CN1235917C - 乙烯均聚或共聚用催化剂的生产方法 - Google Patents
乙烯均聚或共聚用催化剂的生产方法 Download PDFInfo
- Publication number
- CN1235917C CN1235917C CNB018199550A CN01819955A CN1235917C CN 1235917 C CN1235917 C CN 1235917C CN B018199550 A CNB018199550 A CN B018199550A CN 01819955 A CN01819955 A CN 01819955A CN 1235917 C CN1235917 C CN 1235917C
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- China
- Prior art keywords
- compound
- hydroxyl
- ester
- magnesium
- titanium
- 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.)
- Expired - Fee Related
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000007334 copolymerization reaction Methods 0.000 title claims abstract description 18
- 239000005977 Ethylene Substances 0.000 title claims abstract description 17
- 239000003054 catalyst Substances 0.000 title abstract description 30
- 239000010936 titanium Substances 0.000 claims abstract description 44
- 239000011777 magnesium Substances 0.000 claims abstract description 41
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 39
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 21
- -1 ester compound Chemical class 0.000 claims description 52
- 150000001875 compounds Chemical class 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 26
- 150000003609 titanium compounds Chemical class 0.000 claims description 24
- 150000002681 magnesium compounds Chemical class 0.000 claims description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 21
- 229910052799 carbon Inorganic materials 0.000 claims description 20
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 18
- 150000003377 silicon compounds Chemical class 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 150000002148 esters Chemical class 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- UAIZDWNSWGTKFZ-UHFFFAOYSA-L ethylaluminum(2+);dichloride Chemical compound CC[Al](Cl)Cl UAIZDWNSWGTKFZ-UHFFFAOYSA-L 0.000 claims description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical class OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 229910052736 halogen Inorganic materials 0.000 claims description 9
- 239000004615 ingredient Substances 0.000 claims description 9
- YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 8
- 239000004215 Carbon black (E152) Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 7
- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 7
- 150000001721 carbon Chemical group 0.000 claims description 6
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 claims description 5
- 125000001931 aliphatic group Chemical group 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 239000005049 silicon tetrachloride Substances 0.000 claims description 5
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 claims description 5
- BYLOHCRAPOSXLY-UHFFFAOYSA-N dichloro(diethyl)silane Chemical compound CC[Si](Cl)(Cl)CC BYLOHCRAPOSXLY-UHFFFAOYSA-N 0.000 claims description 4
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 claims description 4
- WDAXFOBOLVPGLV-UHFFFAOYSA-N isobutyric acid ethyl ester Natural products CCOC(=O)C(C)C WDAXFOBOLVPGLV-UHFFFAOYSA-N 0.000 claims description 4
