JP2003082367A - Fuel oil composition and fuel additive - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an additive effective for improving the traveling properties, particularly the acceleration of an automobile which travels with the use of a fuel oil. SOLUTION: The fuel oil additive comprises an adduct of 3-50 mol alkylene oxide to 1 mol hydrocarbylamide. When this additive is added to a fuel oil such as gasoline, the traveling properties, particularly the acceleration of an automobile which travels with the use of this fuel oil is improved.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an additive to be added to fuel for automobiles. INDUSTRIAL APPLICABILITY The present invention makes it possible to improve running performance, particularly acceleration responsiveness, of a vehicle that runs by burning a hydrocarbon fuel oil such as gasoline or diesel fuel oil in an internal combustion engine such as a gasoline engine or a diesel engine. Fuel additive.

[0002]

2. Description of the Related Art In order to increase the output and improve the acceleration response of a spark ignition type automobile engine, a hydrocarbon fuel oil such as gasoline may be mixed with alcohol (eg methanol, ethanol), ether (eg methyl-t-). Butyl ether),
Alternatively, oxygenated fuel additives such as ketones (eg, acetone) have been considered. In addition, the use of hydrazine and nitro compounds (eg, nitroparaffins such as nitromethane and nitropropane, nitrobenzene) as additives for fuels for automobile racing was also considered. However, the use of these additives has been problematic in that they adversely affect engine components.

Further, as antiknock agents, organometallic compounds (eg, alkyl lead such as tetraethyl lead, ferrocene,
Methylcyclopentadienyl manganese tricarbonyl) and aromatic amines (eg, aniline, monomethylaniline, dimethylaniline) are known, but these compounds poison the three-way catalyst for exhaust gas treatment and It has been found to reduce the exhaust gas purification action of the catalyst.

JP-A-58-104996 (corresponding to US Pat. No. 4,409,000) realizes cleaning of carburetor and engine by adding ethylene oxide adduct of alkylamine or alkenylamine to automobile fuel. It is described to do.

EP-A-869163A1 (E
P0869163A1) describes that the friction of gasoline engines can be reduced by adding N, N-bis (hydroxyalkyl) alkylamines to gasoline.

Special Table 2001-502374 (WO-98
/ 17746), the addition of fatty acid diethanolamide, alcohol ethoxylates and fatty acid ethoxylates to liquid fuels such as gasoline and diesel fuel oil increases the solubilizing ability of water and improves engine performance. Have been described.

[0007]

DISCLOSURE OF THE INVENTION The present invention, when added to a fuel such as gasoline and combusted in an internal combustion engine of an automobile, has substantially no adverse effect on the internal combustion engine. An object of the present invention is to provide a fuel additive capable of improving the running performance of an automobile, especially the acceleration response. Another object of the present invention is to provide an automobile fuel such as gasoline to which the above-mentioned fuel additive is added.

[0008]

SUMMARY OF THE INVENTION The present invention is directed to an automotive fuel, wherein the amount of hydrocarbyl amide is in the range of 10 to 10,000 ppm weight / weight ratio to the fuel, and 3 to 50 per mole of hydrocarbyl amide. A fuel oil composition comprising an adduct with moles of alkylene oxide added.

The present invention also provides hydrocarbyl amides,
There are also fuel oil additives containing adducts with 3 to 50 moles of alkylene oxide added per mole of hydrocarbyl amide.

The present invention also provides a vehicle equipped with a gasoline engine with gasoline, and with respect to the gasoline 10 to 1
Since the vehicle is run using a gasoline composition in which an adduct in which 3 to 50 mol of alkylene oxide is added to 1 mol of hydrocarbylamide is added to hydrocarbylamide in an amount within a range of 0000 ppm weight / weight ratio, There is also a driving method for a gasoline engine car.

The present invention further relates to gasoline used for running an automobile equipped with a gasoline engine, wherein the amount of hydrocarbyl amide is in the range of 10 to 10000 ppm weight / weight ratio with respect to the gasoline, and per mol of hydrocarbyl amide. There is also a method for improving acceleration of a gasoline engine vehicle, which is characterized by adding an adduct to which 3 to 50 mol of alkylene oxide is added.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION The fuel additive of the present invention contains hydrocarbylamide in an amount of 3 to 3 per mol of hydrocarbylamide.
It is an adduct in which 50 mol of alkylene oxide is added.

