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Phosphatide based metal processing emulsion

An emulsion and metal-based technology, applied in the petroleum industry, lubricating compositions, etc., to achieve the effects of reasonable formula, excellent lubricity, and renewable resources

Inactive Publication Date: 2011-09-07
HENAN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After searching, no products related to the application of modified soybean lecithin to metalworking fluids were found

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1: A phospholipid-based metal processing emulsion, expressed in volume percentage, its composition ratio is: modified soybean lecithin 33%, Tween-80 7%, absolute ethanol 1%, phosphating solution rust inhibitor 2.5%, sandan oil 2%, silicone defoamer 2.5%, 35% (w / v) NaOH aqueous solution 4%, and the rest is water.

[0022] The composition and performance index of raw material modified soybean lecithin are shown in Table 1 and Table 2, wherein the antirust agent of phosphating solution is a zinc phosphate antirust agent, and by weight percentage, its composition is: phosphoric acid 15%, zinc oxide 5%, Sodium dihydrogen phosphate 5%, ammonium molybdate 0.4%, phytic acid 0.2%, manganese acetate 0.2%, citric acid 0.4%, emulsifier OP-10 0.4%, and the rest is water.

[0023] Among them, the silicone defoamer is a kind of defoamer formed by emulsifying dimethyl silicone oil (or polydimethylsiloxane) as the main raw material, adding other auxiliary materials, and it is av...

Embodiment 2

[0029] Embodiment 2: Phospholipid-based metal processing emulsion, raw material requirements and preparation method are basically the same as embodiment 1, the difference is:

[0030] Raw material ratio: modified soybean lecithin 30%, Tween-80 6%, absolute ethanol 0.8%, phosphating solution rust inhibitor 2%, sandan oil 3%, silicone defoamer 2.5%, 35% ( w / v) of NaOH aqueous solution 4%, the rest is distilled water.

[0031] The antirust agent used in phosphating solution is zinc phosphate antirust agent, and its weight composition is: phosphoric acid 18%, zinc oxide 6%, sodium dihydrogen phosphate 4%, ammonium molybdate 0.5%, phytic acid 0.2%, manganese acetate 0.3% %, citric acid 0.3%, emulsifier OP-10 0.4%, and the rest is water. The pH of the product is 8.

Embodiment 3

[0032] Embodiment 3: Phospholipid-based metal processing emulsion, raw material requirements and preparation method are the same as embodiment 1, the difference is:

[0033] Raw material ratio: modified soybean lecithin 33%, Tween-80 8%, absolute ethanol 1.5%, phosphating solution rust inhibitor 4%, sandan oil 3%, silicone defoamer 3%, 35% ( w / v) 5% NaOH aqueous solution, and the rest is distilled water. The pH of the product is 8.5.

[0034] The antirust agent for the phosphating solution is a zinc phosphate antirust agent, which consists of 20% phosphoric acid, 5.5% zinc oxide, 5% sodium dihydrogen phosphate, 0.4% ammonium molybdate, and 0.2% phytic acid. , manganese acetate 0.2%, citric acid 0.4%, emulsifier OP-10 0.4%, and the rest is water.

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Abstract

The invention relates to a phosphatide based metal processing emulsion, which comprises the following components in percentage by volume: 10 to 50 percent of modified soybean phosphatide, 3 to 16 percent of tween-80, 0.3 to 5 percent of absolute ethyl alcohol, 0.5 to 6 percent of phosphating solution antirust agent, 0.5 to 8 percent of sym-triazine preservative bactericide, 0.5 to 7 percent of organic silicon antifoaming agent, 1.5 to 8 percent of 20- 45% (w / v) NaOH aqueous solution, and the balance of water. During preparation, the components are uniformly mixed, and then the mixture is homogenized to prepare the emulsion. The phosphatide based metal processing emulsion has a reasonable formula, and the product has excellent lubricating property, rust-preventing characteristic, cooling characteristic, cleaning characteristic, bactericidal characteristic and high stability, can meet the uses and various processing requirements of machine tools, grinding machines, turning machines and the like, also has the advantages of low volatility, non-toxicity, high biodegradability, reutilization and the like, and can be used as a universal metal processing cutting solution to replace mineral oil based metal processing fluid; besides, the performance of the phosphatide based metal processing emulsion is superior to that of common mineral oil based processing fluid.

Description

technical field [0001] The invention relates to a metal processing fluid, in particular to a phospholipid-based metal processing emulsion. Background technique [0002] Metalworking fluid, also known as metalworking lubricant, refers to the general term for a class of substances that play a role in lubrication, rust prevention, anti-wear, pressure resistance, cooling and cleaning in all metal-related mechanical processing. Metalworking fluid can prolong the service life of the tool, prevent metal parts from rusting, take away the heat generated during the process, effectively remove chips and other particles on the surface of parts and tools, improve processing quality, and increase production efficiency. [0003] Metalworking fluids can be divided into two categories: oil-based machining fluids without water and water-based machining fluids with water as a functional component. Oil-based cutting fluid is cutting oil, which is mainly used for low-speed heavy cutting and cut...

Claims

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Application Information

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IPC IPC(8): C10M173/00C10N40/20
Inventor 李桂华罗世龙
Owner HENAN UNIVERSITY OF TECHNOLOGY
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