阅读说明：本技术 一种新型节能环保润滑油的制备方法 (Preparation method of novel energy-saving environment-friendly lubricating oil ) 是由 张友海 张彤 于 2020-11-20 设计创作，主要内容包括：本发明涉及润滑油制备技术领域,尤其为一种新型节能环保润滑油的制备方法,包括基础油、抗冻剂、抗氧剂、降凝剂、添加剂和纳米金属铜粉末,在制备时取基础油放置在反应釜中,加入添加剂,加热并搅拌,随后降低搅拌速度继续搅拌,得到润滑油初步混合物,继续向反应釜中依次添加抗冻剂、抗氧剂和降凝剂,在添加的过程中保持搅拌,在搅拌完成后,加入纳米金属铜粉末,利用超声波反应15min后,将装置冷却至室温,随后将润滑油取出,本发明中,提高了润滑油的挤压性和抗磨减磨性能,具有良好的润滑性和可生物降解性,同时不易产生有毒气体或者有害颗粒物,降低对环境造成严重的污染,具有环保的效益。(The invention relates to the technical field of lubricating oil preparation, in particular to a preparation method of novel energy-saving environment-friendly lubricating oil, which comprises base oil, an antifreeze agent, an antioxidant, a pour point depressant, an additive and nano-metal copper powder, wherein the base oil is placed in a reaction kettle during preparation, the additive is added, the heating and the stirring are carried out, then the stirring speed is reduced, the stirring is continued, a lubricating oil primary mixture is obtained, the antifreeze agent, the antioxidant and the pour point depressant are sequentially added into the reaction kettle, the stirring is kept during the adding process, the nano-metal copper powder is added after the stirring is finished, the device is cooled to the room temperature after the ultrasonic reaction is carried out for 15min, and then the lubricating oil is taken out. Has the benefit of environmental protection.)

1. A preparation method of novel energy-saving and environment-friendly lubricating oil is characterized by comprising the following steps: the anti-freezing agent comprises, by weight, 60-85 parts of base oil, 5-8 parts of anti-freezing agent, 7-10 parts of antioxidant, 3-7 parts of pour point depressant, 15-18 parts of additive and 2-4 parts of nano metal copper powder.

2. The preparation method of the novel energy-saving and environment-friendly lubricating oil as claimed in claim 1, characterized in that: the method comprises the following steps:

the method comprises the following steps: placing base oil in a reaction kettle, adding an additive, heating to 75-90 ℃, stirring at the speed of 700r/min for 20min, then reducing the stirring speed to 300r/min, and continuing stirring for 15min to obtain a lubricating oil primary mixture;

step two: continuously adding the antifreeze agent, the antioxidant and the pour point depressant into the reaction kettle in sequence, keeping the stirring speed at 200r/min in the adding process, heating to 100-120 ℃ after the adding is finished, and stirring at a high speed of 800r/min for 30 min;

step three: after stirring, adding nano metal copper powder, reacting for 15min by using ultrasonic waves, cooling the device to room temperature, and taking out the lubricating oil.

3. The preparation method of the novel energy-saving and environment-friendly lubricating oil as claimed in claim 1, characterized in that: the base oil is a mixture of castor oil and trimethylolpropane tristearate.

4. The preparation method of the novel energy-saving and environment-friendly lubricating oil as claimed in claim 1, characterized in that: the antifreeze is one or more of ethylene glycol and propylene glycol.

5. The preparation method of the novel energy-saving and environment-friendly lubricating oil as claimed in claim 1, characterized in that: the antioxidant is a phenol antioxidant and a phosphate antioxidant, and the phenol antioxidant is one or more of 2- (1-methylcyclohexyl) -4-6-dimethylphenol, 2-methyl-4, 6-dinonylphenol, p-cresol and dicyclopentadiene butylated reactant; the phosphate antioxidant is one or more of trinonyl phenyl phosphite, diisodecyl diphosphite of pentaerythritol diphosphite and pentaerythritol diphosphite antioxidant.

6. The preparation method of the novel energy-saving and environment-friendly lubricating oil as claimed in claim 1, characterized in that: the pour point depressant is one or more of alkyl naphthalene, polymethacrylate and poly-alpha-olefin.

7. The preparation method of the novel energy-saving and environment-friendly lubricating oil as claimed in claim 1, characterized in that: the additive is an organoboronate additive.