The hydrocarbyl amides include alkyl amides having 4 to 75 carbon atoms (especially 8 to 22), and 4 to 8 carbon atoms having one or more unsaturated groups.
75 (especially 8-22) alkenyl amides are preferred. Examples of preferred alkylamides include octanamide (caprylamide), nonanamide, decane amide (caprinamide), undecane amide, dodecane amide (lauryl amide), tridecane amide, tetradecane amide (myristyl amide), pentadecane amide,
Hexadecane amide (palmityl amide), heptadecane amide, octadecane amide (stearyl amide),
Examples thereof include nonadecane amide, eicosanamide (arakylamide), and docosanamide (behenylamide). Examples of preferable alkenyl amides include palmitooleyl amide, oleyl amide, isooleyl amide, elaidyl amide, linoleyl amide, linoleyl amide and the like.

Examples of the alkylene oxide added to the hydrocarbyl amide include ethylene oxide having 2 to 5 carbon atoms, propylene oxide, butylene oxide, pentylene oxide and the like, with ethylene oxide and propylene oxide being preferred. A mixed alkylene oxide adduct obtained by adding a mixture of ethylene oxide and propylene oxide (ethylene oxide: propylene oxide = 1: 5 to 5: 1, in terms of molar ratio) to hydrocarbyl amide is also preferable.

The number of moles of alkylene oxide added to the hydrocarbyl amide is preferably in the range of 3 to 50 moles, more preferably 3 to 20 moles, relative to 1 mole of hydrocarbyl amide. More preferred is an added mole number in the range of 4 to 15 moles.

The alkylene oxide adduct of hydrocarbyl amide used as a fuel additive in the present invention is a mixture of various compounds in which various alkylene oxides are added to various hydrocarbyl amides at various addition mole numbers. May be

The fuel additive of the present invention shows a remarkable improvement in its acceleration improving performance especially when it is added to a low boiling point hydrocarbon fuel called gasoline, but other hydrocarbon fuels such as diesel fuel oil, Even when it is added to alcohol fuel, ether fuel, or various mixed fuels, the improvement of the running characteristics appears. In recent years, gasoline and diesel fuel oils tend to have a low sulfur content. For gasoline, the sulfur content tends to be 50 ppm or less, and further 10 ppm or less, but the fuel additive of the present invention is also effective when added to such low-sulfur content gasoline. Also, the lead vapor pressure of gasoline (RV
Even when P) is lowered to 65 kPa or even 60 kPa or less, the fuel additive of the present invention is effectively added to such gasoline. The fuel additive of the present invention effectively functions even in diesel fuel oil containing sulfur of 10 ppm or less.

The amount of the fuel additive of the present invention added to a standard fuel is within the range of 10 to 10,000 ppm weight / weight ratio (active ingredient ratio). The preferred range is
10 to 5000 ppm weight / weight ratio, especially 10
A range of up to 1000 ppm weight / weight ratio is preferred.

The fuel additive of the present invention is usually supplied as an organic solvent solution in which the amount of the active ingredient is 30% by weight or more. The above range of the added amount means a range of the added amount based on the amount of the active ingredient.

The method of adding the fuel additive of the present invention to the fuel is not particularly limited, but normally, a concentrated fuel additive product having an active ingredient content of 30% by weight or more is prepared and used as a fuel. The method of addition to the fuel tank of the station or the fuel tank of the car is selected.

The fuel additive of the present invention can also be used in combination with one or more other known fuel additives. Examples of such known fuel additives include detergents, rust inhibitors, antioxidants, metal deactivators, corrosion inhibitors, demulsifiers, antistatic agents, antifog agents, cosolvents, and the like. You can Examples of detergents that can be used in combination with the fuel additive of the present invention include dodecylphenyl polyoxybutylene ethylene diamine carbamate, a composition of polyisobutenyl ethylene amine and dodecyl phenyl polyoxybutylene monool, dodecyl phenyl polyoxy. Butylene monoamine, a composition of p-aminobenzoic acid ester of polyisobutenylphenol ethylene carbonate and polyoxypropylene glycol monobutyl ether, and p-aminobenzoic acid ester of dodecylphenyl polyoxybutylene monoamine and polyisobutenylphenol ethylene carbonate And the like. These detergents are usually added to the fuel in an amount of 10 to 300 mg / L.

