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A kind of fully synthetic cutting fluid and its preparation method and application

A cutting fluid, fully synthetic technology, used in lubricating compositions, petroleum industry and other directions, can solve the problems of affecting cutting efficiency, workshop cost, affecting the dimensional accuracy of workpieces, poor compatibility of adhesives, etc., to improve rust prevention and corrosion inhibition. Protection, enhanced corrosion inhibition, shortened cutting time

Active Publication Date: 2021-09-28
SHAANXI RES DESIGN INST OF PETROLEUM CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, because most of the existing cutting fluids are alkaline aqueous solutions, which have poor compatibility with adhesives, the adhesives are dissolved and destroyed during use, and workpieces loosen and fall off, which affects the dimensional accuracy of workpieces during manufacturing. Therefore, cutting fluids and adhesives are not compatible. At the same time, the existing cutting fluid contains excessive surface active compounds, and the cutting fluid foams a lot during the circulation process, which also affects the cutting work efficiency and the cost of the processing workshop. Therefore, the existing cutting fluid needs to be further improved

Method used

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  • A kind of fully synthetic cutting fluid and its preparation method and application

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 1), each component was weighed according to percentage mass: ethanolamine 20g; triethanolamine 120g; organic tricarboxylic acid {2, 4, 6-tris(aminocaproyl)-1, 2, 3-triazine} 90g; Benzotriazole 5g; block polyether (RBL1740) 80g; block polyether (RBL1720) 30g; polyoxyethylene oleate 20g;

[0031] 2), heating and stirring the ethanolamine, triethanolamine, and 500 g of water weighed in step 1) at 40-65° C. to obtain the first mixture;

[0032] 3) Add the organic tricarboxylic acid and benzotriazole weighed in step 1) to the first mixture obtained in step 2) sequentially, and heat the reaction at 40-65°C to obtain the second mixture;

[0033] 4) Add step 1) block polyether (RBL1740), block polyether (RBL1720), polyoxyethylene oleate, hexamethylene diamine and the rest of water in sequence to the second mixture obtained in step 3). Heat and stir at 40-60°C and mix evenly to obtain fully synthetic cutting fluid.

Embodiment 2

[0035] 1), each component is weighed by percentage mass: isopropanolamine 40g; Triisopropanolamine 80g; Potassium hydroxide 10g; Tribasic carboxylic acid 60g; Organic acyl amino acid 40g; Methylene benzotriazole 2g ;Atactic polyether (GEP-3000) 120g; Triethylenetetramine 40g; Water 608g; The sum of the components is 1kg;

[0036] 2), heating and stirring the isopropanolamine, triisopropanolamine, potassium hydroxide, and 500 g of water weighed in step 1) at 40-65° C. to obtain the first mixture;

[0037] 3) Add the tribasic carboxylic acid, organic acyl amino acid, and methine benzotriazole weighed in step 1) to the first mixture obtained in step 2) sequentially, and heat the reaction at 40-65°C to obtain the second mixture;

[0038] 4) Add the atactic polyether, triethylenetetramine, and the rest of water weighed in step 1) to the second mixture obtained in step 3) in sequence, heat and stir at 40-60°C and mix evenly to obtain a total synthesis cutting fluid.

Embodiment 3

[0040] 1) Weigh each component according to percentage mass: diethanolamine 20g; triethanolamine 90g; sodium hydroxide 10g; dodecanedioic acid 80g; boric acid 10g; mercaptobenzothiazole 8g; propylene glycol block polyether (L63) 90g ; Fatty acid amide (AMIDEMA311) 10g; Polyetheramine (D-230) 25g; Water 657g; The sum of the components is 1kg;

[0041] 2), heating and stirring the potassium hydroxide, diethanolamine, triethanolamine, and 500 g of water weighed in step 1) at 40-65° C. to obtain the first mixture;

[0042] 3) Add the dodecanedioic acid, boric acid, and mercaptobenzothiazole weighed in step 1) sequentially to the first mixture obtained in step 2), and heat the reaction at 40-65°C to obtain the second mixture;

[0043] 4) Add the block polyether, polyether amine, fatty acid amide and the rest of water weighed in step 1) to the second mixture obtained in step 3) in sequence, heat and stir at 40-60°C and mix evenly to obtain the complete Synthetic cutting fluid.

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Abstract

A fully synthetic cutting fluid and its preparation method and application, 1) According to the content of lubricant 3-20%, anti-rust agent 3-15%, alkali retaining agent 3-20%, film curing agent 0.5-7% %, the rest is water for proportioning; 2) Heat and stir the alkali retaining agent weighed in step 1) and part of the water to obtain the first mixture; 3) Add the first mixture obtained in step 2) to step 1) The weighed anti-rust agent is heated and reacted at 40-65°C to obtain the second mixture; 4), the second mixture obtained in step 3) is sequentially added to the weighed lubricant, film curing agent and balance of step 1) Water, that is, fully synthetic cutting fluid. It solves the problem that the strength of the adhesive decreases after being soaked in alkaline cutting fluid in machining, and then the bonding fails completely, and the fixed workpiece falls off. At the same time, it has good lubrication, cooling, anti-rust and corrosion inhibition effects.

Description

technical field [0001] The invention relates to the technical field of metalworking fluids, and relates to a cutting fluid suitable for machining adhesives, in particular to a fully synthetic cutting fluid and its preparation method and application. Background technique [0002] Cutting fluid is used to cool the tool and the workpiece, take away the material cutting debris in the machining area, and improve the surface roughness of the workpiece. The water-based cutting fluid is composed of lubricants, antirust agents, cleaning agents, alkali stabilizers, and defoamers. Use a large amount of water to dilute the concentrated cutting fluid. During the machining process, the cutting fluid can improve the lubrication effect and prevent the surface of the processed material from rusting. Water-based cutting fluid is easy to maintain and low in cost, and is widely used in large-scale processing equipment. Cutting fluid plays a vital role in machining, and the difference in the co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M173/02C10N40/22C10N30/04C10N30/06C10N30/12
Inventor 李峰张晨晖吴珉
Owner SHAANXI RES DESIGN INST OF PETROLEUM CHEM IND