CN101230298A - Petrol detergent capable of remarkably reducing deposit of gasoline engine combustion chamber - Google Patents
Petrol detergent capable of remarkably reducing deposit of gasoline engine combustion chamber Download PDFInfo
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- CN101230298A CN101230298A CNA2007101523887A CN200710152388A CN101230298A CN 101230298 A CN101230298 A CN 101230298A CN A2007101523887 A CNA2007101523887 A CN A2007101523887A CN 200710152388 A CN200710152388 A CN 200710152388A CN 101230298 A CN101230298 A CN 101230298A
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Abstract
The invention relates to a gasoline detergent which can notably reduce deposited matters in the firebox of the gasoline motor. The detergent includes a high-surfactivity polyether amine, a kind of polyether carrier liquid with excellent oil solubility and functional agents of cosolvent, antioxidant, anti-rust agent, preservative and demulsifier thereof. The weigh percentages of the above components are that polyether amine is 40-50 percent; polyether carrier liquid is 40-50 percent; cosolvent and other functional agents are 5-20 percent. When 250-500ppm dosage of the detergent of the invention is added into the commercial car gasoline, not only the oil nozzle and the air inlet valve in the fuel gas inlet system of the motor of the car can be inhibited and cleaned, but also the deposited matters in the firebox of the gasoline motor can be obviously reduced. The increment of deposited matters of the car gasoline using the detergent of the invention in the firebox can be 70 percent above less than the increment of deposited matters of the car gasoline containing the detergent on the market in the firebox.
Description
Technical field
The present invention relates to a kind of motor spirit purification agent and preparation method thereof.This purification agent with the good polyethers of the polyetheramine of high surface and oil soluble for mainly containing effective constituent.The invention still further relates to the purposes of this purification agent in motor spirit.
Background technology
Along with rapid development of automobile industry, the recoverable amount of China's automobile is increasing sharply.Being accompanied by automobile produces, when life brings convenience, has also strengthened consumption of petroleum resources and tail gas emission of harmful substances to people.How to allow motor car engine be in good work condition state for a long time, fuel gasoline is burnt fully, reduce oil consumption, improve discharging.This just necessarily requires the fuel oil inlet system of motor car engine to keep clean for a long time.For this reason, in the motor spirit that uses, must add gasoline cleaning agent.
Yet, mainly containing effective constituent among disclosed at present motor spirit purification agent such as CN1133873A, CN1167136A, the CN1227866A is polyisobutene succinimide, common PIBA and mineral oil carrier fluid, such gasoline cleaning agent has good keeping a public place clean and cleanup action to petrolic oil nozzle, intake valve, can effectively suppress and clean petrol engine and form carbon distribution at these positions.But such gasoline cleaning agent is brought the carbon distribution that washes down in the fuel oil inlet system into combustion chamber.Usually, during total sedimental standard bench testing, compare, contain such marketable gasolines purification agent, the settling of combustion chamber is obviously increased with the basic motor spirit that does not contain purification agent in implementation evaluation intake valve and combustion chamber.Clearly stipulate to contain the motor spirit of purification agent in motor spirit purification agent GB GB19592-2004, through engine rig test, the total settling in the combustion chamber contrasts basic motor spirit increasing amount must not surpass 40%.At present, the marketable gasolines purification agent that adds in China's motor spirit causes the total settling increasing amount in combustion chamber in the 20-30% level.To this, at US 6,136, existing clear and definite elaboration in 051 patent.
The total settling of gasoline engine combustion chamber significantly increases, the compression ratio of engine is increased, and be difficult for heat radiation, to cause compression end of a period gas temperature rising in the combustion chamber, OR Octane Requirements (ORI) increases, increase the mechanical disturbance between top land and the cylinder cap when serious, produce " carbon engine knock ", will cause that finally engine consumption increases, deterioration of emission.Seek a kind of settling that can suppress and clean the generation of vehicle fuel inlet system, can obviously reduce the total sedimental gasoline cleaning agent of automotive engine combustion chamber technical object of the present invention just again.And gasoline cleaning agent of the present invention can reduce more than 70% at the settling increment of engine chamber than present commercially available gasoline cleaning agent therefore.