[0022]

[Example] [Test method for acceleration evaluation] Toyota Camry 18
00cc 5MT (model E-SV40 engine model 4S
-With FE knock sensor) is installed on the chassis dynamo and operated at a constant speed of 20 km / hour. From this state, the throttle is fully opened to accelerate, and the time required to reach 110 km / h is measured. This measurement is repeated 10 times for the same fuel, and the average value of the 10 measured values is taken as the acceleration time. In addition, considering the conditions such as temperature and atmospheric pressure that affect the acceleration, the acceleration evaluation test is conducted on the same day.
It was carried out continuously.

Example 1 Gasoline (property:
Density (15 ° C.): 0.7389 g / cm ³ , Reid vapor pressure: 60.5 KPa, octane number: 90.2 (RO
N), 82.3 (MON), aromatic content (volume%): 2
9.9, olefin content (volume%): 15.6, 10% distillation temperature (° C): 50.0, 50% distillation temperature (° C): 9
2.0, 90% distillation temperature (° C): 169.5),
An oleylamide / ethylene oxide 5 mol adduct was added to this gasoline at a rate of 100 mg / L to prepare an additive-containing fuel composition. Fuel composition containing the above additive, and gasoline containing no additive (the same as above)
For this, an acceleration evaluation test was carried out by the above method. The results are shown in Table 1.

[0024]

[Table 1]                                 Table 1 ────────────────────────────────────       Test fuel oil acceleration time [20 → 110km / h] ────────────────────────────────────   Additive-free gasoline (Comparative example) 24.91 seconds ────────────────────────────────────   Additive-containing fuel composition 24.69 seconds ────────────────────────────────────

From the difference in acceleration time shown in Table 1, it is clear that the addition of the additive of the present invention to the fuel improves the acceleration performance. The difference in acceleration time shown in Table 1 of the present invention is apparently a small value (about 2%), but this difference is clear especially in the case of a car race for speed. Becomes In addition to car racing,
On highways, etc., there may be cases where it is necessary to perform rapid acceleration in order to avoid a car accident due to a sudden event, but even in such a case, even if the acceleration is slightly improved, Very important.

[Example 2] The same gasoline as that used in Example 1 was selected, and coconut oil fatty acid diethanolamide / propylene oxide 4 mol adduct was added to this gasoline at a rate of 100 mg / L to prepare an additive. A fuel composition containing was prepared. With respect to the additive-containing fuel composition and the gasoline containing no additive (the same as above), an acceleration evaluation test was carried out by the above method. The results are shown in Table 2.

[0027]

[Table 2]                                 Table 2 ────────────────────────────────────       Test fuel oil acceleration time [20 → 110km / h] ────────────────────────────────────   Additive-free gasoline (Comparative example) 24.51 seconds ────────────────────────────────────   Additive-containing fuel composition 24.38 seconds ────────────────────────────────────

From the difference in acceleration time shown in Table 2, it is clear that the acceleration performance is improved by adding the additive of the present invention to the fuel, as in Example 1.

[Example 3] The same gasoline as that used in Example 1 was selected, and coconut oil fatty acid diethanolamide / propylene oxide 10 mol adduct was added to this gasoline at a rate of 100 mg / L to prepare an additive. A fuel composition containing was prepared. For the above additive-containing fuel composition and gasoline containing no additive (the same as above),
The acceleration evaluation test was carried out by the above method. The results are shown in Table 3.

[0030]

[Table 3]                                 Table 3 ────────────────────────────────────       Test fuel oil acceleration time [20 → 110km / h] ────────────────────────────────────   Additive-free gasoline (Comparative example) 24.85 seconds ────────────────────────────────────   Additive-containing fuel composition 24.74 seconds ────────────────────────────────────

From the difference in acceleration time shown in Table 3, it is clear that the acceleration performance is improved by adding the additive of the present invention to the fuel, as in Example 3.

