KR101959604B1 - Catalyst composition for internal combustion - Google Patents
Catalyst composition for internal combustion Download PDFInfo
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- KR101959604B1 KR101959604B1 KR1020160033782A KR20160033782A KR101959604B1 KR 101959604 B1 KR101959604 B1 KR 101959604B1 KR 1020160033782 A KR1020160033782 A KR 1020160033782A KR 20160033782 A KR20160033782 A KR 20160033782A KR 101959604 B1 KR101959604 B1 KR 101959604B1
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- 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
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- C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
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- C10L1/231—Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites nitro compounds; nitrates; nitrites
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Abstract
The present invention relates to a catalyst for internal combustion engine, which comprises 2-ethylhexyl acetate, a polyalkylene glycol, a metal nitrate salt compound and polyvinyl alcohol as an ignitability improving agent, thereby improving the ignitability of combustion and improving the fuel efficiency, ≪ / RTI >
Description
The present invention relates to a catalyst composition for an internal combustion engine, and more particularly to a catalyst composition for an internal combustion engine, which comprises 2-ethylhexyl acetate, propylene glycol, a metal nitrate salt compound and polyvinyl alcohol as an ignitability improving agent, To a catalyst composition for an internal combustion engine that reduces soot of exhaust gas.
The environment in which human beings live in a rapidly changing industrial environment is becoming increasingly devastating. Especially pollution by automobile exhaust gas is recognized as one of the serious social problems that are seeking solutions around the world. In 2010, 3.2 million people died from air pollution worldwide, more than four times more than 800,000 people in 2000. According to Guardian, 2.1 million deaths in Asia as of 2010 are directly related to air pollution. The main cause of air pollution is automobile exhaust gas including diesel car exhaust and automobile exhaust gas Is a global trend, beginning in the 1970s in the US and Canada.
As environmental pollution and depletion of resources have come to the fore, there has been a continuing development of a fuel economy improving agent such as a soot reducing agent or a soot reducing agent. For example, U.S. Patent Application Publication No. 2006/0201056 discloses a technology including a fuel additive for biodiesel fuel including an aliphatic nitrate. However, the aliphatic nitrate compound has a high cetane number, but is toxic and stable There is a problem that it is not ensured and causes an environmental problem. In addition, recently developed soot reducing compositions also have a reduction degree of soot of 30 to 40% and a fuel economy improvement effect of only 5 to 10%. Development of a fuel efficiency improvement vehicle has been made, but development of a composition having an excellent effect of reducing the smoke is urgent because environmental pollution and resource depletion progress speed is remarkably fast.
SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide an internal combustion engine capable of preventing the formation of an oil film between a cylinder head, a cylinder ring and a cylinder wall generated in a cylinder mixer of an internal combustion engine, Intake valve and intake manifold, while maintaining the cylinder of the internal combustion engine clean, inducing a redox reaction of harmful substances generated in the internal combustion engine, realizing combustion close to complete combustion, An object of the present invention is to provide a catalyst composition for an internal combustion engine which is excellent in combustion ignitability and which improves fuel efficiency, thereby greatly reducing soot of exhaust gas and improving fluidity.
In order to achieve the above object, the catalyst composition for an internal combustion engine according to the present invention comprises 1 to 50 parts by weight of a polyalkylene glycol, 1 to 80 parts by weight of a metal nitrate compound, And 1 to 70 parts by weight of polyvinyl alcohol.
In the catalyst composition for an internal combustion engine according to the present invention, the polyalkylene glycol may be at least one selected from the group consisting of polyethylene glycol, polypropylene glycol and polybutylene glycol.
The weight average molecular weight of the polyalkylene glycol may be 3,000 to 50,000.
The polyalkylene glycol may be at least one selected from the group consisting of an acyl group, aldehyde group, amine group, epoxide group, isocyanate group, maleimide group, nitrophenyl carbonate group, , Succinimidyl succinate group, and succinic acid group.
In the catalyst composition for an internal combustion engine according to the present invention, the metal nitrate salt compound may be at least one selected from silver nitrate, potassium nitrate, barium nitrate, zinc nitrate, aluminum nitrate, magnesium nitrate and manganese nitrate.
In the catalyst composition for an internal combustion engine according to the present invention, the weight average molecular weight of the polyvinyl alcohol may be 2,000 to 5,000.
