CN115975702A - Gasoline engine oil composition and preparation method thereof - Google Patents
Gasoline engine oil composition and preparation method thereof Download PDFInfo
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- CN115975702A CN115975702A CN202111197540.XA CN202111197540A CN115975702A CN 115975702 A CN115975702 A CN 115975702A CN 202111197540 A CN202111197540 A CN 202111197540A CN 115975702 A CN115975702 A CN 115975702A
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- 239000000203 mixture Substances 0.000 title claims abstract description 64
- 239000010711 gasoline engine oil Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title abstract description 8
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 150000001875 compounds Chemical class 0.000 claims abstract description 18
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002199 base oil Substances 0.000 claims abstract description 13
- 239000003607 modifier Substances 0.000 claims abstract description 12
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 10
- 230000001050 lubricating effect Effects 0.000 claims abstract description 9
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 9
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229960002317 succinimide Drugs 0.000 claims abstract description 7
- DHIGRALKNXRCCE-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol;butanedioic acid Chemical compound OC(=O)CCC(O)=O.OCC(CO)(CO)CO DHIGRALKNXRCCE-UHFFFAOYSA-N 0.000 claims abstract description 6
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000047 product Substances 0.000 claims description 39
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 125000000217 alkyl group Chemical group 0.000 claims description 22
- -1 ethylene- Chemical class 0.000 claims description 19
- 239000007795 chemical reaction product Substances 0.000 claims description 18
- 125000002947 alkylene group Chemical group 0.000 claims description 11
- 239000002168 alkylating agent Substances 0.000 claims description 10
- 229940100198 alkylating agent Drugs 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 8
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 244000226021 Anacardium occidentale Species 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 150000008301 phosphite esters Chemical class 0.000 claims description 5
- 238000005804 alkylation reaction Methods 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 4
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000001624 naphthyl group Chemical group 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- OSPSWZSRKYCQPF-UHFFFAOYSA-N dibutoxy(oxo)phosphanium Chemical compound CCCCO[P+](=O)OCCCC OSPSWZSRKYCQPF-UHFFFAOYSA-N 0.000 claims description 2
- 150000005690 diesters Chemical class 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 2
- 239000008186 active pharmaceutical agent Substances 0.000 claims 1
- QPKOILOWXGLVJS-UHFFFAOYSA-N bis(2-methylpropoxy)-oxophosphanium Chemical compound CC(C)CO[P+](=O)OCC(C)C QPKOILOWXGLVJS-UHFFFAOYSA-N 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000003963 antioxidant agent Substances 0.000 abstract description 13
- 230000003078 antioxidant effect Effects 0.000 abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 32
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 23
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 20
- 229910052757 nitrogen Inorganic materials 0.000 description 16
- 239000002904 solvent Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000003054 catalyst Substances 0.000 description 14
- 239000003921 oil Substances 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 230000003647 oxidation Effects 0.000 description 12
- 238000007254 oxidation reaction Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- 238000001816 cooling Methods 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- 238000005406 washing Methods 0.000 description 10
- 238000004821 distillation Methods 0.000 description 9
- 239000010687 lubricating oil Substances 0.000 description 9
- 239000002808 molecular sieve Substances 0.000 description 9
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 9
- 239000002994 raw material Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 150000002989 phenols Chemical class 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 239000003502 gasoline Substances 0.000 description 6
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 4
- JOLVYUIAMRUBRK-UHFFFAOYSA-N 11',12',14',15'-Tetradehydro(Z,Z-)-3-(8-Pentadecenyl)phenol Natural products OC1=CC=CC(CCCCCCCC=CCC=CCC=C)=C1 JOLVYUIAMRUBRK-UHFFFAOYSA-N 0.000 description 4
- YLKVIMNNMLKUGJ-UHFFFAOYSA-N 3-Delta8-pentadecenylphenol Natural products CCCCCCC=CCCCCCCCC1=CC=CC(O)=C1 YLKVIMNNMLKUGJ-UHFFFAOYSA-N 0.000 description 4
- KZMGYPLQYOPHEL-UHFFFAOYSA-N Boron trifluoride etherate Chemical compound FB(F)F.CCOCC KZMGYPLQYOPHEL-UHFFFAOYSA-N 0.000 description 4
- JOLVYUIAMRUBRK-UTOQUPLUSA-N Cardanol Chemical compound OC1=CC=CC(CCCCCCC\C=C/C\C=C/CC=C)=C1 JOLVYUIAMRUBRK-UTOQUPLUSA-N 0.000 description 4
- FAYVLNWNMNHXGA-UHFFFAOYSA-N Cardanoldiene Natural products CCCC=CCC=CCCCCCCCC1=CC=CC(O)=C1 FAYVLNWNMNHXGA-UHFFFAOYSA-N 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- PTFIPECGHSYQNR-UHFFFAOYSA-N cardanol Natural products CCCCCCCCCCCCCCCC1=CC=CC(O)=C1 PTFIPECGHSYQNR-UHFFFAOYSA-N 0.000 description 4
- 235000020226 cashew nut Nutrition 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000003254 radicals Chemical class 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 3
