified cutting fluid and a preparation process thereof. Background technique [0002] Cutting oil is a lubricating medium used in the metal cutting process, and its most important functions are lubrication, cooling, chip removal and rust prevention to obtain good surface accuracy and workpiece quality, while prolonging the service life of the machine tool. Oil-based cutting oil is often used in cutting processes that are difficult to process or have high requirements for lubricity. With the use of cemented carbide tools and the increase in the speed of machine tools, the application of water-based cutting fluids has emerged. Water-based cutting fluids are divided into three categories: emulsified type, microemulsion type, and fully synthetic type. Among them, compared with the other two cutting fluids, the emulsified cutting fluid (emulsified oil) has better lubricating p...

Claims

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Application Information

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IPC IPC(8): C10M173/00C10N40/22C10N30/12C10N30/06C10N30/18
CPCC10M173/00C10M2203/1006C10M2209/104C10M2209/109C10M2207/289C10M2201/083C10M2207/127C10M2207/141C10M2215/223C10M2207/18C10M2215/042C10M2215/226C10M2219/104C10M2229/02C10M2219/022C10M2209/108C10M2201/08C10M2223/04C10M2219/024C10M2207/402C10M2219/044Y02P70/10
Inventor 陈志忠尤龙刚张杰郎需进刘学洋李铭火鹏飞
Owner PETROCHINA CO LTD
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