CN113563933A - Automobile initial oil and preparation method thereof - Google Patents
Automobile initial oil and preparation method thereof Download PDFInfo
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- CN113563933A CN113563933A CN202110964917.3A CN202110964917A CN113563933A CN 113563933 A CN113563933 A CN 113563933A CN 202110964917 A CN202110964917 A CN 202110964917A CN 113563933 A CN113563933 A CN 113563933A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/04—Liquid carbonaceous fuels essentially based on blends of hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/18—Use of additives to fuels or fires for particular purposes use of detergents or dispersants for purposes not provided for in groups C10L10/02 - C10L10/16
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/16—Hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/16—Hydrocarbons
- C10L1/1616—Hydrocarbons fractions, e.g. lubricants, solvents, naphta, bitumen, tars, terpentine
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
- C10L1/183—Organic compounds containing oxygen containing hydroxy groups; Salts thereof at least one hydroxy group bound to an aromatic carbon atom
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/185—Ethers; Acetals; Ketals; Aldehydes; Ketones
- C10L1/1852—Ethers; Acetals; Ketals; Orthoesters
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- Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
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- General Chemical & Material Sciences (AREA)
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The application relates to the field of automobile initial oil, and particularly discloses automobile initial oil and a preparation method thereof. The preparation raw materials of the automobile primary oil comprise, by weight, 10-60 parts of benzene-making raffinate oil, 40-70 parts of methyl tert-butyl ether, 5-30 parts of alkylate oil, 1-4 parts of solvent oil, 0.008-0.016 part of 2, 6-di-tert-butyl-p-cresol and 0.002-0.005 part of auxiliary agent; the preparation method comprises the following steps: the benzene-making raffinate oil, the methyl tert-butyl ether, the alkylate oil and the solvent oil in the formula amount are mixed uniformly, and then the 2, 6-di-tert-butyl-p-cresol and the auxiliary agent are added and mixed uniformly to prepare the primary oil. The application has the effect of reducing the 50 percent distillation temperature of the initially-filled oil, and realizes the acceleration and the working stability of the automobile engine.
Description
Technical Field
The application relates to the field of automobile initial oil, in particular to automobile initial oil and a preparation method thereof.
Background
The automobile initial oil filling refers to fuel oil added to the ignition engine before a new automobile is off-line, namely the first barrel of oil of the engine. Compared with the conventional gasoline sold in the market at present, the automobile initial charging oil generally has excellent stability and longer induction period, and besides, the automobile initial charging oil can also be used for detecting the emission of the automobile.
At present, the concept of automobile initial oil is gradually deep into the mind, and the quality of the initial oil directly concerns the performance of the automobile. Wherein the 50% distillation temperature of the automobile initial oil represents the evaporation performance of the initial oil, and influences the acceleration and the working stability of an automobile engine. When the 50% distillation temperature of the initial oil is lower, the acceleration and the working stability of the automobile engine are better.
At present, the 50% distillation temperature of the automobile initial oil is about 105 ℃, and the acceleration and the working stability of an automobile engine are reduced due to the higher 50% distillation temperature. Therefore, researchers believe that the 50% distillate temperature of automotive initial oil needs to be further reduced, thereby achieving improvements in the acceleration and operating stability of automotive engines.
Disclosure of Invention
In order to reduce the 50 percent distillation temperature of the automobile initial oil, the application provides the automobile initial oil and a preparation method thereof.
In a first aspect, the present application provides an automobile initial oil, which adopts the following technical scheme:
the automobile initial oil is prepared with benzene-producing raffinate oil 10-60 weight portions, methyl tert-butyl ether 40-70 weight portions, alkylate oil 5-30 weight portions, solvent oil 1-4 weight portions, 2, 6-di-tert-butyl-p-cresol 0.008-0.016 weight portions, and assistant 0.002-0.005 weight portions.
By adopting the technical scheme, the raw material ratio for preparing the automobile initial oil is changed, the novel automobile initial oil is prepared by adjusting the composition ratio of the benzene-making raffinate oil, the methyl tert-butyl ether, the alkylate oil, the solvent oil, the 2, 6-di-tert-butyl-p-cresol and the auxiliary agent, the octane number of the automobile initial oil is adjusted, the reduction of 50 percent of distillation temperature of the automobile initial oil is realized, and the prepared automobile initial oil has higher oxygen content, excellent oxidation stability and low-temperature startability.
Preferably, the preparation raw materials of the automobile initial oil comprise, by weight, 25-30 parts of benzene-making raffinate oil, 45-50 parts of methyl tert-butyl ether, 15-20 parts of alkylate oil, 2-3 parts of solvent oil, 0.01-0.012 part of 2, 6-di-tert-butyl-p-cresol and 0.003-0.004 part of auxiliary agent.