- 125000003636 chemical group Chemical group 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000010705 motor oil Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- NBRKLOOSMBRFMH-UHFFFAOYSA-N tert-butyl chloride Chemical compound CC(C)(C)Cl NBRKLOOSMBRFMH-UHFFFAOYSA-N 0.000 description 3
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 3
- 238000003828 vacuum filtration Methods 0.000 description 3
- 239000011592 zinc chloride Substances 0.000 description 3
- 235000005074 zinc chloride Nutrition 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- DMEGYFMYUHOHGS-UHFFFAOYSA-N cycloheptane Chemical compound C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical group 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 2
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- ODLMAHJVESYWTB-UHFFFAOYSA-N propylbenzene Chemical compound CCCC1=CC=CC=C1 ODLMAHJVESYWTB-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 2
- VNDYJBBGRKZCSX-UHFFFAOYSA-L zinc bromide Chemical compound Br[Zn]Br VNDYJBBGRKZCSX-UHFFFAOYSA-L 0.000 description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- 229910015900 BF3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- GWBUAGAPOIBIRT-UHFFFAOYSA-G [F-].[Al+3].[Si+4].[F-].[F-].[F-].[F-].[F-].[F-] Chemical compound [F-].[Al+3].[Si+4].[F-].[F-].[F-].[F-].[F-].[F-] GWBUAGAPOIBIRT-UHFFFAOYSA-G 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 239000011831 acidic ionic liquid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002152 alkylating effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- DVQJZMHWNRXGSM-UHFFFAOYSA-N bis(2-methylpropyl) hydrogen phosphite Chemical compound CC(C)COP(O)OCC(C)C DVQJZMHWNRXGSM-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- LMGZGXSXHCMSAA-UHFFFAOYSA-N cyclodecane Chemical compound C1CCCCCCCCC1 LMGZGXSXHCMSAA-UHFFFAOYSA-N 0.000 description 1
- GPTJTTCOVDDHER-UHFFFAOYSA-N cyclononane Chemical compound C1CCCCCCCC1 GPTJTTCOVDDHER-UHFFFAOYSA-N 0.000 description 1
- WJTCGQSWYFHTAC-UHFFFAOYSA-N cyclooctane Chemical compound C1CCCCCCC1 WJTCGQSWYFHTAC-UHFFFAOYSA-N 0.000 description 1
- 239000004914 cyclooctane Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229960004132 diethyl ether Drugs 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000011964 heteropoly acid Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- ZCYXXKJEDCHMGH-UHFFFAOYSA-N nonane Chemical compound CCCC[CH]CCCC ZCYXXKJEDCHMGH-UHFFFAOYSA-N 0.000 description 1
- BKIMMITUMNQMOS-UHFFFAOYSA-N normal nonane Natural products CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- IYDGMDWEHDFVQI-UHFFFAOYSA-N phosphoric acid;trioxotungsten Chemical compound O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.OP(O)(O)=O IYDGMDWEHDFVQI-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- RKSOPLXZQNSWAS-UHFFFAOYSA-N tert-butyl bromide Chemical compound CC(C)(C)Br RKSOPLXZQNSWAS-UHFFFAOYSA-N 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229940102001 zinc bromide Drugs 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Lubricants (AREA)
Abstract
The invention provides a gasoline engine oil composition and a preparation method thereof. The gasoline engine oil composition comprises the following components: (a) a phenolic derivative, (B) an alkylated diphenylamine, (C) pentaerythritol succinate and/or polyisobutylene succinimide, (D) a sulfonate and/or sulfurized alkylphenate, (E) a dialkyl dithiophosphate, (F) a compound friction modifier, (G) a phosphite, (H) a major amount of a lubricating base oil, wherein the phenolic derivative has the structure shown in formula (I):
Description
Technical Field
The invention relates to the field of lubricating oil, in particular to a gasoline engine oil composition with excellent antioxidant performance and a preparation method thereof.
Background
The requirements of environmental protection and energy conservation promote the development of engine technology and the continuous upgrading and updating of gasoline and engine oil, and the performance requirements of oil products on the aspects of oxidation resistance, cleanness and the like are higher and higher. The current highest quality class of gasoline engine lubricating oils is the SP/GF-6 grade established by the American Petroleum Institute (API) and the International lubricating oil standardization and certification Committee (ILSAC).
The modern gasoline engine has the advantages of improved power, miniaturization, improved compression ratio and increased heat load, and requires better oxidation resistance and capability of inhibiting generation of sediments. The engine test for evaluating the high-temperature oxidation resistance increase in the specification of the API gasoline engine lubricating oil is developed from 64 hours of procedure IIIE to 80 hours of procedure IIIF to 100 hours of the current procedure IIIG, the requirement of the viscosity increase is reduced from no more than 375 percent to 275 percent and 150 percent, and the requirement on the high-temperature oxidation resistance is greatly improved. Meanwhile, the requirement on the detergency is more and more strict, the TEOST-MHT test for simulating the high-temperature deposit of the piston requires that the SL does not exceed 45mg, the TEOST-MHT test is developed to 35mg of SM and SN specifications, and the requirement on inhibiting the generation of the deposit is obviously improved.
