CN1160377C - 乙烯均聚和共聚催化剂 - Google Patents
乙烯均聚和共聚催化剂 Download PDFInfo
- Publication number
- CN1160377C CN1160377C CNB998167460A CN99816746A CN1160377C CN 1160377 C CN1160377 C CN 1160377C CN B998167460 A CNB998167460 A CN B998167460A CN 99816746 A CN99816746 A CN 99816746A CN 1160377 C CN1160377 C CN 1160377C
- Authority
- CN
- China
- Prior art keywords
- compound
- titanium
- hydroxyl
- catalyst
- magnesium
- 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
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 24
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000007334 copolymerization reaction Methods 0.000 title claims abstract description 12
- 239000005977 Ethylene Substances 0.000 title claims abstract description 10
- 239000010936 titanium Substances 0.000 claims abstract description 41
- -1 ester compound Chemical class 0.000 claims abstract description 40
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 30
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 29
- 150000003609 titanium compounds Chemical class 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 150000002681 magnesium compounds Chemical class 0.000 claims abstract description 20
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 16
- 150000003377 silicon compounds Chemical class 0.000 claims abstract description 14
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 9
- 150000001639 boron compounds Chemical class 0.000 claims abstract description 6
- 150000002148 esters Chemical class 0.000 claims description 30
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 13
- 239000004215 Carbon black (E152) Substances 0.000 claims description 11
- 229930195733 hydrocarbon Natural products 0.000 claims description 11
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims description 10
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 claims description 7
- 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 6
- 125000005843 halogen group Chemical group 0.000 claims description 6
- 239000005049 silicon tetrachloride Substances 0.000 claims description 6
- AJSTXXYNEIHPMD-UHFFFAOYSA-N triethyl borate Chemical compound CCOB(OCC)OCC AJSTXXYNEIHPMD-UHFFFAOYSA-N 0.000 claims description 6
- 239000011949 solid catalyst Substances 0.000 claims description 5
- LGQXXHMEBUOXRP-UHFFFAOYSA-N tributyl borate Chemical compound CCCCOB(OCCCC)OCCCC LGQXXHMEBUOXRP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 125000002723 alicyclic group Chemical group 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 125000001188 haloalkyl group Chemical group 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- MDCWDBMBZLORER-UHFFFAOYSA-N triphenyl borate Chemical compound C=1C=CC=CC=1OB(OC=1C=CC=CC=1)OC1=CC=CC=C1 MDCWDBMBZLORER-UHFFFAOYSA-N 0.000 claims description 2