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 claims description 4
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 claims description 4
- OMSUIQOIVADKIM-UHFFFAOYSA-N rac-3-Hydroxybutyric acid ethyl ester Natural products CCOC(=O)CC(C)O OMSUIQOIVADKIM-UHFFFAOYSA-N 0.000 claims description 4
- 150000003608 titanium Chemical class 0.000 claims description 4
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 3
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 claims description 3
- LTMRRSWNXVJMBA-UHFFFAOYSA-L 2,2-diethylpropanedioate Chemical compound CCC(CC)(C([O-])=O)C([O-])=O LTMRRSWNXVJMBA-UHFFFAOYSA-L 0.000 claims description 2
- LSWRBVSEWBWTDR-UHFFFAOYSA-N 2-hydroxyethyl benzoate Chemical compound OCCOC(=O)C1=CC=CC=C1 LSWRBVSEWBWTDR-UHFFFAOYSA-N 0.000 claims description 2
- GILMNGUTRWPWSY-UHFFFAOYSA-N 2-hydroxypropyl prop-2-enoate;2-methylprop-2-enoic acid Chemical compound CC(=C)C(O)=O.CC(O)COC(=O)C=C GILMNGUTRWPWSY-UHFFFAOYSA-N 0.000 claims description 2
- DGZIMLVEXGVYDW-UHFFFAOYSA-N 2-hydroxypropyl prop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.CC(O)COC(=O)C=C DGZIMLVEXGVYDW-UHFFFAOYSA-N 0.000 claims description 2
- WBPAQKQBUKYCJS-UHFFFAOYSA-N 2-methylpropyl 2-hydroxypropanoate Chemical compound CC(C)COC(=O)C(C)O WBPAQKQBUKYCJS-UHFFFAOYSA-N 0.000 claims description 2
- FWIQGIQRNBVZEN-UHFFFAOYSA-N 4-ethoxy-2-(2-ethoxy-2-oxoethyl)-2-hydroxy-4-oxobutanoic acid Chemical compound CCOC(=O)CC(O)(C(O)=O)CC(=O)OCC FWIQGIQRNBVZEN-UHFFFAOYSA-N 0.000 claims description 2
- MRABAEUHTLLEML-UHFFFAOYSA-N Butyl lactate Chemical group CCCCOC(=O)C(C)O MRABAEUHTLLEML-UHFFFAOYSA-N 0.000 claims description 2
- 239000005046 Chlorosilane Substances 0.000 claims description 2
- YSAVZVORKRDODB-UHFFFAOYSA-N Diethyl tartrate Chemical compound CCOC(=O)C(O)C(O)C(=O)OCC YSAVZVORKRDODB-UHFFFAOYSA-N 0.000 claims description 2
- GYCKQBWUSACYIF-UHFFFAOYSA-N Ethyl salicylate Chemical compound CCOC(=O)C1=CC=CC=C1O GYCKQBWUSACYIF-UHFFFAOYSA-N 0.000 claims description 2
- LDLDJEAVRNAEBW-UHFFFAOYSA-N Methyl 3-hydroxybutyrate Chemical class COC(=O)CC(C)O LDLDJEAVRNAEBW-UHFFFAOYSA-N 0.000 claims description 2
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 claims description 2
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 claims description 2
- QABCGOSYZHCPGN-UHFFFAOYSA-N chloro(dimethyl)silicon Chemical compound C[Si](C)Cl QABCGOSYZHCPGN-UHFFFAOYSA-N 0.000 claims description 2
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 claims description 2
- PCYQQSKDZQTOQG-NXEZZACHSA-N dibutyl (2r,3r)-2,3-dihydroxybutanedioate Chemical compound CCCCOC(=O)[C@H](O)[C@@H](O)C(=O)OCCCC PCYQQSKDZQTOQG-NXEZZACHSA-N 0.000 claims description 2
- OSXYHAQZDCICNX-UHFFFAOYSA-N dichloro(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](Cl)(Cl)C1=CC=CC=C1 OSXYHAQZDCICNX-UHFFFAOYSA-N 0.000 claims description 2
- GNEPOXWQWFSSOU-UHFFFAOYSA-N dichloro-methyl-phenylsilane Chemical compound C[Si](Cl)(Cl)C1=CC=CC=C1 GNEPOXWQWFSSOU-UHFFFAOYSA-N 0.000 claims description 2
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 claims description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 2