In the catalyst composition for an internal combustion engine according to the present invention, an alkene compound may be further included as an ignitability improver.
The catalyst composition for an internal combustion engine according to the present invention may further include at least one of an oxidation-reduction reaction promoter, a dispersant, a detergent, an abrasion inhibitor, a lubricant, a viscosity index improver, a flowability improver and an oil repellent.
In the catalyst composition for an internal combustion engine according to the present invention, the redox reaction promoter may be at least one metal selected from platinum, palladium, rhodium, cerium, lanthanum, organogermanium, titanium, silicon, tin, manganese, Metal compound.
In the catalyst composition for an internal combustion engine according to the present invention, the dispersing agent may be at least one selected from barium, magnesium, calcium, boron, imidazoline, polyalkylsuccinimide, polyalkylamine and polyetheramine.
In the catalyst composition for an internal combustion engine according to the present invention, the detergent is selected from a polybutenylcyclohexanimide compound, a polybutenylamine compound, a polyolefin, a polyamine, a butadiene styrene copolymer, a succinimide and a succinimide polyol It may be more than one kind.
In the catalyst composition for an internal combustion engine according to the present invention, the abrasion preventing agent may be at least one member selected from phosphorus, zinc, molybdenum disulfide, ethylene propylene copolymer, long chain aliphatic ester amine, fluorine compound and styrene maleate ester copolymer.
In the catalyst composition for an internal combustion engine according to the present invention, the lubricant may be at least one selected from polyethylene, benzylamine, zinc phosphate, alkenylsuccinic acid, stearic acid and polyisobutenyl.
In the catalyst composition for an internal combustion engine according to the present invention, the viscosity index improver may be at least one selected from polymethacrylate, dimethylpolysiloxane and polyacrylate.
In the catalyst composition for an internal combustion engine according to the present invention, the flowability improver may be at least one selected from ethylene-vinyl acetate copolymer (EVA), polyvinylpyrrolidone, chlorinated paraffin naphthalene condensate and chlorinated paraffin phenol condensate.
In the catalyst composition for an internal combustion engine according to the present invention, the oil-based enhancer may be at least one selected from polyphosphoric acid, amide, monoglyceride monoglyceride stearate and cetyl amine.
According to the catalyst composition for an internal combustion engine according to the present invention, it is possible to prevent the formation of an oil film between the cylinder head, the cylinder ring and the cylinder wall generated in the cylinder mixer of the internal combustion engine and to prevent the unburned hydrocarbons from entering the injector, The cylinder of the internal combustion engine is kept clean, the harmful substances are rapidly oxidized and reduced, and the ignition property of the combustion is excellent, so that the combustion process is smoothly performed.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a diagram schematically illustrating a flow of a change in combustion-treated components of an internal combustion engine equipped with a catalyst composition according to an embodiment of the present invention. Fig.
2 shows the contamination state of a sucking manifold using fuel using the catalyst compositions of Comparative Example 1 and Example 1. Fig.
FIG. 3 shows the contamination state of a sucking manifold using fuel using the catalyst compositions of Examples 1 to 4. FIG.
FIG. 4 shows contamination states of intake manifolds using fuel using the catalyst compositions of Comparative Examples 2 and 3. FIG.
5 shows the atomization of the intake system of the fuel using the catalyst compositions of Comparative Example 1 and Example 1. Fig.
6 shows the state of carbon contamination in the combustion chamber of the fuel using the catalyst composition of Comparative Example 1 and Example 1. Fig.
BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.
Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless explicitly defined otherwise.
Hereinafter, the catalyst composition for an internal combustion engine according to the present invention will be described in detail.
Internal combustion engine, the catalyst compositions according to the present invention are gasoline, diesel, and the internal combustion engine fuel consisting of LPG excellent in combustion-ignition property in the engine, the material of the hydrocarbon emissions (HC), carbon monoxide (CO), nitrogen oxides (NO X ) In order to effectively reduce the harmful gas.
More specifically, the catalyst composition for an internal combustion engine according to the present invention is prepared by mixing 1 to 50 parts by weight of a polyalkylene glycol, 1 to 80 parts by weight of a metal nitrate compound, and 1 to 50 parts by weight of a polyvinyl alcohol 1 to 70 parts by weight.