The antioxidant is an essential additive in the processing industries of lubricating oil, fuel oil and plastic rubber, has various types, mainly comprises a phenol type, an amine type, a phenolic ester type, a thioester type, a phosphite ester type and the like, wherein the hindered phenol type antioxidant is widely applied due to the excellent antioxidant effect.
At present, hindered phenol antioxidants widely used in the fields of lubricating oil, fuel oil and the like are symmetrical hindered phenol antioxidants, and related patents are numerous, for example, CN 1611563A provides a symmetrical hindered phenol antioxidant which has the characteristics of low condensation point and strong oxidation resistance, CN 100586929C and CN 103320198A both provide a symmetrical hindered phenol antioxidant containing thioether, and the antioxidant has the characteristics of normal-temperature liquid state and good oxidation resistance, but the antioxidants have the defect of strong steric hindrance effect in a molecular structure commonly existing in symmetrical hindered phenol. The ortho positions of the hydroxyl in the asymmetric hindered phenol are two different substituent groups, so that the steric hindrance effect of the phenolic hydroxyl is weakened, the activity of the phenolic hydroxyl is improved by reducing the steric hindrance effect, and the improvement of the anti-oxygen performance of the asymmetric hindered phenol is facilitated.
The cardanol is a main component of cashew nut shell liquid, is a natural phenolic compound, is an important agricultural and sideline product for cashew nut production, and is wide in source and huge in storage amount. Therefore, the non-hindered phenol antioxidant is synthesized by adopting the abundant and low-cost natural compounds as raw materials, and meets the definition of green chemistry and the strategic requirements of national sustainable development.
In view of this, there is still a need in the art to develop novel asymmetric hindered phenol antioxidants with better performance to meet the increasingly severe working condition requirements of gasoline and engine oil.
Disclosure of Invention
The invention provides a gasoline engine oil composition and a preparation method thereof.
The gasoline engine oil composition comprises the following components:
(A) Phenolic derivatives, accounting for 0.1-10% (preferably 0.5-5%) of the total mass of the composition;
(B) Alkylated diphenylamine, in an amount of 0.1-10% (preferably 0.5-8%) by weight of the total composition;
(C) Pentaerythritol succinate and/or polyisobutylene succinimide which account for 1-15% (preferably 2-10%) of the total mass of the composition;
(D) Sulfonate and/or sulfurized alkylphenate containing calcium in an amount of 100 to 2000ppm (preferably 600 to 1000 ppm) based on the total mass of the composition;
(E) Dialkyl dithiophosphate, accounting for 0.1-6% (preferably 0.3-4%) of the total mass of the composition;
(F) The composite friction modifier accounts for 0.1-6% (preferably 0.3-4%) of the total mass of the composition;
(G) Phosphite ester accounting for 0.03-4% (preferably 0.1-2%) of the total mass of the composition;
(H) A major amount of a lubricating base oil;
wherein the structure of the phenolic derivative is shown as the formula (I):
in the formula (I), R 0 The radicals being selected from C 1 ～C 6 Is straight or branched alkyl (preferably selected from C) 1 ～C 4 More preferably selected from methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl); m is an integer of 1 to 10 (preferably an integer of 1 to 5);
each R is 0 ' the groups are each independently selected from a single bond, C 1-20 Straight or branched alkylene (preferably selected from single bond and C) 1-10 Straight or branched chain alkylene, wherein R is bonded to the adjacent benzene ring 0 ' the radicals are preferably selected from C 1～10 Linear or branched alkylene groups of (a); r 0 The "group is selected from hydrogen, C 1-20 Straight or branched alkyl (preferably selected from hydrogen, C) 1-10 Straight or branched chain alkyl);
each m A groups is independently selected from-CH = CH-, ethylene-, a group represented by formula (III), a group represented by formula (IV), a group represented by formula (V), a group represented by formula (VI), and at least one A group in formula (I) is selected from a group represented by formula (III), a group represented by formula (IV), a group represented by formula (V), or a group represented by formula (VI);
in formula (III), formula (IV), formula (V), formula (VI), each R' group is independently selected from C 1～20 Is preferably selected from C, H 1～10 Straight or branched alkyl of (a), H); n is an integer of 0 to 10 (preferably an integer of 0 to 5); n R groups are bonded to the naphthalene ring; n R groups are each independently selected from C 1～20 Is preferably independently selected from C 1～10 Straight or branched alkyl, H).