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 claims description 2
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical group C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 claims description 2
- MRYSSTRVUMCKKB-UHFFFAOYSA-N ethyl 2-hydroxyhexanoate Chemical compound CCCCC(O)C(=O)OCC MRYSSTRVUMCKKB-UHFFFAOYSA-N 0.000 claims description 2
- HYXRUZUPCFVWAH-UHFFFAOYSA-N ethyl 6-hydroxyhexanoate Chemical compound CCOC(=O)CCCCCO HYXRUZUPCFVWAH-UHFFFAOYSA-N 0.000 claims description 2
- SAXHIDRUJXPDOD-UHFFFAOYSA-N ethyl hydroxy(phenyl)acetate Chemical compound CCOC(=O)C(O)C1=CC=CC=C1 SAXHIDRUJXPDOD-UHFFFAOYSA-N 0.000 claims description 2
- 229940116333 ethyl lactate Drugs 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- BHIWKHZACMWKOJ-UHFFFAOYSA-N isobutyric acid methyl ester Natural products COC(=O)C(C)C BHIWKHZACMWKOJ-UHFFFAOYSA-N 0.000 claims description 2
- 229940095102 methyl benzoate Drugs 0.000 claims description 2
- 229940017219 methyl propionate Drugs 0.000 claims description 2
- 239000005055 methyl trichlorosilane Substances 0.000 claims description 2
- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical group C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 claims description 2
- 229960000969 phenyl salicylate Drugs 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- KIWATKANDHUUOB-UHFFFAOYSA-N propan-2-yl 2-hydroxypropanoate Chemical compound CC(C)OC(=O)C(C)O KIWATKANDHUUOB-UHFFFAOYSA-N 0.000 claims description 2
- 229960003415 propylparaben Drugs 0.000 claims description 2
- 229940095064 tartrate Drugs 0.000 claims description 2
- ZOYFEXPFPVDYIS-UHFFFAOYSA-N trichloro(ethyl)silane Chemical compound CC[Si](Cl)(Cl)Cl ZOYFEXPFPVDYIS-UHFFFAOYSA-N 0.000 claims description 2
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 claims description 2
- 239000005052 trichlorosilane Substances 0.000 claims description 2
- 239000001069 triethyl citrate Substances 0.000 claims description 2
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 claims description 2
- 235000013769 triethyl citrate Nutrition 0.000 claims description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 19
- 230000003197 catalytic effect Effects 0.000 abstract description 9
- 229920000642 polymer Polymers 0.000 abstract description 5
- 230000037048 polymerization activity Effects 0.000 abstract description 5
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 39
- 239000000243 solution Substances 0.000 description 31
- 238000006116 polymerization reaction Methods 0.000 description 28
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 25
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 21
- 238000000034 method Methods 0.000 description 19
- 239000000126 substance Substances 0.000 description 14
- 230000026030 halogenation Effects 0.000 description 12
- 238000005658 halogenation reaction Methods 0.000 description 12
- 229960001701 chloroform Drugs 0.000 description 11
- 235000010210 aluminium Nutrition 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 238000003756 stirring Methods 0.000 description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 8
