EP4214297A1 - Aryloxy alkylamines as fuel additives for reducing injector fouling in direct injection spark ignition gasoline engines - Google Patents
Aryloxy alkylamines as fuel additives for reducing injector fouling in direct injection spark ignition gasoline enginesInfo
- Publication number
- EP4214297A1 EP4214297A1 EP21773883.0A EP21773883A EP4214297A1 EP 4214297 A1 EP4214297 A1 EP 4214297A1 EP 21773883 A EP21773883 A EP 21773883A EP 4214297 A1 EP4214297 A1 EP 4214297A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- amine
- ethyl
- hydrocarbyl
- fuel
- carbon atoms
- 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.)
- Pending
Links
- -1 Aryloxy alkylamines Chemical class 0.000 title claims abstract description 64
- 239000003502 gasoline Substances 0.000 title claims abstract description 24
- 239000002816 fuel additive Substances 0.000 title claims description 21
- 238000002347 injection Methods 0.000 title claims description 12
- 239000007924 injection Substances 0.000 title claims description 12
- 239000000203 mixture Substances 0.000 claims abstract description 83
- 239000000446 fuel Substances 0.000 claims abstract description 51
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 33
- 239000000654 additive Substances 0.000 claims abstract description 30
- 125000001183 hydrocarbyl group Chemical group 0.000 claims abstract description 23
- 230000000996 additive effect Effects 0.000 claims abstract description 19
- 239000001257 hydrogen Substances 0.000 claims abstract description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000001412 amines Chemical class 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 22
- 239000003599 detergent Substances 0.000 claims description 21
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical class O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims description 14
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 12
- 239000012141 concentrate Substances 0.000 claims description 11
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 11
- 238000009835 boiling Methods 0.000 claims description 9
- 238000006683 Mannich reaction Methods 0.000 claims description 7
- 239000007795 chemical reaction product Substances 0.000 claims description 7
- 125000003342 alkenyl group Chemical group 0.000 claims description 5
- 239000006079 antiknock agent Substances 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 239000006078 metal deactivator Substances 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 125000000547 substituted alkyl group Chemical group 0.000 claims description 2
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims 3
- 229960002317 succinimide Drugs 0.000 claims 3
- 238000012360 testing method Methods 0.000 description 24
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 18
- 125000000217 alkyl group Chemical group 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 229930195733 hydrocarbon Natural products 0.000 description 14
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 12
- 239000013618 particulate matter Substances 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 239000003921 oil Substances 0.000 description 10
- 238000010992 reflux Methods 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 229920000768 polyamine Polymers 0.000 description 9
- 239000004215 Carbon black (E152) Substances 0.000 description 8
- 150000002430 hydrocarbons Chemical class 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 125000003118 aryl group Chemical group 0.000 description 7
- 239000012043 crude product Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- IZXIZTKNFFYFOF-UHFFFAOYSA-N 2-Oxazolidone Chemical compound O=C1NCCO1 IZXIZTKNFFYFOF-UHFFFAOYSA-N 0.000 description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 5
- 239000003849 aromatic solvent Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 125000005037 alkyl phenyl group Chemical group 0.000 description 4
- 239000012267 brine Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 3
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- IEMXKEMFCFILAA-UHFFFAOYSA-N 2-docosylphenol Chemical compound CCCCCCCCCCCCCCCCCCCCCCC1=CC=CC=C1O IEMXKEMFCFILAA-UHFFFAOYSA-N 0.000 description 2
- QEMHBAGGYKJNSS-UHFFFAOYSA-N 2-icosylphenol Chemical compound CCCCCCCCCCCCCCCCCCCCC1=CC=CC=C1O QEMHBAGGYKJNSS-UHFFFAOYSA-N 0.000 description 2
- WLMABZIWETWROH-UHFFFAOYSA-N 2-tetracosylphenol Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCC1=CC=CC=C1O WLMABZIWETWROH-UHFFFAOYSA-N 0.000 description 2
