阅读说明：本技术 一种石墨烯润滑油 (Graphene lubricating oil ) 是由 闫若飞 于 2019-07-15 设计创作，主要内容包括：本发明公开了一种石墨烯润滑油,按重量份计其组分为,基础油90～100份、油溶性石墨烯2～3份、有机胺防腐剂1～2份、氨基硫代酯2～3份、分散剂1～2份、金属抗磨剂5～8份、抗氧化剂3～4份、锈蚀抑制剂3～4份。与现有技术相比,本发明的优点在于,能在缸壁与活塞之间进行摩擦时产生保护效果,在二者间形成一种石墨烯保护膜,大大提高了燃烧室的密封性,有效降低了有害气体的排放量。真正地用科技的力量将低碳、环保、绿色出行付诸行动。润滑油中的石墨烯可使其摩擦表面热点温度大幅下降,可为发动提供长期有效的保护,尤其在冷启动时,由于机油长时间静置后沉底,无法在短时时间内形成油膜,能够有效降低活塞环与气缸的磨损。(The invention discloses graphene lubricating oil which comprises, by weight, 90-100 parts of base oil, 2-3 parts of oil-soluble graphene, 1-2 parts of an organic amine preservative, 2-3 parts of aminothioester, 1-2 parts of a dispersant, 5-8 parts of a metal anti-wear agent, 3-4 parts of an antioxidant and 3-4 parts of a corrosion inhibitor. Compared with the prior art, the invention has the advantages that the protection effect can be generated when the cylinder wall and the piston are rubbed, and the graphene protection film is formed between the cylinder wall and the piston, so that the sealing property of the combustion chamber is greatly improved, and the discharge amount of harmful gas is effectively reduced. Really uses the scientific and technological force to bring low-carbon, environment-friendly and green trips into action. The graphene in the lubricating oil can greatly reduce the temperature of a hot spot on the friction surface of the lubricating oil, can provide long-term effective protection for starting, and can effectively reduce the abrasion between a piston ring and a cylinder because engine oil sinks after standing for a long time and cannot form an oil film in a short time particularly in cold starting.)

1. A graphene lubricating oil is characterized in that: the corrosion inhibitor comprises, by weight, 90-100 parts of base oil, 2-3 parts of oil-soluble graphene, 1-2 parts of an organic amine preservative, 2-3 parts of aminothioester, 1-2 parts of a dispersant, 5-8 parts of a metal anti-wear agent, 3-4 parts of an antioxidant and 3-4 parts of a corrosion inhibitor.

2. The graphene lubricating oil according to claim 1, wherein: the organic amine preservative is one or a mixture of more of morpholine, monoethanolamine and cyclohexylamine.

3. The graphene lubricating oil according to claim 1, wherein: the dispersant is polyisobutylene succinate.

4. The graphene lubricating oil according to claim 1, wherein: the metal antiwear agent is a mixture of at least two of metal particles of tungsten, molybdenum, chromium, vanadium, titanium, aluminum and cerium.

5. The graphene lubricating oil according to claim 1, wherein: the antioxidant ZDDP or an aromatic amine.

6. The graphene lubricating oil according to claim 1, wherein: the corrosion inhibitor is super-alkaline calcium sulfonate.

7. The graphene lubricating oil according to claim 1, wherein: the corrosion inhibitor comprises, by weight, 90 parts of base oil, 2 parts of oil-soluble graphene, 2 parts of an organic amine preservative, 3 parts of aminothioester, 2 parts of a dispersant, 6 parts of a metal anti-wear agent, 4 parts of an antioxidant and 3 parts of a corrosion inhibitor.

8. The graphene lubricating oil according to claim 1, wherein: the corrosion inhibitor comprises, by weight, 100 parts of base oil, 3 parts of oil-soluble graphene, 2 parts of an organic amine preservative, 2 parts of aminothioester, 2 parts of a dispersant, 5 parts of a metal anti-wear agent, 3 parts of an antioxidant and 3 parts of a corrosion inhibitor.

9. The graphene lubricating oil according to claim 1, wherein: the corrosion inhibitor comprises, by weight, 94 parts of base oil, 3 parts of oil-soluble graphene, 2 parts of an organic amine preservative, 2 parts of aminothioester, 2 parts of a dispersant, 6 parts of a metal anti-wear agent, 3 parts of an antioxidant and 4 parts of a corrosion inhibitor.

Technical Field

The invention relates to the field of lubricating oil, and particularly relates to graphene lubricating oil.

Background

Graphene is a nanoscale ultrathin two-dimensional material processed in a chemical and physical mode, and the graphene is of a carbon structure, so that the graphene is very good in chemical stability and very excellent in antifriction effect. The lubricating oil that has added graphite alkene can effectively restore cylinder surface mar, reduce engine vibration noise, reduce the machine oil loss, reduce harmful gas and discharge, and energy-concerving and environment-protective, stable in structure, the leakproofness is good, can promote cylinder pressure, and graphite alkene protection film reduces parts surface wear, and cold car starting ability is quick, lubricated fuel, effectively reduce engine fault rate, increase of service life fast, fast. When an automobile is in cold start, because engine oil sinks after standing for a long time, an oil film cannot be formed in the short time, and after the graphene film is plated, the abrasion between a piston ring and a cylinder can be effectively reduced.

