CN101665732A - Cleaning dispersant for gasoline - Google Patents
Cleaning dispersant for gasoline Download PDFInfo
- Publication number
- CN101665732A CN101665732A CN200910018594A CN200910018594A CN101665732A CN 101665732 A CN101665732 A CN 101665732A CN 200910018594 A CN200910018594 A CN 200910018594A CN 200910018594 A CN200910018594 A CN 200910018594A CN 101665732 A CN101665732 A CN 101665732A
- Authority
- CN
- China
- Prior art keywords
- gasoline
- dispersant
- rust
- cleaning dispersant
- cleaning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002270 dispersing agent Substances 0.000 title claims abstract description 36
- 238000004140 cleaning Methods 0.000 title claims abstract description 29
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 28
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- PSHKMPUSSFXUIA-UHFFFAOYSA-N n,n-dimethylpyridin-2-amine Chemical compound CN(C)C1=CC=CC=N1 PSHKMPUSSFXUIA-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000839 emulsion Substances 0.000 claims abstract description 12
- 239000003112 inhibitor Substances 0.000 claims description 13
- 230000003647 oxidation Effects 0.000 claims description 13
- 238000007254 oxidation reaction Methods 0.000 claims description 13
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 claims description 12
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical group CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 7
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 241000220324 Pyrus Species 0.000 claims description 4
- 235000021017 pears Nutrition 0.000 claims description 4
- 150000005846 sugar alcohols Chemical class 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 19
- 229910052799 carbon Inorganic materials 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 10
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000000746 purification Methods 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- 239000012459 cleaning agent Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000005303 weighing Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- KNFSYBBOWLKFKX-UHFFFAOYSA-N 3-chloro-n,n-dimethylpyridin-4-amine Chemical compound CN(C)C1=CC=NC=C1Cl KNFSYBBOWLKFKX-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920002552 poly(isobornyl acrylate) polymer Polymers 0.000 description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 239000007868 Raney catalyst Substances 0.000 description 1
- 229910000564 Raney nickel Inorganic materials 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002816 fuel additive Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- -1 small molecules amine Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention relates to a cleaning dispersant for gasoline, which can effectively prevent and reduce the accumulated carbon in the intake valve of a gasoline engine. The dispersant comprises the following components in portions by weight: 60-80 portions of benzoyl polyisobutene dimethylamino pyridine with high surface activity and 13-35 portions of N, N-dihydroxide ethidealkylamide. In order to achieve the best effect, the dispersant of the invention also comprises an antioxidant, an antirusting agent and an emulsion splitter. The dispersant of the invention can prevent the accumulated carbonfrom forming, remove the formed accumulated carbon and effectively prevent and remove the accumulated carbon in the intake valve of a gasoline engine.
Description
Technical field
The invention belongs to field of fuel additives, be specifically related to a kind of cleaning dispersant for gasoline, it can effectively prevent and reduce gasoline engine inlet-air valve carbon-collecting problem.
Background technology
Automobile is in running status, engine since the oxygen supply deficiency can not perfect combustion, stagnate behind the flame-out of engine and deposit gasoline volatilization wax and the colloid problems such as hardening, oil quality of being heated and can form carbon deposit, carbon deposit is very big to engine works better influence, and valve-closing is tight such as causing, intake valve or vent valve gas leakage, pinking etc.At present, the effective measure of solution carbon-collecting problem are to add purification agent in gasoline.
The motor car engine carbon deposit purification agent of Chu Shouing can be divided into conventional amine type and aggretion type purification agent basically according to service condition in the market.The problem that conventional type small molecules amine purification agent exists has: poor heat stability and can not control carbon deposit and sedimentary generation effectively under the hot conditions.Aggretion type purification agent thermostability at high temperature is than conventional amine type purification agent Heat stability is good, and the effect aspect control carbon deposit and throw out is more obvious.The aggretion type purification agent is mainly based on the research of PIBA, add carrier oil, carry oil, solvent oil with the PIBA that makes, stoppers etc. prepare the method for gasoline cleaning agent, though and this type of gasoline cleaning agent can reach the purpose of removing carbon deposit, but still there is the problem of removing gasoline engine inlet-air valve carbon deposit DeGrain.
Summary of the invention
For solving the problem of present gasoline cleaning agent at control carbonizing of engine and throw out DeGrain, guarantee the cleaning of engine, ensure the running that it is good, the invention discloses a kind of cleaning dispersant for gasoline that can effectively remove engine chamber and intake valve carbon deposit.