- XCSZUNWWLUTCFZ-UHFFFAOYSA-N 4-docosylphenol Chemical compound CCCCCCCCCCCCCCCCCCCCCCC1=CC=C(O)C=C1 XCSZUNWWLUTCFZ-UHFFFAOYSA-N 0.000 description 2
- HMZATDUMBFNSAM-UHFFFAOYSA-N 4-icosylphenol Chemical compound CCCCCCCCCCCCCCCCCCCCC1=CC=C(O)C=C1 HMZATDUMBFNSAM-UHFFFAOYSA-N 0.000 description 2
- IGFHQQFPSIBGKE-UHFFFAOYSA-N 4-nonylphenol Chemical compound CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 2
- GDGDNECAKIDBAP-UHFFFAOYSA-N 4-tetracosylphenol Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCC1=CC=C(O)C=C1 GDGDNECAKIDBAP-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 150000003973 alkyl amines Chemical class 0.000 description 2
- IVHKZGYFKJRXBD-UHFFFAOYSA-N amino carbamate Chemical compound NOC(N)=O IVHKZGYFKJRXBD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 125000005702 oxyalkylene group Chemical group 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical class ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 description 1
- QSKPIOLLBIHNAC-UHFFFAOYSA-N 2-chloro-acetaldehyde Chemical compound ClCC=O QSKPIOLLBIHNAC-UHFFFAOYSA-N 0.000 description 1
- KJWMCPYEODZESQ-UHFFFAOYSA-N 4-Dodecylphenol Chemical compound CCCCCCCCCCCCC1=CC=C(O)C=C1 KJWMCPYEODZESQ-UHFFFAOYSA-N 0.000 description 1
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 description 1
- WVYWICLMDOOCFB-UHFFFAOYSA-N 4-methyl-2-pentanol Chemical compound CC(C)CC(C)O WVYWICLMDOOCFB-UHFFFAOYSA-N 0.000 description 1
- 101100495914 Arabidopsis thaliana ETL1 gene Proteins 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical class ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001414 amino alcohols Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000004104 aryloxy group Chemical group 0.000 description 1
- CREXVNNSNOKDHW-UHFFFAOYSA-N azaniumylideneazanide Chemical group N[N] CREXVNNSNOKDHW-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000002462 imidazolines Chemical class 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 229960001124 trientine Drugs 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/2222—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/02—Use of additives to fuels or fires for particular purposes for reducing smoke development
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/04—Use of additives to fuels or fires for particular purposes for minimising corrosion or incrustation
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/223—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/224—Amides; Imides carboxylic acid amides, imides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/23—Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites
- 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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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/2383—Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C)
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/2383—Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C)
- C10L1/2387—Polyoxyalkyleneamines (poly)oxyalkylene amines and derivatives thereof (substituted by a macromolecular group containing 30C)
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10L2200/00—Components of fuel compositions
- C10L2200/04—Organic compounds
- C10L2200/0407—Specifically defined hydrocarbon fractions as obtained from, e.g. a distillation column
- C10L2200/0415—Light distillates, e.g. LPG, naphtha
- C10L2200/0423—Gasoline
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
- C10L2230/08—Inhibitors
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- 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
- C10L2270/00—Specifically adapted fuels
- C10L2270/02—Specifically adapted fuels for internal combustion engines
- C10L2270/023—Specifically adapted fuels for internal combustion engines for gasoline engines
Definitions
- This disclosure relates to fuel additives and fuel compositions containing the same. More specifically, this disclosure describes compositions and methods for controlling deposit formation in direct injection spark ignition gasoline engines.
- a fuel composition comprising gasoline; and aryloxy alkylamine additive having the following structure: wherein the aryloxy alkylamine additive is present in about 10 to about 750 ppm by weight based on total weight of the fuel composition; wherein X is a hydrocarbyl group having 1 or 2 carbon atoms; and wherein R 1 and R 2 are independently hydrogen or hydrocarbyl group having up to 36 carbon atoms.