The 2-ethylhexyl acetate decomposes during fuel burning to generate free radicals to prevent ignition delay and to facilitate start-up of the engine. In addition, the 2-ethylhexyl acetate can be used for fuel efficiency And thus reduces the exhaust gas of course.
The polyalkylene glycol may be at least one member selected from the group consisting of polyethylene glycol, polypropylene glycol and polybutylene glycol, and is preferably polypropylene glycol.
The weight average molecular weight of the polyalkylene glycol is preferably 3,000 to 50,000. If the weight-average molecular weight is within the above range, it is preferable that the polyalkylene glycol is not burnt in the combustion process and thus no carbon sludge is formed.
The polyalkylene glycol may be at least one selected from the group consisting of an acyl group, aldehyde group, amine group, epoxide group, isocyanate group, maleimide group, nitrophenyl carbonate group, , Succinimidyl succinate group, and succinic acid group.
The polyalkylene glycol is used in an amount of 1 to 50 parts by weight, preferably 10 to 35 parts by weight, based on 100 parts by weight of 2-ethylhexyl acetate. Less than 1 part by weight of the polyalkylene glycol is not preferable because it may deteriorate the ignitability, , Black liquefied gas is generated at the time of deterioration at a high temperature, and carbon sludge may be formed, which is not preferable.
The metal nitrate is inexpensive and industrially readily available, does not require special reaction equipment, can produce metal nitrate under reaction conditions that can be easily controlled, and has high thermal stability, For example, 10 to 10 years), even when left in a high-temperature atmosphere, deterioration such as decomposition does not occur.
The metal nitrate salt compound may be at least one selected from silver nitrate, potassium nitrate, barium nitrate, zinc nitrate, aluminum nitrate, magnesium nitrate, and manganese nitrate.
The amount of the metal nitrate compound is 1 to 80 parts by weight, preferably 5 to 30 parts by weight, based on 100 parts by weight of 2-ethylhexyl acetate. If the amount is less than 1 part by weight, If the amount is more than 80 parts by weight, it is not preferable because it is economical because of excessive amount.
The polyvinyl alcohol is preferably a polymer mainly comprising monomer units of vinyl alcohol, especially a vinyl acetate polymer or a vinyl trifluoroacetate polymer, a vinyl formate polymer, a vinyl pivalate polymer, a t-butyl vinyl ether polymer and a tromethylsilylvinyl polymer Refers to a product obtained by hydrolyzing (esterifying) esters of other polymers such as an ether polymer, and the degree of the effect is preferably 70 mol% or more, and is a polymer material having excellent chemical resistance, light weight and excellent mechanical strength .
In the catalyst composition for an internal combustion engine according to the present invention, the weight average molecular weight of the polyvinyl alcohol may be 2,000 to 5,000.
The polyvinyl alcohol is used in an amount of 1 to 70 parts by weight, preferably 20 to 50 parts by weight, based on 100 parts by weight of 2-ethylhexyl acetate.
The catalyst composition for an internal combustion engine according to the present invention may further include an alkene compound to further improve the ignitability.
The alkene compound is excellent in burnability, is rich in hard component and wax, and has a small specific gravity. The type of the alkene compound is not particularly limited and may be at least one selected from butane, isopropylene, and isobutylene.
If the amount of the alkene compound is less than 1 part by weight, the engine explosive force is low. If the amount of the alkene compound exceeds 70 parts by weight, the knocking phenomenon occurs excessively, which may adversely affect the internal combustion engine.
The catalyst composition for an internal combustion engine according to the present invention may further include at least one of an oxidation-reduction promoter, a dispersant, a detergent, an anti-wear agent, a lubricant, a viscosity index improver, a flow improver and an oil repellent.
The oxidation-reduction promoter is a compound that prevents the temperature rise and the high viscosity and restoration function of the cylinder due to excessive air control and the gaps of the oil film cylinder of the piston. It reduces the NO x to convert it into nitrogen and oxygen. Oxygen reacts with CO to become CO 2. It can selectively reduce NO x without being disturbed by O 2 , and the NO x removal rate is very high.
That is, the redox reaction promoter is a compound that causes rapid oxidation and reduction reaction of harmful substances discharged from the internal combustion engine. The redox reaction promoter is not particularly limited, and examples thereof include platinum, palladium, rhodium, cerium, At least one metal or metal compound selected from lanthanum, organic germanium, titanium, silicon, tin, manganese, nickel and silver.