Cleaning dispersant for gasoline of the present invention includes benzoyl polyisobutene Dimethylamino pyridine with high surface of 60-80 part (weight) and the N of 13-35 part (weight), N-double hydroxyethyl alkylamide, the structural formula of benzoyl polyisobutene Dimethylamino pyridine is as follows:
Wherein, m is 5～27 integer.
Benzoyl polyisobutene Dimethylamino pyridine in the cleaning dispersant for gasoline of the present invention is specific aminated compounds, and its molecular structure contains the polar group and the non-polar group part of structure uniqueness.Polar group has very strong adsorptive power to established settling and carbon deposit in the fuel oil atomizer of motor car engine, the intake valve.Gasoline cleaning agent is adsorbed on settling and carbon deposit surface, makes settling and carbon deposit slowly become loose, and is molecule and is washed down.These small-particles are surrounded by polar group, form electric double layer and are scattered in the oil, have stoped small-particle further to assemble the formation macrobead and have been deposited on the metallic surface.Some are mixed in the particulate compounds that is insoluble in gasoline in the settling and then are solubilized in the gasoline by the gasoline cleaning agent encirclement.Non-polar group then solves the problems of dissolution of gasoline cleaning agent in gasoline.
N in the cleaning dispersant for gasoline of the present invention, N-double hydroxyethyl alkylamide is a nonionogenic tenside, has collaborative carbon deposit and sedimental effect of removing in the engine with the benzoyl polyisobutene Dimethylamino pyridine.
Described benzoyl polyisobutene Dimethylamino pyridine is by chlorinated benzene formyl and α ethylene linkage content being not less than 85% high-activity polyisobutene 80-150 ℃ of reaction 1-4 hour down, get benzoyl polyisobutene, the airtight logical hydrogen under the effect of Raney nickel catalyzator with prepared benzoyl polyisobutene and 3-chloro-4-Dimethylamino pyridine then, in 150-260 ℃, 5.0-20.0Mpa carried out under the condition aminating reaction 2-5 hour, through cooling, filter distillation, dehydration and the polymkeric substance that obtains;
For making the present invention reach better effect, cleaning dispersant for gasoline of the present invention also comprises oxidation inhibitor, rust-preventive agent and emulsion splitter, and each composition weight is composed as follows:
Benzoyl polyisobutene Dimethylamino pyridine 60-80 part
N, N-double hydroxyethyl alkylamide 13-35 part
Oxidation inhibitor 0.8-4.9 part
Rust-preventive agent 1.0-4.9 part
Emulsion splitter 1.2-4.0 part;
Wherein oxidation inhibitor is 2,6 ditertiary butyl p cresol or the commercially available 44PD of typical case; Rust-preventive agent is dehydration pears sugar alcohol trioleate or sorbitan mono-oleic acid ester; Emulsion splitter is commercially available SP169, AE-8051 or BP-5921 of typical case;
The oxidation inhibitor of cleaning dispersant for gasoline of the present invention is preferably 2,6 ditertiary butyl p cresol, and rust-preventive agent is preferably sorbitan mono-oleic acid ester, and emulsion splitter is preferably SP169.
Cleaning dispersant for gasoline of the present invention is to take by weighing required component by weight proportion, at room temperature mixes, and stirring forms.
Cleaning dispersant for gasoline of the present invention can prevent formation of carbon and remove the carbon deposit that has formed, effectively stop and remove the appearance of gasoline engine inlet-air valve carbon deposit, improved the quality of gasoline relatively, guarantee the cleaning of engine and good running thereof, reduced the discharging of harmful tail gas of causing because of gasoline combustion is insufficient such as CO etc.Cleaning dispersant for gasoline of the present invention adds in the marketable gasolines according to the addition of 120-260PPM, according to GB the method for T19230 carry out test comparison with the marketable gasolines of not adding detergent-dispersant additive, add cleaning dispersant for gasoline of the present invention and can remove and reach 90% engine intake valve carbon deposit.
Embodiment
Following specific embodiment is to flesh and blood further instruction of the present invention, does not limit the present invention.
Embodiment 1
The preparation of benzoyl polyisobutene Dimethylamino pyridine:
With 120g chlorinated benzene formyl and 355g α ethylene linkage content is that 90% high-activity polyisobutene adds in the reactor 120 ℃ of reactions 4 hours down, the 380g benzoyl polyisobutene; The airtight logical hydrogen under the effect of 30gRaney nickel catalyzator with prepared 380g benzoyl polyisobutene and 45g 3-chloro-4-Dimethylamino pyridine, in 200 ℃, 10.0Mpa reaction is 3 hours under the condition, through cooling, filter distillation, dewater the benzoyl polyisobutene Dimethylamino pyridine.