Preferably, the solvent oil is a mixture of No. 70 solvent oil and No. 90 solvent oil.
Preferably, the weight ratio of the No. 70 solvent oil to the No. 90 solvent oil is (1-3) to (2-3).
By adopting the technical scheme, the No. 70 solvent oil and the No. 90 solvent oil are compounded, and when the weight ratio of the No. 70 solvent oil to the No. 90 solvent oil is (1-3) to (2-3), the prepared automobile initial oil has higher uniformity, the 50 percent distillation temperature of the automobile initial oil is reduced, and the acceleration and the working stability of an automobile engine are improved.
Preferably, the auxiliary agent comprises an antistatic agent, a metal passivator and a detergent dispersant in a weight ratio of (2-3) to 0.2 to (1-3).
By adopting the technical scheme, the antistatic performance of the automobile initial oil can be improved by adding the antistatic agent, the metal passivator can inhibit the oxidation catalysis of metal on the automobile initial oil, and the detergent dispersant can reduce the formation of a paint film.
Preferably, the antistatic agent is a mixture of a WD-102 type antistatic agent and a GSM 90 type antistatic agent, and the weight ratio of the WD-102 type antistatic agent to the GSM 90 type antistatic agent is 1 (2-3).
By adopting the technical scheme, the WD-102 type antistatic agent and the GSM 90 type antistatic agent are compounded, and when the weight ratio of the WD-102 type antistatic agent to the GSM 90 type antistatic agent is 1 (2-3), the prepared automobile initial oil has stronger uniformity and the 50 percent distillation temperature is reduced.
Preferably, the detergent dispersant is a B1011 type detergent dispersant.
In a second aspect, the application provides a preparation method of automobile initial oil, which adopts the following technical scheme:
a preparation method of automobile initial oil comprises the following preparation steps: the benzene-making raffinate oil, the methyl tert-butyl ether, the alkylate oil and the solvent oil in the formula amount are mixed uniformly, and then the 2, 6-di-tert-butyl-p-cresol and the auxiliary agent are added and mixed uniformly to prepare the primary oil.
By adopting the technical scheme, the dosage of the methyl tert-butyl ether, the solvent oil and the alkylate oil in the raw materials for preparing the automobile initial oil is adjusted, and the 50 percent distillation temperature of the automobile initial oil is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method changes the raw material proportion for preparing the automobile initial oil, prepares the new automobile initial oil by adjusting the composition proportion of the benzene-making raffinate oil, the methyl tert-butyl ether, the alkylate oil, the solvent oil, the 2, 6-di-tert-butyl-p-cresol and the auxiliary agent, not only adjusts the octane number of the automobile initial oil, but also reduces the 50 percent distillation temperature of the automobile initial oil, so that the prepared automobile initial oil has higher oxygen content, and simultaneously has excellent oxidation stability and low-temperature starting property;
2. no. 70 solvent oil and No. 90 solvent oil are preferably compounded, so that the 50 percent distillation temperature of the automobile initial oil is further reduced, and the acceleration and the working stability of an automobile engine are improved;
3. the WD-102 antistatic agent and the GSM 90 antistatic agent are preferably compounded, so that the 50 percent distillation temperature of the automobile initial oil is reduced.
Detailed Description
The present application is further described in detail with reference to the following examples, wherein the benzene-making raffinate oil used in the present application contains isohexane and isoheptane, olefin in percentage by mass is not more than 1%, and aromatic hydrocarbon in percentage by mass is not more than 1%, and the oil is purchased from a benzene-making workshop of the chemical industry of Beijing Yanshan petrochemical company; the No. 70 solvent oil and the No. 90 solvent oil used in the application are the current commercially available solvent oil; the remaining sources of raw materials used in this application are shown in Table 1 unless otherwise specified.
TABLE 1 sources of raw materials used in the present application
Preparation example
Preparation example 1
An assistant is prepared by uniformly mixing 20g of antistatic agent, 2g of metal passivator and 10g of detergent dispersant to obtain an assistant; the antistatic agent is WD-102 type antistatic agent; the type of the metal passivator is T551; the detergent dispersant used is B1011 type detergent dispersant.
Preparation examples 2 to 3
Preparation examples 2 to 3 are based on preparation example 1 and differ from preparation example 1 only in that: the dosage of each raw material for preparing the auxiliary agent is different, and the specific dosage is shown in table 2.
TABLE 2 preparation examples 1 to 3 respective amounts of raw materials
| Preparation example | Antistatic agent (g) | Metal passivator (g) | Detergent dispersant (g) |
| Preparation example 1 | 20 | 2 | 10 |
| Preparation example 2 | 25 | 2 | 30 |
| Preparation example 3 | 30 | 2 | 20 |
Preparation example 4
Preparation 4 is based on preparation 1, differing from preparation 1 only in that: the antistatic agent used for preparing the auxiliary agent is a GSM 90 type antistatic agent.