The platinum, palladium and rhodium can be used as a catalyst composition, but it is possible to remarkably increase the efficiency of the catalyst in an ionic state by using a compound in the form of coupling with chlorine, And the form of the compound in which the platinum, palladium and rhodium are combined with chlorine may be platinum chloride, palladium chloride, and rhodium chloride. Particularly, when platinum chloride is strongly acidic and diluted with distilled water, the ionization can proceed rapidly to neutral, and it is preferable that platinum chloride, palladium chloride, and rhodium chloride are in the form of hexahydrate, and specifically, platinum chloride hexahydrate H 2 PtCl 2 6H 2 O), palladium chloride hexahydrate (PdCl 2 6H 2 O) or rhodium chloride hexahydrate (RhCl 3 6H 2 O). In the case of hexavalent form, the time required for ionization in diluting the distilled water is short, which is effective to function as a catalyst.
The cerium and lanthanum may be used as the metal itself, but may also be used in the form of cerium oxide and lanthanum oxide. The cerium and lanthanum are excellent in oxygen adsorption and release ability, and are excellent in redox power against harmful substances such as hydrocarbons, carbon monoxide, and nitrogen oxides, so that the activity of the ignition improver can be further increased.
The organic germanium is preferably represented by the formula (GeCH 2 CH 2 COOH) 2 O 3 , and the purity of germanium is preferably 40 to 48%, and particularly 42.8% is most effective, but is not limited thereto. The organic germanium is water-soluble and generates a large amount of anions to neutralize the cations to prevent oxidization and to supply oxygen. In addition, organic germanium emits light when it is energized by radiation, so it acts to further strengthen the strong oxidizing power.
In the catalyst composition for an internal combustion engine according to the present invention, the dispersant disperses the non-carbonized material and the insoluble materials contained in the lubricating oil to prevent aggregation of contaminants such as sludge in the engine, neutralizes the acidic substance, The dispersing agent is not particularly limited and may be at least one selected from barium, magnesium, calcium, boron, imidazoline, polyalkylsuccinimide, polyalkylamine and polyetheramine.
The catalyst composition for an internal combustion engine according to the present invention may further contain a detergent if necessary in order to suppress or remove deposits in the injection nozzle and to prevent adhesion and precipitation of gum components and unburnt carbon by a vaporizer intake valve, an injector and the like. When the detergent is added, it is preferably added after the addition of the lubricant or simultaneously with the lubricant. The detergents prevent and reduce the formation of sediments in an engine operating at high temperatures and prevent sludge formation and sedimentation at low temperatures and have a strong affinity for dust particles deposited around the agglomerated particles in the engine, And the kind of the sludge and the varnish is controlled by the action of the surfactant. The type of the surfactant is not particularly limited and examples thereof include a polybutenylcyclohexanimide compound, a polybutenylamine compound, a polyolefin, a polyamine, a butadiene styrene copolymer, Imide, and succinimide polyol.
In the catalyst composition for an internal combustion engine according to the present invention, the abrasion preventing agent is used for inhibiting metal corrosion and oxidation softening caused by moisture and for preventing the formation of a gauze material, and also chemically reacting with the metal surface to form a protective film So that the movable parts can slide relative to each other, thereby minimizing wear.
The abrasion preventing agent is not particularly limited and may be one or more selected from, for example, phosphorus, zinc and molybdenum disulfide, ethylene propylene copolymer, long chain aliphatic ester amine, fluorine compound and styrene maleate ester copolymer.
In the catalyst composition for an internal combustion engine according to the present invention, the lubricant may be at least one selected from polyethylene, benzylamine, zinc phosphate, alkenylsuccinic acid, stearic acid and polyisobutenyl.
In the catalyst composition for an internal combustion engine according to the present invention, the viscosity index improver is used for reducing the change in viscosity of the oil with a change in temperature and improving the viscosity index. The type of the viscosity index improver is not particularly limited. For example, Polymethacrylate, dimethylpolysiloxane, and polyacrylate.
In the catalyst composition for an internal combustion engine according to the present invention, the flow improver may be used to change the crystalline form of the wax produced as a substance added to a lubricating oil for which fluidity is required, and to reduce the pour point, (Wax), which is a component for reducing the fluidity of the light oil, and dispersing the paraffin crystals in the fine particles by interfering with the growth and aggregation of the paraffin crystals so that the fuel can pass through the fuel filter, It is possible to prevent or remove sediments such as injectors, nozzles, suction valves, throttle bodies, suction manifolds, and the like, and the kind thereof is not particularly limited and examples thereof include ethylene vinyl acetate copolymer, polyvinyl pyrrolidone, Chlorinated paraffin naphthalene condensate and chlorinated paraffin phenol condensate.