Embodiment 2
Use the high activity surface agent benzoyl polyisobutene Dimethylamino pyridine of embodiment 1 preparation, add auxiliary agent N, N-double hydroxyethyl alkylamide.Take by weighing 78 parts benzoyl polyisobutene Dimethylamino pyridine according to part by weight, 13 parts N, N-double hydroxyethyl alkylamide at room temperature mixes, evenly stir after stable cleaning dispersant for gasoline of the present invention.
The addition of this detergent-dispersant additive according to 200ppm added in commercially available 93#, the 97# gasoline, carry out road test after, the every physical and chemical index that detects gasoline all meets the GB17930-2006 requirement, detected result such as table 1:
Table 1
IVD-intake valve settling; The CCD-combustion chamber deposit; PFI-nozzle place settling
Embodiment 3
Use the benzoyl polyisobutene Dimethylamino pyridine of embodiment 1 preparation, prepare cleaning dispersant for gasoline of the present invention, the weight percent of each component is as follows:
65 parts of benzoyl polyisobutene Dimethylamino pyridines
N, 35 parts of N-double hydroxyethyl alkylamides
0.8 part of oxidation inhibitor 2,6 ditertiary butyl p cresol
1.8 parts of rust-preventive agent dehydration pears sugar alcohol trioleates
169 2.2 parts of de-emulsifier SPs
Above-mentioned required component is proportionally taken by weighing, at room temperature mix, get cleaning dispersant for gasoline of the present invention after evenly stirring is stablized.
The addition of this detergent-dispersant additive according to 250ppm added in commercially available 93#, the 97# gasoline, carry out road test after, the every physical and chemical index that detects gasoline all meets the 6B17930-2006 requirement, detected result such as table 2:
Table 2
IVD-intake valve settling; The CCD-combustion chamber deposit; PFI-nozzle place settling
Embodiment 4
Use the benzoyl polyisobutene Dimethylamino pyridine of embodiment 1 preparation, prepare cleaning dispersant for gasoline of the present invention, the weight percent of each component is as follows:
80 parts of benzoyl polyisobutene Dimethylamino pyridines
N, 25 parts of N-double hydroxyethyl alkylamides
1.7 parts of oxidation inhibitor 2,6 ditertiary butyl p cresol
2.1 parts of rust-preventive agent sorbitan mono-oleic acid esters
169 1.2 parts of de-emulsifier SPs
Above-mentioned required component is proportionally taken by weighing, at room temperature mix.Get cleaning dispersant for gasoline of the present invention after evenly stirring is stablized.
The addition of this detergent-dispersant additive according to 210ppm added in commercially available 93#, the 97# gasoline, carry out road test after, the every physical and chemical index that detects gasoline all meets the GB17930-2006 requirement, detected result such as table 3:
Table 3
IVD-intake valve settling; The CCD-combustion chamber deposit; PFI-nozzle place settling
Embodiment 5
Use the benzoyl polyisobutene Dimethylamino pyridine of embodiment 1 preparation, prepare cleaning dispersant for gasoline of the present invention, the weight percent of each component is as follows:
80 parts of benzoyl polyisobutene Dimethylamino pyridines
N, 25 parts of N-double hydroxyethyl alkylamides
3.5 parts of oxidation inhibitor 44PD
4.9 parts of rust-preventive agent dehydration pears sugar alcohol trioleates
4 parts of emulsion splitter BP-5921
Above-mentioned required component is proportionally taken by weighing, at room temperature mix.Get cleaning dispersant for gasoline of the present invention after evenly stirring is stablized.
The addition of this detergent-dispersant additive according to 180ppm added in commercially available 93#, the 97# gasoline, carry out road test after, the every physical and chemical index that detects gasoline all meets the GB17930-2006 requirement, detected result such as table 4:
Table 4
IVD-intake valve settling; The CCD-combustion chamber deposit; PFI-nozzle place settling
Embodiment 6
Use the benzoyl polyisobutene Dimethylamino pyridine of embodiment 1 preparation, prepare cleaning dispersant for gasoline of the present invention, the weight percent of each component is as follows:
80 parts of benzoyl polyisobutene Dimethylamino pyridines
N, 25 parts of N-double hydroxyethyl alkylamides
4.9 parts of oxidation inhibitor 2,6 ditertiary butyl p cresol
1 part of rust-preventive agent sorbitan mono-oleic acid ester
3 parts of emulsion splitter AE-8051
Above-mentioned required component is proportionally taken by weighing, at room temperature mix, get cleaning dispersant for gasoline of the present invention after evenly stirring is stablized.