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 8
- 239000006228 supernatant Substances 0.000 description 8
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 7
- 239000000460 chlorine Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 229910001629 magnesium chloride Inorganic materials 0.000 description 4
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 4
- 150000002902 organometallic compounds Chemical class 0.000 description 4
- 239000004711 α-olefin Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 2
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
- KVNYFPKFSJIPBJ-UHFFFAOYSA-N 1,2-diethylbenzene Chemical compound CCC1=CC=CC=C1CC KVNYFPKFSJIPBJ-UHFFFAOYSA-N 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- WRMNZCZEMHIOCP-UHFFFAOYSA-N 2-phenylethanol Chemical compound OCCC1=CC=CC=C1 WRMNZCZEMHIOCP-UHFFFAOYSA-N 0.000 description 2
- OIGWAXDAPKFNCQ-UHFFFAOYSA-N 4-isopropylbenzyl alcohol Chemical compound CC(C)C1=CC=C(CO)C=C1 OIGWAXDAPKFNCQ-UHFFFAOYSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 2
- GDOPTJXRTPNYNR-UHFFFAOYSA-N methylcyclopentane Chemical compound CC1CCCC1 GDOPTJXRTPNYNR-UHFFFAOYSA-N 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 150000002899 organoaluminium compounds Chemical class 0.000 description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- ODLMAHJVESYWTB-UHFFFAOYSA-N propylbenzene Chemical compound CCCC1=CC=CC=C1 ODLMAHJVESYWTB-UHFFFAOYSA-N 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000011949 solid catalyst Substances 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical class ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- 238000012725 vapour phase polymerization Methods 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- AUEJBKCWXPYRGZ-UHFFFAOYSA-N 1,1'-biphenyl diethoxysilane Chemical compound C(C)O[SiH2]OCC.C1(=CC=CC=C1)C1=CC=CC=C1 AUEJBKCWXPYRGZ-UHFFFAOYSA-N 0.000 description 1
- KNKRKFALVUDBJE-UHFFFAOYSA-N 1,2-dichloropropane Chemical compound CC(Cl)CCl KNKRKFALVUDBJE-UHFFFAOYSA-N 0.000 description 1
- MPPPKRYCTPRNTB-UHFFFAOYSA-N 1-bromobutane Chemical compound CCCCBr MPPPKRYCTPRNTB-UHFFFAOYSA-N 0.000 description 1
- VFWCMGCRMGJXDK-UHFFFAOYSA-N 1-chlorobutane Chemical compound CCCCCl VFWCMGCRMGJXDK-UHFFFAOYSA-N 0.000 description 1
- JTPNRXUCIXHOKM-UHFFFAOYSA-N 1-chloronaphthalene Chemical compound C1=CC=C2C(Cl)=CC=CC2=C1 JTPNRXUCIXHOKM-UHFFFAOYSA-N 0.000 description 1
- HYFLWBNQFMXCPA-UHFFFAOYSA-N 1-ethyl-2-methylbenzene Chemical compound CCC1=CC=CC=C1C HYFLWBNQFMXCPA-UHFFFAOYSA-N 0.000 description 1
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 1
- FWIBCWKHNZBDLS-UHFFFAOYSA-N 3-hydroxyoxolan-2-one Chemical compound OC1CCOC1=O FWIBCWKHNZBDLS-UHFFFAOYSA-N 0.000 description 1
- IUADYGVMSDKSMB-UHFFFAOYSA-N 4-methyl-1-phenylpentan-2-ol Chemical compound CC(C)CC(O)CC1=CC=CC=C1 IUADYGVMSDKSMB-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
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- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
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Abstract
本发明提供一种用于乙烯均聚或共聚的高催化活性和优异催化剂形态的新催化剂的生产方法,更具体地提供一种负载于含镁载体之上的固体钛络合物催化剂的生产方法,其中所述高聚合活性的催化剂能生产高堆积密度的聚合物。