In the catalyst composition for an internal combustion engine according to the present invention, the oil-based enhancer is used for reducing friction and improving oiliness, and is a compound having a straight chain, a large molecular weight and a polar group at the terminal of the molecule, And the adsorption network can serve to reduce friction. The type of the adsorption network is not particularly limited and may be at least one selected from polyphosphoric acid, amide, monoglyceride monoglyceride stearate, and cetylamine stearate .
In the catalyst composition for an internal combustion engine according to the present invention, the content of the redox reaction promoter, the detergent, the dispersant, the abrasion inhibitor, the lubricant, the viscosity index improver, the flow improver and the oil repellent may be conventionally used Preferably, the content of the redox reaction promoter is in the range of 1 to 150 parts by weight based on 100 parts by weight of the catalyst composition. If the content of the redox reaction accelerator is outside the above range, Is preferably 1 to 80 parts by weight based on 100 parts by weight of the catalyst composition. If the amount is too large, however, an effect corresponding to the amount can not be expected. On the contrary, if the amount of NO x , PM and aldehydes Etc., and the content of the dispersing agent is not preferable because the catalyst composition The content of the abrasion inhibitor is not preferable because the non-briquetting compound and the insoluble materials contained in the lubricating oil can not be dispersed properly. If the amount of the abrasion inhibitor is less than 100 parts by weight, The content of the lubricant may be in the range of 1 to 200 parts by weight based on the weight of the catalyst composition. If the content of the lubricant is outside the above range, metal corrosion is facilitated, oxidation deterioration is not inhibited, The content of the viscosity index improver is preferably in the range of 0.1 to 80 parts by weight based on 100 parts by weight of the catalyst composition. If the content of the viscosity index improver falls outside the above range, Is preferably 1 to 50 parts by weight based on 100 parts by weight of the lubricating oil. The content of the fluidity improver is preferably 1 to 50 parts by weight based on 100 parts by weight of the catalyst composition because the pour point may become too high, But it is preferably 1 to 30 parts by weight based on 100 parts by weight of the catalyst composition.
Hereinafter, the present invention will be described in detail by way of examples, but the present invention is not limited to these examples.
Example One
30 parts by weight of polypropylene (weight average molecular weight: 10,000), 8 parts by weight of zinc nitrate and 30 parts by weight of polyvinyl alcohol (weight average molecular weight: 3,000) were mixed with 100 parts by weight of 2-ethylhexyl acetate to prepare a catalyst composition, 6 parts by weight of lanthanum, 3 parts by weight of polybutenyl cyclohexaneimide, 5 parts by weight of barium, 10 parts by weight of phosphorus, 5 parts by weight of polyisobutenyl, 5 parts by weight of polyisobutenyl stearate, 5 parts by weight of monoglyceride and 5 parts by weight of polyvinylpyrrolidone were mixed in distilled water to prepare a liquid catalyst composition. The manufactured catalyst composition was mounted on the engine, and the content of the discharged material was measured after the speed of the vehicle was gradually increased to 150 km / h. At that time, the vehicle used was a 2006 Starex ambulance vehicle, using diesel as the fuel, the cumulative running distance was 135,753 Km, and the displacement amount was 2,497 cc. Results and test methods of each material were measured by ASM idling.
Example 2
30 parts by weight of an acyl group-substituted polypropylene (weight average molecular weight: 5,000), 8 parts by weight of zinc nitrate and 30 parts by weight of polyvinyl alcohol (weight average molecular weight: 3,000) were added to 100 parts by weight of 2-ethylhexyl acetate, , 6 parts by weight of lanthanum, 3 parts by weight of polybutenylamine, 1 part by weight of polyamine, 5 parts by weight of barium, 10 parts by weight of phosphorus, 5 parts by weight of polyisobutenyl, 5 parts by weight of butylglycinate monoglyceride stearate and 5 parts by weight of polyvinylpyrrolidone, respectively, in distilled water were mixed to prepare a liquid catalyst composition. A vehicle having the same conditions as in Example 1 was used to measure the content of the discharged material after the manufactured catalyst composition was mounted on the engine and the running speed of the vehicle was gradually increased to 150 km / h.