Summary of the invention
The purpose of this invention is to provide a kind of gasoline cleaning agent that can remarkably reducing deposit of gasoline engine combustion chamber, this agent not only can improve the quality of motor spirit, make it more abundant in the motor car engine burning, improve thermo-efficiency, produce settling but also can suppress and clean the vehicle fuel inlet system, reduce the total settling of automotive engine combustion chamber significantly.Thereby make motor car engine be in good operation condition state for a long time, reduce oil consumption, reduce the tail gas emission of harmful substances, prolong engine work-ing life.
Gasoline cleaning agent of the present invention comprises a kind of high surface polyetheramine, polyethers that a kind of oil soluble is good and solubility promoter, oxidation inhibitor, rust-preventive agent, sanitas, breaking additive.More than the mass percent of various components be:
High surface polyetheramine 40~50%
The polyethers carrier fluid 40~50% that oil soluble is good
Solubility promoter 0~15%
Oxidation inhibitor 2~3%
Rust-preventive agent 1.0~1.5%
Sanitas 0.5~1.0%
Emulsion splitter 0.3~0.7%.
Described high surface polyetheramine structural formula is:
R is C
15~20Alkyl, aryl hydrocarbon, X is 13~17, weight-average molecular weight is at 800-1200, total amine equivalent 0.98meq/g, HLB<1.0;
The high surface polyetheramine that is suitable for can go out E from U.S. HUNTSMAN company
Series product SURFONAMINE
MNPA-1000 or B-100 buy.
The good polyethers carrier fluid of described oil soluble can be polybutylene oxide, the multipolymer of butylene oxide ring and propylene oxide, or the multipolymer of the good propylene oxide of oil soluble.Its C/O is more than 3.5, weight-average molecular weight between 800~1200, molecular weight distribution 1.06~1.08;
Described solubility promoter is selected from benzene,toluene,xylene, alkylbenzene, aromatic hydrocarbon oil, ethanol, methyl alcohol, butanols, isooctyl alcohol;
Described oxidation inhibitor is selected from commercially available T501, T502, T531, T534;
Described rust-preventive agent is selected from commercially available: T703, T706, T747, this benzene 80, this benzene 85;
Described sanitas is selected from commercially available T551, T561;
Described emulsion splitter is selected from commercially available SP169, BAKER T9310 or BAKER T9372.
Gasoline cleaning agent of the present invention adds in the commercially available motor spirit by 250-500ppm dosage; simulate the intake valve settling and adopt German NETZSCH STA409PC thermogravimetric analyzer by the GB/T19230.4 test method; simulated automotive deposition of combustion chamber of engine increment changes; is 10 ℃/minute to commercially available gasoline cleaning agent and purification agent of the present invention at temperature rise speed; under the condition by high purity nitrogen protection; carry out the residual rate contrast more than 500 ℃; gasoline cleaning agent of the present invention; can be reduced to the intake valve settling rate of descent that has commercially available gasoline cleaning agent now more than 90% from 40-60%, the total settling increment of automotive engine combustion chamber can reduce more than 70%.
Embodiment
Embodiment 1
The high surface polyetheramine that uses is the SURFONAMINE of U.S. HUNTSMAN company
B-100, oil soluble polyethers carrier fluid be C/O more than 3.5, weight-average molecular weight is at the multipolymer of the propylene oxide of 800-1200, hydrotropy, antioxygen, antirust, anticorrosion, emulsion splitter are typical commercially available prod.
The mass percent of each component is:
High surface polyetheramine 40%
Oil soluble polyethers carrier fluid 40%
Aromatic hydrocarbon oil solubility promoter 15%
T502 oxidation inhibitor 1.25%
T534 oxidation inhibitor 1.25%
T747 rust-preventive agent 1.4%
T551 sanitas 0.6%
BAKERT emulsion splitter 0.5%
With the weighing in proportion of above required component, in room temperature or be not higher than under 60 ℃ of conditions and mix, evenly stir until transparent, obtain gasoline cleaning agent of the present invention, this purification agent is added in the commercially available 93# gasoline with 450~500ppm dosage, through the check of professional inspection department, the physico-chemical analysis data of oil product all meet the GB17930-2006 requirement.Simulation intake valve settling rate of descent is 98%, and with high temperature (more than 500 ℃) thermogravimetric analysis, simulated combustion chamber settling increment changes, and will descend 90.9% than present commercially available gasoline cleaning agent, and experimental data is listed in table 1.
