EP4345151A1 - Benzinzusatzzusammensetzung für verbesserte motorleistung - Google Patents
Benzinzusatzzusammensetzung für verbesserte motorleistung Download PDFInfo
- Publication number
- EP4345151A1 EP4345151A1 EP23195793.7A EP23195793A EP4345151A1 EP 4345151 A1 EP4345151 A1 EP 4345151A1 EP 23195793 A EP23195793 A EP 23195793A EP 4345151 A1 EP4345151 A1 EP 4345151A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- detergent
- fuel
- hydrocarbyl
- fuel additive
- alkyl
- 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
- 239000000203 mixture Substances 0.000 title claims description 45
- 239000003254 gasoline additive Substances 0.000 title 1
- 239000003599 detergent Substances 0.000 claims abstract description 181
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims abstract description 147
- 239000000446 fuel Substances 0.000 claims abstract description 137
- 239000002816 fuel additive Substances 0.000 claims abstract description 101
- 229960002317 succinimide Drugs 0.000 claims abstract description 85
- 239000003502 gasoline Substances 0.000 claims abstract description 51
- 238000002347 injection Methods 0.000 claims abstract description 35
- 239000007924 injection Substances 0.000 claims abstract description 35
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 71
- 229920000768 polyamine Polymers 0.000 claims description 53
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 47
- 150000001412 amines Chemical class 0.000 claims description 44
- 125000000217 alkyl group Chemical group 0.000 claims description 33
- 150000003973 alkyl amines Chemical class 0.000 claims description 31
- 125000002947 alkylene group Chemical group 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 30
- 239000001257 hydrogen Substances 0.000 claims description 26
- 229910052739 hydrogen Inorganic materials 0.000 claims description 26
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical group NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 claims description 25
- 229920002367 Polyisobutene Polymers 0.000 claims description 24
- 125000001302 tertiary amino group Chemical group 0.000 claims description 22
- 239000004793 Polystyrene Substances 0.000 claims description 21
- 229920002223 polystyrene Polymers 0.000 claims description 20
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 19
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 claims description 19
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical class ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 claims description 18
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 18
- 229940014800 succinic anhydride Drugs 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- 229920001577 copolymer Polymers 0.000 claims description 15
- 125000001931 aliphatic group Chemical group 0.000 claims description 14
- 239000007795 chemical reaction product Substances 0.000 claims description 14
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 13
- 150000001299 aldehydes Chemical class 0.000 claims description 13
- 125000003118 aryl group Chemical group 0.000 claims description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 12
- 150000002989 phenols Chemical class 0.000 claims description 12
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 11
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 11
- 125000003342 alkenyl group Chemical group 0.000 claims description 11
- 229920000570 polyether Polymers 0.000 claims description 11
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 10
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical class CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 claims description 10
- 229930003836 cresol Chemical class 0.000 claims description 10
- 150000002431 hydrogen Chemical class 0.000 claims description 10
- 125000004122 cyclic group Chemical group 0.000 claims description 8
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 claims description 7
- 125000006539 C12 alkyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 7
- 125000003282 alkyl amino group Chemical group 0.000 claims description 7
- 125000005233 alkylalcohol group Chemical group 0.000 claims description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 abstract description 44
- 230000000996 additive effect Effects 0.000 abstract description 24
- 238000013459 approach Methods 0.000 description 55
- -1 phenol compound Chemical class 0.000 description 35
- 150000001875 compounds Chemical class 0.000 description 26
- 238000005227 gel permeation chromatography Methods 0.000 description 25
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 16
- 150000001298 alcohols Chemical class 0.000 description 16
- 238000012360 testing method Methods 0.000 description 14
- 229920000642 polymer Polymers 0.000 description 12
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Natural products OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 10
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 9
- 150000008064 anhydrides Chemical class 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 150000003254 radicals Chemical class 0.000 description 8
- 239000000376 reactant Substances 0.000 description 8
- 125000001424 substituent group Chemical group 0.000 description 8
- 239000003981 vehicle Substances 0.000 description 8
- 239000004615 ingredient Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000005977 Ethylene Substances 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229920000098 polyolefin Polymers 0.000 description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 6
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 5
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 5
- 229920001400 block copolymer Polymers 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 229920001281 polyalkylene Polymers 0.000 description 5
- 230000009257 reactivity Effects 0.000 description 5
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 4
- KSSJBGNOJJETTC-UHFFFAOYSA-N COC1=C(C=CC=C1)N(C1=CC=2C3(C4=CC(=CC=C4C=2C=C1)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)C1=CC(=CC=C1C=1C=CC(=CC=13)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)C1=CC=C(C=C1)OC Chemical compound COC1=C(C=CC=C1)N(C1=CC=2C3(C4=CC(=CC=C4C=2C=C1)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)C1=CC(=CC=C1C=1C=CC(=CC=13)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)N(C1=CC=C(C=C1)OC)C1=C(C=CC=C1)OC)C1=CC=C(C=C1)OC KSSJBGNOJJETTC-UHFFFAOYSA-N 0.000 description 4
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- 238000006482 condensation reaction Methods 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000006078 metal deactivator Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000003643 water by type Substances 0.000 description 4
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 3
- 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
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000007429 general method Methods 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- LSHROXHEILXKHM-UHFFFAOYSA-N n'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 description 3
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920005652 polyisobutylene succinic anhydride Polymers 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 229920005604 random copolymer Polymers 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- RINCXYDBBGOEEQ-UHFFFAOYSA-N succinic anhydride Chemical group O=C1CCC(=O)O1 RINCXYDBBGOEEQ-UHFFFAOYSA-N 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- 229960001124 trientine Drugs 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N Furaldehyde Natural products O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical class OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 2
- 241000209504 Poaceae Species 0.000 description 2
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical compound CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical class OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- JARKCYVAAOWBJS-UHFFFAOYSA-N hexanal Chemical compound CCCCCC=O JARKCYVAAOWBJS-UHFFFAOYSA-N 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 2
- FWWQKRXKHIRPJY-UHFFFAOYSA-N octadecanal Chemical compound CCCCCCCCCCCCCCCCCC=O FWWQKRXKHIRPJY-UHFFFAOYSA-N 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 229920001748 polybutylene Polymers 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 125000001453 quaternary ammonium group Chemical group 0.000 description 2
- SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical compound OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 2
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 2
