CN113088357A

CN113088357A - Multi-effect gasoline additive and preparation method and application thereof

Info

Publication number: CN113088357A
Application number: CN202110276838.3A
Authority: CN
Inventors: 朱逸伟; 施一新; 严帅军; 吴智敏; 孙宏才
Original assignee: Anhui Polytechnic University
Current assignee: Anhui Polytechnic University
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-07-09

Abstract

The invention relates to a multi-effect gasoline additive, a preparation method and application thereof, wherein the gasoline additive comprises the following components in parts by mass: polyoxypropylene ricinoleate: 1.5-2.5 parts; triethyl phosphate: 2-5 parts; 2, 6-di-tert-butyl-p-cresol: 0.5-1.5 parts; triethylene tetramine: 8-17 parts; naphtha: 30-40 parts of a binder; triethanolamine: 15-30 parts of a solvent; polyisobutylene succinimide: 25-35 parts; acrylic acid stearate: 8-15 parts; sulfurized isobutylene: 1.2-4.5 parts; methylcyclopentadienyl manganese tricarbonyl: 0.03-0.08 part; benzylidene acetone: 0.6 to 1.2 portions. The components are stirred and mixed evenly to obtain the gasoline additive. After the gasoline additive is added into gasoline, various performances of the gasoline can be effectively improved, so that the gasoline has excellent lubricity, corrosion resistance, oxidation resistance, low oil consumption and low emission of harmful gases after combustion.

Description

Multi-effect gasoline additive and preparation method and application thereof

Technical Field

The invention belongs to the technical field of gasoline additives, and particularly relates to a multi-effect gasoline additive, and a preparation method and application thereof.

Background

In modern society, automobiles are basically vehicles for families of cities of middle and higher grades. A great deal of research shows that gasoline is combusted and exhausted in an extremely short time in an automobile engine room, the combustion is incomplete, residual fuel is exhausted as a combustion intermediate product even without being combusted, the utilization rate of the fuel is greatly reduced, a great amount of toxic gas exists in exhausted gas, and the environment is polluted while the gas is harmful to human bodies. In addition, during the working process of the automobile engine, unsaturated olefin and colloid in the fuel oil generate a coke-like substance in a high-temperature state, namely carbon deposition. Once formed, the carbon deposits can affect the overall performance of the vehicle. Such as the reduction of the dynamic performance of the automobile, the reduction of the power of an engine, the increase of the oil consumption of the automobile, the insufficient power when the automobile runs at high speed, the feeling of unsmooth during emergency acceleration, unstable idling, difficult cold start, the excessive emission of pollutants such as hydrocarbon, carbon monoxide, nitrogen oxide and the like in tail gas and the like.

One of the solutions found at present is to add additives into gasoline, and one of the more popular products in the market is the fuel oil. However, the existing automobile additives are not complete in function, and generally only can improve one to two performances of the gasoline, such as stability, antiknock property, corrosion resistance, ageing resistance, wear resistance and the like. Therefore, it is necessary to develop an additive capable of improving various properties of gasoline so that the gasoline can be better utilized.

Disclosure of Invention

The technical problem to be solved is as follows: the invention provides a multi-effect gasoline additive and a preparation method and application thereof, aiming at the defect that the performance of the existing gasoline additive on the market is single, the gasoline additive and gasoline are added into an automobile oil tank together, so that various performances of the gasoline can be effectively improved, and the gasoline added with the additive has excellent lubricity, corrosion resistance, oxidation resistance and anti-knock property, low volatility, low oil consumption and low emission of harmful gases after combustion.

The technical scheme is as follows: a multi-effect gasoline additive comprises the following components in parts by mass: polyoxypropylene ricinoleate: 1.5-2.5 parts; triethyl phosphate: 2-5 parts; 2, 6-di-tert-butyl-p-cresol: 0.5-1.5 parts; triethylene tetramine: 8-17 parts; naphtha: 30-40 parts of a binder; triethanolamine: 15-30 parts of a solvent; polyisobutylene succinimide: 25-35 parts; acrylic acid stearate: 8-15 parts; sulfurized isobutylene: 1.2-4.5 parts; methylcyclopentadienyl manganese tricarbonyl: 0.03-0.08 part; benzylidene acetone: 0.6 to 1.2 portions.