[0032]

[Effect of the Invention] When an automobile is run using a fuel such as gasoline to which the additive of the present invention is added, the running characteristics, especially the accelerating property are improved. Further, when a vehicle is run using a fuel such as gasoline to which the additive of the present invention is added,
Since the combustibility is improved, the engine rotation during idling is stable, and engine vibration and noise are reduced.
Further, there is an effect that the engine output is improved and the amount of unburned gas (HC) in the exhaust gas is reduced especially at the time of low temperature starting.

Claims (16)

[Claims] 1. A fuel for an automobile, which is 10 to 10% of the fuel.
An amount within the range of 10000 ppm weight / weight ratio,
A fuel oil composition comprising a hydrocarbyl amide and an adduct in which 3 to 50 mol of alkylene oxide is added per mol of hydrocarbyl amide. 2. The fuel oil composition according to claim 1, wherein the alkylene oxide adduct of hydrocarbyl amide is an alkylene oxide adduct of an alkylamide or alkenylamide having 4 to 50 carbon atoms. 3. The fuel oil composition according to claim 1, wherein the alkylene oxide adduct of hydrocarbyl amide is an alkylene oxide adduct of alkyl amide or alkenyl amide having 10 to 30 carbon atoms. 4. The amount of alkylene oxide added is 3 to 20 mol per mol of hydrocarbyl amide.
The fuel oil composition according to item 1. 5. The fuel oil composition according to claim 1, wherein the alkylene oxide is ethylene oxide, propylene oxide, butylene oxide, or a mixture thereof. 6. The fuel for automobiles is gasoline.
The fuel oil composition according to item 1. 7. The addition amount of alkylene oxide of hydrocarbyl amide to an automobile fuel is 10 to 5000.
The fuel oil composition according to claim 1, wherein the amount is within the range of ppm weight / weight ratio. 8. A fuel oil additive comprising an adduct of hydrocarbyl amide with 3 to 50 moles of alkylene oxide added per mole of hydrocarbyl amide. 9. The fuel oil additive according to claim 8, wherein the alkylene oxide adduct of hydrocarbyl amide is an alkylene oxide adduct of an alkyl amide or alkenyl amide having 4 to 50 carbon atoms. 10. The fuel oil additive according to claim 8, wherein the alkylene oxide adduct of hydrocarbyl amide is an alkylene oxide adduct of alkyl amide or alkenyl amide having 10 to 30 carbon atoms. 11. The fuel oil additive according to claim 8, wherein the amount of the alkylene oxide added is 3 to 20 mol per mol of the hydrocarbyl amide. 12. The fuel oil additive according to claim 8, wherein the alkylene oxide is ethylene oxide, propylene oxide, butylene oxide, or a mixture thereof. 13. A vehicle equipped with a gasoline engine is supplied with gasoline, and the amount of gasoline is 10 to 10,000.
3-5 per mole of hydrocarbyl amide, in an amount within the ppm weight / weight ratio range.
A method of driving a gasoline engine vehicle, comprising driving using a gasoline composition to which an adduct having 0 mol of alkylene oxide added is added. 14. The gasoline engine according to claim 13, wherein the alkylene oxide is added in an amount of 3 to 20 mol per mol of hydrocarbylamide, and the alkylene oxide is ethylene oxide, propylene oxide, butylene oxide, or a mixture thereof. How to drive a car. 15. Gasoline used for running an automobile equipped with a gasoline engine, and 10 to 1 of the gasoline.
Improvement in acceleration of a gasoline engine vehicle, characterized in that an adduct in which 3 to 50 mol of alkylene oxide is added to 1 mol of hydrocarbylamide is added to hydrocarbylamide in an amount within a range of 0000 ppm weight / weight ratio. Method. 16. The gasoline engine according to claim 15, wherein the alkylene oxide is added in an amount of 3 to 20 mol per mol of the hydrocarbyl amide, and the alkylene oxide is ethylene oxide, propylene oxide, butylene oxide, or a mixture thereof. How to improve the acceleration of a car.