- a concentrate composition comprising about 0 to 90 wt % of an organic solvent boiling in a range of from 65°C to 205°C and about 10 to 100 wt % of a fuel additive comprising: an aryloxy alkylamine given by formula wherein X is a hydrocarbyl group having 1 or 2 carbon atoms; and wherein R 1 and R 2 are independently hydrogen or substituted hydrocarbyl group having up to 36 carbon atoms.
- a method of reducing injector fouling in a direct injection spark ignition gasoline engine comprising providing a gasoline composition comprising: aryloxy alkylamine additive having the following structure wherein the aryloxy alkylamine additive is present in about 10 to about 750 ppm by weight based on total weight of the fuel composition; wherein X is a hydrocarbyl group having 1 or 2 carbon atoms; and wherein R 1 and R 2 are independently hydrogen, substituted alkyl or alkenyl group having up to 36 carbon atoms.
- FIG. 1 shows a graph described in the Examples.
- FIGS. 2A-2C show photographs described in the Examples.
- the present invention describes compositions and methods for deposit control in direct injection engines. More specifically, the present invention provides detergent additive compositions that can be utilized as components of fuel compositions and methods of using the compositions thereof.
- the fuel composition of the present invention comprises (i) a hydrocarbon-based fuel; and (ii) an aryloxy alkylamine fuel additive.
- the fuel composition may comprise a secondary fuel additive.
- the hydrocarbon-based fuel includes gasoline and diesel.
- Gasoline fuel refers to a composition containing at least predominantly C4-C12 hydrocarbons.
- gasoline or gasoline boiling range components is further defined to refer to a composition containing at least predominantly C4-C12 hydrocarbons and further having a boiling range of from about 37.8°C (100°F) to about 204°C (400°F).
- gasoline is defined to refer to a composition containing at least predominantly C4-C12 hydrocarbons, having a boiling range of from about 37.8°C (100°F) to about 204°C (400° F), and further defined to meet ASTM D4814.
- Diesel fuel refers to middle distillate fuels containing at least predominantly C10-C25 hydrocarbons.
- diesel is further defined to refer to a composition containing at least predominantly C10-C25 hydrocarbons, and further having a boiling range of from about 165.6°C (330°F) to about 371.1°C (700°F).
- diesel is as defined above to refer to a composition containing at least predominantly C10-C25 hydrocarbons, having a boiling range of from about 165.6°C (330°F) to about 371.1°C (700°F), and further defined to meet ASTM D975.
- the hydrocarbon-based fuel is present in a major amount by weight % of the total fuel composition.
- the hydrocarbon-based fuel is present in about 50 wt% or greater, 55 wt% or greater, 60 wt% or greater, 65 wt% or greater, 70 wt% or greater, 75 wt% or greater, 80 wt% or greater, 85 wt% or greater, 90 wt% or greater, 95 wt% or greater or between any range from about 50 wt% to up to below 100 wt%.
- the gasoline employed in the present invention may be clean burning gasoline (CBG).
- CBG refers to gasoline formulations that contain reduced levels of sulfur, aromatics and olefins. The exact formulation may vary depending on local regulatory definitions.
- a fuel-soluble, non-volatile carrier fluid or oil may also be used with compounds of this disclosure.
- the carrier fluid is a chemically inert hydrocarbon- soluble liquid vehicle which substantially increases the non-volatile residue (NVR), or solvent-free liquid fraction of the fuel additive composition while not overwhelmingly contributing to octane requirement increase.
- the carrier fluid may be a natural or synthetic oil, such as mineral oil, refined petroleum oils, synthetic polyalkanes and alkenes, including hydrogenated and unhydrogenated polyalphaolefins, synthetic polyoxyalkylene-derived oils, such as those described in U.S. Patent Nos. 3,756,793; 4,191,537; and 5,004,478; and in European Patent Appl. Pub. Nos. 356,726 and 382,159.
- the carrier fluids may be employed in amounts ranging from 35 to 5000 ppm by weight of the hydrocarbon fuel (e.g., 50 to 3000 ppm of the fuel). When employed in a fuel concentrate, carrier fluids may be present in amounts ranging from 20 to 60 wt % (e.g., 30 to 50 wt %).