The multi-effect gasoline additive comprises the following components in parts by mass: polyoxypropylene ricinoleate: 1.8-2.2 parts; triethyl phosphate: 2.5-4.5 parts; 2, 6-di-tert-butyl-p-cresol: 0.8-1.3 parts; triethylene tetramine: 11-14 parts; naphtha: 32-38 parts of a solvent; triethanolamine: 19-26 parts; polyisobutylene succinimide: 28-32 parts; acrylic acid stearate: 10-13 parts; sulfurized isobutylene: 1.8-3.5 parts; methylcyclopentadienyl manganese tricarbonyl: 0.04-0.07 part; benzylidene acetone: 0.7 to 1.1 portions.

The multi-effect gasoline additive comprises the following components in parts by mass: polyoxypropylene ricinoleate: 2 parts of (1); triethyl phosphate: 3.5 parts; 2, 6-di-tert-butyl-p-cresol: 1 part; triethylene tetramine: 12.5 parts; naphtha: 35 parts of (B); triethanolamine: 23 parts; polyisobutylene succinimide: 30 parts of (1); acrylic acid stearate: 12 parts of (1); sulfurized isobutylene: 2.8 parts; methylcyclopentadienyl manganese tricarbonyl: 0.06 part; benzylidene acetone: 0.9 part.

The preparation method of the multi-effect gasoline additive comprises the following steps:

the method comprises the following steps: adding naphtha, triethanolamine and polyisobutylene succinimide into a reaction kettle, and uniformly mixing and stirring;

step two: adding the polyoxypropylene ricinoleate, 2, 6-di-tert-butyl-p-cresol, acrylic acid stearate and sulfurized isobutylene into a stirrer, and continuously mixing and stirring uniformly;

step three: and finally adding triethyl phosphate, triethylene tetramine, methylcyclopentadienyl manganese tricarbonyl and benzylidene acetone into a stirrer, and stirring and mixing uniformly to obtain the multi-effect gasoline additive.

And in the first step, the second step and the third step, the temperature in the reaction kettle is kept at 15-25 ℃, and the normal pressure and the normal temperature are kept.

And in the first step, the stirring and mixing time is 15-25 min.

And in the second step, the stirring and mixing time is 5-15 min.

And the stirring and mixing time in the third step is 25-35 min.

The multi-effect gasoline additive is applied to gasoline.

The adding amount of the multi-effect gasoline additive in each liter of gasoline is 5-15 mL.

The invention selects the ricinoleic acid polyoxypropylene ester which has excellent emulsifying, dispersing, solubilizing, antistatic, lubricating and dirt-removing capacities, and the ricinoleic acid polyoxypropylene ester is added into the gasoline additive, so that the gasoline additive can be dispersed more quickly and is compatible with gasoline after being added into the gasoline, and meanwhile, the lubricating performance of the gasoline can be improved. Triethyl phosphate can be quickly dissolved in organic solvents such as alcohol, ether and the like, and after the gasoline additive is added, the anti-wear performance of gasoline can be improved, and the lubricity of the gasoline can be enhanced. 2, 6-di-tert-butyl-p-cresol is an excellent antioxidant and antigum inhibitor, and can prevent gasoline oxidation and improve the antiknock property of gasoline after being added into gasoline as a component of the gasoline additive. Triethylene tetramine serves a dispersing function. Naphtha and triethanolamine are base oils constituting the petroleum gasoline additive, wherein the volume content of alkane and cycloalkane in the naphtha is preferably not less than 65%. The carbon deposition can be removed by adding polyisobutylene succinimide, and the removed carbon deposition can be further dispersed by triethylenetetramine, so that the engine can be fully combusted, and the carbon deposition on the engine and other parts can be better removed. The combination of the acrylic acid stearate and the ricinoleic acid polyoxypropylene ester can effectively improve the combustion condition of gasoline and promote the overall combustion after being matched with the gasoline. The addition of sulfurized isobutylene increases the antiwear performance of gasoline and thus raises the lubricating performance of gasoline. The methylcyclopentadienyl manganese tricarbonyl also has excellent anti-knock performance, so that the anti-knock performance of the gasoline can be greatly improved by adding a small amount of the methylcyclopentadienyl manganese tricarbonyl. The benzalacetone is an excellent brightening agent and preservative, is added into the gasoline additive, and can reduce the corrosion of the metal surface contacting the gasoline after the gasoline additive is added into the gasoline.