According to the invention, the phenolic derivative may be selected from the following specific compounds or mixtures thereof mixed in any proportion:
according to the invention, the preparation method of the phenolic derivative comprises the following steps:
step (1): carrying out alkylation reaction on a phenol compound shown as a formula (X) and an alkylating agent, and collecting a first reaction product;
in the formula (X), wherein m is an integer of 1 to 10 (preferably an integer of 1 to 5); each R is 0 ' the groups are each independently selected from a single bond, C 1-20 Straight or branched alkylene (preferably selected from the group consisting of single bond and C) 1-10 Straight or branched chain alkylene, wherein R is bonded to the adjacent benzene ring 0 ' the radicals are preferably selected from C 1～10 Linear or branched alkylene groups of (a); r 0 The "group is selected from hydrogen, C 1-20 Straight or branched alkyl (preferably selected from hydrogen, C) 1-10 Straight or branched chain alkyl);
step (2): reacting the first reaction product obtained in the step (1) with a compound shown as a formula (Y), and collecting a product;
in the formula (Y), n is an integer of 0 to 10 (preferably an integer of 0 to 5); n R groups are bonded to the naphthalene ring; n R groups are each independently selected from C 1～20 Is preferably independently selected from C 1～10 Straight or branched alkyl, H).
The phenol compound represented by formula (X) of the present invention is preferably derived from a natural plant cashew nut, contains a large amount of cashew nut shell oil in the cashew nut shell, contains meta-phenol as a main component, is generally called cardanol, and has the following structure:
wherein R is C 15 H (31+x) And x is 0, -2, -4 or-6.
According to the invention, in step (1), the alkylating agent preferably has the structure R 0 X, wherein R 0 The radicals being selected from C 1 ～C 6 Is straight or branched alkyl (preferably selected from C) 1 ～C 4 The straight-chain or branched alkyl group of (2) may be, for example, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl or tert-butyl, and the X group is F, cl, br or I (preferably Cl or Br). The alkylating agent can be tert-butyl chloride or tert-butyl bromide.
According to the present invention, in step (1), the molar ratio between the phenol compound represented by formula (X) and the alkylating agent is preferably 1:0.2 to 5, more preferably 1:0.5 to 2; the temperature at which the phenol compound represented by the formula (X) and the alkylating agent are alkylated is preferably 20 to 100 ℃, more preferably 40 to 70 ℃; the reaction time is generally as long as possible, and is preferably from 0.5 to 10 hours, most preferably from 3 to 5 hours.
According to the present invention, in the step (1), a catalyst, preferably a zinc halide, for example, zinc chloride or zinc bromide, is added to the reaction of alkylating the phenol compound represented by the formula (X) with an alkylating agent. The amount of the catalyst to be added is preferably 0.1 to 10% by weight, most preferably 2 to 6% by weight, based on the phenol compound represented by the formula (X). The catalyst can be removed by filtration, alkaline washing, water washing, etc. after the alkylation reaction is finished.
According to the present invention, in step (2), the molar ratio of the compound represented by formula (Y) to the phenol compound represented by formula (X) is preferably 1:1 to 6, more preferably 1:1 to 3; the temperature of the reaction between the first reaction product obtained in the step (1) and the compound shown in the formula (Y) is preferably 60-200 ℃, and more preferably 80-180 ℃; the reaction time is generally as long as possible, and is preferably from 2 to 6 hours, most preferably from 2 to 4 hours.
According to the present invention, in the step (2), preferably, the reaction of the first reaction product obtained in the step (1) with the compound represented by the formula (Y) is carried out in the presence of an inert gas, preferably nitrogen.
According to the present invention, in the step (2), a catalyst may or may not be added, preferably a catalyst is added, in the reaction of the first reaction product obtained in the step (1) with the compound represented by the formula (Y). The catalyst is preferably an acidic catalyst, and for example, a Lewis acid,
One or more of acid, molecular sieve, heteropoly acid, solid acid, acidic ionic liquid and supported catalyst thereof, wherein the supported catalyst carrier can be molecular sieve, alumina, zeolite, graphite, carbon black and resin. The acid catalyst can be one or more of aluminum trichloride, stannic chloride, boron trifluoride, sulfuric acid, hydrofluoric acid, phosphoric acid, Y-type molecular sieve, M-type molecular sieve, beta zeolite, mordenite, phosphotungstic acid, silicon aluminum fluoride and perfluoroalkanesulfonic acid and a supported catalyst thereof. The amount of the catalyst is preferably 1% to 10%, more preferably 1% to 5%, of the amount of the compound represented by the formula (Y).
According to the present invention, a solvent may or may not be added, preferably a solvent is added, in the reaction of step (1) and step (2). The solvent is preferably a hydrocarbon solvent, preferably one or more of alkane, aromatic hydrocarbon and ether, more preferably an alkane solvent, and for example, one or more of hexane, heptane, octane, nonane, decane, undecane, dodecane, cyclohexane, cycloheptane, cyclooctane, cyclononane, cyclodecane, benzene, toluene, xylene, ethylbenzene, propylbenzene, diethylether, propylether, isopropylether and butylether may be used. The amount of the solvent to be added is not particularly limited, as long as the reaction is promoted to proceed smoothly. The solvent may be removed by a known method, for example, distillation, rectification, etc., and is not particularly limited.