The addition of this detergent-dispersant additive according to 150ppm added in the commercially available 97# gasoline, carry out road test after, the every physical and chemical index that detects gasoline all meets the GB17930-2006 requirement, detected result such as table 5:
Table 5
IVD-intake valve settling; The CCD-combustion chamber deposit; PFI-nozzle place settling
Claims (4)
1. a cleaning dispersant for gasoline includes 60-80 part (weight) and has a kind of benzoyl polyisobutene Dimethylamino pyridine of structural formula (I) and the N of 13-35 part (weight), N-double hydroxyethyl alkylamide,
2. cleaning dispersant for gasoline according to claim 1, it is characterized in that also comprising oxidation inhibitor, rust-preventive agent and emulsion splitter, described component benzoyl polyisobutene Dimethylamino pyridine, N, N-double hydroxyethyl alkylamide, oxidation inhibitor, rust-preventive agent and emulsion splitter weight are composed as follows:
Benzoyl polyisobutene Dimethylamino pyridine 60-80 part
N, N-double hydroxyethyl alkylamide 13-35 part
Oxidation inhibitor 0.8-4.9 part
Rust-preventive agent 1.0-4.9 part
Emulsion splitter 1.2-4.0 part.
3. cleaning dispersant for gasoline according to claim 2 is characterized in that oxidation inhibitor is 2,6 ditertiary butyl p cresol or 44PD; Rust-preventive agent is dehydration pears sugar alcohol trioleate or sorbitan mono-oleic acid ester; Emulsion splitter is SP169, AE-8051 or BP-5921.
4. cleaning dispersant for gasoline according to claim 3 is characterized in that oxidation inhibitor is 2,6 ditertiary butyl p cresol, and rust-preventive agent is sorbitan mono-oleic acid ester, and emulsion splitter is SP169.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910018594 CN101665732B (en) | 2009-09-24 | 2009-09-24 | Cleaning dispersant for gasoline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910018594 CN101665732B (en) | 2009-09-24 | 2009-09-24 | Cleaning dispersant for gasoline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101665732A true CN101665732A (en) | 2010-03-10 |
| CN101665732B CN101665732B (en) | 2012-09-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 200910018594 Active CN101665732B (en) | 2009-09-24 | 2009-09-24 | Cleaning dispersant for gasoline |
Country Status (1)
| Country | Link |
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| CN (1) | CN101665732B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074637A (en) * | 2013-01-25 | 2013-05-01 | 吕林利 | Cleaning agent capable of cleaning carbon deposition of engine |
| CN104130810A (en) * | 2014-07-07 | 2014-11-05 | 宁夏宝塔石化科技实业发展有限公司 | High-cleaning-efficiency gasoline additive |
| CN113373436A (en) * | 2021-04-06 | 2021-09-10 | 无锡伊佩克科技有限公司 | Chromium-free passivator for hot-dip galvanized steel pipe and preparation method thereof |
| CN115161084A (en) * | 2022-07-08 | 2022-10-11 | 赵明晖 | PNF fuel additive for preventing piston ring from being stuck |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4797219A (en) * | 1987-04-24 | 1989-01-10 | Exxon Chemical Patents Inc. | Novel dispersants for oleaginous compositions |
| US6906011B2 (en) * | 2001-11-09 | 2005-06-14 | Chevron Oronite Company Llc | Polymeric dispersants prepared from copolymers of low molecular weight polyisobutene and unsaturated acidic reagent |
| CN1483792A (en) * | 2003-07-23 | 2004-03-24 | 陈占华 | Cleaning agent for fuel system of engine |
| CN101260329A (en) * | 2008-04-18 | 2008-09-10 | 东南大学 | Special-purpose polyisobutene amine for gasoline and diesel oil clean dispersing agent and preparation method thereof |
-
2009
- 2009-09-24 CN CN 200910018594 patent/CN101665732B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074637A (en) * | 2013-01-25 | 2013-05-01 | 吕林利 | Cleaning agent capable of cleaning carbon deposition of engine |
| CN104130810A (en) * | 2014-07-07 | 2014-11-05 | 宁夏宝塔石化科技实业发展有限公司 | High-cleaning-efficiency gasoline additive |
| CN113373436A (en) * | 2021-04-06 | 2021-09-10 | 无锡伊佩克科技有限公司 | Chromium-free passivator for hot-dip galvanized steel pipe and preparation method thereof |
| CN115161084A (en) * | 2022-07-08 | 2022-10-11 | 赵明晖 | PNF fuel additive for preventing piston ring from being stuck |
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| Publication number | Publication date |
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