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Fullerene, boron and nitrogen containing lubricant and preparation method thereof

A fullerene boron nitrogen lubricant, fullerene technology, applied in lubricating compositions, additives, petroleum industry and other directions, can solve problems such as use restrictions, and achieve good lubricity and significant fuel-saving effects.

Active Publication Date: 2015-11-18
王严绪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] If fullerene is used in lubricating oil, it will greatly improve the anti-wear and anti-friction characteristics of lubricating oil, and effectively protect the engine, but because fullerene is a solid, its use in lubricating oil is limited

Method used

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preparation example Construction

[0016] The preparation method of the fullerene boron nitrogen lubricant of the present invention is based on the reaction of fullerene C60 with concentrated sulfuric acid and concentrated hydrochloric acid, then adding tall oil acid, and adopting the method of adjusting the pH value to obtain polar modified fullerene , then react with methyl laurate, nitrogen-containing borate, take two-step partial pressure decompression method, obtain fullerene boron nitrogen lubricant, comprising the following steps:

[0017] 1) Synthesis of polar modified fullerenes

[0018] Put fullerene C60, concentrated sulfuric acid, and concentrated hydrochloric acid in a container, and react under vacuum at 90°C to 100°C for 2 to 3 hours, then ultrasonically wash with water and amine, adjust the pH to 7, add tall oleic acid, Continue to react at a temperature of 200-220°C for 3-4 hours, then vacuum filter to obtain a precipitate, wash with alcohol and ultrasonic water to neutrality, and obtain a brow...

Embodiment 1

[0034] 1. Synthesis of polar modified fullerenes

[0035] Put fullerene C60, concentrated sulfuric acid, and concentrated hydrochloric acid in a container, and react at 100°C under vacuum (pressure = 0.095MPa) for 2 hours, then ultrasonically wash with water and amine, adjust the pH to 7, and add tall oleic acid. Continue to react at a temperature of 200°C for 3 hours, then vacuum filter to obtain a paste mixture, wash with alcohol and ultrasonic water until neutral, and obtain a brown paste which is polar-modified fullerene;

[0036] Fullerene C60: Concentrated sulfuric acid: Concentrated hydrochloric acid: Tall oil = 1:5:5:22 (weight ratio).

[0037] 2. Synthesis of fullerene boron nitrogen lubricant

[0038] Mix 5 grams of the polar-modified fullerene prepared above with 10 grams of methyl laurate, stir evenly, and react for 4 hours at a temperature of 100°C and a pressure of 0.1MPa; cool to 40°C, and add nitrogen-containing borate 100 grams, increase the temperature to 2...

Embodiment 2

[0041] 1. Synthesis of polar modified fullerenes

[0042] Put fullerene C60, concentrated sulfuric acid and concentrated hydrochloric acid in a container, react at 90°C under vacuum (pressure = 0.095MPa) for 3 hours, then wash with ultrasonic water and amine, adjust the pH to 7, and add tall oleic acid , continue to react at a temperature of 220° C. for 4 hours, then vacuum filter to obtain a paste mixture, wash with alcohol and ultrasonic water to neutrality, and obtain a brown paste which is polar modified fullerene;

[0043] Fullerene C60: Concentrated sulfuric acid: Concentrated hydrochloric acid: Tall oil = 1:7:7:25 (weight ratio).

[0044] 2. Synthesis of fullerene boron nitrogen lubricant

[0045]Mix 10 grams of the polar-modified fullerene prepared above with 15 grams of methyl laurate, stir evenly, and react for 5 hours at a temperature of 120°C and a pressure of 0.1MPa; cool to 50°C, and add nitrogen-containing borate 250 grams, increase the temperature to 210°C, c...

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Abstract

The invention discloses a fullerene, boron and nitrogen containing lubricant and a preparation method thereof. An additive is prepared from polar modified fullerene C60, methyl laurate and nitrogen-containing borate, wherein a weight ratio of polar modified fullerene C60 to methyl laurate to nitrogen-containing borate is 1: (2-3): (20-25). The polar modified fullerene C60 is prepared from fullerene C60, concentrated sulfuric acid, concentrated hydrochloric acid and tall oil acid through reaction. The additive is the fullerene, boron and nitrogen containing lubricant, serves as a friction modifier, an anti-wear agent and an antioxidant of lubricating oil especially lubricating oil for an internal combustion engine, has remarkable friction reduction and oil saving effects, and further has the advantages of energy saving and environment protection due to absence of sulfur, phosphorus and chlorine; a production method is simple, the cost is low, oil solubility is good, and the yield is high.

Description

technical field [0001] The invention relates to a fullerene boron nitrogen lubricant and a preparation method thereof, in particular to an oil-soluble fullerene boron nitrogen lubricant compound and a preparation method thereof. Background technique [0002] Due to its unique structural characteristics, fullerene C60 has become a research hotspot in many disciplines and related application fields such as physics, chemistry, materials science and life science in recent years. It is a quasi-spherical particle composed of concentric closed shells, and its interlayer spacing is 0.349nm, which is close to that of graphite at 0.336nm. It is a lubricant with excellent performance. [0003] If fullerene is used in lubricating oil, it will greatly improve the anti-wear and anti-friction properties of lubricating oil and effectively protect the engine. However, because fullerene is a solid, its use in lubricating oil is limited. [0004] Nitrogen-containing borate is the most high-en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M141/12C10M139/00C10M125/02C10N30/06C10N30/10C10N30/04C10N40/25
Inventor 王严绪程建英
Owner 王严绪
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