- the aryloxy alkylamine fuel additive of the present invention reduces injector fouling in a direct injection spark ignition gasoline engine.
- the additive is a nitrogen-containing detergent having the following formula:
- R 1 and R 2 are independently hydrogen, or a hydrocarbyl group having up to 36 carbon atoms.
- R 2 can be positioned at the ortho- or meta- position with respect to the oxygen atom.
- X is a hydrocarbyl group having 1 or 2 carbon atoms. X may be saturated or unsaturated. In some embodiments, it may be preferable for one of R 1 or R 2 to be a hydrocarbyl group and the other to be a hydrogen.
- the hydrocarbyl group is an alkyl group or an alkenyl group.
- Alkyl groups refer to saturated hydrocarbyl groups, which can be linear, branched, cyclic, or a combination of cyclic, linear and/or branched.
- Alkenyl groups refer to unsaturated hydrocarbyl groups, which can be linear, branched, cyclic, or a combination of cyclic, linear and/or branched.
- Suitable examples of aryloxy alkylamines include, but are not limited to, 2-(phenoxy)ethyl-1 -amine, 2-(4-butylphenoxy)ethyl-1 -amine, 2-(4- octylphenoxy)ethyl-1 -amine, 2-(4-nonylphenoxy)ethyl-1 -amine, 2-(4- dodecylphenoxy)ethyl-1 -amine, 2-(4-octadecylphenoxy)ethyl-1 -amine, 2-(4- eicosanylphenoxy)ethyl-1 -ami ne, 2-(4-docosanylphenoxy)ethyl-1 -amine, 2-(4- tetracosanylphenoxy)ethyl-1 -amine.
- aryloxy alkylamines may be obtained commercially or by any known compatible synthesis method with.
- aryloxy alkylamines may be obtained by reacting salt of alkylphenol with a chloroacetaldehyde. The resulting product is then reacted with an amino alcohol and then hydrogenated in the presence of a nickel catalyst to generate the aryloxy alkylamine.
- a more detailed description of aryloxy alkylamine synthesis can be found in U.S. Patent No. 3,954,872, which is hereby incorporated by reference.
- the fuel additives of the present invention may be synthesized by any known compatible method. Description of two known synthesis methods are described herein.
- an alkylphenol is initially reacted with a base (e.g., potassium hydroxide) to form an alkylphenoxide said, which will further react with 2-oxazolidinone in an aromatic solvent under reflux conditions to provide the corresponding aminoethylated product.
- a base e.g., potassium hydroxide
- an alkylphenol is also initially reacted with a base (e.g., potassium hydroxide) to form an alkylphenoxide, which will further react with 2-oxazolidinone generated in situ from the reaction between ethanolamine and diethyl carbonate in an aromatic solvent under reflux conditions to provide the corresponding aminoethylated product.
- a base e.g., potassium hydroxide
- the reaction mixture was cooled to about 120 °C, and ethanolamine (21.87 g, 0.358 mol, 1.20 equiv) and diethyl carbonate (42.3 g, 0.358 mol, 1.20 equiv) were added in that order.
- the reaction mixture was then warmed to 120 °C under gentle N2 flow until the theoretical amount of ethanol was evolved from the reaction, which was then warmed to 175 °C with vigorous stirring under a gentle flow of nitrogen for 19 hours.
- the crude reaction mixture was diluted with 250 mL of ethyl acetate and was washed with 3 x 200 mL of water and 200 mL of brine.
- the organic layer was dried with MgSCU, filtered, and concentrated to give crude product as an amber color oil (128.0 g). It was analyzed by NMR spectroscopy and HPLC.
- the fuel composition of the present invention includes one or more secondary fuel additives.
- the secondary fuel additive is a nitrogen-containing detergent that provides enhanced detergency when paired with the primary fuel additive of the present invention.