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 abstract description 36
- 229910052749 magnesium Inorganic materials 0.000 abstract description 34
- 238000006116 polymerization reaction Methods 0.000 abstract description 34
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 25
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 18
- 238000009826 distribution Methods 0.000 abstract description 11
- 239000002245 particle Substances 0.000 abstract description 7
- 229920000642 polymer Polymers 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 150000001875 compounds Chemical class 0.000 description 17
- 238000000034 method Methods 0.000 description 17
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 16
- 239000000126 substance Substances 0.000 description 16
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 14
- 239000000843 powder Substances 0.000 description 9
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 8
- 239000002131 composite material Substances 0.000 description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 5
- 229910052736 halogen Inorganic materials 0.000 description 5
- 150000002367 halogens Chemical class 0.000 description 5
- 229910001629 magnesium chloride Inorganic materials 0.000 description 5
- 239000004711 α-olefin Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 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
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-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
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 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
- 230000008569 process Effects 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 235000011147 magnesium chloride Nutrition 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 3
- 238000012725 vapour phase polymerization Methods 0.000 description 3
- 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
- UWNADWZGEHDQAB-UHFFFAOYSA-N 2,5-dimethylhexane Chemical group CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 description 2
- BWLBGMIXKSTLSX-UHFFFAOYSA-N 2-hydroxyisobutyric acid Chemical compound CC(C)(O)C(O)=O BWLBGMIXKSTLSX-UHFFFAOYSA-N 0.000 description 2
- WRMNZCZEMHIOCP-UHFFFAOYSA-N 2-phenylethanol Chemical compound OCCC1=CC=CC=C1 WRMNZCZEMHIOCP-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
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 150000001721 carbon Chemical group 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