In summary, all kinds of components are firstly matched through base oil to obtain the gasoline additive, after the gasoline additive is added into No. 92 or No. 95 gasoline, carbon deposition in an engine starts to be removed, the removed carbon deposition is decomposed, and then the gasoline additive is further emulsified and dispersed and then is fully combusted and discharged; the anti-wear agent, the brightening agent and the anti-knock agent are added to better play a role in protecting the engine, and the engine is better protected while fully burning gasoline through the mutual matching and synergistic effect of all the components.

Has the advantages that: the multi-effect gasoline additive, the preparation method and the application thereof provided by the invention have the following beneficial effects: the gasoline additive and gasoline are added into an automobile oil tank together, so that various performances of the gasoline can be effectively improved, and the gasoline added with the additive has excellent lubricity, corrosion resistance, oxidation resistance and explosion resistance, and has low volatility, low oil consumption and low emission of harmful gases after combustion.

Detailed Description

The polyoxypropylene ricinoleate used in the following examples was obtained from Shandong Xin Chemicals, Inc.; triethyl phosphate was purchased from Zhang Jia gang Xin Asia chemical Co., Ltd; 2, 6-di-tert-butyl-p-cresol is purchased from bioengineering limited company Zhonghong Anhui; triethylene tetramine and triethanolamine were purchased from Nantong Runfeng petrochemical Co; the naphtha was purchased from Nanjian Fine chemical Co., Ltd, Dongguan city; polyisobutylene succinimide and sulfurized isobutylene were purchased from Shandonghao Shunhua chemical Co., Ltd; stearic acid acrylate is available from Kyoxia Chemicals Co., Ltd under CAS number 50427-77-5; methylcyclopentadienyl manganese tricarbonyl was purchased from Shandong Haoyao New materials, Inc.; benzylidene acetone was purchased from Wuhan Fuxin Yunji, Inc.

The preparation steps of the multi-effect gasoline additive in the following examples are as follows:

the method comprises the following steps: adding naphtha, triethanolamine and polyisobutylene succinimide into a reaction kettle, and mixing and stirring for 20 min;

step two: adding polyoxyethylene propylene ricinoleate, 2, 6-di-tert-butyl-p-cresol, acrylic acid stearate and sulfurized isobutylene into a stirrer, and continuously mixing and stirring for 10 min;

step three: and finally adding triethyl phosphate, triethylene tetramine, methylcyclopentadienyl manganese tricarbonyl and benzylidene acetone into a stirrer, and stirring and mixing for 30min to obtain the multi-effect gasoline additive.

And (3) keeping the temperature in the reaction kettle in the first step, the second step and the third step at 15-25 ℃, and keeping the normal pressure and the normal temperature.

Example 1

A multi-effect gasoline additive comprises the following components in parts by mass: polyoxypropylene ricinoleate: 1.5 parts; triethyl phosphate: 2 parts of (1); 2, 6-di-tert-butyl-p-cresol: 0.5 part; triethylene tetramine: 8 parts of a mixture; naphtha: 30 parts of (1); triethanolamine: 15 parts of (1); polyisobutylene succinimide: 25 parts of (1); acrylic acid stearate: 8 parts of a mixture; sulfurized isobutylene: 1.2 parts; methylcyclopentadienyl manganese tricarbonyl: 0.03 part; benzylidene acetone: 0.6 to part.

10mL of the multi-effect gasoline additive prepared from the components of the example was added per liter of medium petrochemical No. 92 gasoline.

Example 2

A multi-effect gasoline additive comprises the following components in parts by mass: polyoxypropylene ricinoleate: 2.5 parts; triethyl phosphate: 5 parts of a mixture; 2, 6-di-tert-butyl-p-cresol: 1.5 parts; triethylene tetramine: 17 parts of (1); naphtha: 40 parts of a mixture; triethanolamine: 30 parts of (1); polyisobutylene succinimide: 35 parts of (B); acrylic acid stearate: 15 parts of (1); sulfurized isobutylene: 4.5 parts; methylcyclopentadienyl manganese tricarbonyl: 0.08 part; benzylidene acetone: 1.2 parts.