- PSTVZBXGCKLSQA-UHFFFAOYSA-N (1-methylcyclohexyl) nitrate Chemical compound [O-][N+](=O)OC1(C)CCCCC1 PSTVZBXGCKLSQA-UHFFFAOYSA-N 0.000 description 1
- 150000005207 1,3-dihydroxybenzenes Chemical class 0.000 description 1
- PVOAHINGSUIXLS-UHFFFAOYSA-N 1-Methylpiperazine Chemical compound CN1CCNCC1 PVOAHINGSUIXLS-UHFFFAOYSA-N 0.000 description 1
- NVZWEEGUWXZOKI-UHFFFAOYSA-N 1-ethenyl-2-methylbenzene Chemical compound CC1=CC=CC=C1C=C NVZWEEGUWXZOKI-UHFFFAOYSA-N 0.000 description 1
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 1
- OZUCSFZQPDHULO-UHFFFAOYSA-N 2-(2-ethoxyethoxy)ethyl nitrate Chemical compound CCOCCOCCO[N+]([O-])=O OZUCSFZQPDHULO-UHFFFAOYSA-N 0.000 description 1
- DMAXMXPDVWTIRV-UHFFFAOYSA-N 2-(2-phenylethyl)phenol Chemical compound OC1=CC=CC=C1CCC1=CC=CC=C1 DMAXMXPDVWTIRV-UHFFFAOYSA-N 0.000 description 1
- BKCNDTDWDGQHSD-UHFFFAOYSA-N 2-(tert-butyldisulfanyl)-2-methylpropane Chemical compound CC(C)(C)SSC(C)(C)C BKCNDTDWDGQHSD-UHFFFAOYSA-N 0.000 description 1
- CHBGIQHEGBKNGA-UHFFFAOYSA-N 2-[(2-hydroxyphenyl)iminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NC1=CC=CC=C1O CHBGIQHEGBKNGA-UHFFFAOYSA-N 0.000 description 1
- RURPJGZXBHYNEM-UHFFFAOYSA-N 2-[2-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound C=1C=CC=C(O)C=1C=NC(C)CN=CC1=CC=CC=C1O RURPJGZXBHYNEM-UHFFFAOYSA-N 0.000 description 1
- CDMGNVWZXRKJNS-UHFFFAOYSA-N 2-benzylphenol Chemical compound OC1=CC=CC=C1CC1=CC=CC=C1 CDMGNVWZXRKJNS-UHFFFAOYSA-N 0.000 description 1
- GDNQXPDYGNUKII-UHFFFAOYSA-N 2-ethoxyethyl nitrate Chemical compound CCOCCO[N+]([O-])=O GDNQXPDYGNUKII-UHFFFAOYSA-N 0.000 description 1
- NKRVGWFEFKCZAP-UHFFFAOYSA-N 2-ethylhexyl nitrate Chemical compound CCCCC(CC)CO[N+]([O-])=O NKRVGWFEFKCZAP-UHFFFAOYSA-N 0.000 description 1
- LNNXFUZKZLXPOF-UHFFFAOYSA-N 2-methylpropyl nitrate Chemical compound CC(C)CO[N+]([O-])=O LNNXFUZKZLXPOF-UHFFFAOYSA-N 0.000 description 1
- VPMSNLLZXRIEOK-UHFFFAOYSA-N 2-n-tert-butylpropane-1,2-diamine Chemical compound NCC(C)NC(C)(C)C VPMSNLLZXRIEOK-UHFFFAOYSA-N 0.000 description 1
- JSIAIROWMJGMQZ-UHFFFAOYSA-N 2h-triazol-4-amine Chemical group NC1=CNN=N1 JSIAIROWMJGMQZ-UHFFFAOYSA-N 0.000 description 1
- DQSBZDLZCZUJCJ-UHFFFAOYSA-N 2h-triazole-4,5-diamine Chemical compound NC=1N=NNC=1N DQSBZDLZCZUJCJ-UHFFFAOYSA-N 0.000 description 1
- NNKQLUVBPJEUOR-UHFFFAOYSA-N 3-ethynylaniline Chemical compound NC1=CC=CC(C#C)=C1 NNKQLUVBPJEUOR-UHFFFAOYSA-N 0.000 description 1
- NTHGIYFSMNNHSC-UHFFFAOYSA-N 3-methylbutyl nitrate Chemical compound CC(C)CCO[N+]([O-])=O NTHGIYFSMNNHSC-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- ANHQLUBMNSSPBV-UHFFFAOYSA-N 4h-pyrido[3,2-b][1,4]oxazin-3-one Chemical group C1=CN=C2NC(=O)COC2=C1 ANHQLUBMNSSPBV-UHFFFAOYSA-N 0.000 description 1
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 241001474374 Blennius Species 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ISXBXGCBZCWVPX-UHFFFAOYSA-N C(C)(C)(C)NC1CN(CC(N1)NC(C)(C)C)CC Chemical compound C(C)(C)(C)NC1CN(CC(N1)NC(C)(C)C)CC ISXBXGCBZCWVPX-UHFFFAOYSA-N 0.000 description 1
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- C10L1/1985—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid polyethers, e.g. di- polygylcols and derivatives; ethers - esters
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- 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
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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
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/06—Use of additives to fuels or fires for particular purposes for facilitating soot removal
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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
- 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 is directed to fuel additives for spark-ignition engines providing enhanced engine, intake valve, and/or injector performance, to fuel compositions including such additives, and to methods for using such fuel additives in a fuel composition for improved performance.
- Fuel compositions for vehicles are continually being improved to enhance various properties of the fuels in order to accommodate their use in newer, more advanced engines including both gasoline port fuel injected engines as well as gasoline direct injected engines.
- improvements in fuel compositions center around improved fuel additives and other components used in the fuel.
- friction modifiers may be added to fuel to reduce friction and wear in the fuel delivery systems of an engine.
- Other additives may be included to reduce the corrosion potential of the fuel or to improve the conductivity properties.
- Still other additives may be blended with the fuel to improve fuel economy.
- Engine and fuel delivery system deposits represent another concern with modern combustion engines, and therefore other fuel additives often include various deposit control additives to control and/or mitigate engine deposit problems.
- fuel compositions typically include a complex mixture of additives.
- fuel additives effective in gasoline port fuel injection engines do not necessarily provide comparable performance in gasoline direct injection engines (GDI) and vice versa.
- fuel additives often require an unreasonably high treat rate to achieve desired effects, which tends to place undesirable limits on the available amounts of other additives in the fuel composition.
- Yet other fuel additives tend to be expensive and/or difficult to manufacture or incorporate in fuels.
- a fuel additive or fuel additive package for a spark-ignition engine includes a Mannich detergent including the reaction product of a hydrocarbyl-substituted phenol or cresol, one or more aldehydes, and one or more amines; a succinimide detergent prepared by reacting a hydrocarbyl-substituted succinic acylating agent with an amine, polyamine, or alkyl amine having one or more primary, secondary, or tertiary amino groups; and wherein a weight ratio of the Mannich detergent to the succinimide detergent is from about 15:1 to about 30:1.
- PFI port fuel injection
- GDI gasoline direct injection
- the fuel additive of the previous paragraph may include one or more optional features or embodiments in any combination.
- the optional features or embodiments may include one or more of the following: wherein the weight ratio of the Mannich detergent to the succinimide detergent is from about 20:1 to about 30:1; and/or wherein the Mannich detergent has the structure of Formula I: wherein R 1 of Formula I is hydrogen or a C1 to C4 alkyl group, R 2 of Formula I is a hydrocarbyl group having a number average molecular weight of about 500 to about 3000, R 3 of Formula I is a C1 to C4 alkylene or alkenyl group (preferably a C1 group), and R 4 and R 5 of Formula I are, independently, hydrogen, a linear or branched C1 to C12 alkyl group, or a mono or di(C1 to C4)alkyl amino C1-C12 alkyl group; and/or wherein R 2 of Formula I is polyisobutenyl having a number average molecular weight
- a gasoline fuel composition providing improved engine and/or injector performance in both port fuel injection (PFI) engines as well as gasoline direct injection (GDI) engines is described herein.
- the gasoline fuel composition includes about 15 to about 300 ppmw of a Mannich detergent including the reaction product of a hydrocarbyl-substituted phenol or cresol, one or more aldehydes, and one or more amines; about 0.5 to about 20 ppmw of a succinimide detergent prepared by reacting a hydrocarbyl-substituted succinic acylating agent with an amine, polyamine, or alkyl amine having one or more primary, secondary, or tertiary amino groups; wherein a weight ratio of the Mannich detergent to the succinimide detergent is from about 15:1 to about 30: 1; and about 5 to about 150 ppmw of an alkoxylated alcohol.
- the gasoline fuel composition may also include any of the optional features or embodiments as described above with respect to the
- a method of reducing deposits in a gasoline engine includes operating a gasoline engine on a fuel composition containing a major amount of a gasoline fuel and a minor amount of a fuel additive by injecting the gasoline fuel through one or more injectors; wherein the fuel additive includes (i) a Mannich detergent including the reaction product of a hydrocarbyl-substituted phenol or cresol, one or more aldehydes, and one or more amines; (ii) a succinimide detergent prepared by reacting a hydrocarbyl-substituted succinic acylating agent with an amine, polyamine, or alkyl amine having one or more primary, secondary, or tertiary amino groups; and (iii) wherein the fuel additive has a weight ratio of the Mannich detergent to the succinimide detergent of about 15:1 to about 30:1; and wherein the fuel additive reduces deposits in the gasoline engine.