Example 3
30 parts by weight of an amine-substituted polypropylene (weight average molecular weight: 10,000), 8 parts by weight of zinc nitrate and 30 parts by weight of polyvinyl alcohol (weight average molecular weight: 3,000) were added to 100 parts by weight of 2-ethylhexyl acetate, , 6 parts by weight of lanthanum, 3 parts by weight of polybutenylamine, 1 part by weight of polyamine, 5 parts by weight of barium, 10 parts by weight of phosphorus, 5 parts by weight of polyisobutenyl, 5 parts by weight of butylglycinate monoglyceride stearate and 5 parts by weight of polyvinylpyrrolidone, respectively, in distilled water were mixed to prepare a liquid catalyst composition. A vehicle having the same conditions as in Example 1 was used to measure the content of the discharged material after the manufactured catalyst composition was mounted on the engine and the running speed of the vehicle was gradually increased to 150 km / h.
Example 4
30 parts by weight of polyethylene glycol, 8 parts by weight of manganese nitrate and 30 parts by weight of polyvinyl alcohol (weight average molecular weight: 3,000) were mixed with 100 parts by weight of 2-ethylhexyl acetate to prepare 100 parts by weight of the catalyst composition 6 parts by weight of lanthanum, 3 parts by weight of polybutenyl cyclohexaneimide, 5 parts by weight of barium, 10 parts by weight of phosphorus, 5 parts by weight of polyisobutenyl, 5 parts by weight of stearic acid butylglycinate monoglyceride, And 5 parts by weight of vinylpyrrolidone in distilled water, respectively, were mixed to prepare a liquid catalyst composition. The manufactured catalyst composition was mounted on the engine, and the content of the discharged material was measured after the speed of the vehicle was gradually increased to 150 km / h. At this time, the vehicle used was a 1997 Sonata III 1.8 vehicle, and gasoline (gasoline) was used as fuel, the cumulative running distance was 171,274 Km, and the displacement amount was 1,796 cc. Results and test methods of each material were measured by ASM idling.
Comparative Example One
The content of the discharged material was measured after the vehicle was operated while gradually increasing the speed to 150 km / h by using a vehicle having the same condition as in Example 1, except that the catalyst composition was not mounted.
Comparative Example 2
30 parts by weight of polypropylene (weight average molecular weight: 10,000), 8 parts by weight of zinc nitrate, and 20 parts by weight of polyvinyl alcohol (weight average molecular weight: 3,000) were mixed with 100 parts by weight of 2-ethylhexyl nitrate to prepare a catalyst composition , 6 parts by weight of lanthanum as an additive, 3 parts by weight of polybutenyl cyclohexaneimide, 5 parts by weight of barium, 10 parts by weight of phosphorus, 5 parts by weight of polyisobutenyl, and 5 parts by weight of butylglycine stearate 5 parts by weight of monoglyceride and 5 parts by weight of polyvinylpyrrolidone were mixed in distilled water to prepare a liquid catalyst composition. A vehicle having the same conditions as in Example 1 was used to measure the content of the discharged material after the manufactured catalyst composition was mounted on the engine and the running speed of the vehicle was gradually increased to 150 km / h.
Comparative Example 3
The catalyst composition was prepared in the same manner as in Example 1 except that polypropylene glycol was not used. Using the vehicle having the same conditions as in Example 1, while the prepared catalyst composition was mounted on the engine, Was gradually increased to 150 km / h, and the content of the discharged material was measured.
Comparative Example 4
A catalyst composition was prepared in the same manner as in Example 1, except that polypropylene glycol having a weight average molecular weight of 1,000 was used instead of polypropylene glycol having a weight average molecular weight of 10,000. Using the same conditions as in Example 1, , And the content of the discharged material was measured after the speed of the vehicle was gradually increased to 150 km / h while the manufactured catalyst composition was mounted on the engine.
Comparative Example 5
A catalyst composition was prepared in the same manner as in Example 1 except that polyvinyl alcohol was not contained. Using the vehicle having the same conditions as in Example 1, while the prepared catalyst composition was mounted on the engine, the vehicle speed Was gradually increased to 150 km / h, and the content of the discharged material was measured.
