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Water base emulsified cutting fluid and preparation method thereof

A cutting fluid, water-based technology, applied in the petroleum industry, lubricating composition, etc., can solve the problems of short service life of cutting fluid, unsuitable for various materials, poor lubrication performance, etc., to achieve long service life, lubricity and Strong cleaning ability and good extreme pressure lubricity

Inactive Publication Date: 2013-10-16
TIANCHANG RUNDA METAL ANTIRUST AUX
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, the cutting fluid proposed in the prior art has a short service life, poor anti-rust performance, poor lubricating performance, and is not suitable for use with various materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] In this embodiment, a water-based emulsified cutting fluid contains the following components by weight:

[0020] Mineral oil 30-55.5, pentaerythritol fatty acid synthetic ester 9.5-21, benzotriazole 0.4-2.1, diethylene glycol 4-11, monoisopropanolamine 2.5-11, boric acid 4.5-16, polyethylene glycol 9.5- 21. Polysiloxane defoamer 0.091-1.1, water 19-41.

Embodiment 2

[0022] In this embodiment, a water-based emulsified cutting fluid contains the following components by weight:

[0023] Mineral oil 55, pentaerythritol fatty acid synthetic ester 10, benzotriazole 0.5, diethylene glycol 5, monoisopropanolamine 10, boric acid 15, polyethylene glycol (molecular weight 2000) 10, polysiloxane defoamer 1.0 , water 20.

[0024] The mass ratio of polydimethylsiloxane and silicon dioxide in polysiloxane defoamer is 2:1.

[0025] Weigh mineral oil and polyethylene glycol according to the weight of the components, start stirring, and raise the temperature to 120°C, react at constant temperature for 1 hour, and cool to 80°C; then add pentaerythritol fatty acid synthetic ester, benzotriazole, and diglycol in sequence Alcohol, monoisopropanolamine, boric acid, polysiloxane defoamer, water, and stirred for 30 minutes to obtain the finished product.

Embodiment 3

[0027] In this embodiment, a water-based emulsified cutting fluid contains the following components by weight:

[0028] Mineral oil 31, pentaerythritol fatty acid synthetic ester 20, benzotriazole 2.0, diethylene glycol 10, monoisopropanolamine 3, boric acid 5, polyethylene glycol 60020, polysiloxane defoamer 0.1, water 40.

[0029] The mass ratio of polydimethylsiloxane and silicon dioxide in polysiloxane defoamer is 2-8:1, preferably 3-5:1

[0030] Weigh mineral oil and polyethylene glycol according to the weight of the components, start stirring, and raise the temperature to 120°C, react at constant temperature for 2 hours, and cool to 70°C; then add pentaerythritol fatty acid synthetic ester, benzotriazole, diglycol Alcohol, monoisopropanolamine, boric acid, polysiloxane defoamer, water, and stirred for 60 minutes to obtain the finished product.

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PUM

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Abstract

The invention relates to a water base emulsified cutting fluid which comprises the following components in parts by weight: 30-55.5 parts of mineral oil, 9.5-21 parts of pentaerythritol fatty acid compound ester, 0.4-2.1 parts of benzotriazole, 4-11 parts of diglycol, 2.5-11 parts of isopropanolamine, 4.5-16 parts of boric acid, 9.5-21 parts of polyethylene glycol, 0.091-1.1 parts of a polysiloxane defoamer, and 19-41 parts of water. The invention further discloses a preparation method of the water base emulsified cutting fluid. The method comprises the following steps of: weighing the mineral oil and polyethylene glycol in parts by weight, starting stirring and heating to 120 DEG C, performing a reaction for 1-2 hours at constant temperature and cooling to 70-80 DEG C; and then sequentially adding the balance of components, and stirring for reaction for 30-60 minutes to obtain a finished product. The water base emulsified cutting fluid provided by the invention not only has high lubricity, high anti-rust property, high emulsibility and high stability and long service life, but also is free from environmental pollution and damage to human body, so that the fluid can satisfy the cutting demands of various metals.

Description

technical field [0001] The invention relates to the technical field of cutting fluid, in particular to a water-based emulsified cutting fluid and a preparation method thereof. Background technique [0002] Metal cutting is a widely used processing method. During the cutting process, a lot of friction and heat will be generated between the tool and the workpiece, which not only affects the processing efficiency and the quality of the workpiece, but also causes damage to the tool and equipment. Therefore, cutting fluids with good lubricating, cooling, cleaning and anti-rust properties are the goals that have been pursued in metal cutting. [0003] Cutting fluid is an industrial liquid used to cool and lubricate cutting tools and workpieces during metal cutting, chipping and grinding. Good cooling performance, lubricating performance, anti-rust performance, degreasing and cleaning function, anti-corrosion function, easy to dilute. It overcomes the shortcomings of traditional ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M173/00C10N40/22
Inventor 林伟江海涛江海波江浩
Owner TIANCHANG RUNDA METAL ANTIRUST AUX
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