- Suitable secondary fuel additives may be classified as aliphatic hydrocarbyl-substituted amines, hydrocarbyl-substituted poly(oxyalkylene)amines, hydrocarbyl-substituted succinimides, Mannich reaction products, polyalkylphenoxyaminoalkanes, nitro and amino aromatic esters of polyalkylphenoxyalkanols, and nitrogen-containing carburetor/injector detergents.
- the aliphatic hydrocarbyl-substituted amines employed in the present invention may be straight or branched chain hydrocarbyl-substituted amines having at least one basic nitrogen and wherein the hydrocarbyl group has a number average molecular weight of about 700 to 3,000.
- Specific examples of aliphatic hydrocarbyl-substituted amines include polyisobutenyl amines and polyisobutyl amines. These amines can be derived as monoamines or polyamines. Preparation of aliphatic amines are generally known and described in detail in U.S. Pat. Nos. 3,438,757; 3,565,804; 3,574,576; 3,848,056; 3,960,515; 4,832,702; and 6,203,584, all of which are hereby incorporated by reference.
- the hydrocarbyl-substituted poly(oxyalkylene)amines employed in the present invention may include hydrocarbyl poly(oxyalkylene)amines (monoamines or polyamines) wherein the hydrocarbyl group contains from about 1 to about 30 carbon atoms.
- the number of oxyalkylene units can range from about 5 to about 100.
- the amine moiety is derived from ammonia, primary alkyl or secondary dialkyl monoamine, or polyamine having a terminal amino nitrogen atom.
- the oxyalkylene moiety may be oxypropylene or oxybutylene or a mixture thereof.
- Hydrocarbyl-substituted poly(oxyalkylene)amines are described in U.S. Pat. No. 6,217,624, and U.S. Pat. No. 5,1 12,364, which are hereby incorporated herein by reference.
- Specific examples of hydrocarbyl-substituted poly(oxyalkylene)monoamine include alkylphenyl poly(oxyalkylene)monoamine wherein the poly(oxyalkylene) moiety contains oxypropylene units or oxybutylene units or mixtures of oxypropylene and oxybutylene units.
- the alkyl group on the alkylphenyl moiety is a straight or branched-chain alkyl of about 1 to about 24 carbon atoms.
- a preferred alkylphenyl moiety is tetrapropenylphenyl where the alkyl group is a branched-chain alkyl of 12 carbon atoms derived from a propylene tetramer.
- additional hydrocarbyl-substituted poly(oxyalkylene)amines include hydrocarbyl-substituted poly(oxyalkylene)aminocarbamates disclosed in U.S. Pat. Nos. 4,288,612; 4,236,020; 4,160,648; 4,191,537; 4,270,930; 4,233,168; 4,197,409; 4,243,798 and 4,881,945, which are hereby incorporated by reference.
- These hydrocarbyl poly(oxyalkylene)aminocarbamates contain at least one basic nitrogen atom and have an average molecular weight of about 500 to 10,000, preferably about 500 to 5,000, and more preferably about 1,000 to 3,000.
- a preferred aminocarbamate is alkylphenyl poly(oxybutylene)aminocarbamate wherein the amine moiety is derived from ethylene diamine or diethylene triamine.
- the hydrocarbyl-substituted succinimides employed in the present invention include polyalkyl and polyalkenyl succinimides wherein the polyalkyl or polyalkenyl group has an average molecular weight of about 500 to 5,000, and preferably about 700 to 3,000.
- the hydrocarbyl-substituted succinimides are typically prepared by reacting a hydrocarbyl-substituted succinic anhydride with an amine or polyamine having at least one reactive hydrogen bonded to an amine nitrogen atom.
- Preferred hydrocarbyl-substituted succinimides include polyisobutenyl and polyisobutanyl succinimides, and derivatives thereof.
- the Mannich reaction products employed in the present invention include products typically obtained from Mannich condensation of a high molecular weight alky l-substituted hydroxyaromatic compound, an amine containing at least one reactive hydrogen, and an aldehyde.
- the high molecular weight alkylsubstituted hydroxyaromatic compounds are preferably polyalkylphenols, such as polypropylphenol and polybutylphenol, especially polyisobutylphenol, wherein the polyalkyl group has an average molecular weight of about 600 to 3,000.