According to the invention, the reaction product is optionally washed and purified with a solvent, preferably a hydrocarbon solvent. The solvent may be removed by a conventional technique such as drying, evaporation, distillation, etc., and is not particularly limited.
The phenolic derivative prepared by the preparation method can be a compound with a single structure or a mixture containing compounds with different structures. For a mixture of compounds of different structures, it is sometimes possible to separate it into compounds of a single structure, and it is sometimes also possible to use the mixture of compounds of different structures as it is without separating it into compounds of a single structure.
The phenol derivative has excellent oxidation resistance, and can obviously improve the oxidation stability of the lubricating oil.
According to the invention, the alkylated diphenylamine is preferably C 4 ～C 8 A common commercial product of alkylated diphenylamines of (a) includes T534.
According to the present invention, the pentaerythritol succinate is preferably one or more of a diester, half-ester, cyclic ester or polyester thereof, and common commercial products include T171; the number average molecular weight of the polyisobutylene moiety in the polyisobutylene succinimide is preferably 500 to 5000, and common commercial products include T161.
According to the invention, the sulfonate and/or sulfurized alkylphenate is preferably a mixture of sulfonate and sulfurized alkylphenate having a total base number of (145-390) mgKOH/g, preferably in a mass ratio of 1:0.1 to 10, and common commodities include T102, T105, T106, T107 and T122.
According to the invention, the alkyl group in the dialkyldithiophosphate is preferably C 2 -C 12 Straight or branched chain alkylCommon commercial products include ZDTP, ZDDP.
According to the invention, the composite friction modifier is preferably selected from a mixture of ashless friction modifiers and oil-soluble organo-molybdenum friction modifiers, preferably in a mass ratio between 1: 0.1-10, and common commercial products comprise oleamide and T462.
According to the invention, the phosphite is preferably one or more of di-n-butyl phosphite, di-isobutyl phosphite, triethyl phosphite and diisooctyl phosphite, a common commercial product including T304.
According to the invention, the lubricating base oil is preferably selected from one or more of API group I, II, III, IV and V base oils, and the API group I, II and III lubricating base oils can be selected from one or more of 100SN, 150SN, 200SN, 500SN, 650SN, 150BS, 100N, 150N, 200N, 500N, 600N, S and S6; the API IV lubricating base oil can be one or more of PAO-2, PAO-4, PAO-6, PAO-8 and PAO-10; the API V lubricating base oil can be ester oil.
The preparation method of the gasoline engine oil composition comprises the step of mixing the components.
The gasoline engine oil composition has excellent antioxidant performance and high-temperature detergency, is suitable for the use condition of high-temperature operation equipment, and can meet the requirements of gasoline engine oil of SN/GF-5, SM/GF-4, SN plus, SP/GF-6 and above grades.
Detailed Description
The present invention is further illustrated but is not to be construed as limited by the following examples.
In the present specification, the term "single bond" is sometimes used in the definition of a group. By "single bond" is meant that the group is absent. For example, assume the structural formula-CH 2 -A-CH 3 Wherein the group a is defined as being selected from the group consisting of a single bond and a methyl group. In this respect, if A is a single bond, this means that the group A is absent, in which case the formula is correspondingly simplified to-CH 2 -CH 3 。
The main raw materials used are from the following sources:
cardanol, shanghai Bingshi chemical science and technology Co., ltd, industrial products
Refined naphthalene, chemical reagents of national drug group, ltd, analytical purity
Aluminium trichloride, national chemical group chemical reagent Limited, analytically pure
1-methylnaphthalene, national chemical group chemical reagent, ltd, analytical pure
Y-type molecular sieve, southern Kai university catalyst plant, industrial products
Boron trifluoride etherate, analytical purity, ikay technologies, beijing
Trifluoromethanesulfonic acid, beijing YinoKay science and technology Co., ltd, analytically pure
Zinc chloride, national chemical group chemical reagent Limited, analytical pure
T511, institute of petrochemical institute, xinpu corporation, industrial products
T501, department of petrochemical industry, institute of research, xinpu corporation, industrial products
T534, institute of petrochemical institute, kjept, inc., industrial products
N-decane, iknoka Tech Ltd, beijing, chemical purity
Tert-butyl chloride, national pharmaceutical group chemical reagents, inc., analytical purity
Polyisobutylene succinimide T161 (PIB number average molecular weight 2300), tin-free southern Petroleum additives Co., ltd, industrial product
T171, beijing Yanshan Xin Tianze chemical Co., ltd, industrial products
T105, shandong Sankai chemical science and technology Co., ltd, industrial products
T122, xinxiangruifeng chemical Co., ltd., industrial products
ZDTP, afton, inc., industrial products
T462 Zibo Co-beneficial chemical technology Co., ltd, industrial products
Oleamide, national drug group chemical reagents, inc., analytical purity
T304, chemical Limited of Jinan Karen, industrial products
III + base oil 100N, medium petro-famous petro-chemical, industrial products
III 60N base oil, medium petro-famous petro-chemical, industrial
PAO-4, secofilon (China) investment Limited, industrial products
Example 1
300g of cardanol is dissolved in 1000ml of n-decane, the mixture is placed into a 2500ml three-neck reaction flask after being dissolved, 15g of zinc chloride catalyst is added, stirring is started, and heating is carried out. And (3) maintaining the reaction temperature at 50 ℃, dropwise adding 95g of tert-butyl chloride into the reaction flask, continuing the reaction for 5 hours after dropwise adding is finished, and cooling after the reaction is finished to obtain a brownish red transparent product. Filtering the product, washing with 5% sodium hydroxide solution with alkali, washing with distilled water to neutrality, distilling under reduced pressure at 1000Pa and 120 deg.C for 1h, removing solvent, water and unreacted raw materials, and cooling to obtain brown yellow first reaction product.
