Quasi-dry lubricant and preparation method thereof

A dry lubricant and lubricant composition technology, applied in the field of lubrication, can solve the problems of environmentally unfriendly sulfur- and chlorine-containing additives, large lubricant usage, waste of resources, etc., and achieve significant environmental protection effects and good anti-friction Excellent performance in performance and lubricating properties

Active Publication Date: 2020-06-19
上海贝能环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditional metal cutting generally uses mineral oil/vegetable oil/cutting fluid for a large amount of shower lubrication and cooling. The amount of lubricant used is large, which not only wastes resources, but also causes huge pollution to the processing site and the environment, and also seriously affects the health of the operators....

Method used

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  • Quasi-dry lubricant and preparation method thereof
  • Quasi-dry lubricant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Weigh 1000g of laccarnation acid and place it in a reaction kettle, slowly add 150g of phosphorus pentoxide while stirring, after adding phosphorus pentoxide, fully stir and react at 130°C for 2 hours, and when the temperature drops below 100°C, Add 200g of ammonium paratungstate aqueous solution (25%), heat to 150°C, fully react for 3 hours, remove moisture and ammonia under reduced pressure; it is a lubricant composition.

[0033] Weigh 300 g of the above-prepared lubricant composition, 400 g of isooctyl palmitate, 200 g of sophorolipid, and 100 g of polysucrose decanoate ester, mix and stir at 50°C until it becomes transparent, then a quasi-dry lubricant is obtained.

[0034] The preparation method of above-mentioned polysucrose decanoate:

[0035] Step 1: Add 342.3g (1mol) of sucrose, 139.28g (1.2mol) of maleic acid, 1033.56g (6mol) of n-decanoic acid, and 9g of catalyst (5% dilute sulfuric acid) into the reaction kettle, at a reaction temperature of 220°C React fo...

Embodiment 2

[0038] Weigh 1000g of laccarnation acid and place it in a reaction kettle, slowly add 100g of phosphorus pentoxide while stirring, after adding phosphorus pentoxide, fully stir and react at 120°C for 3 hours, and when the temperature drops below 100°C, Add 600g of ammonium paratungstate aqueous solution (10%), heat to 160°C, fully react for 2 hours, remove moisture and ammonia under reduced pressure; it is a lubricant composition.

[0039] Weigh 200g of the above-prepared lubricant composition, 500g of isooctyl palmitate, 100g of sophorolipid, and 200g of polysucrose laurate, mix and stir at 40°C until it becomes transparent, then it is a quasi-dry lubricant.

[0040] The preparation method of above-mentioned polysucrose laurate:

[0041] Step 1: Add 342.3g (1mol) of sucrose, 127.68g (1.1mol) of fumaric acid, 900.96g (3mol) of lauric acid, and 2g of phosphotungstic acid into the reactor, and react at a reaction temperature of 180°C for 5 hours; After decompression to discharg...

Embodiment 3

[0044] Weigh 1000g of laccarnation acid and place it in a reaction kettle, slowly add 110g of phosphorus pentoxide while stirring, after adding phosphorus pentoxide, fully stir and react at 125°C for 2.5 hours, and when the temperature drops below 100°C, Add 300g of ammonium paratungstate aqueous solution (20%), heat to 155°C, fully react for 2.5 hours, remove moisture and ammonia under reduced pressure; it is a lubricant composition.

[0045] Weigh 250g of the above-prepared lubricant composition, 450g of isooctyl palmitate, 150g of sophorolipid, and 150g of polysucrose stearate, and mix and stir at 45°C until it becomes transparent, which is a quasi-dry lubricant.

[0046] The preparation method of above-mentioned polysucrose stearate:

[0047] Step 1: Add 342.3g (1mol) of sucrose, 98.08g (1mol) of maleic anhydride, 1137.92g (4mol) of stearic acid, and 4g of phosphotungstic acid into the reactor, and react at a reaction temperature of 200°C for 4.5 hours; After decompression ...

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Abstract

The invention provides a lubricant composition. The lubricant composition is characterized by being prepared from aleutric acid, phosphorus pentoxide and ammonium paratungstate. The weight parts of aleutric acid, phosphorus pentoxide and ammonium paratungstate are 100 parts, 10 to 15 parts, and 5-10 parts, respectively. The prepared lubricant composition is an anti-wear extreme-pressure organic tungsten additive containing P-W-N, three -OH in the molecular structure of the aleutric acid is beneficial for an esterification reaction of the aleutric acid with phosphorus pentoxide, and -COOH in the molecular structure of the aleutric acid is easy to be combined with -WO3- in ammonium paratungstate so as to generate organotungsten compounds. Tests prove that the service life of a cutter can beeffectively prolonged when the lubricant composition is used for quasi-dry lubrication of the cutter. A quasi-dry lubricant containing the lubricant composition is characterized by being prepared fromthe following components in percentage by weight: 20-30% of the lubricant composition, 40 to 50% of isooctyl palmitate, 10 to 20% of sophorolipid and 10-20% of polysucrose fatty acid ester.

Description

technical field [0001] The invention belongs to the technical field of lubrication, and in particular relates to a quasi-dry lubricant and a preparation method. Background technique [0002] Traditional metal cutting generally uses mineral oil / vegetable oil / cutting fluid for a large amount of shower lubrication and cooling. The amount of lubricant used is large, which not only wastes resources, but also causes huge pollution to the processing site and the environment, and also seriously affects the health of the operators. In good health. [0003] In order to solve these problems, recent research on quasi-dry lubrication technology at home and abroad has made some progress. The quasi-dry lubrication technology has solved the above-mentioned problems such as large amount of lubricant usage and serious pollution. Excessive use of sulfur-containing and Chlorinated additives. [0004] Due to the small amount of lubricant used, the lubrication effect is often unsatisfactory, an...

Claims

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Application Information

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IPC IPC(8): C10M141/02C10M169/04C10N30/06C10N30/12C10N40/20C10N50/08
CPCC10M141/02C10M169/044C10M2207/128C10M2201/085C10M2201/08C10M2201/18C10M2207/281C10M2209/08C10M2207/289
Inventor 张兆平张乃庆
Owner 上海贝能环保科技有限公司
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