Description
技术领域
本发明提供一种乙烯均聚或共聚用催化剂的生产方法,更具体地提供一种负载于含镁载体之上的固体钛络合物催化剂的生产方法,其中所述催化剂有极高的催化活性和优异的催化剂形态。
发明背景
已知用于乙烯聚合或共聚的含镁催化剂有极高的催化活性并产生高堆积密度的聚合物,它们适合于液相或气相聚合。乙烯的液相聚合指在例如本体乙烯、异戊烷或己烷等介质中进行的聚合过程,考虑到在该方法中的适用性,其中所用催化剂有以下重要特性:高催化活性、所得聚合物的堆积密度、和可溶于介质的所得聚合物的低分子量分子的含量。其中,所述催化活性被认为是最重要的催化剂特性。
已报导许多用于烯烃聚合的含镁的钛基催化剂及其制造方法。特别地,已知许多利用镁溶液获得可产生高表观堆积密度的烯烃聚合物的催化剂的方法。有一种方法是通过使镁化合物与醇、胺、环醚、或有机羧酸等电子给体在烃类溶剂存在下反应获得镁溶液。关于使用醇的情况公开在US4,330,649和5,106,807中。此外,通过使所述液相镁溶液与卤代化合物如四氯化钛反应生产含镁催化剂的方法是公知的。此催化剂使所得聚合物具有高堆积密度,但在其催化活性方面还有待改进而且有生产不利情况如在生产催化剂的过程中产生大量氯化氢。
US5,459,116报导了通过使包含有至少一个羟基的酯作为电子给体的镁溶液与钛化合物接触反应生产固体钛催化剂的方法。用此方法可获得高聚合活性的催化剂,使所述聚合物具有高堆积密度,但仍有进一步改进的余地。
US4,843,049报导一种高钛含量催化剂的生产方法,包括使烷氧基钛与通过喷雾干燥法生产的氯化镁-乙醇载体反应,再与氯化二乙基铝或倍半氯化乙基铝反应。但缺点在于使用氯化二乙基铝或倍半氯化乙基铝以外的化合物时该方法导致醇含量超出18~25%的范围、或者降低所生产聚合物的堆积密度。
US 5,726,261和5,585,317公开一种孔隙率为0.35~0.7的催化剂的生产方法,包括对通过喷雾干燥法生产的氯化镁-乙醇载体进行热处理或者对其进行热处理再用三乙基铝处理,然后用烷氧基钛或者烷氧基钛及四乙氧基硅等处理,然后用其负载有至少一个钛-卤素和至少一个烷氧基的钛基化合物。
如上所述,需要开发新的有以下特征的用于生产聚合物的乙烯均聚或共聚催化剂:生产方法简单、聚合活性高、而且通过控制催化剂粒子使聚合物具有高堆积密度。因此,本发明是要提供通过简单方法由廉价化合物生产有极好催化活性、能通过控制催化剂粒子形态生产高堆积密度聚合物的催化剂的方法。此外,本发明所公开催化剂的特殊生产方法及其步骤在现有技术中从未报导。
发明概述
因此,本发明的目的是提供一种乙烯均聚或共聚用催化剂的新生产方法,其中所述催化剂有增强的催化活性,能生产高堆积密度的聚合物。参考以下描述和权利要求书,本发明的其它目的和实用性将是显而易见的。
优选实施方案详述
本发明乙烯均聚或共聚用催化剂通过一种简单有效的生产方法生产,所述方法包括:(i)通过使卤化镁化合物与醇接触反应制备镁溶液,其中为获得所述镁溶液所需的所述醇的量为至少0.5mol/mol所述的镁化合物;(ii)通过使所述溶液与含有至少一个羟基的酯类化合物和有至少一个烷氧基的硅氧烷化合物反应,然后使之与钛化合物和硅化合物的混合物反应来生产固体组分,其中所述具有至少一个羟基的酯化合物的用量为0.01~5mol/mol镁,所述具有至少一个烷氧基的硅氧烷化合物的用量为0.05~3mol/mol镁,所述钛化合物和所述硅化合物的混合物的用量为0.1~200mol/mol所述镁化合物,和混合物中所述钛化合物与所述硅化合物的摩尔比为1∶0.05~0.95;和(iii)使所述固体组分与铝化合物和卤代烷化合物反应,然后使之与钛化合物反应。
本发明所用卤化镁化合物的类型如下:二卤化镁如氯化镁、碘化镁、氟化镁和溴化镁;卤化烷基镁如卤化甲基镁、卤化乙基镁、卤化丙基镁、卤化丁基镁、卤化异丁基镁、卤化己基镁、和卤化戊基镁;卤化烷氧基镁如卤化甲氧基镁、卤化乙氧基镁、卤化异丙氧基镁、卤化丁氧基镁、卤化辛氧基镁;和卤化芳氧基镁如卤化苯氧基镁和卤化甲基一苯氧基镁。上述镁化合物中,两或多种化合物可以混合物形式使用。此外,上述镁化合物可有效地以与其它金属的配位化合物形式使用。
以上所列举的化合物中,某些可用简式表示,但有些不能如此表示,取决于镁化合物的生产方法。在后一情况下,一般可视为一些所列化合物的混合物。例如,以下化合物可用于本发明:使镁化合物与聚硅氧烷化合物、含卤素的硅烷化合物、酯或醇反应得到的此类化合物;和使镁金属与醇、酚或醚在卤代硅烷、五氯化磷或亚硫酰氯存在下反应得到的此类化合物。但优选的镁化合物是卤化镁、特别是氯化镁或氯化烷基镁、优选分别有1~10个碳的烷基的那些;氯化烷氧基镁、优选分别有1~10个碳的那些;和氯化芳氧基镁、优选分别有6~20个碳的那些。本发明所用镁溶液可用上述镁化合物在烃类溶剂存在下、或者在不存在烃类溶剂的情况下在醇类溶剂中以溶液形式生产。
本发明所用烃类溶剂的类型包括脂族烃如戊烷、己烷、庚烷、辛烷、癸烷、和煤油;脂环烃如环戊烷(cyclobenzene)、甲基环戊烷(methylcyclobenzene)、环己烷、和甲基环己烷;芳烃如苯、甲苯、二甲苯、乙苯、枯烯、和繖花烃;和卤代烃如二氯丙烷、二氯乙烯、三氯乙烯、四氯化碳、和氯苯。
使镁化合物转化成镁溶液时,在上述烃存在下使用醇。醇的类型包括含1~20个碳原子的那些,如甲醇、乙醇、丙醇、丁醇、戊醇、己醇、辛醇、癸醇、十二烷醇、十八烷醇、苄醇、苯乙醇、异丙基苄醇、和枯醇,但优选含1~12个碳原子的醇。目标催化剂的平均尺寸及其粒子分布可随醇的类型、总含量、镁化合物的类型、和镁与醇之比等改变。不过,获得所述镁溶液所需醇的总量为至少0.5mol/mol镁化合物、优选约1.0~20mol、更优选约2.0~10mol。
生产镁溶液的过程中,镁化合物与醇的反应优选在烃类介质存在下进行。所述反应温度虽然可随醇的类型和量而改变,但至少为约-25℃、优选-10~200℃、更优选约0~150℃。所述反应优选进行约15分钟~5小时、更优选约30分钟~4小时。
本发明所用电子给体中,所述分别含有至少一个羟基的酯类化合物包括分别有至少一个羟基的不饱和脂族酸酯,如丙烯酸2-羟乙酯、甲基丙烯酸2-羟乙酯、丙烯酸2-羟丙酯、甲基丙烯酸2-羟丙酯、丙烯酸4-羟丁酯、三丙烯酸季戊四醇酯;分别含有至少一个羟基的脂族单酯或多酯,如乙酸2-羟乙酯、3-羟丁酸甲酯、3-羟丁酸乙酯、2-羟异丁酸甲酯、2-羟异丁酸乙酯、3-羟基-2-甲基丙酸甲酯、2,2-二甲基-3-羟基丙酸酯、6-羟己酸乙酯、2-羟异丁酸叔丁酯、3-羟戊二酸二乙酯、乳酸乙酯、乳酸异丙酯、乳酸丁基异丁酯、乳酸异丁酯、扁桃酸乙酯、酒石酸二甲基乙酯、酒石酸乙酯、酒石酸二丁酯、柠檬酸二乙酯、柠檬酸三乙酯、2-羟己酸乙酯、二(羟甲基)丙二酸二乙酯;分别有至少一个羟基的芳族酯,如苯甲酸2-羟乙酯、水杨酸2-羟乙酯、4-(羟甲基)苯甲酸甲酯、4-羟基苯甲酸甲酯、3-羟基苯甲酸乙酯、4-甲基水杨酸酯、水杨酸乙酯、水杨酸苯酯、4-羟基苯甲酸丙酯、3-羟基萘烷酸苯酯(phenyl 3-hydroxynaphthanoate)、单乙二醇单苯甲酸酯、二甘醇单苯甲酸酯、三甘醇单苯甲酸酯;分别有至少一个羟基的脂环族酯,如羟丁内酯等。含有至少一个羟基的酯类化合物的量应为0.001~5mol/mol镁、或优选0.01~2mol/mol镁。