- BYLOHCRAPOSXLY-UHFFFAOYSA-N dichloro(diethyl)silane Chemical compound CC[Si](Cl)(Cl)CC BYLOHCRAPOSXLY-UHFFFAOYSA-N 0.000 description 2
- CZUBGVJZOVZVBI-UHFFFAOYSA-N diethoxyboron Chemical compound CCO[B]OCC CZUBGVJZOVZVBI-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- OMSUIQOIVADKIM-UHFFFAOYSA-N ethyl 3-hydroxybutyrate Chemical compound CCOC(=O)CC(C)O OMSUIQOIVADKIM-UHFFFAOYSA-N 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 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
- 229910052757 nitrogen Inorganic materials 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
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000037048 polymerization activity Effects 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- 150000003608 titanium Chemical class 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
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- KNKRKFALVUDBJE-UHFFFAOYSA-N 1,2-dichloropropane Chemical compound CC(Cl)CCl KNKRKFALVUDBJE-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
- LTMRRSWNXVJMBA-UHFFFAOYSA-L 2,2-diethylpropanedioate Chemical compound CCC(CC)(C([O-])=O)C([O-])=O LTMRRSWNXVJMBA-UHFFFAOYSA-L 0.000 description 1
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-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
- JUVBNUWZRZREEE-UHFFFAOYSA-N 2-hydroxyethyl hexanoate Chemical compound CCCCCC(=O)OCCO JUVBNUWZRZREEE-UHFFFAOYSA-N 0.000 description 1
- WBPAQKQBUKYCJS-UHFFFAOYSA-N 2-methylpropyl 2-hydroxypropanoate Chemical compound CC(C)COC(=O)C(C)O WBPAQKQBUKYCJS-UHFFFAOYSA-N 0.000 description 1
- 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 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
- IWHLYPDWHHPVAA-UHFFFAOYSA-N 6-hydroxyhexanoic acid Chemical compound OCCCCCC(O)=O IWHLYPDWHHPVAA-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- MRABAEUHTLLEML-UHFFFAOYSA-N Butyl lactate Chemical group CCCCOC(=O)C(C)O MRABAEUHTLLEML-UHFFFAOYSA-N 0.000 description 1
- HYSWTQSDEBWRQF-UHFFFAOYSA-L C(CCC)O[B+2].[Cl-].[Cl-] Chemical compound C(CCC)O[B+2].[Cl-].[Cl-] HYSWTQSDEBWRQF-UHFFFAOYSA-L 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000005046 Chlorosilane Substances 0.000 description 1
- YSAVZVORKRDODB-UHFFFAOYSA-N Diethyl tartrate Chemical compound CCOC(=O)C(O)C(O)C(=O)OCC YSAVZVORKRDODB-UHFFFAOYSA-N 0.000 description 1
- GYCKQBWUSACYIF-UHFFFAOYSA-N Ethyl salicylate Chemical compound CCOC(=O)C1=CC=CC=C1O GYCKQBWUSACYIF-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 101000809257 Homo sapiens Ubiquitin carboxyl-terminal hydrolase 4 Proteins 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 1
