CN114276860A - Graphene engine oil capable of improving thermal conductivity and adsorbability and preparation method thereof - Google Patents
Graphene engine oil capable of improving thermal conductivity and adsorbability and preparation method thereof Download PDFInfo
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Abstract
The invention discloses graphene engine oil for improving heat conductivity and adsorbability and a preparation method thereof, and the formula comprises the following components: graphene, HSD, borate, metal powder microspheres, benzotriazole, di-n-butyl phosphite and the balance of lubricating oil base oil, wherein the mass percentages of the components are as follows: 0.05-0.1% of graphene, 0.8-1% of HSD, 10-14% of borate, 0.03-0.05% of metal powder microspheres, 0.01-0.04% of benzotriazole, 0.01-0.02% of di-n-butyl phosphite and the balance of lubricating oil base oil; according to the invention, a certain amount of graphene is added into the engine oil, and the thermal conductivity and the adsorbability of the graphene are utilized, so that the thermal conductivity and the adsorbability of the graphene engine oil are improved.
Description
Technical Field
The invention relates to the technical field of engine oil, in particular to graphene engine oil capable of improving heat conductivity and adsorbability and a preparation method thereof.
Background
The engine oil is used for lubrication of internal combustion engines. The main functions of the engine oil are to reduce friction and wear of moving parts and to remove sludge (one of the functions of dispersants) and paint (detergent) from the engine. It also neutralizes the acid (detergent) generated by the oxidation of fuel and lubricant, improves the sealing performance of piston ring, and cools the engine by taking away heat from moving parts, but the existing engine oil has many kinds, and the thermal conductivity and adsorptivity of the engine oil are not good, and can not meet the existing requirement of the engine oil, so it is necessary to design a graphene engine oil with improved thermal conductivity and adsorptivity and a preparation method thereof.
Disclosure of Invention
The invention aims to provide graphene engine oil with improved thermal conductivity and adsorbability and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a graphene engine oil with improved thermal conductivity and adsorptivity comprises the following formula: graphene, HSD, borate, metal powder microspheres, benzotriazole, di-n-butyl phosphite and the balance of lubricating oil base oil, wherein the mass percentages of the components are as follows: 0.05-0.1% of graphene, 0.8-1% of HSD, 10-14% of borate, 0.03-0.05% of metal powder microspheres, 0.01-0.04% of benzotriazole, 0.01-0.02% of di-n-butyl phosphite and the balance of lubricating oil base oil.
Preferably, the diameter of the graphene is 1-5um, the thickness is 1-10nm, and the specific surface area is 500-1000m2/g。
Preferably, the metal powder microspheres are prepared by mixing chromium powder microspheres, iron oxide microspheres and molybdenum powder microspheres according to the weight ratio of 1: 1, and the particle size of the used microspheres is 20-40 nm.
A preparation method of graphene engine oil with improved thermal conductivity and adsorbability comprises the following steps: selecting materials; step two, heating and stirring; step three, mixing; step four, obtaining a semi-finished product; step five, filling;
in the first step, firstly, 0.05-0.1% of graphene, 0.8-1% of HSD, 10-14% of boric acid ester, 0.03-0.05% of metal powder microspheres, 0.01-0.04% of benzotriazole, 0.01-0.02% of di-n-butyl phosphite and the balance of lubricating oil base oil are respectively selected according to the mass percentage of the components for later use, and the selected materials are all qualified products;
in the second step, the borate selected in the first step is firstly heated, then the borate and the lubricating oil base oil obtained after heating are firstly placed in a stirrer, and then the mixture is stirred and dispersed for 25-30min at the stirring temperature of 50-60 ℃ to obtain dispersed base oil, wherein the stirring speed is 3000 r/min;
in the third step, HSD selected in the first step is added into the dispersed base oil in the second step for electromagnetic stirring for 30min, and heating can be stopped after the electromagnetic stirring is finished;
in the fourth step, the mixture obtained in the third step is added with the graphene, the metal powder microspheres, the benzotriazole and the di-n-butyl phosphite selected in the first step, and then stirred to obtain a semi-finished product;
and in the fifth step, the semi-finished product obtained in the fourth step is placed in a dry room and stands for 10-20min, then the semi-finished product is filled to obtain a finished product, and meanwhile, the humidity in the dry room is 20-30%.
