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A kind of aluminum alloy working fluid and its preparation method and application

An aluminum alloy and processing fluid technology, applied in the petroleum industry, lubricating compositions, etc., can solve the problems of unsatisfactory lubricity, poor resistance to hard water, and resistance to hard water of foam, and achieves reasonable ratio, convenient operation, The effect of good lubricating power

Active Publication Date: 2019-01-01
上海壹萨化学科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is also a small amount of fully synthetic fluid used for aluminum alloy processing, but there are more or less defects such as insufficient lubrication, foam, and poor resistance to hard water.
The existing aluminum alloy processing fluids have the following defects: (1) Conventional semi-synthetic or microemulsions rely heavily on mineral oil, and semi-synthetic fluids and microemulsions with better performance often contain more than 20 kinds of additives, which affect the quality of the finished product. The deployment requirements are relatively high, and it is not easy for ordinary people to master
(2) Semi-synthetic or microemulsion system, because it contains a large amount of mineral oil, it is difficult to treat waste liquid, and its biodegradability is relatively poor
The former often fails to meet the requirements in terms of lubricity, while the latter has problems such as serious foam and poor resistance to hard water

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The aluminum alloy processing fluid of the present invention comprises the following components in parts by mass: 25 kg of water-soluble polyester, 1 kg of phosphoric acid ester, 3 kg of boric acid, 25 kg of mixed alcohol amine, 3 kg of antirust agent, 3 kg of bactericide, 0.1 kg of defoaming agent, slow release Agent 0.3kg, pure water 39.6kg.

[0025] Wherein, the mixed alcohol amine includes 5 kg of monoethanolamine and 20 kg of triethanolamine. The antirust agent is a trivalent carboxylic acid, the sustained release agent is a benzotriazole derivative, and the fungicide is a fungicide MBM. TDS of pure water <20ms / cm. The use of mixed alcohol amines can adjust the pH value of the processing fluid. When the pH of the processing fluid is controlled at 8.8-9.2, the rust resistance of iron-based materials and the antibacterial ability of the product are greatly improved. Since monoethanolamine is relatively corrosive to aluminum alloys, we should not use too much monoet...

Embodiment 2

[0034] The aluminum alloy processing fluid of the present invention includes the following components in parts by mass: 30 kg of water-soluble polyester, 2 kg of phosphoric acid ester, 23 kg of mixed alcohol amine, 4 kg of rust inhibitor, 3 kg of bactericide, 0.1 kg of defoamer, and 0.5 kg of slow-release agent , 37.4kg of purified water.

[0035] Wherein, the mixed alcohol amine includes 3kg of monoethanolamine and 20kg of diethanolamine. The antirust agent is a trivalent carboxylic acid, the sustained release agent is a benzotriazole derivative, and the fungicide is a fungicide MBM. TDS of pure water <20ms / cm.

[0036] Water-soluble polyester was purchased from ISA Company, model ES550; phosphate ester was purchased from ISA Company, model PE518; fungicide MBM was purchased from ISA Company; boric acid was purchased from Sanxiang Company of the United States; tricarboxylic acid was purchased from BASF Company, model It is L190; the benzotriazole derivatives were purchased ...

Embodiment 3

[0044] The aluminum alloy processing fluid of the present invention includes the following components in parts by mass: 40 kg of water-soluble polyester, 1 kg of phosphoric acid ester, 3 kg of boric acid, 30 kg of mixed alcohol amine, 2 kg of antirust agent, 3 kg of bactericide, 0.1 kg of defoaming agent, slow release Agent 0.3kg, purified water 20.6kg.

[0045] Wherein, 5 kg of diethanolamine and 25 kg of diisopropanolamine are included in the mixed alcohol amine. The antirust agent is dibasic carboxylic acid, the sustained release agent is methyl benzotriazole, and the bactericide is bactericide MBM. TDS of pure water <20ms / cm.

[0046] Water-soluble polyester was purchased from ISA Company, model ES550; phosphate ester was purchased from ISA Company, model PE518; fungicide MBM was purchased from ISA Company; boric acid was purchased from Sanxiang Company of the United States; tricarboxylic acid was purchased from BASF Company, model It is L190; the benzotriazole derivativ...

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Abstract

The invention discloses aluminum alloy processing liquid as well as a preparation method and application thereof. The aluminum alloy processing liquid comprises the following components in parts by mass: 25-40 parts of water-soluble polyester, 1-2 parts of phosphate, 0-3 parts of boric acid, 20-30 parts of mixed alcohol amine, 2-4 parts of antirust agent, 1-3 parts of antibacterial agent, 0.05-0.15 part of antifoaming agent, 0.3-0.5 part of slow release agent and 20-42 parts of purified water. The aluminum alloy processing liquid is prepared by the following steps: adding the purified water, boric acid, antirust agent, mixed alcohol amine, slow release agent, water-soluble polyester, phosphate, antibacterial agent, purified water and antifoaming agent into a blending kettle according to certain order; and then stirring uniformly. The aluminum alloy processing liquid disclosed by the invention is used for processing aluminum alloy. In the invention, the water-soluble polyester and phosphate are applied to the aluminum alloy processing liquid for the first time, and the proportion is reasonable; the preparation method is simple in steps and convenient to operate; and the prepared aluminum alloy processing liquid is obviously transparent in color without turbidness and has good lubricating property, foam stability, hard water resistance and antirust property.

Description

technical field [0001] The invention relates to a metal processing fluid, in particular to an aluminum alloy processing fluid and its preparation method and application. Background technique [0002] With the rapid development of the mechanical processing industry, the development and application of various new metal materials and the continuous improvement of the level of metal processing technology, the original metal processing fluids in my country have been continuously developed and eliminated. Aluminum alloy is currently a metal material widely used in automotive engines, transmissions, aviation equipment and other mechanical equipment industries. Therefore, the demand for aluminum alloy processing fluids is also very important. [0003] Conventional aluminum alloy processing fluids are mainly semi-synthetic or microemulsified metal processing fluids containing a certain amount of mineral oil. There is also a small amount of fully synthetic fluid used for aluminum all...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M173/02C10N30/06C10N30/12C10N30/18C10N40/20
CPCC10M173/02C10M2201/085C10M2201/087C10M2207/10C10M2209/102C10M2215/042C10M2215/223C10M2229/041C10N2030/06C10N2030/12C10N2030/18C10N2040/245
Inventor 许栋杰夏帅
Owner 上海壹萨化学科技有限公司
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