- the amine reactant is typically a polyamine, such as alkylene polyamines, especially ethylene or polyethylene polyamines, for example, ethylene diamine, diethylene triamine, triethylene tetramine, and the like.
- the aldehyde reactant is generally an aliphatic aldehyde, such as formaldehyde, including paraformaldehyde and formalin, and acetaldehyde.
- a preferred Mannich reaction product is obtained by condensing a polyisobutylphenol with formaldehyde and diethylene triamine, wherein the polyisobutyl group has an average molecular weight of about 1,000.
- the Mannich reaction products suitable for use in the present invention are described, for example, in U.S. Pat. Nos. 4,231,759 and 5,697,988, the disclosures of each of which are incorporated herein by reference.
- a still further class of detergent additive suitable for use in the present invention are polyalkylphenoxyaminoalkanes.
- Preferred polyalkylphenoxyaminoalkanes include those having the following formula:
- R is a polyalkyl group having an average molecular weight in the range of about 600 to 5,000; Re and R? are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; and A is amino, N-alkyl amino having about 1 to about 20 carbon atoms in the alkyl group, N,N-dia Ikyl amino having about 1 to about 20 carbon atoms in each alkyl group, or a polyamine moiety having about 2 to about 12 amine nitrogen atoms and about 2 to about 40 carbon atoms.
- the polyalkylphenoxyaminoalkanes of Formula II above and their preparations are described in detail in U.S. Pat. No. 5,669,939, which is hereby incorporated herein by reference.
- Certain detergent mixtures may be particularly useful as secondary additives in accordance with the present invention.
- mixtures of polyalkylphenoxyaminoalkanes and poly(oxyalkylene)amines may be employed. These mixtures are described in detail in U.S. Pat. No. 5,851,242, which is hereby incorporated by reference.
- mixtures of nitro and amino aromatic esters of polyalkylphenoxyalkanols may be employed.
- Preferred nitro and amino aromatic esters of polyalkylphenoxyalkanols include those having the formula: wherein: Rs is nitro or — (CH2) — N 13 14, wherein R13 and R14 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; Rg is hydrogen, hydroxy, nitro or — NR15R16, wherein R15 and R16 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; R10 and Rn are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; and R12 is a polyalkyl group having an average molecular weight in the range of about 450 to 5,000.
- the aromatic esters of polyalkylphenoxyalkanols shown in Formula III above and their preparations are described in detail in U.S. Pat. No. 5,618,320, which is hereby incorporated herein by reference.
- R17 is a hydrocarbyl group having from about 1 to about 30 carbon atoms
- R18 and R19 are each independently hydrogen or lower alkyl having about 1 to about 6 carbon atoms and each R and R19 is independently selected in each — O — CHR — CHR19 — unit
- m is from about 5 to about 100
- B is amino, N-alkyl amino having about
- hydrocarbyl-substituted poly(oxyalkylene)amines of Formula IV are preferably utilized either by themselves or in combination with other detergent additives, particularly with the polyalkylphenoxyaminoalkanes or the nitro and amino aromatic esters of polyalkylphenoxyalkanols. More preferably, the detergent additives employed in the present invention will be combinations of the hydrocarbyl-substituted poly(oxyalkylene)amines with the nitro and amino aromatic esters of polyalkylphenoxyalkanols.
- a particularly preferred hydrocarbyl-substituted poly(oxyalkylene)amine detergent additive is dodecylphenoxy poly(oxybutylene)amine and a particularly preferred combination of detergent additives is the combination of dodecylphenoxy poly(oxybutylene)amine and 4- polyisobutylphenoxyethyl para-aminobenzoate.
- Another class of detergent additive suitable for use in the present invention include nitrogen-containing carburetor/injector detergents.
- the carburetor/injector detergent additives are typically low molecular weight compounds having a number average molecular weight of about 100 to about 600 and possessing at least one polar moiety and at least one non-polar moiety.