Example 3

A multi-effect gasoline additive comprises the following components in parts by mass: polyoxypropylene ricinoleate: 1.8 parts; triethyl phosphate: 2.5 parts; 2, 6-di-tert-butyl-p-cresol: 0.8 part; triethylene tetramine: 11 parts of (1); naphtha: 32 parts of (1); triethanolamine: 19 parts of a mixture; polyisobutylene succinimide: 28 parts of (1); acrylic acid stearate: 10 parts of (A); sulfurized isobutylene: 1.8 parts; methylcyclopentadienyl manganese tricarbonyl: 0.04 parts; benzylidene acetone: 0.7 part.

Example 4

A multi-effect gasoline additive comprises the following components in parts by mass: polyoxypropylene ricinoleate: 2 parts of (1); triethyl phosphate: 3.5 parts; 2, 6-di-tert-butyl-p-cresol: 1 part; triethylene tetramine: 12.5 parts; naphtha: 35 parts of (B); triethanolamine: 23 parts; polyisobutylene succinimide: 30 parts of (1); acrylic acid stearate: 12 parts of (1); sulfurized isobutylene: 2.8 parts; methylcyclopentadienyl manganese tricarbonyl: 0.06 part; benzylidene acetone: 0.9 part.

5mL of the multi-effect gasoline additive prepared from the components of the example was added to each liter of medium petrochemical No. 92 gasoline.

Example 5

Example 5 differs from example 4 in that 15mL of the multi-effect gasoline additive prepared from the components of this example was added per liter of medium petrochemical No. 92 gasoline.

Comparative example 1

Comparative example 1 is medium petrochemical No. 92 gasoline crude.

Next, the gasoline consumption performance, the lubricating performance, the oxidation resistance, the copper sheet corrosion performance, the volatilization performance and the emission of harmful gases in the tail gas of the gasolines of the examples 1 to 5 and the comparative example 1 are detected, and the specific method and the detection result are as follows:

(1) oil consumption performance test

6 2016 Maauto Atz 2.5L, 6-7 kilometers, respectively adding the medium petrochemical No. 92 gasoline with the gasoline additive of the examples 1-5 and the medium petrochemical No. 92 gasoline crude oil of the comparative example 1, and carrying out a 2000 kilometer highway driving comparison experiment. The experimental oil consumption was as follows in table 1.

TABLE 1

Detecting items	Example 1	Example 2	Example 3	Example 4	Example 5	Comparative example 1
							Average oil consumption (L/hundred kilometers)	8.6	8.5	8.5	8.3	8.2	9.5

(2) Lubrication Performance test

The lubricating properties of the gasoline additive-containing medium petrochemicals No. 92 gasoline of examples 1 to 5 and the crude oil of the gasoline additive-containing medium petrochemicals No. 92 gasoline of comparative example 1 were measured by a high frequency reciprocating tester LT-HFRR of beijing mesolite technologies ltd, the addition amount was 200ppm, each experiment was performed 3 times and the average value was taken, and the obtained measurement results are as shown in table 2 below.

TABLE 2

Detecting items	Example 1	Example 2	Example 3	Example 4	Example 5	Comparative example 1
							Whetting macula (um)	389	395	378	362	355	864

(3) Test for Oxidation resistance

The gasoline additive-added medium petrochemical No. 92 gasoline of examples 1 to 5 and the medium petrochemical No. 92 gasoline crude oil of comparative example 1 were subjected to a colloid test method: GB/T8019, sample size 500ppm, the results are given in Table 3 below.

TABLE 3

Detecting items	Example 1	Example 2	Example 3	Example 4	Example 5	Comparative example 1
							Colloid (mg/100mL)	3	3	3	2	2	5

(4) Copper sheet corrosion performance detection

The gasoline additive-added medium petrochemical No. 92 gasoline of examples 1 to 5 and the medium petrochemical No. 92 gasoline crude oil of comparative example 1 were subjected to a colloid test method: GB/T5096, sample size 500ppm, the results obtained are shown in Table 4 below.

TABLE 4

Detecting items

Example 1

Example 2

Example 3

Example 4

Example 5

Comparative example 1

Copper sheet corrosion (50 ℃, 3 h)/grade

1a

2a

(5) Detection of harmful gas emission in tail gas

The results of testing the medium petrochemicals No. 92 gasoline of examples 1 to 5 added with the gasoline additive and the medium petrochemicals No. 92 gasoline crude oil of comparative example 1 were as follows, using 2016 madaatz 2.5L, according to the technical requirements of GB/T18352.3-2005, and the following table 5 was obtained.