Comparative Example 6
A catalyst composition was prepared in the same manner as in Example 1, except that 100 parts by weight of polyvinyl alcohol was used instead of 30 parts by weight. Using the vehicle under the same conditions as in Example 1, The vehicle speed was gradually increased to 150 km / h, and then the amount of the discharged material was measured.
Comparative Example 7
A catalyst composition was prepared in the same manner as in Example 1 except that 70 parts by weight of polypropylene (weight average molecular weight: 10,000) was used instead of 30 parts by weight. Using the same conditions as in Example 1, , The content of the discharged material was measured after the speed of the vehicle was gradually increased to 150 km / h and operated.
Note 1) Carbon monoxide concentration emission allowance is 1.21 / 1.2% or less.
2) Hydrocarbon concentration The allowable discharge standard is 190 / 220ppm or less.
3) Nitrogen oxide concentration emission limit is less than 1,310ppm.
4) The permissible air excess rate is 0.90 ~ 1.10.
In the case of Examples 1 to 4, the conditions as the catalyst composition for an internal combustion engine are all below the emission limit of the concentration of carbon monoxide, hydrocarbon and nitrogen oxides. In the case of Comparative Examples 1 to 3 and 5, , Hydrocarbons and nitrogen oxides are exceeded, the conditions as the catalyst composition for an internal combustion engine are not satisfied.
In the case of Comparative Example 4, the content of hydrocarbons and nitrogen oxides is lower than the emission limit, but the content of carbon monoxide is 1.3 / 1.5% It is found that the allowance criteria are met but the carbon monoxide concentration emission allowance criterion is not satisfied.
Further, in the case of the comparative example 6, in the case of carbon monoxide, it is understood that the carbon monoxide emission limit criterion is satisfied, but the concentration allowance level of hydrocarbon and nitrogen oxide is not satisfied.
Also. In the case of Comparative Example 7, it is understood that the concentration allowance standards for hydrocarbon and nitrogen oxides are satisfied, but the concentration allowance standards for carbon monoxide are unsatisfactory.
Experimental Example One: Suction manifold Pollution degree
FIGS. 2 to 4 show pollution states of intake manifolds using fuel using the catalyst compositions of Comparative Examples 1 to 3 and Examples 1 to 4. In Examples 1 to 4, pollutants were cleaned and pollutants But in Comparative Example 1, the degree of contamination was extremely high. In Comparative Examples 2 and 3, it was found that there was less contaminant than Comparative Example 1, but contaminants were present.
Experimental Example 2: Pollution degree of intake system
5 shows the spraying state of the intake system of the fuel using the catalyst composition of Comparative Example 1 and Example 1. In the case of Comparative Example 1, since the impurities of the intake system and the carbon contamination accumulated by the incomplete combustion are sprayed very much On the other hand, in the case of Example 1, the carbon contamination accumulated by the impurities in the intake system and the incomplete combustion is cleanly removed by the chemical reaction, so that the efficiency increase and the soot by complete combustion are reduced.
That is, substances such as carbon and sludge of engine oil are deposited around the intake valve to obstruct the fuel atomization. If the fuel particles are uneven, fuel particles become large, and the flame propagation speed is retarded to incomplete combustion, and generation of hydrocarbon and carbon monoxide The cylinder durability of the engine is also lowered.
Experimental Example 3: Pollution degree of combustion chamber
FIG. 6 shows the state of contamination due to carbon in the combustion chamber using the fuel using the catalyst composition of Comparative Example 1 and Example 1. FIG. 6 shows the combustion chamber in a state contaminated with carbon in the case of Comparative Example 1, 1 shows the combustion chamber in which the carbon is inhibited and removed so that the nozzle is not clogged. The supplied fuel particles are uniformly sprayed in the atomized (mist) state and sprayed, so that the flame propagation speed is fast and complete combustion is performed, The exhaust gas concentration was lowered.
Experimental Example 4: Comprehensive test result
(Gasoline or LPG) containing the catalyst composition of Example 1 was installed in a small, medium, and large-sized vehicle and a certain distance (100 to 300 km) was traveled, (Exhaust emissions), output, and fuel consumption, the emission of carbon (smoke) was reduced by an average of 36.5% in each of the automobile types, and 19.7% in the case of Example 1 as compared with Comparative Example 1 in which the catalyst composition was not used Fuel efficiency improvement, 14.7% output synergistic effect, and the results are shown in Table 2 below.