- the non-polar moiety is typically a linear or branched-chain alkyl or alkenyl group having about 6 to about 40 carbon atoms.
- the polar moiety is typically nitrogen-containing.
- Typical nitrogen- containing polar moieties include amines (for example, as described in U.S. Pat. No. 5,139,534 and PCT International Publication No.
- WO 90/10051 ether amines (for example, as described in U.S. Pat. No. 3,849,083 and PCT International Publication No. WO 90/10051), amides, polyamides and amide-esters (for example, as described in U.S. Pat. Nos. 2,622,018; 4,729,769; and 5,139,534; and European Patent Publication No. 149,486), imidazolines (for example, as described in U.S. Pat. No. 4,518,782), amine oxides (for example, as described in U.S. Pat. Nos. 4,810,263 and 4,836,829), hydroxyamines (for example, as described in U.S. Pat. No. 4,409,000), and succinimides (for example, as described in U.S. Pat. No. 4,292,046).
- amides for example, as described in U.S. Pat. No. 3,849,083 and PCT International Publication No. WO 90/
- Each secondary fuel additive can be present in about 50 ppm to about 2500 ppm (such as 100 to 2000, 200 to 1500, 300 to 1000 and the like) by weight of the fuel composition. More preferably, the secondary fuel additive is present in about 50 ppm to about 1000 ppm by weight of the fuel composition.
- the fuel composition may comprise other generally known fuel additives. Suitable examples include, but are not limited to, antioxidants, metal deactivators, demulsifiers, oxygenates, antiknock agents, dispersants and other detergents. In diesel fuel, other well-known additives can be employed such as pour point depressants, flow improvers, and the like.
- each of the foregoing additives when used, is used at a functionally effective amount to impart the desired properties to the fuel composition.
- concentration of each of these additives, when used may range, unless otherwise specified, from about 0.001 to about 20 wt. %, such as about 0.01 to about 10 wt. %.
- the compounds of the present disclosure may be formulated as a concentrate using an inert stable oleophilic (i.e., soluble in hydrocarbon fuel) organic solvent boiling in a range of 65°C to 205°C.
- An aliphatic or an aromatic hydrocarbon solvent may be used, such as benzene, toluene, xylene, or higher-boiling aromatics or aromatic thinners.
- Aliphatic alcohols containing 2 to 8 carbon atoms, such as ethanol, isopropanol, methyl isobutyl carbinol, n-butanol and the like, in combination with the hydrocarbon solvents are also suitable for use with the present additives.
- the amount of the additive may range from 10 to 70 wt % (e.g., 20 to 40 wt %).
- Inventive Example 1 is 2-(4-dodecylphenoxy)ethyl-1 -amine shown below (Formula V).
- Inventive Example 2 is a mixture of 2-(4-eicosanylphenoxy)ethyl-1 -ami ne, 2-(4-docosanylphenoxy)ethyl-1 -amine, and 2-(4-tetracosanylphenoxy)ethyl-1- amine shown below (Formula VI). It was obtained by Method A as described below.
- the mixture was allowed to cool to room temperature, diluted with hexanes (200 mL) and the organic phase was washed with water (200 mL), brine (4 x 100 mL), dried over anhydrous MgSC , and filtered through a pad of Celite filter aid. The filtrate was concentrated under reduced pressure and then under high vacuum to give a dark colored oil as crude product (150.2 g).
- the crude product was purified by column chromatography using a mixture of ethyl acetate/methanol gradient to give a pale yellow oil (105.8 g).
- Inventive Example 3 is a commercially available 2-(phenoxy)ethyl-1- amine shown below (Formula VII).
- FIG. 1 shows vehicle speed conditions observed during the specified vehicle drive cycle.
- the vehicle drive cycle is based on 10 hills extracted from the transient phase of the Environmental Protection Agency (EPA) Urban Dynamometer Drive Schedule (UDDS) with additional idle periods added.
- Total drive cycle is 20 minutes in duration and the overall test duration is 2,000-miles.