- a Mannich detergent including the reaction product of a hydrocarbyl-substitute
- the method described in the previous paragraph may be include one or more optional features, method steps, or embodiments in any combination.
- the optional features, steps, or embodiments may include one or more of the following: wherein the fuel additive reduces deposits in a port fuel injection (PFI) engine, a gasoline direct injection (GDI) engine, or both; and/or wherein the reduced deposits are reduced injector deposits measured by one of injector pulse width, injection duration, injector flow, or combinations thereof; and/or wherein the fuel additive reduces deposits when sprayed from an injector configured to spray droplets of about 10 to about 30 microns, about 120 to about 200 microns, or both; and/or wherein the weight ratio of the Mannich detergent to the succinimide detergent is from about 20:1 to about 30:1; and/or wherein the Mannich detergent has the structure of Formula I: wherein one of R 1 and R 2 of Formula I is hydrogen or a C1 to C4 alkyl group, the other of R 1 and R 2 is a hydrocarbyl group
- PFI port fuel injection
- GDI gasoline direct injection
- the fuel additive package of this disclosure may be free of quaternary ammonium salt detergents, and preferably, free of quaternary ammonium internal salt detergents that are obtained from amines or polyamines and substantially devoid of any free anion species.
- free of means less than 0.5 ppmw, less than 0.1 ppmw, less than 0.05 ppmw or, preferably, none.
- the present disclosure provides fuel additives including combinations of Mannich detergent(s) and succinimide detergent(s) discovered effective in certain weight ratios to provide improved engine and/or injector performance in both port fuel injection (PFI) engines as well as gasoline direct injection (GDI) engines.
- the fuel additives in some approaches, may also include alkoxylated alcohols and, when included, certain ratios of the alkoxylated alcohol to the Mannich detergent.
- fuel compositions including the novel fuel additive combinations and methods of using or combusting a fuel including the fuel additive combinations herein to achieve improved engine, intake valve, and/or injector performance.
- the fuel additives herein include a synergistic combination of Mannich detergent(s) and succinimide detergent(s) when used in a weight ratio of the Mannich detergent to the succinimide detergent of about 15:1 to about 30:1.
- Mannich detergents alone do not provide any clean-up performance in GDI engines, but surprisingly achieve improved clean-up when combined in certain ratios with succinimide detergents.
- improved engine, intake valve, and/or injector performance of the fuel additive combinations herein may include one or more of controlling or reducing fuel injector deposits, controlling or reducing intake valve deposits, controlling or reducing combustion chamber deposits and/or controlling or reducing intake valve sticking in PFI engines, GDI engines, or both types of engines.
- Improved injector performance may also be one or more of improved fuel flow, improved fuel economy, and/or improved engine efficiency as determined via one or more of injector pulse width, injection duration, and/or injector flow.
- the fuel additives and fuels herein first include one or more Mannich detergent(s).
- Suitable Mannich detergents include the reaction product(s) of an alkyl-substituted hydroxyaromatic or phenol compound, aldehyde, and amine as discussed more below.
- the alkyl substituents of the hydroxyaromatic compound may include long chain hydrocarbyl groups on a benzene ring of the hydroxyaromatic compound and may be derived from an olefin or polyolefin having a number average molecular weight (Mn) from about 500 to about 3000, preferably from about 700 to about 2100, as determined by gel permeation chromatography (GPC) using polystyrene as reference.
- Mn number average molecular weight
- the polyolefin in some approaches, may also have a polydispersity (weight average molecular weight/number average molecular weight) of about 1 to about 10 (in other instances, about 1 to about 4 or about 1 to about 2) as determined by GPC using polystyrene as reference.
- the alkylation of the hydroxyaromatic or phenol compound is typically performed in the presence of an alkylating catalyst at a temperature in the range of about 0 to about 200°C, preferably 0 to about 100°C.
- Acidic catalysts are generally used to promote Friedel-Crafts alkylation.
- Typical catalysts used in commercial production include sulphuric acid, BF 3 , aluminum phenoxide, methanesulphonic acid, cationic exchange resin, acidic clays and modified zeolites.
- Polyolefins suitable for forming the alkyl-substituted hydroxyaromatic compounds of the Mannich detergents include polypropylene, polybutenes, polyisobutylene, copolymers of butylene and/or butylene and propylene, copolymers of butylene and/or isobutylene and/or propylene, and one or more mono-olefinic comonomers copolymerizable therewith (e.g., ethylene, 1-pentene, 1-hexene, 1-octene, 1-decene, etc.) where a copolymer molecule contains at least 50% by weight, of butylene and/or isobutylene and/or propylene units.
- mono-olefinic comonomers e.g., ethylene, 1-pentene, 1-hexene, 1-octene, 1-decene, etc.
- Any comonomers polymerized with propylene or butenes may be aliphatic and can also contain non-aliphatic groups, e.g., styrene, o-methylstyrene, p-methylstyrene, divinyl benzene and the like if needed.
- the resulting polymers and copolymers used in forming the alkyl-substituted hydroxyaromatic compounds are substantially aliphatic hydrocarbon polymers.
- Polybutylene is preferred for forming the hydrocarbyl-substituted hydroxyaromatic or phenol compounds herein.
- polybutylene is used in a generic sense to include polymers made from “pure” or “substantially pure” 1-butene or isobutene, and polymers made from mixtures of two or all three of 1-butene, 2-butene and isobutene. Commercial grades of such polymers may also contain insignificant amounts of other olefins. So-called high reactivity polyisobutenes having relatively high proportions of polymer molecules having a terminal vinylidene group are also suitable for use in forming the long chain alkylated phenol reactant.
- Suitable high-reactivity polyisobutenes include those polyisobutenes that comprise at least about 20% of the more reactive methylvinylidene isomer, preferably at least 50% and more preferably at least 70%.
- Suitable polyisobutenes include those prepared using BF 3 catalysts. The preparation of such polyisobutenes in which the methylvinylidene isomer comprises a high percentage of the total composition is described in US 4,152,499 and US 4,605,808 , which are both incorporated herein by reference.
- the Mannich detergent in some approaches or embodiments, may be made from an alkylphenol or alkylcresol.
- other phenolic compounds may be used including alkyl-substituted derivatives of resorcinol, hydroquinone, catechol, hydroxydiphenyl, benzylphenol, phenethylphenol, naphthol, tolylnaphthol, among others.
- Preferred for the preparation of the Mannich detergents are the polyalkylphenol and polyalkylcresol reactants, e.g., polypropyl phenol, polybutylphenol, polypropylcresol and polybutylcresol, wherein the alkyl group has a number average molecular weight of about 500 to about 3000 or about 500 to about 2100 as measured by GPC using polystyrene as reference, while the most preferred alkyl group is a polybutyl group derived from polyisobutylene having a number average molecular weight in the range of about 700 to about 1300 as measured by GPC using polystyrene as reference.
- the polyalkylphenol and polyalkylcresol reactants e.g., polypropyl phenol, polybutylphenol, polypropylcresol and polybutylcresol
- the alkyl group has a number average molecular weight of about 500 to about 3000 or about 500 to about 2100 as measured by GPC using polysty
- the preferred configuration of the alkyl-substituted hydroxyaromatic compound is that of a para-substituted mono-alkylphenol or a para-substituted mono-alkyl ortho-cresol.
- any hydroxyaromatic compound readily reactive in the Mannich condensation reaction may be employed.
- Mannich products made from hydroxyaromatic compounds having only one ring alkyl substituent, or two or more ring alkyl substituents are suitable for forming this detergent additive.