(type)
(versus)
Year
(Average:%)
- 14.7% improvement in output (ps)
(25t ↑)
vehicle
· 22.63% reduction in hydrocarbons (HC)
· Reduction of nitrogen oxide (NOX) by 82.67%
Experimental Example 5
The following experiment was conducted using the fuel containing the catalyst composition of Example 1.
1) Exhaust gas measurement
As a result of analyzing the data of the diesel vehicle, the reference value of the exhaust gas emission amount was 25%. When the fuel using the catalyst composition of Example 1 was used, the measured exhaust gas emission amount was reduced to 5%.
2) Stability test
As a result of a test to find that the air ratio was changed at a constant pressure by changing the capacity of the fuel containing the catalyst composition of Example 1 and that the mixture was cleaned in a proper amount, the combustion rate was 20 to 150 km per hour, And it was confirmed to be very stable.
3) Noise measurement
Noise was measured using direct hearing. After turning on the test results and starting the vehicle, the vibration and noise were reduced, and even when accelerated to over 150km / h, the vibration and noise became more calm there was.
Claims (15)
Wherein the polyalkylene glycol is at least one member selected from the group consisting of polyethylene glycol, polypropylene glycol and polybutylene glycol.
Wherein the polyalkylene glycol has a weight average molecular weight of 3,000 to 50,000.
The polyalkylene glycol may be at least one selected from the group consisting of an acyl group, aldehyde group, amine group, epoxide group, isocyanate group, maleimide group, nitrophenyl carbonate group, , A succinimidyl succinate group, and a succinic acid group. ≪ RTI ID = 0.0 > 11. < / RTI >
Wherein the metal nitrate compound is at least one selected from silver nitrate, potassium nitrate, barium nitrate, zinc nitrate, aluminum nitrate, magnesium nitrate, and manganese nitrate.
Wherein the catalyst composition further comprises an alkene compound.
A lubricant, a viscosity index improver, a flowability improver, and an oil repellent agent, in addition to at least one of a lubricant, an oxidation-reduction promoter, a dispersant, a detergent, an abrasion inhibitor, a lubricant, a viscosity index improver,
Wherein the redox reaction promoter is at least one metal or metal compound selected from platinum, palladium, rhodium, cerium, lanthanum, organogermanium, titanium, silicon, tin, manganese, nickel and silver. .
Wherein the dispersing agent is at least one selected from barium, magnesium, calcium, boron, imidazoline, polyalkylsuccinimide, polyalkylamine and polyetheramine.
Wherein the detergent is at least one selected from a polybutenylcyclohexanimide compound, a polybutenylamine compound, a polyolefin, a polyamine, a butadiene styrene copolymer, a succinimide, and a succinimide polyol. .
Wherein the abrasion preventing agent is at least one member selected from phosphorus, zinc, molybdenum disulfide, ethylene propylene copolymer, fluorine compound and styrene maleate ester copolymer.
Wherein the lubricant is at least one member selected from the group consisting of polyethylene, benzylamine, zinc phosphate, alkenylsuccinic acid, stearic acid and polyisobutenyl.
Wherein the viscosity index improver is at least one member selected from the group consisting of polymethacrylate, dimethylpolysiloxane and polyacrylate.
Wherein the flowability-improving agent is at least one selected from ethylene-vinyl acetate copolymer, polyvinylpyrrolidone, chlorinated paraffin naphthalene condensate and chlorinated paraffin phenol condensate.
Wherein the oil-based enhancer is at least one selected from polyphosphoric acid, amide, monoglyceride monoglyceride stearic acid, and cetyl amine.
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| KR100321475B1 (en) * | 1995-07-22 | 2002-06-24 | 유승렬 | Lubricant composition for internal engine |
| US20060201056A1 (en) | 2000-04-14 | 2006-09-14 | Oryxe Energy International, Inc. | Biodiesel fuel additive |
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| KR20220146392A (en) * | 2021-01-28 | 2022-11-01 | 이광표 | Exaust gas abatement materials for internal combustion engine |
| KR102519047B1 (en) | 2021-01-28 | 2023-04-06 | 이광표 | Exaust gas abatement materials injection device for internal combustion engine |
| KR102587709B1 (en) | 2021-01-28 | 2023-10-12 | 이광표 | Exaust gas abatement materials for internal combustion engine |
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