A1L round bottom flask was charged with 70g of refined naphthalene, 30g of the first reaction product and 50ml of n-decane. The mixture was heated to 70 ℃ with stirring. After the naphthalene was completely dissolved, 3.46g of aluminum trichloride was added to the reaction mixture, and stirring and heating were continued to 90 ℃ while introducing nitrogen. The reaction was carried out at 120 ℃ for 3 hours. And when the reaction liquid is cooled to about 50 ℃, closing the nitrogen protection, carrying out reduced pressure suction filtration to remove the solid catalyst in the reaction liquid to obtain a brown yellow oily product, respectively carrying out alkali washing and water washing for 3 times by using 0.1mol/L sodium hydroxide solution and deionized water, separating a water phase and an oil phase through a separating funnel, standing for layering, removing the water phase, retaining the oil phase to obtain a brown oily product, and then carrying out reduced pressure distillation to remove the solvent and unreacted reaction raw materials in the reaction system. And after the reduced pressure distillation is finished, cooling the residue under the protection of nitrogen to obtain a brown oily product with certain viscosity, namely the phenol derivative S-1.
Example 2
70g of refined naphthalene, 30g of the first reaction product of example 1 and 50ml of n-decane were placed in a 1L round bottom flask and heated to 70 ℃ with stirring. After naphthalene is completely dissolved, adding 2.33g of trifluoromethanesulfonic acid into the mixture, continuing stirring and heating to 90 ℃, simultaneously introducing nitrogen, keeping n-decane to flow back well, reacting at 150 ℃ for 3 hours, then cooling to 50 ℃, closing nitrogen protection, removing trifluoromethanesulfonic acid in the mixture by vacuum filtration to obtain a dark brown oily product, respectively carrying out alkali washing and water washing 3 times by using 0.1mol/L sodium hydroxide solution and deionized water, separating a water phase and an oil phase through a separating funnel, standing for layering, removing the water phase, retaining the oil phase to obtain a colorless oily product, and then carrying out reduced pressure distillation to remove the solvent and unreacted reaction raw materials in the reaction system. After the reduced pressure distillation is finished, cooling is carried out under the protection of nitrogen, and a yellow brown oily product, namely the phenol derivative S-2 is obtained.
Example 3
70g of refined naphthalene, 30g of the first reaction product of example 1 and 50ml of n-decane were placed in a 1L round bottom flask and heated to 70 ℃ with stirring. And after naphthalene is completely dissolved, adding 2.33g of Y-type molecular sieve into the mixture, continuously stirring and heating to 90 ℃, simultaneously introducing nitrogen, keeping good reflux of n-decane, reacting for 3 hours at 170 ℃, then cooling to 50 ℃, closing the protection of nitrogen, and removing the molecular sieve catalyst by vacuum filtration to obtain a dark brown oily product. And distilling the reaction product under reduced pressure to remove the solvent and unreacted reaction raw materials in the reaction system. After the reduced pressure distillation is finished, cooling is carried out under the protection of nitrogen, and a yellow brown oily product, namely the phenol derivative S-3 is obtained.
Example 4
70g of refined naphthalene, 30g of the first reaction product of example 1 and 50ml of n-decane were charged in a 1L round bottom flask and heated to 70 ℃ with stirring. After naphthalene is completely dissolved, dropwise adding 2.5ml of boron trifluoride diethyl etherate complex into the mixture, continuously stirring and heating to 90 ℃, simultaneously introducing nitrogen, keeping n-decane to flow back well, reacting for 3 hours at 120 ℃, then cooling to 50 ℃, closing the protection of nitrogen, obtaining colorless oily products, respectively carrying out alkali washing and water washing for 3 times by using 0.1mol/L sodium hydroxide solution and deionized water, separating a water phase and an oil phase through a separating funnel, standing and layering, removing the water phase, and keeping the oil phase to obtain a light yellow oily product. And distilling the reaction product under reduced pressure to remove the solvent and unreacted reaction raw materials in the reaction system. After the reduced pressure distillation is finished, cooling is carried out under the protection of nitrogen, and a yellow brown oily product, namely the phenol derivative S-4 is obtained.
