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Borate anti-abrasion extreme pressure additive and preparing method thereof

An extreme pressure additive, borate technology, applied in additives, petroleum industry, lubricating compositions, etc., can solve the problems of poor water resistance, anti-wear and compression resistance and cone penetration that can not fully meet market demand.

Active Publication Date: 2012-08-08
杭州得润宝油脂股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patent better solves the problem of poor water resistance of borate additives, but its anti-wear and compression properties and penetration do not fully meet the market demand

Method used

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  • Borate anti-abrasion extreme pressure additive and preparing method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Add 80kg of water, 649.2kg of boric acid and 59kg of potassium hydroxide into the reactor, stir, heat up to 60°C, react for 60 minutes, add 5kg of poly-a-olefin base oil, stir, heat up to 150°C, dehydrate for 10 minutes, and then Raise the temperature to 190°C, carry out high-temperature polymerization for 60 minutes, cool down to 150°C, add 5kg of aluminum stearate, stir for 30 minutes, continue to cool down to 100°C, take out the kettle, grind on a three-roll mill, and disperse homogeneously to obtain a finished product.

Embodiment 2

[0058] Add 40kg of water, 37kg of boric acid and 67kg of potassium hydroxide into the reactor, stir, heat up to 95°C, react for 10 minutes, add 42kg of poly-a-olefin base oil, stir, heat up to 100°C, dehydrate for 90 minutes, and then heat up To 250°C, carry out high-temperature polymerization for 20 minutes, cool down to 190°C, add 8 kg of lithium stearate, stir for 30 minutes, continue to cool down to 120°C, take out the kettle, grind on a three-roll mill, homogeneously disperse, and obtain a finished product.

Embodiment 3

[0060] Add 40kg of water, 293.7kg of boric acid and 53.3kg of potassium hydroxide into the reactor, stir, heat up to 80°C, react for 40 minutes, add 19.9kg of poly-a-olefin base oil, stir, heat up to 115°C, and dehydrate for 60 minutes , then raise the temperature to 220°C, carry out high-temperature polymerization for 50 minutes, cool down to 175°C, add 0.1kg of sodium stearate, stir for 30 minutes, continue to cool down to 110°C, take out the kettle, grind on a three-roll mill, and disperse homogeneously. finished product.

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Abstract

The invention relates to a borate anti-abrasion extreme pressure additive, which comprises by weight percentage: 50-90% of polyborates, 5-50% of synthetized basic oil and 0.1-8% of dispersing agents. The polyborates are prepared by the following procedures: (1) leading potassium hydroxide and boracic acid to react for more than 10min at the temperature of 60-95 DEG C; (2) heating the reaction mixture obtained in step (1) to react for more than 10min at the temperature of 100-150 DEG C; (3) heating the reaction mixture obtained in step (2) to temperature of 190-250 DEG C to react for more than 20min, and cooling to obtain the polyborates. The using amount of the borate anti-abrasion extreme pressure additive in lubricating grease by weight percentage is 0.5-10%. A preparing process of the borate anti-abrasion extreme pressure additive is simple, and the borate anti-abrasion extreme pressure additive has excellent water-resisting performance and anti-abrasion extreme pressure performance.

Description

technical field [0001] The invention relates to the field of lubricating grease or lubricant additives, in particular, the invention relates to a borate anti-wear extreme pressure additive, a preparation method and a use method thereof. Background technique [0002] Borate is a kind of extreme pressure and anti-wear additive that attracted people's attention in the early 1980s. Many research results at home and abroad show that borate has its unique advantages as extreme pressure additive: good anti-wear, non-toxic, non-toxic Odor, no corrosion of metal, good high temperature resistance, good extreme pressure and wear resistance above 250°C, good compatibility with active additives containing sulfur, phosphorus, and chlorine, and the compound effect (synergy) is obvious. In addition, the action mechanism of borate extreme pressure additives is also different from other organic extreme pressure antiwear agents. It is not due to the reaction with metal to form a reaction film,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M163/00C10M125/26C10N30/06C10N30/04
Inventor 白传航李元正
Owner 杭州得润宝油脂股份有限公司
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