- 102100038463 Ubiquitin carboxyl-terminal hydrolase 4 Human genes 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- CLJRHWKKIIXJAE-UHFFFAOYSA-L [B++]c1ccccc1.[O-]c1ccccc1.[O-]c1ccccc1 Chemical compound [B++]c1ccccc1.[O-]c1ccccc1.[O-]c1ccccc1 CLJRHWKKIIXJAE-UHFFFAOYSA-L 0.000 description 1
- VIPHRYYVNJSPFJ-UHFFFAOYSA-M [O].C1(=CC=CC=C1)[Sb](C1=CC=CC=C1)Cl Chemical compound [O].C1(=CC=CC=C1)[Sb](C1=CC=CC=C1)Cl VIPHRYYVNJSPFJ-UHFFFAOYSA-M 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000001491 aromatic compounds 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
- 239000011324 bead Substances 0.000 description 1
- CUBCNYWQJHBXIY-UHFFFAOYSA-N benzoic acid;2-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=CC=C1.OC(=O)C1=CC=CC=C1O CUBCNYWQJHBXIY-UHFFFAOYSA-N 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- RKLSGKOUKYOIRM-UHFFFAOYSA-N butylboron Chemical compound [B]CCCC RKLSGKOUKYOIRM-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- QABCGOSYZHCPGN-UHFFFAOYSA-N chloro(dimethyl)silicon Chemical compound C[Si](C)Cl QABCGOSYZHCPGN-UHFFFAOYSA-N 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 229930007927 cymene Natural products 0.000 description 1
- 125000002704 decyl 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])* 0.000 description 1
- 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 description 1
- OVVMHZRGSHTZDB-UHFFFAOYSA-N dibutylboron Chemical compound CCCC[B]CCCC OVVMHZRGSHTZDB-UHFFFAOYSA-N 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- 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 description 1
- GNEPOXWQWFSSOU-UHFFFAOYSA-N dichloro-methyl-phenylsilane Chemical compound C[Si](Cl)(Cl)C1=CC=CC=C1 GNEPOXWQWFSSOU-UHFFFAOYSA-N 0.000 description 1
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- 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
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
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- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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Abstract
本发明涉及用于乙烯均聚或共聚的催化剂,或更具体而言,涉及用于乙烯均聚或共聚的固体复合钛催化剂,所述催化剂的制备是通过下列步骤完成的:使卤代镁化合物与醇接触反应制备镁溶液,使所述溶液与具有至少一个羟基的酯化合物和具有烷氧基的硼化合物反应,然后使所述溶液与钛化合物和硅化合物的混合物反应。本发明的催化剂具有高的活性,并且用本发明催化剂制备的聚合物的优点在于:该聚合物具有高的堆积密度,具有窄的颗粒分布和低的细粉含量。
Description
技术领域
本发明涉及用于乙烯均聚或共聚的催化剂,或更具体而言,涉及负载在含镁载体上的高活性钛固体复合物催化剂,所述催化剂可以制备具有窄的颗粒分布和低的细粉含量的高堆积密度的聚合物。
背景技术
已知用于乙烯聚合或共聚的含镁催化剂具有非常好的催化活性和具有高的堆积密度,其适合于液相或气相聚合。乙烯的液相聚合是指在如乙烯本体,异戊烷,或己烷这样的介质中进行的聚合工艺,至于用于该工艺的催化剂的重要特性,包括如下:高活性,堆积密度,溶解于一种介质中的低分子量分子的量,聚合物的颗粒分布,细粉的量等。