Embodiment 2,
Use high surface polyetheramine and the oil soluble polyethers carrier fluid of embodiment 1, repeat the preparation method of embodiment 1, the mass percent for preparing gasoline cleaning agent each component of the present invention is as follows:
High surface polyetheramine 45%
Oil soluble polyethers carrier fluid 45%
Aromatic hydrocarbon oil solubility promoter 5.0%
T502 oxidation inhibitor 1.25%
T534 oxidation inhibitor 1.25%
T747 rust-preventive agent 1.4%
T551 sanitas 0.6%
BAKERT emulsion splitter 0.5%
This gasoline cleaning agent is added in the commercially available 93# motor spirit with 350~400ppm dosage, and through the check of professional inspection department, the oil physical and chemical analysis data meet the GB17930-2006 requirement fully.Simulation intake valve settling rate of descent reaches 93%, and with high temperature (more than 500 ℃) thermogravimetric analysis, simulated combustion chamber settling increment changes, and will descend 89.01% than present commercially available gasoline cleaning agent, and experimental data is listed in table 1.
Embodiment 3,
Use high surface polyetheramine and the oil soluble polyethers carrier fluid of embodiment 1, repeat the preparation method of embodiment 1, the mass percent for preparing gasoline cleaning agent each component of the present invention is as follows:
High surface polyetheramine 47.5%
Oil soluble polyethers carrier fluid 47.5%
Aromatic hydrocarbon oil solubility promoter 0%
T502 oxidation inhibitor 1.25%
T534 oxidation inhibitor 1.25%
T747 rust-preventive agent 1.4%
T551 sanitas 0.6%
BAKERT emulsion splitter 0.5%
This gasoline cleaning agent is added in the commercially available 93# gasoline with 250~300PPM dosage, and through the check of professional inspection department, the oil product physicochemical data all meets the GB17930-2006 requirement.Simulation intake valve settling rate of descent 91%, with high temperature (more than 500 ℃) thermogravimetric analysis, simulated combustion chamber settling increment changes, and will descend 93.45% than present commercially available gasoline cleaning agent, and experimental data is listed in table 1.
Table 1
In sum, 3 Example formulations of the present invention according to dosage at 250~500ppm, are added in the at present commercially available motor spirit, and all there is tangible peace and quiet effect the fuel oil inlet system and the combustion chamber of motor car engine.Thereby, make vehicle operational mode can keep good state for a long time, fuel oil consumption can not produce too fast growth, and the tail gas hazardous emission also can reduce, and has therefore reduced the engine maintenance expense, has prolonged automotive service life.
Claims (6)
1. gasoline cleaning agent that can remarkably reducing deposit of gasoline engine combustion chamber, it is characterized in that: this agent comprises a kind of polyetheramine of high surface, polyethers that a kind of oil soluble is good and solubility promoter, oxidation inhibitor, rust-preventive agent, sanitas, breaking additive, the mass percent of above each component is:
High surface polyetheramine 40~50%
The polyethers carrier fluid 40~50% that oil soluble is good
Solubility promoter 0~15%
Oxidation inhibitor 2.0~3.0%
Rust-preventive agent 1.0~1.5%
Sanitas 0.5~1.0%
Emulsion splitter 0.3~0.7%.
Described high surface polyetheramine structural formula is:
R is C
15~20Alkyl, aryl hydrocarbon, X is 13~17, weight-average molecular weight is at 800-1200, total amine equivalent 0.98meq/g, HLB<1.0;
The good polyethers carrier fluid of described oil soluble can be polybutylene oxide, the multipolymer of butylene oxide ring and propylene oxide, or the multipolymer of the good propylene oxide of oil soluble, its C/O is more than 3.5, weight-average molecular weight between 800~1200, molecular weight distribution 1.06~1.08;
Described solubility promoter is selected from benzene,toluene,xylene, alkylbenzene, aromatic hydrocarbon oil, ethanol, methyl alcohol, butanols, isooctyl alcohol;
Described oxidation inhibitor is selected from commercially available T501, T502, T531, T534;
Described rust-preventive agent is selected from commercially available: T703, T706, T747, this benzene 80, this benzene 85;
Described sanitas is selected from commercially available T551, T561;
Described emulsion splitter is selected from commercially available SP169, BAKER T9310 or BAKER T9372.