- the alkyl substituents may contain some residual unsaturation, but in general, are substantially saturated alkyl groups.
- representative amine reactants suitable to form the Mannich detergent herein include, but are not limited to, alkylene polyamines having at least one suitably reactive primary or secondary amino group in the molecule. Other substituents such as hydroxyl, cyano, amido, etc., can be present in the polyamine.
- the alkylene polyamine is a polyethylene polyamine.
- Suitable alkylene polyamine reactants include ethylenediamine, diethylenetriamine, triethylenetetramine, tetraethylene pentamine and mixtures of such amines having nitrogen contents corresponding to alkylene polyamines of the formula H 2 N--(A-NH--) n H, where A in this formula is divalent ethylene or propylene and n is an integer of from 1 to 10, preferably 1 to 4.
- the alkylene polyamines may be obtained by the reaction of ammonia and dihalo alkanes, such as dichloro alkanes.
- the amine may also be an aliphatic diamine having one primary or secondary amino group and at least one tertiary amino group in the molecule.
- suitable polyamines include N,N,N",N"-tetraalkyldialkylenetriamines (two terminal tertiary amino groups and one central secondary amino group), N,N,N',N"-tetraalkyltrialkylene tetramines (one terminal tertiary amino group, two internal tertiary amino groups and one terminal primary amino group), N,N,N',N",N′′′-pentaalkyltrialkylenetetramines (one terminal tertiary amino group, two internal tertiary amino groups and one terminal secondary amino group), N,N'-dialkylamine, N,N-dihydroxyalkyl-alpha-, omega-alkylenediamines (one terminal tertiary amino group and one terminal primary amino group), N,N,N'-trihydroxyalkyl-al
- alkyl groups are methyl and/or ethyl groups.
- Preferred polyamine reactants are N,N-dialkyl-alpha, omega-alkylene diamine, such as those having from 3 to about 6 carbon atoms in the alkylene group and from 1 to about 12 carbon atoms in each of the alkyl groups, which most preferably are the same but which can be different.
- Exemplary amines may include N,N-dimethyl-1,3-propanediamine and/or N-methyl piperazine.
- polyamines having one reactive primary or secondary amino group that can participate in the Mannich condensation reaction, and at least one sterically hindered amino group that cannot participate directly in the Mannich condensation reaction to any appreciable extent include N-(tert-butyl)-1,3-propanediamine, N-neopentyl-1,3-propane diamine-, N-( tert- butyl)-1-methyl-1,2-ethanediamine, N-(tert-butyl)-1-methyl-1,3-propane diamine, and 3,5-di(tert-butyl)aminoethylpiperazine.
- representative aldehydes for use in the preparation of the Mannich detergents herein include the aliphatic aldehydes such as formaldehyde, acetaldehyde, propionaldehyde, butyraldehyde, valeraldehyde, caproaldehyde, heptaldehyde, stearaldehyde.
- Aromatic aldehydes which may be used include benzaldehyde and salicylaldehyde.
- Illustrative heterocyclic aldehydes for use herein are furfural and thiophene aldehyde, etc.
- formaldehyde-producing reagents such as paraformaldehyde, or aqueous formaldehyde solutions such as formalin. Most preferred is formaldehyde or formalin.
- the condensation reaction among the alkylphenol, the specified amine(s) and the aldehyde may be conducted at a temperature typically in the range of about 40°C to about 200°C.
- the reaction can be conducted in bulk (no diluent or solvent) or in a solvent or diluent. Water is evolved and can be removed by azeotropic distillation during the course of the reaction.
- the Mannich reaction products are formed by reacting the alkyl-substituted hydroxyaromatic compound, the amine and aldehyde in the molar ratio of 1.0:0.5-2.0:1.0-3.0, respectively.
- Suitable Mannich base detergents include those detergents taught in US 4,231,759 ; US 5,514,190 ; US 5,634,951 ; US 5,697,988 ; US 5,725,612 ; and 5,876,468 , the disclosures of which are incorporated herein by reference.
- suitable Mannich detergents for the fuel additives herein may have a structure of Formula I below: wherein one of R 1 and R 2 of Formula I is hydrogen or a C1 to C4 alkyl group, the other of R 1 and R 2 is a hydrocarbyl group having a number average molecular weight of about 500 to about 3000, R 3 of Formula I is a C1 to C4 alkylene or alkenyl linking group, and R 4 and R 5 of Formula I are, independently, hydrogen, a C1 to C12 alkyl group, or a mono or di(C1 to C4)alkyl amino C1-C12 alkyl group.
- R 1 of Formula I is hydrogen or a C1 to C4 alkyl group
- R 2 of Formula I is a hydrocarbyl group having a number average molecular weight of about 500 to about 3000 (or about 500 to about 2100, or about 500 to about 1800, or about 500 to about 1500).
- R 1 of Formula I is hydrogen or a C1 to C4 alkyl group
- R 2 of Formula I is a polyisobutenyl group having a number average molecular weight of about 500 to about 1500. Values of number average molecular weight as disclosed herein are measured by GPC using polystyrene as reference.
- a fuel additive or additive package may include about 20 to about 60 weight percent of the above-described Mannich detergent, about 25 to about 50 weight percent of the Mannich detergent, or about 30 to about 45 weight percent of the Mannich detergent (based on the total weight of the active Mannich detergent in the fuel additive).
- the fuel composition When blended into a gasoline fuel, the fuel composition may include about 15 ppmw to about 300 ppmw of the above-described Mannich detergent, about 25 ppmw to about 155 ppmw, or about 55 ppmw to about 125 ppmw of the Mannich detergent in the fuel composition (active Mannich detergent treat rates).
- the fuel additives herein includes a single type of Mannich detergents.
- the fuel additives or fuels herein may also include one or more hydrocarbyl-substituted dicarboxylic anhydride derivatives, and preferably, one or more hydrocarbyl-substituted succinimide detergents.
- this additive may be prepared by reacting a hydrocarbyl-substituted succinic acylating agent with an amine, polyamine, or alkyl amine having one or more primary, secondary, or tertiary amino groups.
- the hydrocarbyl substituted dicarboxylic anhydride derivative includes hydrocarbyl succinimides, succinamides, succinimide-amides and succinimide-esters.
- These nitrogen-containing derivatives of hydrocarbyl succinic acylating agents may be prepared by reacting a hydrocarbyl-substituted succinic acylating agent with an amine, polyamine, or alkyl amine having one or more primary, secondary, or tertiary amino groups.
- the succinimide detergents may be mono-succinimides, bis-succinimides, or combinations thereof.
- the hydrocarbyl substituted dicarboxylic anhydride derivative may include a hydrocarbyl substituent having a molecular weight or a number average molecular weight ranging from about 450 to about 3000 as measured by GPC using polystyrene as reference.
- the derivative may be selected from a diamide, acid/amide, acid/ester, diacid, amide/ester, diester, and imide.
- Such derivative may be made from reacting a hydrocarbyl substituted dicarboxylic anhydride with ammonia, a polyamine, or an alkyl amine having one or more primary, secondary, or tertiary amino groups.
- the polyamine or alkyl amine may be tetraethylene pentamine (TEPA), triethylenetetramine (TETA), and the like amines.
- TEPA tetraethylene pentamine
- TETA triethylenetetramine
- the polyamine or alkyl amine may have the formula H 2 N-((CHR 20 -(CH 2 ) q -NH) r -H, wherein R 20 thereof is hydrogen or an alkyl group having from 1 to 4 carbon atoms, q is an integer of from 1 to 4 and r is an integer of from 1 to 6, and mixtures thereof.
- a molar ratio of the hydrocarbyl substituted dicarboxylic anhydride reacted with the ammonia, polyamine, or alkyl amine may be from about 0.5:1 to about 2:1, in other approaches about 1:1 to about 2:1, or in other approaches, about 1:1 to about 1.6:1.