许多用于烯烃聚合的含有镁的钛基催化剂及其制备方法已有报道。特别地,已知许多方法利用镁溶液来得到高堆积密度的烯烃聚合催化剂。一种获得镁溶液的方法是使镁化合物与电子给体,例如醇,胺,环醚,或有机羧酸,在烃溶剂存在下反应。关于使用醇的实例,公开于USP4,330,649和5,106,807中。另外,通过使镁溶液与卤化物例如四氯化钛反应,制备含镁催化剂的方法是众所周知的。这样的催化剂提供高的堆积密度,但是在催化活性和堆积密度方面仍有待大大提高。同时,当聚合是通过采用这样的催化剂的方法进行时,得到的聚合物含有大量的具有宽颗粒大小分布和低堆积密度的细粉。同样地,在加工时的生产率和操作性方面有严重的缺点。
为解决这些问题,USP 3,953,414和4,111,835公开了通过二氯化镁水合物喷雾干燥方法制备催化剂的方法,该催化剂用于制备具有非常大的平均颗粒大小的球形聚合物。但是,这些方法要求许多催化剂的生产设备,例如喷雾干燥设备和其它设备,并且得到的催化剂具有活性低的缺点。而且,由于在聚合物中存在非常大的颗粒,在熔融加工时可能出现问题。
发明内容
如上所述,需要开发一种新的催化剂,用于乙烯均聚或共聚来制备聚合物,应具有下列条件:简单的制造工艺,高的聚合活性,通过控制催化剂颗粒的方法得到高的聚合物堆积密度,和具有很少细粉的特别窄的颗粒分布。因此在本发明中,其目的是提供一种由便宜的化合物、通过简单的工艺制备催化剂的方法,该催化剂具有优异的催化活性,能够生产具有窄的颗粒分布和很少细粉的高堆积密度的聚合物。而且,本发明所公开的催化剂的特殊制备方法及其步骤在现有技术中从未有报道。
因此,本发明的目的是提供一种用于乙烯均聚或共聚的催化剂,所述催化剂具有高的催化剂活性,能够生产高堆积密度的、具有窄的颗粒分布和很少细粉的聚合物。
本发明的另一个目的是提供一种用于乙烯均聚或共聚的催化剂的简单制备方法。
参考后面的说明书和权利要求,可以了解本发明的其它目的和本发明的应用。
具体实施方式
如本发明提供的具有高的催化剂活性、能够生产具有窄的颗粒分布和具有很少细粉的高堆积密度的聚合物的催化剂,是采用一种简单而有效的制备方法生产的,该方法包括(i)通过卤化镁化合物与醇接触反应,制备一种镁溶液,(ii)使该镁溶液与含有至少一个羟基的酯化合物和含有烷氧基的硼化合物反应,和(iii)通过加入钛化合物和硅化合物来制备固体钛催化剂。
可用于本发明的卤化镁化合物的类型如下:二卤化镁,例如氯化镁,碘化镁,氟化镁,和溴化镁;烷基卤化镁,例如甲基卤化镁,乙基卤化镁,丙基卤化镁,丁基卤化镁,异丁基卤化镁,己基卤化镁,戊基卤化镁;烷氧基卤化镁,例如甲氧基卤化镁,乙氧基卤化镁,异丙氧基卤化镁,丁氧基卤化镁,辛氧基卤化镁;和芳氧基卤化镁,例如苯氧基卤化镁,和甲基苯氧基卤化镁。在上述镁化合物中,两种或多种化合物可以混合使用。而且,上述镁化合物可以以与其它金属的复合物形式来有效地使用。
在上述列举的化合物中,某些可以用简单的化学式表示,但是其它的化合物不能根据镁化合物的制备方法来表示。在后者情况下,通常可以认为是一些所列举的化合物的混合物。例如,下列化合物可用于本发明中:通过镁化合物与聚硅氧烷化合物、含有卤素的硅烷化合物、酯、或醇反应得到的化合物;和通过镁金属与醇、苯酚、或醚,在卤硅烷、五氯化磷、或亚硫酰氯存在下反应得到的化合物。但是,优选的镁化合物是卤化镁,特别是氯化镁,或烷基氯化镁,优选含有1~10个碳的烷基的烷基氯化镁;烷氧基氯化镁,优选含有1~10个碳的烷氧基氯化镁;和芳氧基氯化镁,优选含有6~20个碳的芳氧基氯化镁。本发明使用的镁溶液,是通过用醇作为溶剂,在烃溶剂存在或不存在下,将上述化合物溶解而制备的。
至于本发明使用的烃溶剂的类型,包括脂肪烃,例如戊烷,己烷,庚烷,辛烷,癸烷,和煤油;脂环烃,例如环戊烷,甲基环戊烷,环己烷,和甲基环己烷;芳香烃,例如苯,甲苯,二甲苯,乙苯,异丙基苯,和甲基异丙基苯;和卤代烃,例如二氯丙烷,二氯乙烯,三氯乙烯,四氯化碳,和氯苯。
在上述烃存在或不存在下,使用醇将一种镁化合物转变为镁溶液。醇的类型包括含有1~20个碳原子的醇,例如甲醇,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,和对异丙基苄醇,尽管含有1~12个碳原子的醇是优选的。目标催化剂的平均大小及其颗粒分布,会因醇的种类、总含量、镁化合物的种类、和镁与醇的比例等改变。然而,为得到镁溶液所要求的醇的总量至少为0.5摩尔/摩尔镁化合物,优选约1.0~20摩尔,或更优选约2.0~10摩尔。
用镁化合物与醇来制备镁溶液的反应优选在烃存在下进行。反应温度取决于醇的种类和用量,至少为-25℃,优选为-10~200℃,或更优选为约0~150℃。优选该反应进行约15分钟~5h,更优选约30分钟~4h。
本发明使用的电子给体中,含有至少一个羟基的酯化合物包括具有至少一个羟基的不饱和脂肪酸酯,例如丙烯酸(2-羟基乙)酯,甲基丙烯酸(2-羟基乙)酯,丙烯酸(2-羟基丙)酯,甲基丙烯酸(2-羟基丙)酯,丙烯酸(4-羟基丁)酯,季戊四醇三丙烯酸酯;含有至少一个羟基的脂肪族单酯或多酯,例如乙酸(2-羟基乙)酯,3-羟基丁酸甲酯,3-羟基丁酸乙酯,2-羟基异丁酸甲酯,2-羟基异丁酸乙酯,3-羟基-2-甲基丙酸甲酯,2,2-二甲基-3-羟基丙酸酯,6-羟基己酸乙酯,2-羟基异丁酸叔丁酯,3-羟基戊二酸二乙酯,乳酸乙酯,乳酸异丙酯,乳酸丁基异丁基酯,乳酸异丁酯,扁桃酸乙酯,酒石酸二甲基乙基酯,酒石酸乙酯,酒石酸二丁酯,柠檬酸二乙酯,柠檬酸三乙酯,2-羟基-己酸乙酯,双(羟甲基)丙二酸二乙酯;具有至少一个羟基的芳香酯,例如苯甲酸(2-羟基乙)酯,水杨酸(2-羟基乙)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-羟基萘酸苯酯,单苯甲酸单乙二醇酯,苯甲酸二乙二醇酯,苯甲酸三乙二醇酯;具有至少一个羟基的脂环酯,例如内酯,等等。含有至少一个羟基的酯化合物的用量应为0.001~5摩尔/摩尔镁,或优选0.01~2摩尔/摩尔镁。
对于本发明的另一种电子给体—含有一个烷氧基的硼化合物,优选通式为BR1 n(OR2)3-n(其中R1代表含有1~20个碳的烃或卤素,R2为含有1~20个碳的烃,并且n为0~2的整数)的化合物。更具体而言,它包括硼酸三甲酯,硼酸三乙酯,硼酸三丁酯,硼酸三苯酯,甲基硼二乙氧化物,乙基硼二乙氧化物,乙基硼二丁氧化物,丁基硼二丁氧化物,苯基硼苯氧化物,二乙基硼乙氧化物,二丁基硼乙氧化物,二苯基硼苯氧化物,氯化二乙氧基硼,溴化二乙氧基硼,氯化二苯氧基硼,二氯化乙氧基硼,二溴化乙氧基硼,二氯化丁氧基硼,二氯化苯氧基硼,和氯化乙基乙氧基硼。这种化合物的用量应为0.005~3摩尔/摩尔镁,或更优选0.05~2摩尔/摩尔镁。