关于可在本发明用作另一种电子给体的含有烷氧基的硅化合物,优选以下通式所示化合物:RnSi(OR)4-n其中R为有1~12个碳的烃,n为0至3的自然数。特别地,可使用以下化合物:二甲基二甲氧基硅烷、二甲基二乙氧基硅烷、二苯基二甲氧基硅烷、甲基苯基甲氧基硅烷、二苯基二乙氧基硅烷、乙基三甲氧基硅烷、乙烯基三甲氧基硅烷、甲基三甲氧基硅烷、苯基三甲氧基硅烷、甲基三乙氧基硅烷、乙基三乙氧基硅烷、乙烯基三乙氧基硅烷、丁基三乙氧基硅烷、苯基三乙氧基硅烷、乙基三异丙氧基硅烷、乙烯基三丁氧基硅烷、硅酸乙酯、硅酸丁酯、甲基三芳氧基硅烷等。所述化合物的量优选为0.05~3mol/mol镁、或更优选0.1~2mol。关于所述镁溶液、含有至少一个羟基的酯类化合物和烷氧基硅化合物的接触反应的温度,0~100℃的温度是适合的、更优选10~70℃。
为使催化剂粒子重结晶,使如此所得镁化合物溶液与通式Ti(OR)aX4-a(其中R为有1~10个碳原子的烷基,X为卤原子,“a”为0至4的自然数)所示液体钛化合物和通式RnSiCl4-n(其中R为有1~10个碳的烷基,“n”为0至4的自然数)所示化合物的混合物反应。满足该通式的钛化合物的类型包括4-卤化钛如TiCl4、TiBr4、和TiI4;3-卤化烷氧基钛如Ti(OCH3)Cl3、Ti(OC2H5)Cl3、Ti(OC2H5)Br3、和Ti(O(i-C4H9))Br3;2-卤化烷氧基钛化合物如Ti(OCH3)2Cl2、Ti(OC2H5)2Cl2、Ti(O(i-C4H9))2Cl2、和Ti(OC2H5)2Br2;和四烷氧基钛如Ti(OCH3)4、Ti(OC2H5)4、和Ti(OC4H9)4。本发明中也可使用上述钛化合物的混合物。但优选的钛化合物是分别含有卤素的那些、更优选四氯化钛。
满足以上通式RnSiCl4-n的硅化合物的类型包括四氯化硅;三氯硅烷如甲基三氯硅烷、乙基三氯硅烷、苯基三氯硅烷;二氯硅烷如二甲基二氯硅烷、二乙基二氯硅烷、二苯基二氯硅烷、和甲基苯基二氯硅烷;一氯硅烷如三甲基氯硅烷;这些硅化合物的混合物也可用于本发明,更优选使用四氯化硅。
镁化合物溶液重结晶过程中钛化合物和硅化合物的混合物的用量适合地为0.1~200mol/mol镁化合物、优选0.1~100mol、更优选0.2~80mol。混合物中钛化合物与硅化合物之摩尔比适合地为1∶0.05~0.95、更优选1∶0.1~0.8。
所述镁化合物溶液与钛化合物和硅化合物的混合物反应时,所得重结晶固体组分的形态和大小很大程度地随反应条件而改变。因而,所述镁化合物溶液与钛化合物和硅化合物的混合物的反应优选在足以导致形成固体组分的低温下进行。更优选所述反应通过在-70~70℃、最优选-50~50℃下的接触反应而进行。所述接触反应之后,使所述反应温度缓慢地升高以在50~150℃下充分反应0.5~5小时。
使如上所得固体组分同时或顺序地与铝化合物和卤代烷化合物反应使所述固体组分活化。
铝化合物的例子包括有1~6个碳的烷基的三烷基铝,如三乙基铝和三异丁基铝;和有一或多个卤素的铝化合物,如二氯化乙基铝、氯化二乙基铝、倍半氯化乙基铝,或其混合物。此外,如果认为必要,所述铝化合物可在稀释后使用。
卤代烷化合物是有1~20个碳原子和至少一个卤素的化合物,可使用其混合物。例子包括一氯甲烷、二氯甲烷、三氯甲烷、四氯甲烷、一氯乙烷、1,2-二氯乙烷、一氯丙烷、一氯丁烷、一氯仲丁烷、一氯叔丁烷、一氯环己烷、氯苯、一溴甲烷、一溴丙烷、一溴丁烷、和一碘甲烷。与铝化合物和卤代烷反应时,应在0~100℃、更优选20~80℃下进行。
使如上活化的固体组分与钛化合物反应最终产生固体催化剂。此时所用钛化合物是卤化钛或有1~20个碳的烷氧基官能团的卤化烷氧基钛。有时也可使用这些化合物的混合物。但这些化合物中,适合使用卤化钛或有1~8个碳的烷氧基官能团的卤化烷氧基钛化合物,更优选使用四卤化钛。
按本发明方法生产的催化剂可用于乙烯的均聚或共聚。特别地,所述催化剂用于乙烯的均聚,也用于乙烯与有三或更多碳的α-烯烃如丙烯、1-丁烯、1-戊烯、4-甲基-1-戊烯、或1-己烯的共聚。
在本发明催化剂存在下的聚合反应利用催化剂体系进行,所述催化剂体系包括:(i)包含镁、钛、卤素、和电子给体的本发明固体钛络合物催化剂,和(ii)周期表中第II或III族有机金属化合物。
本发明中,所述固体钛络合物催化剂组分可在与乙烯或α-烯烃预聚后在所述聚合反应中用作一种组分。所述预聚可在烃类溶剂如己烷存在下、在足够低的温度下、用加压的乙烯或α-烯烃、在上述催化剂组分和诸如三乙基铝等有机铝化合物存在下进行。所述预聚通过使催化剂粒子被聚合物包围保持催化剂的形态而有助于生产良好质量的后聚合形态的聚合物。聚合物与预聚后催化剂的重量比通常为0.1∶1~20∶1。
本发明中所述有机金属化合物可用以下通式表示:MRn,其中M代表周期表中第II或IIIA族金属组分,如镁、钙、锌、硼、铝、和镓,R代表有1~20个碳的烷基,如甲基、乙基、丁基、己基、辛基、或癸基,n代表所述金属组分的原子价。至于更优选的有机金属化合物,可使用有1~6个碳的烷基的三烷基铝,如三乙基铝和三异丁基铝、或其混合物。有时,也可使用有一或多个卤素或氢化物基的有机铝化合物,如二氯化乙基铝、氯化二乙基铝、倍半氯化乙基铝、或氢化二异丁基铝。
关于所述聚合反应,可在不存在有机溶剂的情况下进行气相或本体聚合,或在有机溶剂存在下进行液相淤浆聚合。但这些聚合方法都在不存在氧、水、或可起催化毒物作用的其它化合物的情况下进行。
在液相淤浆聚合的情况下,所述固体钛络合物催化剂(i)相对于聚合反应体系的浓度为每升溶剂约0.001~5mmol(按催化剂中的钛原子计)、更优选约0.001~0.5mmol。关于所述溶剂,可使用以下化合物或其混合物:烷烃如戊烷、己烷、庚烷、正辛烷、异辛烷、环己烷、甲基环己烷;烷基芳烃如甲苯、二甲苯、乙苯、异丙基苯、乙基甲苯、正丙基苯、二乙基苯;卤代芳烃如氯苯、氯萘、邻二氯苯;及其混合物。在气相聚合的情况下,所述固体钛络合物催化剂(i)的量应为每升聚合反应器约0.001~5mmol(按催化剂中的钛原子计)、优选约0.001~1.0mmol、更优选约0.01~0.5mmo1。所述有机金属化合物(ii)的优选浓度(按有机金属原子计)为约1~2 000mol/mol催化剂(i)中的钛原子、更优选约5~500mol。
为确保高聚合反应速率,不管聚合方法如何,本文所述聚合都在足够高的温度下进行。一般地,约20~200℃的温度是适合的,更优选约20~95℃。聚合时单体的压力适合地为常压至100atm、更优选2~50atm。
本发明中,分子量随聚合时耗氢量的变化以本领域公知的熔体指数(ASTM D 1238)形式表示。所述熔体指数值一般随分子量减小而变大。
通过本发明聚合方法所得产品是固态乙烯均聚物或乙烯与α-烯烃的共聚物,它有极好的堆积密度和流动性。由于聚合物的产率足够高,所以不需除去催化剂残渣。
通过以下实施例和对比例进一步描述本发明,但不应限于这些实施例。
实施例1
通过以下三个步骤生产固体钛络合物催化剂:
步骤(i):镁溶液的生产
在配有机械搅拌器的用氮气氛置换的1.0L反应器中,放入9.5gMgCl2和400ml癸烷。以300rpm的速度搅拌后,加入75ml 2-乙基己醇。使温度升至120℃,然后使反应持续3小时。使反应后所得均匀溶液冷却至室温(25℃)。