The problem is solved to some extent by an oil-soluble graphene compound with the structural formula of Γ (CONHCH) (CHCOOCH) or Γ (CONHCH) [ Si (OCH) CH ], which is disclosed in patent No. CN201710508771.5, but the problem still occurs that the automobile sinks after standing at cold start, the initial formation effect of the graphene film structure is poor at cold start, and the graphene protective film cannot be formed in a short time.

Disclosure of Invention

The invention aims to provide the graphene lubricating oil which solves the problems, can quickly form a graphene film and protect a cylinder wall and a piston when an automobile is in cold start.

In order to achieve the purpose, the invention adopts the technical scheme that: the graphene lubricating oil comprises, by weight, 90-100 parts of base oil, 2-3 parts of oil-soluble graphene, 1-2 parts of an organic amine preservative, 2-3 parts of aminothioester, 1-2 parts of a dispersant, 5-8 parts of a metal anti-wear agent, 3-4 parts of an antioxidant and 3-4 parts of a corrosion inhibitor.

Preferably, the organic amine preservative is one or a mixture of more of morpholine, monoethanolamine and cyclohexylamine, and the preservative effect is good.

Preferably, the dispersant is polyisobutylene succinate. The graphene protective film has strong dispersibility in base oil, is beneficial to reducing the deposition of oil-soluble graphene and nano metal particles, improves the homogeneity, can ensure that the oil-soluble graphene and the nano metal particles are uniformly distributed in the base oil, and can quickly form a graphene protective film during cold start.

Preferably, the metal antiwear agent is a nano metal particle which is a mixture of at least two of metal particles of tungsten, molybdenum, chromium, vanadium, titanium, aluminum and cerium. In heavy load and high temperature conditions and during cold start, sliding friction is formed, abrasion is reduced, and the abrasion resistance of lubricating oil is improved. And the graphene is distributed around the oil-soluble graphene, so that gaps among the graphene are filled, the graphene is prevented from being abraded before the graphene film is formed in the cold start process of the automobile, the graphene is driven to flow by the flow of the graphene, the formation of the graphene film is accelerated, and the graphene film layer is formed under the combined action of the graphene and the graphene.

The nano metal particles replace the traditional additives of elements such as sulfur, phosphorus and the like, solve the problems of corrosion and environment of friction pairs, adopt the nano level, are uniformly dispersed in the base oil, can be filled on the friction surface and play a role in repairing.

Preferably, the antioxidant, ZDDP or an aromatic amine, acts as an antioxidant.

Preferably, the rust inhibitor is super-basic calcium sulfonate.

The preferable mixture ratio is as follows: the corrosion inhibitor comprises, by weight, 90 parts of base oil, 2 parts of oil-soluble graphene, 2 parts of an organic amine preservative, 3 parts of aminothioester, 2 parts of a dispersant, 6 parts of a metal anti-wear agent, 4 parts of an antioxidant and 3 parts of a corrosion inhibitor.

The preferable mixture ratio is as follows: the corrosion inhibitor comprises, by weight, 100 parts of base oil, 3 parts of oil-soluble graphene, 2 parts of an organic amine preservative, 2 parts of aminothioester, 2 parts of a dispersant, 5 parts of a metal anti-wear agent, 3 parts of an antioxidant and 3 parts of a corrosion inhibitor.

The preferable mixture ratio is as follows: the corrosion inhibitor comprises, by weight, 94 parts of base oil, 3 parts of oil-soluble graphene, 2 parts of an organic amine preservative, 2 parts of aminothioester, 2 parts of a dispersant, 6 parts of a metal anti-wear agent, 3 parts of an antioxidant and 4 parts of a corrosion inhibitor.

Compared with the prior art, the invention has the advantages that:

1. Intelligent repair

The protective effect can be generated when friction is carried out between the cylinder wall and the piston, a graphene protective film is formed between the cylinder wall and the piston, high-speed operation is really achieved, overall lubrication is achieved, and damage is low.

2. Energy conservation and emission reduction

The nano graphene film is plated between the cylinder and the piston ring, so that the generated graphene protective film greatly improves the sealing property of the combustion chamber and effectively reduces the discharge amount of harmful gases. Really uses the scientific and technological force to bring low-carbon, environment-friendly and green trips into action.

3. High temperature resistance

The graphene has extremely high heat conductivity coefficient, and the engine runs at high temperature for a long time. The graphene in the lubricating oil can greatly reduce the temperature of a hot spot on the friction surface of the lubricating oil. The excellent heat-conducting property of the graphene lubricating oil can effectively reduce the temperature of an engine and prolong the service life of a vehicle.

4. full time protection and wear reduction

The addition of graphene in the lubricating oil is equivalent to plating a protective film between the cylinder and the piston ring, so that long-term effective protection can be provided for starting, particularly in cold starting, because engine oil sinks after standing for a long time, an oil film cannot be formed in a short time, and after the graphene film is plated, the abrasion between the piston ring and the cylinder can be effectively reduced.

Detailed Description

The present invention will be further explained below.

According to the invention, the film lubrication is realized by combining the graphene and the nano metal particles, when only the basic lubricating oil is available, the friction mechanism is in a critical state because the friction pair is in point contact and the load is high, the graphene continuously covers the surface of the friction pair with the addition of the graphene and the nano metal particles, the surface roughness of the graphene is replaced by the repair of the graphene and the nano metal particles, the film lubrication is gradually formed, and the mechanical property of the lubricating oil is improved. When the number of graphene and nano metal particles is increased continuously, the surface pairs are accumulated, and the friction performance is reduced, so that the proportion is very important.