Preferably, in the second step, the heating temperature is 50-60 ℃, and the heating time is 10-15 min.
Preferably, in the third step, the stirring speed is 3000r/min, and in the stirring process, the dispersed base oil needs to be continuously heated to obtain a mixture, and the heating temperature is 40-50 ℃.
Preferably, in the fourth step, the stirring is performed for 30min by using a paint dispersing machine, and the stirring speed is 3500 r/min.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, a certain amount of graphene is added into the engine oil, and the thermal conductivity and the adsorbability of the graphene are utilized, so that the thermal conductivity and the adsorbability of the graphene engine oil are improved, meanwhile, a certain amount of nano metal powder is added in the preparation process, and the added nano metal powder is utilized, so that the nano metal powder is favorably attached to a mechanical structure, the lubricating effect is improved, the friction between machines is reduced, the practicability of the engine oil is improved, in the preparation process, the contact between boric acid ester and water is fully reduced through a heating mode or a mode of limiting the environmental humidity, the probability of decomposition of the boric acid ester in water is further reduced, and the quality of the engine oil is improved.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention:
example 1:
a graphene engine oil with improved thermal conductivity and adsorptivity comprises the following formula: graphene, HSD, borate, metal powder microspheres, benzotriazole, di-n-butyl phosphite and the balance of lubricating oil base oil, wherein the mass percentages of the components are as follows: 0.05% of graphene, 0.8% of HSD, 10% of borate, 0.03% of metal powder microspheres, 0.01% of benzotriazole, 0.01% of di-n-butyl phosphite and the balance of lubricating oil base oil; wherein the diameter of the graphene is 1-5um, the thickness is 1-10nm, and the specific surface area is 500-1000m2(ii)/g; the metal powder microspheres are prepared by mixing chromium powder microspheres, iron oxide microspheres and molybdenum powder microspheres according to the weight ratio of 1: 1, and the particle size of the used microspheres is 20-40 nm.
A preparation method of graphene engine oil with improved thermal conductivity and adsorbability comprises the following steps: selecting materials; step two, heating and stirring; step three, mixing; step four, obtaining a semi-finished product; step five, filling;
in the first step, firstly, 0.05% of graphene, 0.8% of HSD, 10% of borate, 0.03% of metal powder microspheres, 0.01% of benzotriazole, 0.01% of di-n-butyl phosphite and the balance of lubricating oil base oil are respectively selected according to the mass percentage of the components for standby, and the selected materials are all qualified products;
in the second step, the borate selected in the first step is firstly heated at 50-60 ℃ for 10-15min, then the borate and the lubricating oil base oil obtained after heating are firstly placed in a stirrer, and then the borate and the lubricating oil base oil are stirred and dispersed for 25-30min at the stirring temperature of 50-60 ℃ to obtain dispersed base oil, wherein the stirring speed is 3000 r/min;
in the third step, HSD selected in the first step is added into the dispersed base oil in the second step to be electromagnetically stirred for 30min, the stirring speed is 3000r/min, meanwhile, in the stirring process, the dispersed base oil needs to be continuously heated to obtain a mixture, the heating temperature is 40-50 ℃, and after the electromagnetic stirring is finished, the heating can be stopped;
adding the graphene, the metal powder microspheres, the benzotriazole and the di-n-butyl phosphite selected in the step one into the mixture obtained in the step three, stirring to obtain a semi-finished product, and stirring for 30min by using a paint dispersing machine, wherein the stirring speed is 3500 r/min;
and in the fifth step, the semi-finished product obtained in the fourth step is placed in a dry room and stands for 10-20min, then the semi-finished product is filled to obtain a finished product, and meanwhile, the humidity in the dry room is 20-30%.