步骤(ii):使镁溶液与含有羟基的酯和烷氧基硅烷化合物接触反
应,然后用钛化合物和硅化合物的混合物处理
向上述冷却至室温的镁溶液中,加入1.4ml甲基丙烯酸2-羟乙酯和6.0ml四乙氧基硅,然后使所述反应持续1小时。用1小时的时间向上述溶液中滴加50ml四氯化钛和50ml四氯化硅的混合溶液。所述滴加过程结束后,使反应器的温度升至70℃,并在此温度保持1小时,然后冷却至室温。
步骤(iii):用铝化合物和卤代烷化合物处理后与钛化合物反应
搅拌后,除去所述溶液的上层清液,剩余的固体层用200ml癸烷(A-1化合物)和100ml氯化二乙基铝(1.0M;A-2化合物)连续地滴注。使温度升至60℃(A-3温度)并在此温度保持2小时。所述反应之后,在搅拌后除去该溶液的上层清液,向其中加入600ml氯仿(CHCl3;A-4化合物)反应1小时。然后,使之冷却至室温,搅拌后,再除去所述溶液的上层清液,然后用600ml癸烷洗两遍。向其中加入200ml癸烷和100ml TiCl4,然后使温度升至100℃并在该温度下保持2小时。反应后,使之冷却至室温,用300ml己烷洗涤直至脱除游离的未反应TiCl4。如此生产的催化剂的钛含量为6.8wt%。
聚合
在烘箱内使一个2升高压反应器干燥并在热时组装。为使反应器内部处于氮气氛下,交替地使反应器内充氮气和抽空三遍。然后用1000ml正己烷滴注,然后向其中加入1mmol三乙基铝和0.03mmol(按钛原子计)上述固体催化剂。然后加入2000ml氢气。使反应器温度升至80℃,同时以700rpm的速度搅拌。将乙烯压力调至100psi,使所述聚合持续1小时。聚合后,使反应器温度降至室温,向所述聚合物中加入过量的乙醇溶液。分离收集所生产的聚合物,在烘箱内于50℃下干燥至少6小时,从而得到白色粉末形式的聚乙烯。
以所生产聚合物重量(kg)/所用催化剂用量(g)之比的形式计算聚合活性(kg聚乙烯/g催化剂)。聚合结果与聚合物的堆积密度(g/ml)和熔体指数(g/10min)一起示于表1中。
实施例2~9
以与实施例1的步骤(i)和(ii)相同的方式生产沉淀物,按与步骤(iii)相同的方法生产催化剂,但如表1中所示改变A-1、A-2化合物、A-3温度和A-4化合物。如实施例1中进行聚合,结果示于表1中。
对比例1
分别以与实施例1的步骤(i)和(ii)相同的方式生产沉淀物。搅拌后,除去溶液的上层清液,剩余的固体层用600ml癸烷洗两遍。向其中加入200ml癸烷和100ml TiCl4,然后使温度升至100℃并在此温度保持2小时。反应后,使之冷却至室温,用300ml己烷洗涤直至脱除游离的未反应TiCl4。如此生产的催化剂的钛含量为5.4wt%。
如实施例1中进行聚合,结果示于表1中。
对比例2
分别以与实施例1的步骤(i)和(ii)相同的方式生产沉淀物。搅拌后,除去溶液的上层清液,剩余的固体层连续地用200ml癸烷和100ml氯化二乙基铝(1.0M)滴注。使温度升至60℃(A-3温度)并在此温度保持2小时。所述反应之后,在搅拌后除去溶液的上层清液,用600ml癸烷洗两遍。向其中加入200ml癸烷和100ml TiCl4,然后使温度升至100℃并在该温度下保持2小时。反应后,使之冷却至室温,用300ml己烷洗涤直至脱除游离的未反应TiCl4。如此生产的催化剂的钛含量为8.5wt%。如实施例1中进行聚合,结果示于表1中。
对比例3
分别以与实施例1的步骤(i)和(ii)相同的方式生产沉淀物。搅拌后,除去溶液的上层清液,剩余的固体层连续地用600ml氯仿(CHCl3)滴注,然后使温度升至60℃反应1小时。然后使之冷却至室温,搅拌后再除去溶液的上层清液,然后用600ml癸烷洗两遍。向其中加入200ml癸烷和100ml TiCl4,然后使温度升至100℃并在该温度下保持2小时。反应后,使之冷却至室温,用300ml己烷洗涤直至脱除游离的未反应TiCl4。如此生产的催化剂的钛含量为5.5wt%。如实施例1中进行聚合,结果示于表1中。
表1
实施例 | A-1化合物 | A-2化合物 | A-3温度℃ | A-4化合物 | 催化剂中Ti的量(wt%) | 活性(kgPE/g催化剂) | 堆积密度(g/ml) | 熔体指数(g/10min) | |||
化合物 | 量(ml) | 化合物 | 量(ml) | 化合物 | 量(ml) | ||||||
1 | 癸烷 | 200 | DEAC | 100 | 60 | 氯仿 | 600 | 6.8 | 2.6 | 0.34 | 6.7 |
2 | 癸烷 | 200 | EADC | 100 | 60 | 氯仿 | 600 | 6.4 | 2.3 | 0.35 | 7.2 |
3 | 癸烷 | 200 | EASC | 100 | 60 | 氯仿 | 600 | 7.2 | 2.7 | 0.35 | 5.4 |
4 | 癸烷 | 200 | DEAC | 100 | 40 | 二氯甲烷 | 600 | 6.4 | 2.4 | 0.33 | 5.1 |
5 | 癸烷 | 200 | DEAC | 100 | 60 | 氯苯 | 600 | 6.1 | 2.2 | 0.34 | 5.6 |
6 | 癸烷 | 200 | DEAC | 100 | 60 | 二氯甲烷 | 600 | 6.5 | 2.6 | 0.35 | 6.2 |
7 | 氯仿 | 200 | DEAC | 100 | 60 | 氯仿 | 600 | 7.1 | 2.9 | 0.35 | 5.2 |
8 | 癸烷 | 200 | DEAC | 100 | 25 | 二氯甲烷 | 900 | 5.8 | 2.5 | 0.36 | 7.8 |
9 | 氯仿 | 200 | EASC | 200 | 60 | 氯仿 | 900 | 8.1 | 2.8 | 0.36 | 4.6 |
CE1 | - | - | - | - | - | - | - | 5.4 | 1.8 | 0.36 | 28.9 |
CE2 | 癸烷 | 200 | DEAC | 100 | 60 | - | - | 8.5 | 1.3 | 0.34 | 5.2 |
CE3 | - | - | - | - | 60 | 氯仿 | 600 | 5.5 | 2.0 | 0.26 | 12.3 |
*DEAC:氯化二乙基铝,EADC:氯化乙基铝,EASC:倍半氯化乙基铝,CE:对比例
如上所示,用本发明生产方法可生产用于乙烯均聚和共聚的高聚合活性的新催化剂,其可生产高堆积密度的聚合物。
Claims (7)
1.一种乙烯均聚或共聚用催化剂的生产方法,包括以下步骤:
(i)通过使卤化镁化合物与醇接触反应制备镁溶液,其中为获得所述镁溶液所需的所述醇的量为至少0.5mol/mol所述的镁化合物;
(ii)通过使所述溶液与含有至少一个羟基的酯类化合物和有至少一个烷氧基的硅氧烷化合物反应,然后使之与钛化合物和硅化合物的混合物反应来生产固体组分,其中所述具有至少一个羟基的酯化合物的用量为0.001~5mol/mol镁,所述具有至少一个烷氧基的硅氧烷化合物的用量为0.05~3mol/mol镁,所述钛化合物和所述硅化合物的混合物的用量为0.1~200mol/mol所述镁化合物,和混合物中所述钛化合物与所述硅化合物的摩尔比为1∶0.05~0.95;和
(iii)使所述固体组分与铝化合物和卤代烷化合物反应,然后使之与钛化合物反应。