8. The preparation method of the novel energy-saving and environment-friendly lubricating oil as claimed in claim 7, characterized in that: the organic borate additive is prepared by putting triethylene glycol monomethyl ether and boric acid into a round-bottom flask, adding toluene as a water-carrying agent, simultaneously separating water generated in the reaction, promoting the forward progress of the esterification reaction, wherein the reaction temperature is 130 ℃, the reaction time is about 12 hours, when no water is generated in a water separator, the reaction is stopped, the water yield in the water separator is 800%, and residual toluene in the flask is removed by rotary evaporation at 90 ℃; putting the product after the rotary evaporation into another flask, controlling the reaction temperature at 140-160 ℃, the time at 30-40min, controlling the vacuum degree at 0.8-1.2Pa by using a vacuum pump, extracting unreacted raw material triethylene glycol monomethyl ether, finishing the purification when no bubble flow at a branch pipe is observed, cooling and filtering the reaction product, and putting the reaction product into a vacuum drying box for sealed storage, wherein the product is light yellow transparent liquid which is an organic borate additive.

Technical Field

The invention relates to the technical field of lubricating oil preparation, in particular to a preparation method of novel energy-saving and environment-friendly lubricating oil.

Background

The energy loss caused by friction accounts for one third to one half of the primary energy, and 80% of mechanical loss is caused by abrasion and corrosion, so that the resource is greatly wasted 12; in the last decades, a great deal of work has been done to reduce loss and energy consumption, and it has been found that a lubricating oil can form a boundary lubricating film on a metal contact surface, reduce direct contact of metals, reduce the degree of mechanical wear, and achieve a good lubricating effect, and plays a great role in industrial production and daily life, the lubricating oil mainly comprises a base oil and an additive, the base oil determines basic properties of the lubricating oil, such as viscosity, pour point, and flash point, while the additive can improve some performance deficiencies of the base oil, even endow the base oil with new performance, and is an important component of the lubricating oil, the conventional lubricating oil contains elements, such as sulfur, phosphorus, and chlorine, and the lubricating oil has excellent tribological properties, can improve the anti-wear and anti-friction effects of the base oil, but can cause severe corrosion to the metal surface after long-term use, the working efficiency and the service life of equipment are reduced, toxic gas or harmful particles are easily generated, the environment is seriously polluted, more attention is paid to environmental protection along with people, elements such as sulfur, phosphorus, chlorine and the like are not required in the lubricating oil, and the pollution to the environment is reduced, so that the preparation method of the novel energy-saving environment-friendly lubricating oil is provided.

Disclosure of Invention

The invention aims to provide a preparation method of novel energy-saving and environment-friendly lubricating oil, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the preparation method of the novel energy-saving environment-friendly lubricating oil comprises 60-85 parts by weight of base oil, 5-8 parts by weight of antifreeze agent, 7-10 parts by weight of antioxidant, 3-7 parts by weight of pour point depressant, 15-18 parts by weight of additive and 2-4 parts by weight of nano metal copper powder.

Preferably, the method comprises the following steps:

the method comprises the following steps: placing base oil in a reaction kettle, adding an additive, heating to 75-90 ℃, stirring at the speed of 700r/min for 20min, then reducing the stirring speed to 300r/min, and continuing stirring for 15min to obtain a lubricating oil primary mixture;

step two: continuously adding the antifreeze agent, the antioxidant and the pour point depressant into the reaction kettle in sequence, keeping the stirring speed at 200r/min in the adding process, heating to 100-120 ℃ after the adding is finished, and stirring at a high speed of 800r/min for 30 min;

step three: after stirring, adding nano metal copper powder, reacting for 15min by using ultrasonic waves, cooling the device to room temperature, and taking out the lubricating oil.

Preferably, the base oil is a mixture of castor oil and trimethylolpropane tristearate.

Preferably, the antifreeze is one or more of ethylene glycol and propylene glycol.

Preferably, the antioxidant is a phenol antioxidant and a phosphate antioxidant, and the phenol antioxidant is one or more of 2- (1-methylcyclohexyl) -4-6-dimethylphenol, 2-methyl-4, 6-dinonylphenol, p-cresol and dicyclopentadiene butylated reactant; the phosphate antioxidant is one or more of trinonyl phenyl phosphite, diisodecyl diphosphite of pentaerythritol diphosphite and pentaerythritol diphosphite antioxidant.

Preferably, the pour point depressant is one or more of alkyl naphthalene, polymethacrylate and poly-alpha-olefin.

Preferably, the additive is an organoboronate additive.