Example 5
A1L round-bottom flask was charged with 70g of 1-methylnaphthalene, 30g of the first reaction product of example 1 and 50ml of n-decane, and heated to 70 ℃ with stirring. And after naphthalene is completely dissolved, adding 2.33g of Y-type molecular sieve into the mixture, continuously stirring and heating to 90 ℃, simultaneously introducing nitrogen, keeping good reflux of n-decane, reacting for 3 hours at 170 ℃, then cooling to 50 ℃, closing the protection of nitrogen, and removing the molecular sieve catalyst by vacuum filtration to obtain a dark brown oily product. And distilling the reaction product under reduced pressure to remove the solvent and unreacted reaction raw materials in the reaction system. After the reduced pressure distillation is finished, cooling is carried out under the protection of nitrogen, and a yellow brown oily product, namely the phenol derivative S-5 is obtained.
Examples 6 to 12 of gasoline engine oil composition and comparative examples 1 to 2
The formulations of examples 6 to 12 and comparative examples 1 to 2 of the gasoline engine oil composition are shown in Table 1. The components are respectively added into a mixing container according to the proportion, heated and stirred for 1-2 hours at the temperature of 45-80 ℃, and the SN gasoline engine oil composition with the viscosity grade of 0W-16 is respectively prepared.
And (3) measuring the oxidation induction period of the gasoline and engine oil composition by using a differential scanning calorimetry (PDSC) test, and evaluating the oxidation resistance of the oil product, wherein the longer the induction period is, the better the oxidation resistance of the oil product is. The test instrument is a TA5000 model DSC instrument of American TA company, and the test conditions are as follows: 190 ℃, oxygen pressure of 0.5MPa and heating speed of 10 ℃/min. The high temperature deposit evaluation test (TEOST-MHT) of the oil was carried out using the method ASTM D7097, with a deposition bar temperature of 285 ℃ and a reaction time of 24 hours.
These lubricating oil compositions were subjected to an engine crankcase coke formation test simulating piston deposits. The coke forming plate test adopts a 25B-19 type coke forming plate tester produced by Meitech company of Japan, and simulates the working conditions of the circulation of lubricating oil of a crankcase and a piston ring of a cylinder sleeve of an engine, so that the test oil is continuously subjected to thermal oxidation to form coke. The test time is 6h, the oil temperature is 150 ℃, and the plate temperature is 310 ℃.
The test results are shown in Table 1.
TABLE 1
Claims (10)
1. The gasoline engine oil composition comprises the following components:
(A) Phenolic derivatives accounting for 0.1-10% of the total weight of the composition;
(B) Alkylated diphenylamine accounts for 0.1-10% of the total mass of the composition;
(C) Pentaerythritol succinate and/or polyisobutylene succinimide which account for 1 to 15 percent of the total mass of the composition;
(D) Sulfonate and/or sulfurized alkylphenate containing calcium in an amount of 100 to 2000ppm based on the total mass of the composition;
(E) Dialkyl dithiophosphate accounting for 0.1-6% of the total mass of the composition;
(F) The composite friction modifier accounts for 0.1 to 6 percent of the total mass of the composition;
(G) Phosphite ester accounting for 0.03-4% of the total mass of the composition;
(H) A major amount of a lubricating base oil;
wherein the structure of the phenolic derivative is shown as the formula (I):
in the formula (I), R 0 The radicals being selected from C 1 ～C 6 Is straight or branched alkyl (preferably selected from C) 1 ～C 4 More preferably selected from methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl); m is an integer of 1 to 10 (preferably an integer of 1 to 5);
each R is 0 ' the groups are each independently selected from a single bond, C 1-20 Linear or branched alkyleneRadical (preferably selected from the group consisting of single bond and C 1-10 Straight or branched chain alkylene, wherein R is bonded to the adjacent benzene ring 0 ' the radicals are preferably selected from C 1～10 Straight or branched alkylene groups of (a); r 0 The "group is selected from hydrogen, C 1-20 Straight or branched alkyl (preferably selected from hydrogen, C) 1-10 Straight or branched chain alkyl);
m A groups are each independently selected from-CH = CH-, ethylene-, a group of formula (III), a group of formula (IV), a group of formula (V), a group of formula (VI), and at least one A group selected from a group of formula (III), a group of formula (IV), a group of formula (V), or a group of formula (VI) is present in formula (I);
in formula (III), formula (IV), formula (V), formula (VI), each R' group is independently selected from C 1～20 Is preferably selected from C, H 1～10 Straight or branched alkyl of (a), H); n is an integer of 0 to 10 (preferably an integer of 0 to 5); n R groups are bonded to the naphthalene ring; n R groups are each independently selected from C 1～20 Is preferably independently selected from C 1～10 Straight or branched alkyl, H).