Preparation example 5
Preparation 5 is based on preparation 4, differing from preparation 4 only in that: the antistatic agent is a mixture of a WD-102 type antistatic agent and a GSM 90 type antistatic agent, and the weight ratio of the WD-102 type antistatic agent to the GSM 90 type antistatic agent is 1: 3.
Preparation example 6
Preparation 6 is based on preparation 4, differing from preparation 4 only in that: the antistatic agent is a mixture of a WD-102 type antistatic agent and a GSM 90 type antistatic agent, and the weight ratio of the WD-102 type antistatic agent to the GSM 90 type antistatic agent is 1: 2.
Examples
Example 1
The preparation method of the automobile initial oil comprises the following preparation steps: uniformly mixing 800g of benzene-making raffinate oil, 1300g of methyl tert-butyl ether, 500g of alkylate oil and 80g of solvent oil, adding 0.16g of 2, 6-di-tert-butyl-p-cresol and 0.1g of auxiliary agent, and uniformly mixing to obtain primary oil;
the used solvent oil is No. 70 solvent oil; the auxiliaries used originate from preparation 1.
Examples 2 to 9
Examples 2 to 9 are based on example 1 and differ from example 1 only in that: the raw materials for preparing the automobile initial oil are different in dosage and are shown in table 3.
TABLE 3 raw material amounts of examples 1 to 9
Example 10
Example 10 is based on example 9 and differs from example 9 only in that: the solvent oil used is No. 90 solvent oil.
Example 11
Example 11 is based on example 10 and differs from example 10 only in that: the solvent oil is a mixture of No. 70 solvent oil and No. 90 solvent oil, and the weight ratio of the No. 70 solvent oil to the No. 90 solvent oil is 1: 3.
Example 12
Example 12 is based on example 11 and differs from example 11 only in that: the solvent oil is a mixture of No. 70 solvent oil and No. 90 solvent oil, and the weight ratio of the No. 70 solvent oil to the No. 90 solvent oil is 3: 2.
Example 13
Example 13 is based on example 12 and differs from example 12 only in that: the auxiliaries used originate from preparation 4.
Example 14
Example 14 is based on example 12 and differs from example 12 only in that: the auxiliaries used originate from preparation 5.
Example 15
Example 15 is based on example 12 and differs from example 12 only in that: the auxiliaries used originate from preparation 6.
Comparative example
Comparative example 1
The preparation method of the automobile initial oil comprises the following steps: 1.5kg of benzene-making raffinate oil, 2kg of methyl tert-butyl ether and 8.5kg of isooctane are uniformly mixed to prepare automobile primary oil; the isooctane used was technical grade isooctane, purchased from the chemical Limited of Jinan Prolihua.
Comparative example 2
The preparation method of the automobile initial oil comprises the following steps: 1kg of benzene-making raffinate oil, 7kg of methyl tert-butyl ether and 3kg of isooctane are uniformly mixed to prepare automobile primary oil; the isooctane used was technical grade isooctane, purchased from the chemical Limited of Jinan Prolihua.
Performance test
The following performance tests were performed on the automobile initial charge oils obtained in examples 1 to 15 and comparative examples 1 to 2, respectively.
50% distillation temperature test: the initial boiling point, 10% distillation temperature, 50% distillation temperature, 90% distillation temperature and final boiling point of the automobile initial charge oil obtained in examples 1-15 and comparative examples 1-2 were respectively tested according to the regulations of GB/T6536-2010 (atmospheric distillation characterization of petroleum products), and the test results are shown in Table 4.
Research octane number test: the research octane numbers of the automobile initial charge oils prepared in examples 1-15 and comparative examples 1-2 were respectively tested according to GB/T5487-2015 (research method for measuring gasoline octane number), and the test results are shown in Table 4.
And (3) testing an induction period: the induction periods of the initial oils of the automobiles obtained in examples 1 to 15 and comparative examples 1 to 2 were measured according to GB/T8018-2015 (method for measuring induction period of oxidation stability of gasoline), and the results are shown in Table 4.
TABLE 4 test results of examples 1 to 15 and comparative examples 1 to 4
The analysis of the data shows that the automobile initial-charge oil prepared by the method has higher octane number and longer induction period, can ensure that gasoline does not rapidly deteriorate and generate rubber or increase the pH index in storage, has proper initial boiling point and 10 percent distillation temperature, is beneficial to the starting performance of the automobile under cold conditions, reduces 50 percent distillation temperature of the automobile initial-charge oil by changing the composition and the proportion of the preparation raw materials of the automobile initial-charge oil, and improves the acceleration performance and the working stability of an automobile engine.