2.权利要求1的乙烯均聚或共聚用催化剂的生产方法,其中所述有至少一个羟基的酯类化合物是有至少一个羟基的不饱和脂族酸酯,选自丙烯酸2-羟乙酯、甲基丙烯酸2-羟乙酯、丙烯酸2-羟丙酯、甲基丙烯酸2-羟丙酯、丙烯酸4-羟丁酯、和三丙烯酸季戊四醇酯;含有至少一个羟基的脂族单酯或多酯,选自乙酸2-羟乙酯、3-羟丁酸甲酯、3-羟丁酸乙酯、2-羟异丁酸甲酯、2-羟异丁酸乙酯、3-羟基-2-甲基丙酸甲酯、2,2-二甲基-3-羟基丙酸酯、6-羟己酸乙酯、2-羟异丁酸叔丁酯、3-羟戊二酸二乙酯、乳酸乙酯、乳酸异丙酯、乳酸丁基异丁酯、乳酸异丁酯、扁桃酸乙酯、酒石酸二甲基乙酯、酒石酸乙酯、酒石酸二丁酯、柠檬酸二乙酯、柠檬酸三乙酯、2-羟己酸乙酯、和二(羟甲基)丙二酸二乙酯;有至少一个羟基的芳族酯,选自苯甲酸2-羟乙酯、水杨酸2-羟乙酯、4-(羟甲基)苯甲酸甲酯、4-羟基苯甲酸甲酯、3-羟基苯甲酸乙酯、4-甲基水杨酸酯、水杨酸乙酯、水杨酸苯酯、4-羟基苯甲酸丙酯、3-羟基萘烷酸苯酯、单乙二醇单苯甲酸酯、二甘醇苯甲酸酯、和三甘醇单苯甲酸酯;或有至少一个羟基的脂环族酯;其中所述有至少一个烷氧基的硅化合物用以下通式表示:RnSi(OR)4-n,其中R代表有1~12个碳的烃,n代表0至3的自然数。
3.权利要求1的乙烯均聚或共聚用催化剂的生产方法,其中所述钛化合物用以下通式表示:Ti(OR)aX4-a,其中R代表有1~10个碳原子的烷基,X代表卤原子,a代表0至4的自然数;其中所述硅化合物用以下通式表示:RnSiCl4-n,其中R代表有1~10个碳的烷基,n代表0至4的自然数。
4.权利要求3的乙烯均聚或共聚用催化剂的生产方法,其中所述钛化合物为4-卤化钛,选自TiCl4、TiBr4、和TiI4;3-卤化烷氧基钛,选自Ti(OCH3)Cl3、Ti(OC2H5)Cl3、Ti(OC2H5)Br3、和Ti(O(i-C4H9))Br3;2-卤化烷氧基钛,选自Ti(OCH3)2Cl2、Ti(OC2H5)2Cl2、Ti(O(i-C4H9))2Cl2、和Ti(OC2H5)2Br2;和四烷氧基钛,选自Ti(OCH3)4、Ti(OC2H5)4、和Ti(OC4H9)4;或其混合物;其中所述硅化合物为四氯化硅;三氯硅烷,选自甲基三氯硅烷、乙基三氯硅烷、和苯基三氯硅烷;二氯硅烷,选自二甲基二氯硅烷、二乙基二氯硅烷、二苯基二氯硅烷、和甲基苯基二氯硅烷;或一氯硅烷;或其混合物。
5.权利要求1的乙烯均聚或共聚用催化剂的生产方法,其中所述钛化合物为四氯化钛,所述硅化合物为四氯化硅。
6.权利要求1的乙烯均聚或共聚用催化剂的生产方法,其中所述铝化合物是有1~6个碳的烷基的三烷基铝,选自三乙基铝和三异丁基铝;有一或多个卤素的铝化合物,选自二氯化乙基铝、氯化二乙基铝、和倍半氯化乙基铝;或其混合物。
7.权利要求1的乙烯均聚或共聚用催化剂的生产方法,其中所述卤代烷化合物是有1~20个碳原子和一或多个卤素的卤代烷化合物、或其混合物。
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-
2000
- 2000-11-10 KR KR10-2000-0066672A patent/KR100389962B1/ko not_active IP Right Cessation
-
2001
- 2001-11-09 CN CNB018199550A patent/CN1235917C/zh not_active Expired - Fee Related
- 2001-11-09 WO PCT/KR2001/001905 patent/WO2002038620A1/en active Application Filing
- 2001-11-09 JP JP2002541951A patent/JP3950052B2/ja not_active Expired - Fee Related
- 2001-11-09 EP EP01993627A patent/EP1349878B1/en not_active Expired - Lifetime
- 2001-11-09 DE DE60138481T patent/DE60138481D1/de not_active Expired - Lifetime
- 2001-11-09 AU AU2002224155A patent/AU2002224155A1/en not_active Abandoned
- 2001-11-09 US US10/416,692 patent/US6914028B2/en not_active Expired - Fee Related
- 2001-11-09 AT AT01993627T patent/ATE429453T1/de not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI473827B (zh) * | 2011-05-27 | 2015-02-21 | China Petro Chemical Technologydevelopment Company Ltd | Magnesium halide adducts, catalyst components comprising them and catalysts, and the above-mentioned production methods and applications |
CN109694423A (zh) * | 2017-10-24 | 2019-04-30 | 中国石油化工股份有限公司 | 用于乙烯聚合的催化剂组分及其制备方法和用于乙烯聚合的催化剂 |
CN109694423B (zh) * | 2017-10-24 | 2021-07-30 | 中国石油化工股份有限公司 | 用于乙烯聚合的催化剂组分及其制备方法和用于乙烯聚合的催化剂 |
Also Published As
Publication number | Publication date |
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US20040053774A1 (en) | 2004-03-18 |
EP1349878A4 (en) | 2004-09-15 |
EP1349878B1 (en) | 2009-04-22 |
KR100389962B1 (ko) | 2003-07-02 |
JP3950052B2 (ja) | 2007-07-25 |
CN1531558A (zh) | 2004-09-22 |
ATE429453T1 (de) | 2009-05-15 |
EP1349878A1 (en) | 2003-10-08 |
AU2002224155A1 (en) | 2002-05-21 |
WO2002038620A1 (en) | 2002-05-16 |
US6914028B2 (en) | 2005-07-05 |
DE60138481D1 (de) | 2009-06-04 |
KR20020036484A (ko) | 2002-05-16 |
JP2004513990A (ja) | 2004-05-13 |
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