Preferably, the organic borate additive is prepared by putting triethylene glycol monomethyl ether and boric acid into a round-bottom flask, adding toluene as a water-carrying agent, simultaneously separating water generated in the reaction, promoting the forward progress of the esterification reaction, wherein the reaction temperature is 130 ℃, the reaction time is about 12 hours, stopping the reaction when no water is generated in a water separator, the water yield in the water separator is 800%, and removing the residual toluene in the flask by rotary evaporation at 90 ℃; putting the product after the rotary evaporation into another flask, controlling the reaction temperature at 140-160 ℃, the time at 30-40min, controlling the vacuum degree at 0.8-1.2Pa by using a vacuum pump, extracting unreacted raw material triethylene glycol monomethyl ether, finishing the purification when no bubble flow at a branch pipe is observed, cooling and filtering the reaction product, and putting the reaction product into a vacuum drying box for sealed storage, wherein the product is light yellow transparent liquid which is an organic borate additive.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, boric acid ester is used as a lubricating oil additive, boron element, oxygen and nitrogen form a B2O3 or BN boundary lubricating film on the metal surface in the friction process, so that the tribological property of base oil is improved, meanwhile, active elements are added into the additive, the extrusion property, the wear resistance and the wear reduction property of the lubricating oil are improved by beating, and the base oil is trimethylolpropane tristearate extracted from castor oil and rapeseed oil, so that the lubricating oil has good lubricity and biodegradability and has the advantages of resource regeneration and no toxicity.

Detailed Description

Example 1:

the invention provides a technical scheme that:

the preparation method of the novel energy-saving environment-friendly lubricating oil comprises 80 parts by weight of base oil, 7 parts by weight of antifreeze agent, 8 parts by weight of antioxidant, 4 parts by weight of pour point depressant, 16 parts by weight of additive and 2 parts by weight of nano metal copper powder.

The method comprises the following steps:

the method comprises the following steps: placing base oil in a reaction kettle, adding an additive, heating to 75 ℃, stirring at the speed of 700r/min for 20min, then reducing the stirring speed to 300r/min, and continuing stirring for 15min to obtain a lubricating oil primary mixture;

step two: continuously adding the antifreeze agent, the antioxidant and the pour point depressant into the reaction kettle in sequence, keeping the stirring speed at 200r/min in the adding process, heating to 100-120 ℃ after the adding is finished, and stirring at a high speed of 800r/min for 30 min;

step three: after stirring, adding nano metal copper powder, reacting for 15min by using ultrasonic waves, cooling the device to room temperature, and taking out the lubricating oil.

The base oil is a mixture of castor oil and trimethylolpropane tristearate.

The antifreeze agent is ethylene glycol and propylene glycol.

The antioxidant is a phenol antioxidant and a phosphate antioxidant, and the phenol antioxidant is 2- (1-methylcyclohexyl) -4-6-dimethylphenol and 2-methyl-4, 6-dinonylphenol; the phosphate antioxidant is trisnonylphenyl phosphite and diisodecyl diphosphite of pentaerythritol diphosphite.

The pour point depressant is alkyl naphthalene and polymethacrylate.

The additive is an organoboronate additive.

The organic borate additive is prepared by putting triethylene glycol monomethyl ether and boric acid into a round-bottom flask, adding toluene as a water-carrying agent, simultaneously separating water generated in the reaction, promoting the forward progress of the esterification reaction, wherein the reaction temperature is 130 ℃, the reaction time is about 12 hours, when no water is generated in a water separator, the reaction is stopped, the water yield in the water separator is 800%, and residual toluene in the flask is removed by rotary evaporation at 90 ℃; putting the product after rotary evaporation into another flask, controlling the reaction temperature at 140 ℃ for 30min, controlling the vacuum degree at 0.8Pa by using a vacuum pump, extracting unreacted raw material triethylene glycol monomethyl ether, finishing purification when no bubble flow at a branch pipe is observed, cooling and filtering the reaction product, and putting the reaction product into a vacuum drying oven for sealed storage, wherein the product is light yellow transparent liquid which is an organic borate additive.

Example 2:

the invention provides a technical scheme that:

the preparation method of the novel energy-saving environment-friendly lubricating oil comprises 70 parts by weight of base oil, 6 parts by weight of antifreeze agent, 7 parts by weight of antioxidant, 5 parts by weight of pour point depressant, 15 parts by weight of additive and 3 parts by weight of nano metal copper powder.