对于镁溶液、含有至少一个羟基的酯化合物、和烷氧基硼化合物的接触反应的温度,0~100℃的温度是合适的,或更优选为10~70℃。
在本方法中,使镁化合物溶液与一种混合物反应,再结晶出催化剂颗粒,所述混合物是一种通式为Ti(OR)aX4-a(R代表含有1~10个碳的烷基;X为卤原子;并且“a”为0~4的自然数)的液态钛化合物和一种通式为RnSiCl4-n(其中R代表H;或含有1~10个碳的烷基,烷氧基,卤代烷基或芳基;或卤代硅基或含有1~8个碳的卤代硅基烷基;n=0-3)的硅化合物的混合物。满足通式Ti(OR)aX4-a的钛化合物的类型包括四卤化钛,例如TiCl4,TiBr4和TiI4;三卤化烷氧基钛,例如Ti(OCH3)Cl3,Ti(OC2H5)Cl3,Ti(OC2H5)Br3和Ti(O(i-C4H9))Br3;二卤化烷氧基钛化合物,例如Ti(OCH3)2Cl2,Ti(OC2H5)2Cl2,Ti(O(i-C4H9))2Cl2,和Ti(OC2H5)2Br2;和四烷氧基钛,例如Ti(OCH3)4,Ti(OC2H5)4,和Ti(OC4H9)4。上述钛化合物的混合物也可以用于本发明。但是,优选的钛化合物是含有卤素的钛化合物,更优选四氯化钛。
满足上述通式RnSiCl4-n的硅化合物的类型包括四氯化硅;三氯硅烷,例如甲基三氯硅烷,乙基三氯硅烷,苯基三氯硅烷;二氯硅烷,例如二甲基二氯硅烷,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,例如三甲基氯硅烷;并且这些硅化合物的混合物也可以用于本发明,或更优选地使用四氯化硅。
在镁化合物溶液重新结晶过程中所使用的钛化合物和硅化合物的混合物的合适用量为0.1~200摩尔/摩尔卤化镁化合物,优选0.1~100摩尔,或更优选0.2~80摩尔。在混合物中,钛化合物与硅化合物的合适的摩尔比为0.05~0.95,或更优选0.1~0.8。当镁化合物溶液与钛化合物和硅化合物的混合物反应时,得到的重新结晶出来的固体组分的形状和大小,依反应条件而极大地改变。为得到如本发明所需要的催化剂目标大小及聚合物的目标大小和分布,保持所述钛化合物和硅化合物的上述混合物量及其混合比是有利的。如果超出上述范围,将很难得到需要的结果。镁化合物与钛化合物和硅化合物混合物的反应,优选在足够低的温度下进行,以形成固体组分。更优选地,该反应在-70~70℃接触进行,或更优选在-50~50℃进行。接触反应后,反应温度缓慢升高,在50~150℃下充分反应0.5~5小时。
在上述过程中得到的固体催化剂颗粒,可以与钛化合物进一步反应。这些钛化合物是卤化钛,和带有含1~20个碳的烷氧官能团的卤化烷氧基钛。同时,也可以使用这些化合物的混合物。但是在这些化合物中,使用卤化钛和带有含1~8个碳的烷氧官能团的卤化烷氧基钛化合物是合适的,或更优选使用四卤化钛。
另外,本发明方法制备的固体复合钛催化剂可用于乙烯的均聚或共聚。特别地,该催化剂用于乙烯的均聚,和用于乙烯与具有三个或更多个碳的α-烯烃的共聚,所述α-烯烃是例如丙烯,1-丁烯,1-戊烯,4-甲基-1-戊烯,或1-己烯。
在本发明催化剂存在下进行的聚合反应,使用(i)本发明的包括镁,钛,卤素,和电子给体的固体复合钛催化剂,和(ii)包括周期表第II和III族金属的有机金属化合物的助催化剂。
本发明的固体复合钛催化剂组分在用于前述的聚合反应前,可以用于乙烯或α-烯烃的预聚合。预聚合可以在烃溶剂,例如己烷的存在下,在足够低的温度下,用一定压力的乙烯或α-烯烃,在上述催化剂组分和如三乙基铝这样的有机铝化合物存在下来进行。预聚合通过在催化剂颗粒周围包裹聚合物而保持催化剂的形状,有助于得到高质量的后聚合聚合物形状。预聚合后聚合物与催化剂的重量比通常为0.1∶1~20∶1。
本发明中的有机金属化合物可以用通式MRn表示,其中M代表周期表的第II或第IIIA族的金属组分,例如镁,钙,锌,硼,铝,和镓,R代表含有1~20个碳的烷基,例如甲基,乙基,丁基,己基,辛基,或癸基,n表示金属组分的原子价。至于更优选的有机金属化合物,可以使用含有1~6个碳的烷基的三烷基铝,例如三乙基铝和三异丁基铝,或其混合物。有时也可以使用含有一个或多个卤素或氢基的有机铝化合物,例如二氯一乙基铝,一氯二乙基铝,倍半氯乙基铝,或二异丁基铝氢化物。
至于聚合反应,既可以在没有有机溶剂存在下进行气相聚合或本体聚合,也可以在有机溶剂存在下进行液相淤浆聚合。但是,这些聚合方法是在没有氧气,水,或其它可以使催化剂中毒的化合物存在进行的。
在液相淤浆聚合的情况下,以催化剂中的钛原子计,聚合系统中固体复合钛化合物(i)的浓度为约0.001~5mmol/升溶剂,或更优选约0.001~0.5mmol。至于溶剂,可以使用下列化合物或其混合物:烷烃或环烷烃,例如戊烷,己烷,庚烷,正辛烷,异辛烷,环己烷,甲基环己烷;烷基芳香化合物,例如甲苯,二甲苯,乙苯,异丙苯,乙基甲苯,正丙苯,二乙苯;和卤代芳香化合物,例如氯苯,氯萘,邻-二氯苯。
在气相聚合的情况下,以催化剂中的钛原子计,固体复合钛化合物(i)的用量应为约0.001~5mmol/升聚合反应物,优选约0.001~1.0mmol,或更优选约0.01~0.5mmol。
以铝原子计,有机金属化合物(ii)的优选浓度为约1~2,000mol/mol催化剂(i)的钛原子,或更优选约5~500mol。
为了得到好的聚合反应速率,无论采用什么聚合方法,在此的聚合反应均在足够高的温度下进行。一般地,合适的温度为约20~200℃,或更优选约20~95℃。在聚合时的合适单体压力为1.013×105帕斯卡~1.013×107帕斯卡,或更优选2.026×105~5.065×106帕斯卡。
在本发明中,分子量根据聚合时氢气的量而变化,该变化由熔融指数(ASTM D 1238)来表示,该指数是本领域中已知的。随着分子量的降低,熔融指数的值通常变得更大。