Example 2:
a graphene engine oil with improved thermal conductivity and adsorptivity comprises the following formula: graphene, HSD, borate and metal powder microspheresBenzotriazole, di-n-butyl phosphite and the balance of lubricating oil base oil, wherein the mass percentages of the components are as follows: 0.1% of graphene, 1% of HSD, 14% of borate, 0.05% of metal powder microspheres, 0.04% of benzotriazole, 0.02% of di-n-butyl phosphite and the balance of lubricating oil base oil; wherein the diameter of the graphene is 1-5um, the thickness is 1-10nm, and the specific surface area is 500-1000m2(ii)/g; the metal powder microspheres are prepared by mixing chromium powder microspheres, iron oxide microspheres and molybdenum powder microspheres according to the weight ratio of 1: 1, and the particle size of the used microspheres is 20-40 nm.
A preparation method of graphene engine oil with improved thermal conductivity and adsorbability comprises the following steps: selecting materials; step two, heating and stirring; step three, mixing; step four, obtaining a semi-finished product; step five, filling;
in the first step, firstly, 0.1% of graphene, 1% of HSD, 14% of borate, 0.05% of metal powder microspheres, 0.04% of benzotriazole, 0.02% of di-n-butyl phosphite and the balance of lubricating oil base oil are respectively selected according to the mass percentage of each component for standby, and the selected materials are all qualified products;
in the second step, the borate selected in the first step is firstly heated at 50-60 ℃ for 10-15min, then the borate and the lubricating oil base oil obtained after heating are firstly placed in a stirrer, and then the borate and the lubricating oil base oil are stirred and dispersed for 25-30min at the stirring temperature of 50-60 ℃ to obtain dispersed base oil, wherein the stirring speed is 3000 r/min;
in the third step, HSD selected in the first step is added into the dispersed base oil in the second step to be electromagnetically stirred for 30min, the stirring speed is 3000r/min, meanwhile, in the stirring process, the dispersed base oil needs to be continuously heated to obtain a mixture, the heating temperature is 40-50 ℃, and after the electromagnetic stirring is finished, the heating can be stopped;
adding the graphene, the metal powder microspheres, the benzotriazole and the di-n-butyl phosphite selected in the step one into the mixture obtained in the step three, stirring to obtain a semi-finished product, and stirring for 30min by using a paint dispersing machine, wherein the stirring speed is 3500 r/min;
and in the fifth step, the semi-finished product obtained in the fourth step is placed in a dry room and stands for 10-20min, then the semi-finished product is filled to obtain a finished product, and meanwhile, the humidity in the dry room is 20-30%.
Example 3:
a graphene engine oil with improved thermal conductivity and adsorptivity comprises the following formula: graphene, HSD, borate, metal powder microspheres, benzotriazole, di-n-butyl phosphite and the balance of lubricating oil base oil, wherein the mass percentages of the components are as follows: 0.05% of graphene, 1% of HSD, 14% of borate, 0.03% of metal powder microspheres, 0.01% of benzotriazole, 0.02% of di-n-butyl phosphite and the balance of lubricating oil base oil; wherein the diameter of the graphene is 1-5um, the thickness is 1-10nm, and the specific surface area is 500-1000m2(ii)/g; the metal powder microspheres are prepared by mixing chromium powder microspheres, iron oxide microspheres and molybdenum powder microspheres according to the weight ratio of 1: 1, and the particle size of the used microspheres is 20-40 nm.