The method comprises the following steps:

the method comprises the following steps: placing base oil in a reaction kettle, adding an additive, heating to 80 ℃, stirring at the speed of 700r/min for 20min, then reducing the stirring speed to 300r/min, and continuing stirring for 15min to obtain a lubricating oil primary mixture;

step two: continuously adding an antifreeze agent, an antioxidant and a pour point depressant into the reaction kettle in sequence, keeping the stirring speed at 200r/min in the adding process, heating to 120 ℃ after the adding is finished, and stirring at a high speed of 800r/min for 30 min;

step three: after stirring, adding nano metal copper powder, reacting for 15min by using ultrasonic waves, cooling the device to room temperature, and taking out the lubricating oil.

The base oil is a mixture of castor oil and trimethylolpropane tristearate.

The antifreeze agent is ethylene glycol and propylene glycol.

The antioxidant is a phenol antioxidant and a phosphate antioxidant, and the phenol antioxidant is 2- (1-methylcyclohexyl) -4-6-dimethylphenol; the phosphate antioxidant is trisnonylphenyl phosphite and pentaerythritol diphosphite antioxidant.

The pour point depressant is alkyl naphthalene and poly alpha-olefin.

The additive is an organoboronate additive.

The organic borate additive is prepared by putting triethylene glycol monomethyl ether and boric acid into a round-bottom flask, adding toluene as a water-carrying agent, simultaneously separating water generated in the reaction, promoting the forward progress of the esterification reaction, wherein the reaction temperature is 130 ℃, the reaction time is about 12 hours, when no water is generated in a water separator, the reaction is stopped, the water yield in the water separator is 800%, and residual toluene in the flask is removed by rotary evaporation at 90 ℃; putting the product after rotary evaporation into another flask, controlling the reaction temperature at 160 ℃ for 40min, controlling the vacuum degree at 1.0Pa by using a vacuum pump, extracting unreacted raw material triethylene glycol monomethyl ether, finishing purification when no bubble flow at a branch pipe is observed, cooling and filtering the reaction product, putting the reaction product into a vacuum drying oven, and hermetically storing the reaction product, wherein the product is light yellow transparent liquid which is an organic borate additive.

Example 3:

the invention provides a technical scheme that:

the preparation method of the novel energy-saving environment-friendly lubricating oil comprises 85 parts by weight of base oil, 8 parts by weight of antifreeze agent, 10 parts by weight of antioxidant, 7 parts by weight of pour point depressant, 18 parts by weight of additive and 4 parts by weight of nano metal copper powder.

The method comprises the following steps:

the method comprises the following steps: placing base oil in a reaction kettle, adding an additive, heating to 90 ℃, stirring at the speed of 700r/min for 20min, then reducing the stirring speed to 300r/min, and continuing stirring for 15min to obtain a lubricating oil primary mixture;

step two: continuously adding an antifreeze agent, an antioxidant and a pour point depressant into the reaction kettle in sequence, keeping the stirring speed at 200r/min in the adding process, heating to 120 ℃ after the adding is finished, and stirring at a high speed of 800r/min for 30 min;

step three: after stirring, adding nano metal copper powder, reacting for 15min by using ultrasonic waves, cooling the device to room temperature, and taking out the lubricating oil.

The base oil is a mixture of castor oil and trimethylolpropane tristearate.

The antifreeze agent is ethylene glycol and propylene glycol.

The antioxidant is a phenol antioxidant and a phosphate antioxidant, and the phenol antioxidant is a 2-methyl-4, 6-dinonylphenol, p-cresol and dicyclopentadiene butylated reactant; the phosphate antioxidant is antioxidant of pentaerythritol diphosphite, diisodecyl diphosphite and pentaerythritol diphosphite.

The pour point depressant is alkyl naphthalene, polymethacrylate and poly-alpha-olefin.

The additive is an organoboronate additive.

The organic borate additive is prepared by putting triethylene glycol monomethyl ether and boric acid into a round-bottom flask, adding toluene as a water-carrying agent, simultaneously separating water generated in the reaction, promoting the forward progress of the esterification reaction, wherein the reaction temperature is 130 ℃, the reaction time is about 12 hours, when no water is generated in a water separator, the reaction is stopped, the water yield in the water separator is 800%, and residual toluene in the flask is removed by rotary evaporation at 90 ℃; putting the product after rotary evaporation into another flask, controlling the reaction temperature at 160 ℃ for 40min, controlling the vacuum degree at 1.2Pa by using a vacuum pump, pumping out unreacted raw material triethylene glycol monomethyl ether, finishing purification when no bubble flow at a branch pipe is observed, cooling and filtering the reaction product, and putting the reaction product into a vacuum drying oven for sealed storage, wherein the product is light yellow transparent liquid which is an organic borate additive.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.