TABLE 5

Detecting items	Example 1	Example 2	Example 3	Example 4	Example 5	Comparative example 1
							THC,g/km	0.007	0.006	0.006	0.005	0.005	0.015
CO，g/km	0.213	0.205	0.211	0.201	0.198	0.316
							NO_X，g/km	0.004	0.003	0.004	0.004	0.003	0.012
CO₂，g/km	184	188	189	190	191	157

As can be seen from tables 1, 2, 3, 4 and 5, the gasoline added with the gasoline additive of the present invention has the advantages of significantly reduced gasoline consumption, significantly improved wear resistance, significantly enhanced oxidation resistance, excellent corrosion resistance, sufficient gasoline combustion and greatly reduced harmful gases in the tail gas. As can be seen from the test results of example 4 and example 5 in each table, when the addition amount of the gasoline additive is large, all the performances of the gasoline additive are slightly improved; however, the amount of the petroleum additive of the present invention to be added may be appropriately selected in consideration of economic cost.

While the embodiments of the present invention have been described in detail, those skilled in the art will recognize that the embodiments of the present invention can be practiced without departing from the spirit and scope of the claims.

Claims

1. A multi-effect gasoline additive is characterized by comprising the following components in parts by mass: polyoxypropylene ricinoleate: 1.5-2.5 parts; triethyl phosphate: 2-5 parts; 2, 6-di-tert-butyl-p-cresol: 0.5-1.5 parts; triethylene tetramine: 8-17 parts; naphtha: 30-40 parts of a binder; triethanolamine: 15-30 parts of a solvent; polyisobutylene succinimide: 25-35 parts; acrylic acid stearate: 8-15 parts; sulfurized isobutylene: 1.2-4.5 parts; methylcyclopentadienyl manganese tricarbonyl: 0.03-0.08 part; benzylidene acetone: 0.6 to 1.2 portions.

2. The multi-effect gasoline additive according to claim 1, characterized by comprising the following components in parts by mass: polyoxypropylene ricinoleate: 1.8-2.2 parts; triethyl phosphate: 2.5-4.5 parts; 2, 6-di-tert-butyl-p-cresol: 0.8-1.3 parts; triethylene tetramine: 11-14 parts; naphtha: 32-38 parts of a solvent; triethanolamine: 19-26 parts; polyisobutylene succinimide: 28-32 parts; acrylic acid stearate: 10-13 parts; sulfurized isobutylene: 1.8-3.5 parts; methylcyclopentadienyl manganese tricarbonyl: 0.04-0.07 part; benzylidene acetone: 0.7 to 1.1 portions.

3. The multi-effect gasoline additive according to claim 1, characterized by comprising the following components in parts by mass: polyoxypropylene ricinoleate: 2 parts of (1); triethyl phosphate: 3.5 parts; 2, 6-di-tert-butyl-p-cresol: 1 part; triethylene tetramine: 12.5 parts; naphtha: 35 parts of (B); triethanolamine: 23 parts; polyisobutylene succinimide: 30 parts of (1); acrylic acid stearate: 12 parts of (1); sulfurized isobutylene: 2.8 parts; methylcyclopentadienyl manganese tricarbonyl: 0.06 part; benzylidene acetone: 0.9 part.

4. The method for preparing the multi-effect gasoline additive as claimed in claim 1, characterized by comprising the following steps:

5. The method for preparing a multi-effect gasoline additive according to claim 4, wherein: the temperature in the reaction kettle in the first step, the second step and the third step is kept at 15-25 ℃, and the normal pressure and the normal temperature are kept.

6. The method for preparing a multi-effect gasoline additive according to claim 4, wherein: and in the first step, stirring and mixing time is 15-25 min.

7. The method for preparing a multi-effect gasoline additive according to claim 4, wherein: and in the second step, stirring and mixing time is 5-15 min.

8. The method for preparing a multi-effect gasoline additive according to claim 4, wherein: and in the third step, the stirring and mixing time is 25-35 min.

9. Use of a multi-effect gasoline additive of claim 1 in gasoline.

10. The use of a multi-effect gasoline additive according to claim 9 wherein: the adding amount of the multi-effect gasoline additive in each liter of gasoline is 5-15 mL.