A preparation method of graphene engine oil with improved thermal conductivity and adsorbability comprises the following steps: selecting materials; step two, heating and stirring; step three, mixing; step four, obtaining a semi-finished product; step five, filling;
in the first step, firstly, 0.05% of graphene, 1% of HSD, 14% of borate, 0.03% of metal powder microspheres, 0.01% of benzotriazole, 0.02% of di-n-butyl phosphite and the balance of lubricating oil base oil are respectively selected according to the mass percentage of each component for standby, and the selected materials are all qualified products;
in the second step, the borate selected in the first step is firstly heated at 50-60 ℃ for 10-15min, then the borate and the lubricating oil base oil obtained after heating are firstly placed in a stirrer, and then the borate and the lubricating oil base oil are stirred and dispersed for 25-30min at the stirring temperature of 50-60 ℃ to obtain dispersed base oil, wherein the stirring speed is 3000 r/min;
in the third step, HSD selected in the first step is added into the dispersed base oil in the second step to be electromagnetically stirred for 30min, the stirring speed is 3000r/min, meanwhile, in the stirring process, the dispersed base oil needs to be continuously heated to obtain a mixture, the heating temperature is 40-50 ℃, and after the electromagnetic stirring is finished, the heating can be stopped;
adding the graphene, the metal powder microspheres, the benzotriazole and the di-n-butyl phosphite selected in the step one into the mixture obtained in the step three, stirring to obtain a semi-finished product, and stirring for 30min by using a paint dispersing machine, wherein the stirring speed is 3500 r/min;
and in the fifth step, the semi-finished product obtained in the fourth step is placed in a dry room and stands for 10-20min, then the semi-finished product is filled to obtain a finished product, and meanwhile, the humidity in the dry room is 20-30%.
Example 4:
a graphene engine oil with improved thermal conductivity and adsorptivity comprises the following formula: graphene, HSD, borate, metal powder microspheres, benzotriazole, di-n-butyl phosphite and the balance of lubricating oil base oil, wherein the mass percentages of the components are as follows: 0.08% of graphene, 0.9% of HSD, 13% of borate, 0.04% of metal powder microspheres, 0.03% of benzotriazole, 0.01% of di-n-butyl phosphite and the balance of lubricating oil base oil; wherein the diameter of the graphene is 1-5um, the thickness is 1-10nm, and the specific surface area is 500-1000m2(ii)/g; the metal powder microspheres are prepared by mixing chromium powder microspheres, iron oxide microspheres and molybdenum powder microspheres according to the weight ratio of 1: 1, and the particle size of the used microspheres is 20-40 nm.
A preparation method of graphene engine oil with improved thermal conductivity and adsorbability comprises the following steps: selecting materials; step two, heating and stirring; step three, mixing; step four, obtaining a semi-finished product; step five, filling;
in the first step, firstly, 0.08% of graphene, 0.9% of HSD, 13% of borate, 0.04% of metal powder microspheres, 0.03% of benzotriazole, 0.01% of di-n-butyl phosphite and the balance of lubricating oil base oil are respectively selected according to the mass percentage of the components for later use, and the selected materials are all qualified products;
in the second step, the borate selected in the first step is firstly heated at 50-60 ℃ for 10-15min, then the borate and the lubricating oil base oil obtained after heating are firstly placed in a stirrer, and then the borate and the lubricating oil base oil are stirred and dispersed for 25-30min at the stirring temperature of 50-60 ℃ to obtain dispersed base oil, wherein the stirring speed is 3000 r/min;
in the third step, HSD selected in the first step is added into the dispersed base oil in the second step to be electromagnetically stirred for 30min, the stirring speed is 3000r/min, meanwhile, in the stirring process, the dispersed base oil needs to be continuously heated to obtain a mixture, the heating temperature is 40-50 ℃, and after the electromagnetic stirring is finished, the heating can be stopped;
adding the graphene, the metal powder microspheres, the benzotriazole and the di-n-butyl phosphite selected in the step one into the mixture obtained in the step three, stirring to obtain a semi-finished product, and stirring for 30min by using a paint dispersing machine, wherein the stirring speed is 3500 r/min;
and in the fifth step, the semi-finished product obtained in the fourth step is placed in a dry room and stands for 10-20min, then the semi-finished product is filled to obtain a finished product, and meanwhile, the humidity in the dry room is 20-30%.