通过本发明聚合方法得到的产品,是具有优异堆积密度和流动性的固体乙烯均聚物,或乙烯和α-烯烃的共聚物。由于聚合物产率足够好,不需要脱除残余催化剂。
下面的实施例和比较例进一步描述了本发明,但是本发明不受限或局限于这些实施例。
实施例1
制备催化剂
通过如下三步过程,制备一种固体复合钛催化剂:
(i)步:制备镁溶液
一个装有机械搅拌的1.0L反应器,用氮气置换,向其中加入9.5g氯化镁和400ml癸烷。用300rpm的转速搅拌后,加入60ml 2-乙基己醇。将温度升至120℃,然后继续反应3小时。将反应后得到的均匀溶液冷却到室温(25℃)。
(ii)步:镁溶液、含有一个羟基的酯和烷氧基硼化合物的接触反应
向上述的冷却到室温的镁溶液中,加入1.2ml甲基丙烯酸(2-羟基乙)酯和5.1ml硼酸三甲酯,然后继续反应1小时。
(iii)步:钛化合物和硅化合物混合物的处理
向上述溶液中,在室温(25℃)下,用1小时,滴加入30ml四氯化钛和30ml四氯化硅的溶液混合物。滴加过程结束后,将反应器的温度在搅拌下升高到80℃,然后在该温度下维持1小时。停止搅拌后,除去上层清夜,并向剩余的固体层中依次加入300ml癸烷和100ml四氯化钛。将温度升高到100℃,并在该温度维持2小时。反应结束后,将反应器冷却到室温,并用400ml己烷重复洗涤得到的固体产品,直到除去未反应的游离的四氯化钛。这样制备的固体催化剂的钛含量为3.8%。聚合
将一个2L高压反应器在烘箱中干燥,并趁热安装。为使反应器内部为氮气氛,在反应器中充氮气和抽真空交替进行三次。向反应器中加入1,000ml正己烷,然后向其中加入2mmol三乙基铝和0.03mmol钛原子的固体催化剂。然后,加入500ml氢气。在700rpm的转速搅拌下,将温度升高到80℃。乙烯的压力调节到5.516×105帕斯卡,连续聚合1小时。聚合结束后,反应器的温度降低到室温,加入大量的乙醇以终止聚合反应。分离收集这样制备的聚合物,并在50℃的烘箱中干燥至少6小时,由此得到白色粉末状的聚乙烯。
以每单位量所使用的催化剂(mmolTi)生产的聚合物的重量(kg)比,计算聚合活性(kg聚乙烯/mmolTi)。表1显示了聚合的结果,及聚合物的堆积密度(g/ml),熔融指数(g/10min),和聚合物的颗粒大小分布。
实施例2
在实施例1的步骤(ii)中,使用1.2ml甲基丙烯酸(2-羟基乙)酯和7.7ml硼酸三甲酯来制备催化剂。这样制备的催化剂的钛含量为3.4%。如实施例1进行聚合,其结果列于表1。
实施例3
在实施例1的步骤(ii)中,使用1.2ml甲基丙烯酸(2-羟基乙)酯和7.6ml硼酸三乙酯来制备催化剂。这样制备的催化剂的钛含量为3.5%。如实施例1进行聚合,其结果列于表1。
实施例4
在实施例1的步骤(ii)中,使用1.2ml甲基丙烯酸(2-羟基乙)酯和11.4ml硼酸三乙酯来制备催化剂。这样制备的催化剂的钛含量为3.4%。如实施例1进行聚合,其结果列于表1。
实施例5
在实施例1的步骤(ii),使用1.2ml甲基丙烯酸(2-羟基乙)酯和12.1ml硼酸三丁酯来制备催化剂。这样制备的催化剂的钛含量为3.9%。如实施例1进行聚合,其结果列于表1。
实施例6
在实施例1的步骤(ii)中,使用1.2ml甲基丙烯酸(2-羟基乙)酯和18.2ml硼酸三丁酯来制备催化剂。这样制备的催化剂的钛含量为3.5%。如实施例1进行聚合,其结果列于表1。
实施例7
在实施例1的步骤(ii)中,使用1.2ml甲基丙烯酸(2-羟基乙)酯和11.4ml硼酸三乙酯,并在步骤(iii)中,使用40ml四氯化钛和20ml四氯化硅来制备催化剂。这样制备的催化剂的钛含量为4.0%。如实施例1进行聚合,其结果列于表1。
实施例8
在实施例1的步骤(ii)中,使用1.2ml甲基丙烯酸(2-羟基乙)酯和11.4ml硼酸三乙酯,并在步骤(iii)中,使用20ml四氯化钛和40ml四氯化硅来制备催化剂。这样制备的催化剂的钛含量为3.3%。如实施例1进行聚合,其结果列于表1。
比较例1
在实施例1的步骤(ii),不使用甲基丙烯酸(2-羟基乙)酯或硼酸三甲酯来制备催化剂。这样制备的催化剂的钛含量为3.9%。如实施例1进行聚合,其结果列于表1。
比较例2
在实施例1的步骤(ii),单独使用1.2ml甲基丙烯酸(2-羟基乙)酯,而不使用硼酸三甲酯来制备催化剂。这样制备的催化剂的钛含量为3.3%。如实施例1进行聚合,其结果列于表1。
比较例3
在实施例1的步骤(ii)中,既不使用甲基丙烯酸(2-羟基乙)酯,也不使用硼酸三甲酯,在步骤(iii)中,使用60ml四氯化钛来制备催化剂。这样制备的催化剂的钛含量为4.1%。如实施例1进行聚合,其结果列于表1。
比较例4
在实施例1的步骤(ii)中,使用1.2ml甲基丙烯酸(2-羟基乙)酯和12.1ml硼酸三丁酯,在步骤(iii)中,使用60ml四氯化钛来制备催化剂。这样制备的催化剂的钛含量为3.7%。如实施例1进行聚合,其结果列于表1。
表1聚合结果
实施例 | 活性(kgPE/mmolTi) | 堆积密度(g/ml) | 熔融指数(g/10min) | 聚合物颗粒分布(wt%) | |||||||
>1100μm | 840μm | 500μm | 250μm | 177μm | 105μm | 74μm | <44μm | ||||
1 | 5.4 | 0.38 | 0.52 | 0.6 | 3.4 | 10.8 | 52.4 | 21.2 | 8.4 | 2.6 | 0.6 |
2 | 4.8 | 0.36 | 0.43 | 0.4 | 9.4 | 16.4 | 45.2 | 18.7 | 6.7 | 3.2 | 0 |
3 | 6.3 | 0.40 | 0.58 | 0.2 | 1.2 | 12.6 | 58.2 | 24.8 | 2.6 | 0.4 | 0 |
4 | 5.9 | 0.38 | 0.42 | 0.3 | 4.6 | 9.3 | 54.8 | 19.8 | 6.7 | 4.5 | 0 |
5 | 6.4 | 0.37 | 0.54 | 0.8 | 4.6 | 8.6 | 59.4 | 18.6 | 7.1 | 0.9 | 0 |
6 | 5.4 | 0.36 | 0.52 | 0.5 | 4.1 | 10.5 | 52.8 | 20.2 | 11.7 | 0.7 | 0 |