2. gasoline cleaning agent as claimed in claim 1 is characterized in that: the mass percent of each component is:
High surface polyetheramine 40%
The polyethers carrier fluid 40% that oil soluble is good
Solubility promoter 15%
Oxidation inhibitor 2.5%
Rust-preventive agent 1.4%
Sanitas 0.6%
Emulsion splitter 0.5%.
3. gasoline cleaning agent as claimed in claim 1 is characterized in that: the mass percent of each component is:
High surface polyetheramine 45%
The polyethers carrier fluid 45% that oil soluble is good
Solubility promoter 5%
Oxidation inhibitor 2.5%
Rust-preventive agent 1.4%
Sanitas 0.6%
Emulsion splitter 0.5%
4. gasoline cleaning agent as claimed in claim 1 is characterized in that: the mass percent of each component is:
High surface polyetheramine 47.5%
The polyethers carrier fluid 47.5% that oil soluble is good
Solubility promoter 0%
Oxidation inhibitor 2.5%
Rust-preventive agent 1.4%
Sanitas 0.6%
Emulsion splitter 0.5%.
5. the preparation method of the gasoline cleaning agent of one of claim 1~4 is characterized in that: in the ratio weighing of required component, in room temperature or be not higher than under 60 ℃ of conditions and mix, evenly stir until transparent.
6. the purposes of the gasoline cleaning agent of one of claim 1~4 is characterized in that: join in the motor spirit by 250~500ppm dosage.
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CN101962586A (en) * | 2010-10-25 | 2011-02-02 | 冯明星 | Gasoline detergent prepared from aromatic amine polyoxypropylene ether |
CN101962585A (en) * | 2010-10-25 | 2011-02-02 | 冯明星 | Gasoline detergent prepared by using fatty amine polyoxypropylene ether |
CN101962584A (en) * | 2010-08-30 | 2011-02-02 | 深圳市超美化工科技有限公司 | Gasoline detergent with cleaning function and preparation method thereof |
CN102851088A (en) * | 2012-09-21 | 2013-01-02 | 深圳市沃华汽车用品有限公司 | Gasoline additive for cleaning combustion chamber deposits and its using method |
CN102051239B (en) * | 2009-10-28 | 2013-11-06 | 中国石油化工股份有限公司 | Diesel oil composition and method for improving biodiesel oxidation stability |
CN103571549A (en) * | 2012-07-30 | 2014-02-12 | 比亚迪股份有限公司 | Gasoline detergent, preparation method and applications thereof |
CN104140857A (en) * | 2014-08-01 | 2014-11-12 | 天津达威燃油科技有限公司 | Composite, energy-efficient and environment-friendly gasoline clearing agent |
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CN105441144A (en) * | 2015-12-09 | 2016-03-30 | 黑龙江省能源环境研究院 | Vehicle-use fuel oil organic ash-free efficient compound clearing agent |
CN106635198A (en) * | 2016-12-22 | 2017-05-10 | 上海灵融实业发展有限公司 | Gasoline power improving composite cleansing agent |
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CN111139142A (en) * | 2019-12-31 | 2020-05-12 | 3M中国有限公司 | Cleaning composition, fuel additive, automobile air intake system cleaning agent and using method thereof |
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CN101962584A (en) * | 2010-08-30 | 2011-02-02 | 深圳市超美化工科技有限公司 | Gasoline detergent with cleaning function and preparation method thereof |
CN101962585A (en) * | 2010-10-25 | 2011-02-02 | 冯明星 | Gasoline detergent prepared by using fatty amine polyoxypropylene ether |
CN101962586B (en) * | 2010-10-25 | 2013-11-13 | 冯明星 | Gasoline detergent prepared from aromatic amine polyoxypropylene ether |
CN101962586A (en) * | 2010-10-25 | 2011-02-02 | 冯明星 | Gasoline detergent prepared from aromatic amine polyoxypropylene ether |
CN103571549B (en) * | 2012-07-30 | 2016-03-30 | 比亚迪股份有限公司 | A kind of gasoline cleaning agent, preparation method and its usage |
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CN104745252A (en) * | 2015-04-14 | 2015-07-01 | 王军 | High-activity compound modified additive of methanol gasoline for automobile and preparation process thereof |
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CN111139142A (en) * | 2019-12-31 | 2020-05-12 | 3M中国有限公司 | Cleaning composition, fuel additive, automobile air intake system cleaning agent and using method thereof |
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