- EPA Environmental Protection Agency
- UDDS Urban Dynamometer Drive Schedule
- Additive testing is conducted in a "keep clean" configuration which starts with a clean injector and combustion chamber. This test configuration evaluates the ability of a given deposit control additive to keep the injector and combustion chamber clean over the duration of the test.
- Injector "keep clean" tests were performed on four fuel samples: (i) unadditized base fuel, (ii) 200 ppmw of inventive example 1 added to sample (i), (iii) 200 ppmw of inventive example 2 added to sample (i), and (iv) 200 ppmw of inventive example 3 added to sample (i).
- FIG. 2 show photographs of injectors before and after the engine test.
- Injector fuel restriction measures the decrease in fuel flow from the injector, representing the presence of deposits in the injector orifices. Injector restriction can force the engine controller to make additional control adjustments to maintain proper engine fuel delivery, and the presence of deposits in the injector orifices can impact fuel mixing, leading to decreased engine performance and increased particulate emissions.
- a second test was also conducted using an engine on a dynamometer stand.
- a 2017 Honda DISI 1.5L 16-valve turbocharged engine was the test vehicle engine used.
- the engine drive cycle is 720 s in duration with engine speeds ranging from idle to 4000 RPM, and load varying up to 160 Nm.
- the overall test duration is 50 hours (test duration for baseline fuel with 200 ppmw of Example 2 was 25 hours).
- FIG. 3 illustrates engine speed and load test conditions.
- FIGS. 6A-6C illustrate the PM emissions traces from a baseline fuel (FIG. 6A), the baseline fuel with 200ppmw of Inventive Example 1 (FIG. 6B), and the baseline fuel with 200ppmw of Inventive Example 2 (FIG. 6C).
- the addition of Inventive Example 1 or Inventive Example 2 at 200 ppmw maintains PM emissions at the same level as at start of test with a clean injector across the full duration of the test.
- ranges from any lower limit may be combined with any upper limit to recite a range not explicitly recited, as well as, ranges from any lower limit may be combined with any other lower limit to recite a range not explicitly recited, in the same way, ranges from any upper limit may be combined with any other upper limit to recite a range not explicitly recited.
- ranges from any upper limit may be combined with any other upper limit to recite a range not explicitly recited.
- within a range includes every point or individual value between its end points even though not explicitly recited. Thus, every point or individual value may serve as its own lower or upper limit combined with any other point or individual value or any other lower or upper limit, to recite a range not explicitly recited.
- compositions, an element or a group of elements are preceded with the transitional phrase “comprising,” it is understood that we also contemplate the same composition or group of elements with transitional phrases “consisting essentially of,” “consisting of,” “selected from the group of consisting of,” or “is” preceding the recitation of the composition, element, or elements and vice versa.
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Abstract
Description
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PCT/IB2021/058387 WO2022058894A1 (en) | 2020-09-17 | 2021-09-15 | Aryloxy alkylamines as fuel additives for reducing injector fouling in direct injection spark ignition gasoline engines |
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2021
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- 2021-09-15 EP EP21773883.0A patent/EP4214297A1/en active Pending
- 2021-09-15 AU AU2021342779A patent/AU2021342779A1/en active Pending
- 2021-09-15 US US18/025,303 patent/US20240026239A1/en active Pending
- 2021-09-15 CA CA3195345A patent/CA3195345A1/en active Pending
- 2021-09-15 WO PCT/IB2021/058387 patent/WO2022058894A1/en active Application Filing
- 2021-09-15 CN CN202180066654.2A patent/CN116234891A/en active Pending
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AU2021342779A1 (en) | 2023-04-27 |
US20240026239A1 (en) | 2024-01-25 |
CN116234891A (en) | 2023-06-06 |
MX2023003074A (en) | 2023-05-19 |
KR20230068407A (en) | 2023-05-17 |
WO2022058894A1 (en) | 2022-03-24 |
CA3195345A1 (en) | 2022-03-24 |
JP2023541471A (en) | 2023-10-02 |
CO2023004450A2 (en) | 2023-04-27 |
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