- the hydrocarbyl substituted dicarboxylic anhydride may be a hydrocarbyl carbonyl compound of the Formula IV: where R 10 of Formula IV is a hydrocarbyl group derived from a polyolefin.
- the hydrocarbyl carbonyl compound may be a polyalkylene succinic anhydride reactant wherein R 10 is a hydrocarbyl moiety, such as for example, a polyalkenyl radical having a number average molecular weight of from about 450 to about 3000 as measured by GPC using polystyrene as reference.
- the number average molecular weight of R 10 may range from about 600 to about 2500, or from about 700 to about 1500 or about 850 to about 1000, as measured by GPC using polystyrene as reference.
- a particularly useful R 10 of Formula IV has a number average molecular weight of about 900 to about 1000 Daltons (as measured by GPC using polystyrene as reference) and comprises polyisobutylene. Unless indicated otherwise, molecular weights in the present specification are number average molecular weights as measured by GPC using polystyrene as reference.
- the R 10 hydrocarbyl moiety of Formula IV may include one or more polymer units chosen from linear or branched alkenyl units.
- the alkenyl units may have from about 2 to about 10 carbon atoms.
- the polyalkenyl radical may comprise one or more linear or branched polymer units chosen from ethylene radicals, propylene radicals, butylene radicals, pentene radicals, hexene radicals, octene radicals and decene radicals.
- the R 10 polyalkenyl radical may be in the form of, for example, a homopolymer, copolymer or terpolymer.
- the polyalkenyl radical is isobutylene.
- the polyalkenyl radical may be a homopolymer of polyisobutylene comprising from about 10 to about 60 isobutylene groups, such as from about 20 to about 30 isobutylene groups.
- the polyalkenyl compounds used to form the R 10 polyalkenyl radicals may be formed by any suitable methods, such as by conventional catalytic oligomerization of alkenes.
- high reactivity polyisobutenes having relatively high proportions of polymer molecules with a terminal vinylidene group may be used to form the R 10 group.
- at least about 60%, such as about 70% to about 90%, of the polyisobutenes comprise terminal olefinic double bonds.
- High reactivity polyisobutenes are disclosed, for example, in US 4,152,499 , the disclosure of which is herein incorporated by reference in its entirety.
- approximately one mole of maleic anhydride may be reacted per mole of polyalkylene, such that the resulting polyalkenyl succinic anhydride has about 0.8 to about 1 succinic anhydride group per polyalkylene substituent.
- the molar ratio of succinic anhydride groups to polyalkylene groups may range from about 0.5 to about 3.5, such as from about 1 to about 1.1.
- the hydrocarbyl carbonyl compounds may be made using any suitable method.
- One example of a method for forming a hydrocarbyl carbonyl compound comprises blending a polyolefin and maleic anhydride.
- the polyolefin and maleic anhydride reactants are heated to temperatures of, for example, about 150°C to about 250°C, optionally, with the use of a catalyst, such as chlorine or peroxide.
- a catalyst such as chlorine or peroxide.
- Another exemplary method of making the polyalkylene succinic anhydrides is described in US 4,234,435 , which is incorporated herein by reference in its entirety.
- the polyamine reactant may be an alkylene polyamine.
- the polyamine may be selected from ethylene polyamine, propylene polyamine, butylenes polyamines, and the like.
- the polyamine is an ethylene polyamine that may be selected from ethylene diamine, diethylene triamine, triethylene tetramine, tetraethylene pentamine, pentaethylene hexamine, and N, N'-(iminodi-2,1,ethanediyl) bis-1,3- propanediamine.
- a particularly useful ethylene polyamine is a compound of the formula H 2 N-((CHR 1 -(CH 2 ) q -NH) r -H, wherein R 1 thereof is hydrogen, q is 1 and r is 4.
- the hydrocarbyl substituted dicarboxylic anhydride derivative is a compound of Formula V wherein R 10 of Formula V is a hydrocarbyl group (such as polyisobutylene and/or the other above described R 10 moieties) and R 11 of Formula V is a hydrogen, an alkyl group, an aryl group, -OH, -NHR 12 , or a polyamine, or an alkyl group containing one or more primary, secondary, or tertiary amino groups.
- R 10 of Formula V is a hydrocarbyl group (such as polyisobutylene and/or the other above described R 10 moieties) and R 11 of Formula V is a hydrogen, an alkyl group, an aryl group, -OH, -NHR 12 , or a polyamine, or an alkyl group containing one or more primary, secondary, or tertiary amino groups.
- R 11 of Formula V is derived from ethylene diamine, diethyelene triamine, triethylene tetraamine, tetraethylene pentamine, pentaethylene hexamine, N,N'-(iminodi-2,1,ethanediyl)bis-1,3-propanediamine and combinations thereof.
- R 10 of Formula V is a hydrocarbyl group and R 11 is hydrogen, an alkyl group, an aryl group, -OH, -NHR 12 , or a polyamine and wherein R 12 thereof is a hydrogen or an alkyl group.
- the additive of Formula V includes a hydrocarbyl substituted succinimide derived from ethylene diamine, diethylene triamine, triethylene tetraamine, tetraethylene pentamine, pentaethylene hexamine, N,N'-(iminodi-2,1,ethanediyl)bis-1,3-propanediamine and combinations thereof.
- R 10 in the compound of Formula V is a hydrocarbyl group having a number average molecular weight from about 450 to about 3,000 and R 11 is derived from tetraethylene pentamine and derivatives thereof.
- R 11 is a radical of Formula VI wherein A is NR 12 or an oxygen atom, R 12 , R 13 , and R 14 of Formula VI are independently a hydrogen atom or an alkyl group, m and p are integers from 2 to 8; and n is an integer from 0 to 4.
- R 13 and R 14 of Formula VI together with the nitrogen atom to which they are attached, form a 5 membered ring.
- the succinimide detergent herein is a hydrocarbyl substituted mono-succinimide detergent, a hydrocarbyl substituted bis-succinimide detergent, or a combination thereof.
- the succinimide detergent may be derived from polyisobutylene succinic anhydride and the amine in a 1:1 to a 1:6 molar ratio.
- a fuel additive or the fuel herein may include about 0.5 to about 10 weight percent of the active succinimide detergent, about 0.5 to about 8 weight percent of the succinimide detergent, or about 1 to about 5 weight percent of the succinimide detergent (based on the total weight of the active succinimide within the fuel additive).
- the fuel When blended into a gasoline fuel, the fuel may include about 0.5 ppmw to about 20 ppmw of the active succinimide detergent, about 1 ppmw to about 10 ppmw, or about 2 ppmw to about 5 ppmw of the succinimide detergent in the fuel (based on total weight of the active succinimide).
- the fuel additive and fuels herein include a select weight ratio of the Mannich detergent to the succinimide detergent.
- the fuel additives or fuels of the present disclosure may also include one or more optional alkoxylated alcohols.
- the alkoxylated alcohol is preferably a polyether prepared by reacting an long chain alkyl alcohol or alkylphenol with an alkylene oxide.
- the alkoxylated alcohol may be one or more hydrocarbyl-terminated or hydrocarbyl-capped poly(oxyalkylene) polymers.
- the hydrocarbyl moieties thereof may be aryl or aliphatic groups, and preferably, aliphatic chains that are linear, branched or cyclic, and most preferably are linear aliphatic chains.
- the alkoxylated alcohols may have the structure of Formula IIIa, IIIb, and/or IIIc below: wherein R 6 of the Formula III structures above is an aryl group or a linear, branched, or cyclic aliphatic group and preferably having 5 to 50 carbons (or 5 to 30 carbons) or may be a -C m H 2m+1 group where m is an integer of 12 or more, R 7 of the Formula III structures above is a C1 to C4 alkyl group, and n is an integer from 5 to 100 (or as further discussed below).