7 | 6.2 | 0.35 | 0.54 | 0.2 | 0.7 | 16.4 | 41.4 | 36.8 | 1.2 | 2.1 | 1.2 |
8 | 6.0 | 0.35 | 0.52 | 1.2 | 12.1 | 26.2 | 38.4 | 19.4 | 1.5 | 0.4 | 0.8 |
CE1 | 3.8 | 0.29 | 0.31 | 0 | 0.6 | 0.5 | 7.6 | 13.9 | 24.2 | 36.2 | 17.0 |
CE2 | 4.4 | 0.26 | 0.42 | 2.2 | 2.7 | 2.4 | 9.4 | 13.7 | 12.6 | 34.2 | 22.8 |
CE3 | 3.9 | 0.22 | 0.36 | 1.6 | 0.4 | 1.2 | 8.6 | 15.5 | 38.7 | 19.4 | 14.6 |
CE4 | 3.6 | 0.28 | 0.31 | 0.7 | 3.8 | 5.1 | 16.2 | 32.4 | 22.1 | 15.5 | 4.2 |
*CE:比较例
如上所示,本发明的用于乙烯均聚和共聚的催化剂的制备方法简单,同时催化剂具有优异的催化活性。另外,如此制备的聚合物具有高的堆积密度和窄的颗粒分布,还具有降低细粉含量的作用。
Claims (3)
1.一种用于乙烯均聚和共聚的固体钛催化剂,其中所述催化剂采用下列步骤制备:
(i)通过卤化镁化合物与醇在烃溶剂存在下接触来制备一种镁化合物溶液;
(ii)使所述溶液与含有一个羟基的酯化合物和含有烷氧基的硼化合物反应,其中所述含有烷氧基的硼化合物的通式为B(OR2)3-n,其中R2为含有1~20个碳的烃基,并且n为0;和
(iii)使得自上述步骤(ii)的溶液与钛化合物和硅化合物的混合物反应,来制备固体催化剂,并且任选地,该固体催化剂进一步与钛化合物反应,其中所述钛化合物由通式Ti(OR)aX4-a表示,其中R代表含有1~10个碳的烷基,X为卤原子,并且“a”为0~4的整数;并且其中所述硅化合物由通式RnSiCl4-n表示,其中R代表H,或含有1~10个碳的烷基,烷氧基,卤代烷基或芳基,或卤代硅基或含有1~8个碳的卤代硅基烷基,n=0-4的整数。
2.根据权利要求1的固体钛催化剂,其中所述含有一个羟基的酯化合物是具有一个羟基的不饱和脂肪酸酯,含有一个羟基的脂肪族单酯,含有一个羟基的脂肪族多酯,或具有一个羟基的脂环酯,并且其中所述含有烷氧基的硼化合物选自硼酸三甲酯,硼酸三乙酯,硼酸三丁酯和硼酸三苯酯。
3.根据权利要求1的固体钛催化剂,其中所述钛化合物是四氯化钛,所述硅化合物是四氯化硅。
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ATE276281T1 (de) | 1999-10-23 | 2004-10-15 | Samsung General Chemicals Co | Verbesserter katalysator für olefinhomo- und co- polymerisation |
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KR100530794B1 (ko) * | 2001-06-21 | 2005-11-23 | 삼성토탈 주식회사 | 에틸렌 중합 및 공중합용 촉매 |
-
1999
- 1999-05-27 KR KR1019990019193A patent/KR100546499B1/ko not_active IP Right Cessation
- 1999-10-23 DE DE69919755T patent/DE69919755T2/de not_active Expired - Lifetime
- 1999-10-23 EP EP99951234A patent/EP1203034B1/en not_active Expired - Lifetime
- 1999-10-23 CN CNB998167460A patent/CN1160377C/zh not_active Expired - Fee Related
- 1999-10-23 AT AT99951234T patent/ATE274530T1/de not_active IP Right Cessation
- 1999-10-23 WO PCT/KR1999/000638 patent/WO2000073355A1/en active IP Right Grant
- 1999-10-23 JP JP2001500679A patent/JP3566949B2/ja not_active Expired - Fee Related
-
2004
- 2004-07-07 US US10/886,066 patent/US7045478B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20000074914A (ko) | 2000-12-15 |
EP1203034A1 (en) | 2002-05-08 |
KR100546499B1 (ko) | 2006-01-26 |
DE69919755D1 (de) | 2004-09-30 |
WO2000073355A1 (en) | 2000-12-07 |
EP1203034B1 (en) | 2004-08-25 |
ATE274530T1 (de) | 2004-09-15 |
CN1359395A (zh) | 2002-07-17 |
DE69919755T2 (de) | 2005-09-01 |
US7045478B2 (en) | 2006-05-16 |
US20040242409A1 (en) | 2004-12-02 |
JP3566949B2 (ja) | 2004-09-15 |
JP2003501495A (ja) | 2003-01-14 |
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