Analysis of the data in Table 4 for examples 1-9 shows that the automotive initial charge oils produced herein have lower 50% distillate temperatures and higher research octane numbers, with example 6 being the preferred example of examples 1-9. As can be seen from the analysis of the data of comparative example 1 and comparative example 2 in table 4, the 50% distillation temperature of the automotive initial oil of comparative example 1 is higher, while the 50% distillation temperature of the automotive initial oil of comparative example 2 is lower, but the octane number is obviously higher, and the automotive initial oil prepared by the present application not only has a suitable octane number, but also has a lower 50% distillation temperature, which indicates that the research octane number of the automotive initial oil can be adjusted and the 50% distillation temperature of the automotive initial oil is reduced by changing the raw material composition and the mixture ratio of the automotive initial oil, so that the acceleration and the working stability of the automotive engine are improved, and the prepared automotive initial oil has higher oxygen content, excellent oxidation stability and excellent low-temperature startability.
Analysis of the data in examples 11 to 12, 10 and 9 in Table 4 shows that when the No. 70 solvent oil or the No. 90 solvent oil is used alone as the solvent oil to prepare the automobile initial charge oil, the 50% distillation temperature of the prepared automobile initial charge oil is higher than the 50% distillation temperature of the automobile initial charge oil prepared when the No. 70 solvent oil and the No. 90 solvent oil are used in combination, which indicates that the No. 70 solvent oil and the No. 90 solvent oil in the automobile initial charge oil preparation system have a built-up effect, and when the weight ratio of the No. 70 solvent oil to the No. 90 solvent oil is (1-3): (2-3), the uniformity of the automobile initial charge oil is higher, the 50% distillation temperature of the automobile initial charge oil is reduced, and the acceleration and the working stability of the automobile engine are improved.
Analysis of the data in examples 14 to 15, 13 and 12 in Table 4 shows that when the antistatic agent of WD-102 type alone or the antistatic agent of GSM 90 type alone is used as the antistatic agent to prepare the automobile initial oil, the 50% distillation temperature of the prepared automobile initial oil is higher than that of the automobile initial oil prepared by mixing the antistatic agent of WD-102 type and the antistatic agent of GSM 90 type, which indicates that the antistatic agent of WD-102 type and the antistatic agent of GSM 90 type have a compounding effect, and when the weight ratio of the antistatic agent of WD-102 type to the antistatic agent of GSM 90 type is 1 (2-3), the uniformity of the automobile initial oil is stronger, the 50% distillation temperature is reduced, and the acceleration and the working stability of the automobile engine are better.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. The automobile initial oil is characterized in that the preparation raw materials comprise, by weight, 10-60 parts of benzene-making raffinate oil, 40-70 parts of methyl tert-butyl ether, 5-30 parts of alkylate oil, 1-4 parts of solvent oil, 0.008-0.016 part of 2, 6-di-tert-butyl-p-cresol and 0.002-0.005 part of auxiliary agent.
2. The automotive priming oil of claim 1, wherein: the preparation raw materials comprise, by weight, 25-30 parts of benzene-making raffinate oil, 45-50 parts of methyl tert-butyl ether, 15-20 parts of alkylate oil, 2-3 parts of solvent oil, 0.01-0.012 part of 2, 6-di-tert-butyl-p-cresol and 0.003-0.004 part of auxiliary agent.
3. The automotive priming oil of claim 1, wherein: the solvent oil is a mixture of No. 70 solvent oil and No. 90 solvent oil.
4. The automotive priming oil of claim 3, wherein: the weight ratio of the No. 70 solvent oil to the No. 90 solvent oil is (1-3) to (2-3).
5. The automotive priming oil of claim 1, wherein: the auxiliary agent comprises an antistatic agent, a metal passivator and a detergent dispersant in a weight ratio of (2-3) to (0.2) to (1-3).
6. The automotive priming oil of claim 5, wherein: the antistatic agent is a mixture of a WD-102 type antistatic agent and a GSM 90 type antistatic agent, and the weight ratio of the WD-102 type antistatic agent to the GSM 90 type antistatic agent is 1 (2-3).
7. The automotive priming oil of claim 5, wherein: the detergent dispersant is B1011 type detergent dispersant.
8. The method for preparing the automobile initial oil as claimed in any one of claims 1 to 7, which is characterized by comprising the following preparation steps: the benzene-making raffinate oil, the methyl tert-butyl ether, the alkylate oil and the solvent oil in the formula amount are mixed uniformly, and then the 2, 6-di-tert-butyl-p-cresol and the auxiliary agent are added and mixed uniformly to prepare the primary oil.
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Application publication date: 20211029 |