- R 6 of the Formula III structures above is an aryl group or a linear, branched, or cyclic aliphatic group and preferably having 5 to 50 carbons (or 5 to 30 carbons) or may be a -C m H 2m+1 group where m is an integer of 12 or more
- R 7 of the Formula III structures above is a C1 to C4 alkyl group
- n is an integer from 5 to 100 (or as
- suitable alkoxylated alcohols are derived from lower alkylene oxides selected from the group consisting of ethylene oxide, propylene oxide, butylene oxide, copolymers thereof, and combinations thereof.
- the lower alkylene oxides are propylene oxide or butylene oxide or copolymers of ethylene oxide, propylene oxide, and butylene oxide (as well as any combinations thereof).
- the alkylene oxides are propylene oxide. Any copolymers of such alkylene oxides may be random or block copolymers.
- the alkoxylated alcohols may be terminated or capped with an aryl, alkyl, or hydrocarbyl group and may include one or more aryl or linear, branched, or cyclic aliphatic C5 to C30 terminated alkoxylated alcohols, and in other approaches, a C16 to C18 (or blend thereof) terminated alkoxylated alcohol having 5 to 100, 10 to 80, 20 to 50, or 22 to 32 repeating units of the alkylene oxide therein (that is, n integer of the formula above).
- the alkoxylated alcohols may have a weight average molecular weight of about 1300 to about 2600 and, in other approaches, about 1600 to about 2200.
- the aliphatic hydrocarbyl terminated alkoxylated alcohols may include about 20 to about 70 weight percent (in another approach, about 30 to about 50 weight percent) of an aliphatic C16 alkoxylated alcohol having 24 to 32 repeating units of alkoxylene oxide and/or may include about 80 to about 30 weight percent (in another approach, about 50 to about 70 weight percent) of an aliphatic C18 alkoxylated alcohol having 24 to 32 repeating units of alkoxylene oxide.
- the fuel additives herein if including an alkoxylated alcohol, may also have about 8 percent or less (in other approaches, about 6 percent or less, and in yet other approaches, about 4 percent or less) of C20 or greater alkoxylated alcohols and/or about 4 weight percent or less (in or other approaches about 2 weight percent or less, and in yet other approaches, about 1 percent or less) of C14 or lower alkoxylated alcohols.
- the aryl or hydrocarbyl-capped poly(oxyalkylene) alcohols may be produced by the addition of lower alkylene oxides, such as ethylene oxide, propylene oxide, or the butylene oxides, to a desired hydroxy compound R-OH (that is, a starter alcohol) under polymerization conditions, wherein R is the aryl or hydrocarbyl group having either 5 to 30 carbons or other chain length as noted above and which caps the poly(oxyalkylene) chain.
- R-OH that is, a starter alcohol
- the alkoxylated alcohols can be prepared by any starter alcohol that provides the desired polyol distribution.
- the alkoxylated alcohol can be prepared by reacting a saturated linear or branched alcohol of the desired hydrocarbon size with the selected alkylene oxide and a double metal or basic catalyst.
- the alkoxylated alcohol may be nonylphenol alkyxylated alcohol such as nonylphenol propoxylated alcohol.
- a single type of alkylene oxide may be employed, e.g., propylene oxide, in which case the product is a homopolymer, e.g., a poly(oxyalkylene) propanol.
- copolymers are equally satisfactory and random or block copolymers are readily prepared by contacting the hydroxyl-containing compound with a mixture of alkylene oxides, such as a mixture of ethylene, propylene, and/or butylene oxides. Random polymers are more easily prepared when the reactivities of the oxides are relatively equal. In certain cases, when ethylene oxides is copolymerized with other oxides, the higher reaction rate of ethylene oxide makes the preparation of random copolymers difficult.
- block copolymers can be prepared.
- Block copolymers are prepared by contacting the hydroxyl-containing compound with first one alkylene oxide, then the others in any order, or repetitively, under polymerization conditions.
- a particular block copolymer may be represented by a polymer prepared by polymerizing propylene oxide on a suitable monohydroxy compound to form a poly(oxypropylene) alcohol and then polymerizing butylene oxide on the poly(oxyalkylene) alcohol.
- a fuel additive or fuel herein, when included, may include about 5 to about 30 weight percent of the alkoxylated alcohol, about 8 to about 20 weight percent of the alkoxylated alcohol, or about 10 to about 15 weight percent of the alkoxylated alcohol (based on the active alkoxylated alcohol in the fuel additive).
- the fuel When blended into a gasoline fuel, the fuel may include about 2 ppmw to about 150 ppmw of the active alkoxylated alcohol, about 5 to about 150 ppmw, about 8 ppmw to about 50 ppmw, or about 15 ppmw to about 40 ppmw of the alkoxylated alcohol in the fuel.
- the above described additives may be employed in amounts sufficient to reduce or inhibit deposit formation in a fuel system, a combustion chamber of an engine and/or crankcase, and/or within fuel injectors and within a gasoline direction injection engine and/or a port fuel injection engine. Such additives may also be provided in amounts to improve injector performance as described herein.
- the fuel additive or fuel additive package herein may include at least the above described Mannich detergent, the succinimide detergent, and the optional alkoxylated alcohol.
- the fuel additives herein may also include other optional additives as needed for a particular application and may include as needed one or more of a demulsifier, a corrosion inhibitor, an antiwear additive, an antioxidant, a metal deactivator, an antistatic additive, a dehazer, an antiknock additive, a lubricity additive, and/or a combustion improver.
- the fuel additive or additive package herein may include about 20 to about 60 weight percent of the Mannich detergent and about 0.5 to about 10 weight percent of the succinimide detergent. In other approaches, the fuel additive or additive package may also include about 5 to about 30 weight percent of the alkoxylated alcohol. Other ranges of the Mannich detergent, the succinimide detergent, and the optional alkoxylated alcohol may also be used in the fuel additive, the additive package, or the fuel as described above in this disclosure.
- a gasoline fuel composition may include about 40 to about 750 ppmw of the fuel additive or the additive package herein, in other approaches, about 60 to about 380 ppmw, or about 135 to about 310 ppmw of the above noted fuel additive package and which provides about 15 to about 300 ppmw of the Mannich detergent and about 0.5 to about 20 ppmw of the succinimide detergent to the fuel (or other ranges as noted above).
- the fuel may also include about 2 to about 90 ppmw of the optional alkoxylated alcohol (or other ranges as noted above). It will also be appreciated that any endpoint between the above described ranges are also suitable range amounts as needed for a particular application.
- additives on an active ingredient basis, which means the additives noted above excludes the weight of (i) unreacted components associated with and remaining in the product as produced and used, and (ii) solvent(s), if any, used in the manufacture of the product either during or after its formation.
- the fuel additive package or fuel thereof also has a certain weight ratio of the alkoxylated alcohol to the Mannich detergent of about 1.0 or less (i.e., about 1.0:1 or less), about 0.8 or less (i.e., 0.8:1 or less), about 0.6 or less, about 0.5 or less, about 0.4 or less, or about 0.3 or less, and about 0.1 or more (i.e., 0.1:1 or more), about 0.2 or more, or about 0.3 or more.
- the fuel additive package or fuel thereof may also have a weight ratio of the Mannich detergent to the succinimide detergent of about 15:1 to about 30:1, or about 20:1 to about 30:1 or about 22:1 to about 30:1 (wherein the weight ratios are active Mannich detergent to the active succinimide detergent).
- the fuel additive package or fuel thereof may have a weight ratio of the Mannich detergent to the succinimide detergent from about 15:1 to about 25:1, or from about 20:1 to from about 25:1 (wherein the weight ratios are active Mannich detergent to the active succinimide detergent).
