Water-based metal cutting fluid suitable for soft water

A metal processing and cutting fluid technology, applied in the petroleum industry, lubricating compositions, etc., can solve the problems of high foaming, instability and poor processing performance of cutting fluids, and achieve faster foam release speed, improved stability and lubricity. Effect

Inactive Publication Date: 2013-04-17
QUAKER CHEM CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects of the prior art and provide a water-based metalworking cutting fluid suitable for soft water, so as to solve the problems of high foaming, instability and poor processing performance of the cutting fluid on site.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Add and stir the following raw material components one by one at 20-50°C: base oil 45%, modified polymerized ricinoleic acid 10%, nonionic surfactant 5%, anionic surfactant 10%, synthetic 10% of ester, 4% of coupling agent, 2% of additive, and 14% of water are mixed uniformly to obtain the cutting fluid of the present invention.

[0026] Wherein, base oil is mineral oil;

[0027] The modified polymerized ricinoleic acid is selected from the reaction product of polymerized ricinoleic acid, polyethylene glycol with terminal hydroxyl group and polyoxyethylene polyoxypropylene ether;

[0028] The nonionic surfactant is fatty alcohol polyoxyethylene ether;

[0029] The anionic surfactant is a mixture of talloleic acid and monoethanolamine;

[0030] The synthetic ester is isooctyl palmitate;

[0031] The coupling agent is isopropanol;

[0032] The additives are a mixture of fungicides, rust inhibitors, defoamers and corrosion inhibitors. Among them, the bactericide is hy...

Embodiment 2

[0034] Add and stir the following raw material components one by one at a temperature of 20-50°C: base oil 35%, modified polymerized ricinoleic acid 8%, nonionic surfactant 4%, anionic surfactant 8%, synthetic 15% of ester, 3% of coupling agent, 3% of additive, and 24% of water are mixed uniformly to prepare the cutting fluid of the present invention.

[0035] Wherein, the base oil is ethylene-polyalpha-olefin;

[0036] The modified polymerized ricinoleic acid is selected from the reaction product of polymerized ricinoleic acid and polyethylene glycol with terminal hydroxyl groups;

[0037] The nonionic surfactant is fatty alcohol polyoxyethylene polyoxypropylene ether;

[0038] Anionic surfactant is a mixture of ricinoleic acid and isopropanolamine;

[0039] The synthetic ester is isooctyl oleate;

[0040] The coupling agent is methoxy-propoxy-propanol;

[0041] The additives are a mixture of fungicides, rust inhibitors, defoamers and corrosion inhibitors. Among them, th...

Embodiment 3

[0043] Add and stir the following raw material components one by one at 20-50°C: base oil 20%, modified polymerized ricinoleic acid 15%, nonionic surfactant 3%, anionic surfactant 15%, synthetic 10% of ester, 6% of coupling agent, 4% of additive, and 27% of water are mixed uniformly to prepare the cutting fluid of the present invention.

[0044] Wherein, base oil is palm oil;

[0045] The modified polymerized ricinoleic acid is selected from the reaction product of polymerized ricinoleic acid and polyoxyethylene polyoxypropylene ether;

[0046] The nonionic surfactant is polyoxyethylene fatty acid ester;

[0047] Anionic surfactant is a mixture of dimer acid and 2-amino-2-methyl-1-propanol;

[0048] The synthetic ester is pentaerythritol ester;

[0049] The coupling agent is ethylene glycol butyl ether;

[0050] The additives are a mixture of fungicides, rust inhibitors, defoamers and corrosion inhibitors. Among them, the bactericide is hydroxyethylhexahydro-s-triazine (o...

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PUM

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Abstract

The invention discloses a water-based metal cutting fluid suitable for soft water. The water-based metal cutting fluid comprises the following components in percentage by weight: 20-45% of base oil, 5-15% of modified polymerized ricinoleic acid, 0.5-5% of non-ionic surfactant, 5-15% of anionic surfactant, 5-15% of synthetic ester, 1-6% of coupling agent, 1-5% of additive and water in balancing amount. According to the invention, as the special molecular structure of the modified polymerized ricinoleic acid is skillfully utilized in the formula of the cutting fluid, the bubble releasing speed of the cutting fluid in the soft water is effectively increased, and the stability and lubricating property of the cutting fluid are greatly improved.

Description

technical field [0001] The invention relates to a metal processing fluid, in particular to an aqueous metal processing cutting fluid suitable for soft water. Background technique [0002] With the rapid development of industries such as electronics, automobiles, aerospace, new energy and heavy equipment, the development of corresponding metal processing technologies has attracted more and more attention from the industry. As an important part of the metal processing process, metal processing fluid plays an indispensable role in the improvement and development of metal processing technology. Generally speaking, metal cutting fluids are divided into two categories: oil-based and water-based. From the perspective of market usage, the usage of water-based products is increasing year by year. However, water-based cutting fluids are more sensitive to the quality of on-site water. For example, water with high hardness will cause the cutting fluid to be unstable, which will affec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M173/00C10M173/02C10N40/22
Inventor 廖正华赵兴民唐莉陈莉莉张璐熠
Owner QUAKER CHEM CHINA
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