The products obtained in the above examples were used by 100 users, and then the evaluation of the users was counted, and the results are shown in the following table:
| the product has good properties | The product has good properties | |
| Example 1 | 99％ | 1％ |
| Example 2 | 98％ | 2％ |
| Example 3 | 99％ | 1％ |
| Example 4 | 99％ | 1％ |
Based on the above, the invention has the advantages that in the preparation process, a certain amount of graphene is added in the formula, the thermal conductivity and the adsorbability of the engine oil are improved by utilizing the thermal conductivity and the adsorbability of the graphene, in addition, in the preparation process, the contact between the borate and the water is reduced by a heating mode and a current air humidity mode, the hydrolysis condition reaction of the borate is reduced, the quality of the engine oil is ensured, meanwhile, a certain amount of nano metal powder is added in the formula, and the nano metal powder is favorably attached to a mechanical structure by utilizing the addition of the nano metal powder, so that the lubricating effect is improved, the friction between machines is reduced, and the practicability of the engine oil is improved,
it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A graphene engine oil with improved thermal conductivity and adsorptivity comprises the following formula: graphene, HSD, borate, metal powder microspheres, benzotriazole, di-n-butyl phosphite and the balance of lubricating oil base oil, and is characterized in that: the weight percentages of the components are respectively as follows: 0.05-0.1% of graphene, 0.8-1% of HSD, 10-14% of borate, 0.03-0.05% of metal powder microspheres, 0.01-0.04% of benzotriazole, 0.01-0.02% of di-n-butyl phosphite and the balance of lubricating oil base oil.
2. The graphene engine oil with improved thermal conductivity and adsorptivity according to claim 1, wherein: the diameter of the graphene is 1-5um, the thickness is 1-10nm, and the specific surface area is 500-1000m2/g。
3. The graphene engine oil with improved thermal conductivity and adsorptivity according to claim 1, wherein: the metal powder microspheres are prepared by mixing chromium powder microspheres, iron oxide microspheres and molybdenum powder microspheres according to the weight ratio of 1: 1, and the particle size of the used microspheres is 20-40 nm.
4. A preparation method of graphene engine oil with improved thermal conductivity and adsorbability comprises the following steps: selecting materials; step two, heating and stirring; step three, mixing; step four, obtaining a semi-finished product; step five, filling; the method is characterized in that:
in the first step, firstly, 0.05-0.1% of graphene, 0.8-1% of HSD, 10-14% of boric acid ester, 0.03-0.05% of metal powder microspheres, 0.01-0.04% of benzotriazole, 0.01-0.02% of di-n-butyl phosphite and the balance of lubricating oil base oil are respectively selected according to the mass percentage of the components for later use, and the selected materials are all qualified products;
in the second step, the borate selected in the first step is firstly heated, then the borate and the lubricating oil base oil obtained after heating are firstly placed in a stirrer, and then the mixture is stirred and dispersed for 25-30min at the stirring temperature of 50-60 ℃ to obtain dispersed base oil, wherein the stirring speed is 3000 r/min;
in the third step, HSD selected in the first step is added into the dispersed base oil in the second step for electromagnetic stirring for 30min, and heating can be stopped after the electromagnetic stirring is finished;
in the fourth step, the mixture obtained in the third step is added with the graphene, the metal powder microspheres, the benzotriazole and the di-n-butyl phosphite selected in the first step, and then stirred to obtain a semi-finished product;
and in the fifth step, the semi-finished product obtained in the fourth step is placed in a dry room and stands for 10-20min, then the semi-finished product is filled to obtain a finished product, and meanwhile, the humidity in the dry room is 20-30%.
5. The method for preparing graphene engine oil with improved thermal conductivity and adsorptivity according to claim 4, wherein the method comprises the following steps: in the second step, the heating temperature is 50-60 ℃, and the heating time is 10-15 min.
6. The method for preparing graphene engine oil with improved thermal conductivity and adsorptivity according to claim 4, wherein the method comprises the following steps: in the third step, the stirring speed is 3000r/min, and meanwhile, in the stirring process, the dispersed base oil needs to be continuously heated to obtain a mixture, and the heating temperature is 40-50 ℃.
7. The method for preparing graphene engine oil with improved thermal conductivity and adsorptivity according to claim 4, wherein the method comprises the following steps: in the fourth step, the stirring is carried out for 30min by using a paint dispersion machine, and the stirring speed is 3500 r/min.
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