- the fuel additive package or fuel thereof may have a weight ratio of the Mannich detergent to the succinimide detergent from about 25:1 to about 30:1, or from about 26:1 to about 30:1 (wherein the weight ratios are active Mannich detergent to the active succinimide detergent). As shown in the Examples below, such weight ratios achieve a surprising synergy of the detergent additives in engine performance.
- the fuels may contain conventional quantities of cetane improvers, octane improvers, corrosion inhibitors, cold flow improvers (CFPP additive), pour point depressants, solvents, demulsifiers, lubricity additives, friction modifiers, amine stabilizers, combustion improvers, detergents, dispersants, antioxidants, heat stabilizers, conductivity improvers, metal deactivators, marker dyes, organic nitrate ignition accelerators, cyclomatic manganese tricarbonyl compounds, carrier fluids, and the like.
- CFPP additive cold flow improvers
- compositions described herein may contain about 10 weight percent or less, or in other aspects, about 5 weight percent or less, based on the total weight of the additive concentrate, of one or more of the above optional additives.
- the fuels may contain suitable amounts of conventional fuel blending components such as methanol, ethanol, dialkyl ethers, 2-ethylhexanol, and the like.
- organic nitrate ignition accelerators that include aliphatic or cycloaliphatic nitrates in which the aliphatic or cycloaliphatic group is saturated, and that contain up to about 12 carbons may be used.
- organic nitrate ignition accelerators examples include methyl nitrate, ethyl nitrate, propyl nitrate, isopropyl nitrate, allyl nitrate, butyl nitrate, isobutyl nitrate, sec-butyl nitrate, tert-butyl nitrate, amyl nitrate, isoamyl nitrate, 2-amyl nitrate, 3-amyl nitrate, hexyl nitrate, heptyl nitrate, 2-heptyl nitrate, octyl nitrate, isooctyl nitrate, 2-ethylhexyl nitrate, nonyl nitrate, decyl nitrate, undecyl nitrate, dodecyl nitrate, cyclopentyl nitrate, cyclohexyl
- metal deactivators useful in the compositions of the present application are disclosed in U.S. Pat. No. 4,482,357 , the disclosure of which is herein incorporated by reference in its entirety.
- metal deactivators include, for example, salicylidene-o-aminophenol, disalicylidene ethylenediamine, disalicylidene propylenediamine, and N,N'-disalicylidene-1,2-diaminopropane.
- Suitable optional cyclomatic manganese tricarbonyl compounds which may be employed in the compositions of the present application include, for example, cyclopentadienyl manganese tricarbonyl, methylcyclopentadienyl manganese tricarbonyl, indenyl manganese tricarbonyl, and ethylcyclopentadienyl manganese tricarbonyl.
- cyclopentadienyl manganese tricarbonyl methylcyclopentadienyl manganese tricarbonyl
- indenyl manganese tricarbonyl and ethylcyclopentadienyl manganese tricarbonyl.
- ethylcyclopentadienyl manganese tricarbonyl ethylcyclopentadienyl manganese tricarbonyl.
- suitable cyclomatic manganese tricarbonyl compounds are disclosed in U.S. Pat. No. 5,575,823 and U.S. Pat. No.
- detergents include but are not limited to succinimides, Mannich base detergents, PIB amine, quaternary ammonium detergents, bis-aminotriazole detergents as generally described in U.S. patent application Ser. No. 13/450,638 , and a reaction product of a hydrocarbyl substituted dicarboxylic acid, or anhydride and an aminoguanidine, wherein the reaction product has less than one equivalent of amino triazole group per molecule as generally described in U.S. patent application Ser. Nos. 13/240,233 and 13/454,697 .
- the additives of the present application and optional additives used in formulating the fuels of this invention may be blended into the base fuel individually or in various subcombinations.
- the additive components of the present application may be blended into the fuel concurrently using an additive concentrate, as this takes advantage of the mutual compatibility and convenience afforded by the combination of ingredients when in the form of an additive concentrate. Also, use of a concentrate may reduce blending time and lessen the possibility of blending errors.
- the fuels of the present application may be applicable to the operation of diesel, jet, or gasoline engines, and preferably, spark-ignition or gasoline engines.
- the engines may include both stationary engines (e.g., engines used in electrical power generation installations, in pumping stations, etc.) and ambulatory engines (e.g., engines used as prime movers in automobiles, trucks, road-grading equipment, military vehicles, etc.).
- the fuels may include any and all middle distillate fuels, diesel fuels, biorenewable fuels, biodiesel fuel, fatty acid alkyl ester, gas-to-liquid (GTL) fuels, gasoline, jet fuel, alcohols, ethers, kerosene, low sulfur fuels, synthetic fuels, such as Fischer-Tropsch fuels, liquid petroleum gas, bunker oils, coal to liquid (CTL) fuels, biomass to liquid (BTL) fuels, high asphaltene fuels, fuels derived from coal (natural, cleaned, and petcoke), genetically engineered biofuels and crops and extracts therefrom, and natural gas.
- the additives herein are used in spark-ignition fuels or gasoline.
- Biorenewable fuels as used herein is understood to mean any fuel which is derived from resources other than petroleum. Such resources include, but are not limited to, corn, maize, soybeans and other crops; grasses, such as switchgrass, miscanthus, and hybrid grasses; algae, seaweed, vegetable oils; natural fats; and mixtures thereof.
- the biorenewable fuel can comprise monohydroxy alcohols, such as those comprising from 1 to about 5 carbon atoms.
- suitable monohydroxy alcohols include methanol, ethanol, propanol, n-butanol, isobutanol, t-butyl alcohol, amyl alcohol, and isoamyl alcohol.
- Preferred fuels include diesel fuels.
- aspects of the present application are directed to methods of or the use of the noted fuel additive package for controlling or reducing fuel injector deposits, controlling or reducing intake valve deposits, controlling or reducing combustion chamber deposits, and/or controlling or reducing intake valve sticking in one of port-injection engines, direct-injection engines, and preferably both engine types.
- the fuel additives and fuels herein are configured to reduces deposits when sprayed from an injector in droplets of about 10 to about 30 microns, when sprayed from an injector in droplets of about 120 to about 200 microns, or both.
- the fuel additives and fuels herein surprisingly provide improved engine performance as defined herein in both port fuel injected engines (PFI) as well as gasoline direct injection engines (GDI).
- the method may also comprise mixing into the fuel at least one of the optional additional ingredients described above.
- the improved engine performance may be evaluated pursuant to the test protocols of ASTM D6201 or by the methods as set forth in the following two SAE publications: Smith, S. and Imoehl, W., "Measurement and Control of Fuel Injector Deposits in Direct Injection Gasoline Vehicles," SAE Technical Paper 2013-01-2616, 2013, doi: 10.4271/2013-01-2616 and/or Shanahan, C., Smith, S., and Sears, B., "A General Method for Fouling Injectors in Gasoline Direct Injection Vehicles and the Effects of Deposits on Vehicle Performance," SAE Int. J. Fuels Lubr. 10(3):2017, doi:10.4271/2017-01-2298 , both of which are incorporated herein by reference. Intake valve sticking may be evaluated using the test protocols at Southwest Research Institute (SWRI, San Antonio Texas) or similar test house.
- SWRI Southwest Research Institute
- hydrocarbyl substituent or “hydrocarbyl group” is used in its ordinary sense, which is well-known to those skilled in the art. Specifically, it refers to a group having a carbon atom directly attached to the remainder of the molecule and having a predominantly hydrocarbon character.
- Each hydrocarbyl group is independently selected from hydrocarbon substituents, and substituted hydrocarbon substituents containing one or more of halo groups, hydroxyl groups, alkoxy groups, mercapto groups, nitro groups, nitroso groups, amino groups, pyridyl groups, furyl groups, imidazolyl groups, oxygen and nitrogen, and wherein no more than two non-hydrocarbon substituents are present for every ten carbon atoms in the hydrocarbyl group.