2. The gasoline engine oil composition according to claim 1, wherein the phenolic derivative is selected from the following specific compounds or a mixture thereof in any ratio:
3. the gasoline engine oil composition as defined in claim 1, wherein the phenolic derivative is prepared by a method comprising:
step (1): carrying out alkylation reaction on a phenol compound shown as a formula (X) and an alkylating agent, and collecting a first reaction product;
in the formula (X), wherein m is an integer of 1 to 10 (preferably an integer of 1 to 5); each R is 0 ' the groups are each independently selected from a single bond, C 1-20 Straight or branched alkylene (preferably selected from single bond and C) 1-10 Straight or branched chain alkylene, wherein R is bonded to the adjacent benzene ring 0 ' the radicals are preferably selected from C 1～10 Linear or branched alkylene groups of (a); r 0 The "group is selected from hydrogen, C 1-20 Straight or branched alkyl (preferably selected from hydrogen, C) 1-10 Straight or branched chain alkyl);
step (2): reacting the first reaction product obtained in the step (1) with a compound shown as a formula (Y), and collecting a product;
in the formula (Y), n is an integer of 0 to 10 (preferably an integer of 0 to 5); n R groups are bonded to the naphthalene ring; n R groups are each independently selected from C 1～20 Is preferably independently selected from C 1～10 Straight or branched alkyl, H).
4. The gasoline engine oil composition as defined in claim 3, wherein the phenol compound represented by the formula (X) is derived from a natural plant cashew nut.
5. The gasoline engine oil composition of claim 3 wherein in step (1) the alkylating agent has the structure R 0 X, itIn R 0 The radicals being selected from C 1 ～C 6 Is straight or branched alkyl (preferably selected from C) 1 ～C 4 More preferably selected from methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl), and the X group is F, cl, br, I (preferably Cl or Br).
6. The gasoline engine oil composition as defined in claim 3, wherein in the step (1), the molar ratio between the phenol compound represented by the formula (X) and the alkylating agent is 1:0.2 to 5 (preferably 1; the temperature at which the phenol compound represented by the formula (X) and the alkylating agent are subjected to alkylation reaction is 20 ℃ to 100 ℃ (preferably 40 ℃ to 70 ℃).
7. The gasoline engine oil composition as defined in claim 3, wherein in the step (2), the molar ratio of the compound represented by the formula (Y) to the phenol compound represented by the formula (X) is 1:1 to 6 (preferably 1:1 to 3); the temperature for the reaction of the first reaction product obtained in the step (1) and the compound shown in the formula (Y) is 60-200 ℃ (preferably 80-180 ℃).
8. Gasoline engine oil composition according to any one of claims 1 to 7, characterized in that the alkylated diphenylamine is C 4 ～C 8 Alkylated diphenylamines; the pentaerythritol succinate is one or more of diester, half ester, cyclic ester or polyester thereof; the number average molecular weight of the polyisobutylene part in the polyisobutylene succinimide is 500-5000; the sulfonate and/or sulfurized alkylphenate is selected from a mixture of sulfonate and sulfurized alkylphenate with a total base number of (145-390) mgKOH/g, and the mass ratio of the sulfonate to the sulfurized alkylphenate is 1:0.1 to 10; the alkyl in the dialkyl dithiophosphate is C 2 -C 12 A linear or branched alkyl group; the composite friction modifier is selected from a mixture of an ashless friction modifier and an oil-soluble organic molybdenum friction modifier, and the mass ratio of the ashless friction modifier to the oil-soluble organic molybdenum friction modifier is 1:0.1 to 10; the phosphite ester is selected from one or more of di-n-butyl phosphite, diisobutyl phosphite, triethyl phosphite and diisooctyl phosphite;the lubricating base oil is selected from one or more of API group I, II, III, IV and V base oils.
9. The gasoline engine oil composition according to any one of claims 1 to 7, wherein the phenolic derivative accounts for 0.5% to 5% by mass of the total composition; the alkylated diphenylamine accounts for 0.5-8% of the total mass of the composition; the pentaerythritol succinate and/or polyisobutylene succinimide account for 2-10% of the total mass of the composition; calcium contained in the sulfonate and/or sulfurized alkylphenol salt accounts for 600-1000 ppm of the total mass of the composition; the dialkyl dithiophosphate accounts for 0.3 to 4 percent of the total mass of the composition; the composite friction modifier accounts for 0.3-4% of the total mass of the composition; the phosphite ester accounts for 0.1-2% of the total mass of the composition; the lubricating base oil constitutes the main component of the composition.
10. The method of preparing the gasoline engine oil composition of any one of claims 1 to 9, comprising the step of mixing the components therein.
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