- percent by weight or "wt%”, unless expressly stated otherwise, means the percentage the recited component represents to the weight of the entire composition. All percent numbers herein, unless specified otherwise, is weight percent.
- alkyl refers to straight, branched, cyclic, and/or substituted saturated chain moieties from about 1 to about 200 carbon atoms.
- alkenyl refers to straight, branched, cyclic, and/or substituted unsaturated chain moieties from about 3 to about 30 carbon atoms.
- aryl refers to single and multi-ring aromatic compounds that may include alkyl, alkenyl, alkylaryl, amino, hydroxyl, alkoxy, halo substituents, and/or heteroatoms including, but not limited to, nitrogen, and oxygen.
- the molecular weight is determined by gel permeation chromatography (GPC) using commercially available polystyrene standards (with a Mp of about 162 to about 14,000 as the calibration reference).
- Mp molecular weight
- the molecular weight (Mn) for any embodiment herein may be determined with a gel permeation chromatography (GPC) instrument obtained from Waters or the like instrument and the data processed with Waters Empower Software or the like software.
- the GPC instrument may be equipped with a Waters Separations Module and Waters Refractive Index detector (or the like optional equipment).
- the GPC operating conditions may include a guard column, 4 Agilent PLgel columns (length of 300 ⁇ 7.5 mm; particle size of 5 ⁇ , and pore size ranging from 100-10000 ⁇ ) with the column temperature at about 40 °C. Un-stabilized HPLC grade tetrahydrofuran (THF) may be used as solvent, at a flow rate of 0.38 mL/min.
- the GPC instrument may be calibrated with commercially available polystyrene (PS) standards having a narrow molecular weight distribution ranging from 500 - 380,000 g/mol. The calibration curve can be extrapolated for samples having a mass less than 500 g/mol.
- PS polystyrene
- Samples and PS standards can be in dissolved in THF and prepared at concentration of 0.1-0.5 weight percent and used without filtration.
- GPC measurements are also described in US 5,266,223 , which is incorporated herein by reference.
- the GPC method additionally provides molecular weight distribution information; see, for example, W. W. Yau, J. J. Kirkland and D. D. Bly, "Modern Size Exclusion Liquid Chromatography", John Wiley and Sons, New York, 1979 , also incorporated herein by reference.
- a major amount refers to greater than 50 weight percent (greater than 60 weight percent, greater than 70 weight percent, greater than 80 weight percent or greater than 90 weight percent), and a minor amount refers to less than 50 weight percent (less than 40 weight percent, less than 30 weight percent, less than 20 weight percent, or less than 10 weight percent).
- Aromatics (vol-%) ⁇ 35 27.9 29.1 Olefins (vol-%) ⁇ 15 4.7 1.2 Saturates (vol-%) n.a. 67.4 69.7 Ethanol (vol-%) n.a. 9.3 ⁇ 0.10 Oxygen Content ⁇ 2.7 3.84 ⁇ 0.02 Sulfur (ppm) ⁇ 10 8.4 30 RON 89-95 98.2 97.4 MON 87.5 89 Octane (R+M)/2 84-90 92.85 93.2 ASTM D-86 (Temperature °F) Initial Boiling Point ⁇ . a. 87 84.6 5% n.a. 99.9 108 10% 158 110.5 121.5 20% n.a.
- the Mannich detergent was prepared from a high reactivity polyisobutylene cresol, dibutylamine, and formaldehyde according to a known method (see, e.g., US 6,800,103 , which is incorporated herein by reference); the propoxylated alcohol was a blend of commercially available C16-C18 propoxylated alcohols; and the succinimide detergents were derived from polyisobutylene succinic anhydride (PIBSA) and tetraethylene pentamine (TEPA) in a 1:1 to 1.6:1 molar ratio, where the polyisobutylene had an about 950 molecular weight.
- PIBSA polyisobutylene succinic anhydride
- TEPA tetraethylene pentamine
- Base fuel C was investigated for a DU level by indirect measurements of injector fouling, such as by pulse width or long term fuel trim (LTFT), on a gasoline direct injection GM LHU engine pursuant to the RIFT methods as set forth in Smith, S. and Imoehl, W., "Measurement and Control of Fuel Injector Deposits in Direct Injection Gasoline Vehicles," SAE Technical Paper 2013-01-2616, 2013, doi:10.4271/2013-01-2616 and/or Shanahan, C., Smith, S., and/or Sears, B., "A General Method for Fouling Injectors in Gasoline Direct Injection Vehicles and the Effects of Deposits on Vehicle Performance," SAE Int. J. Fuels Lubr. 10(3):2017, doi: 10.4271/2017-01-2298 , both of which are incorporated by reference herein.
- LTFT pulse width or long term fuel trim
- GDI clean up (CU) deposit tests were conducted to demonstrate the removal of deposits that had been formed in the fuel injectors during the dirty-up (DU) phase.
- the Additive packages of Table 2 were blended into the Base Fuel C that was used for DU.
- the test procedure consisted of a 114 hour cycle at 2000 rpm and 100 Nm torque with continuous monitoring of injection pulse width to maintain stoichiometric Air/Fuel ratio on the GM LHU engine. After 66 hours of test operation, the fuel was changed to an additized formulation that is designed to have a clean-up effect.
- the percentage of injector pulse width increase, and subsequent decrease, after completion of the 114 hour cycle is one parameter for evaluating the fouling or cleaning effect of the fuel candidate.
- FIG. 1 shows the DU phase (open symbols) and CU phase (closed symbols) of Comparative additive packages C-1 and C-2 relative to Inventive additive package I-1d.
- the Comparative sample C-1 with only the Mannich detergent continued a dirty-up phase in the GDI engine (that is, no clean-up performance), but Inventive sample I-1d demonstrated improved clean-up with both the Mannich and the succinimide detergents in the noted ratios.
- Inventive sample I-1d with both the Mannich detergent and the succinimide detergent demonstrated an unexpected synergy in performance. That is, it would not have been expected that the clean-up performance with both the succinimide and the Mannich detergents would have been better than the clean-up performance of comparative sample C-2 including only the succinimide detergent given that the Mannich detergent alone provided no clean-up performance (but rather continues DU).
- Table 3 and FIG. 2 shows a similar pattern of an unexpected synergy with inventive sample I-2c (both Mannich and succinimide detergents) compared to C-1 (Mannich detergent only) and C-2 (succinimide detergent only).
- each range disclosed herein is to be interpreted as a disclosure of each specific value within the disclosed range that has the same number of significant digits.
- a range from 1 to 4 is to be interpreted as an express disclosure of the values 1, 2, 3 and 4 as well as any range of such values.
- each lower limit of each range disclosed herein is to be interpreted as disclosed in combination with each upper limit of each range and each specific value within each range disclosed herein for the same component, compounds, substituent or parameter.
- this disclosure to be interpreted as a disclosure of all ranges derived by combining each lower limit of each range with each upper limit of each range or with each specific value within each range, or by combining each upper limit of each range with each specific value within each range. That is, it is also further understood that any range between the endpoint values within the broad range is also discussed herein.
- a range from 1 to 4 also means a range from 1 to 3, 1 to 2, 2 to 4, 2 to 3, and so forth.
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US17/936,987 US12024686B2 (en) | 2022-09-30 | 2022-09-30 | Gasoline additive composition for improved engine performance |
US202318361286A | 2023-07-28 | 2023-07-28 |
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- 2023-09-06 EP EP23195748.1A patent/EP4345150A1/de active Pending
- 2023-09-06 EP EP23195793.7A patent/EP4345151A1/de active Pending
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CA3211252A1 (en) | 2024-03-30 |
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