CN1297574C - 用于烯烃聚合的催化剂组分及其催化剂 - Google Patents
用于烯烃聚合的催化剂组分及其催化剂 Download PDFInfo
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- CN1297574C CN1297574C CNB03153662XA CN03153662A CN1297574C CN 1297574 C CN1297574 C CN 1297574C CN B03153662X A CNB03153662X A CN B03153662XA CN 03153662 A CN03153662 A CN 03153662A CN 1297574 C CN1297574 C CN 1297574C
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- China
- Prior art keywords
- alkyl
- catalyst component
- aryl
- compound
- catalyst
- Prior art date
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- Expired - Lifetime
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- 239000003054 catalyst Substances 0.000 title claims abstract description 67
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 50
- -1 magnesium halide Chemical class 0.000 claims abstract description 47
- 150000001875 compounds Chemical class 0.000 claims abstract description 38
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 12
- 239000001257 hydrogen Substances 0.000 claims abstract description 12
- 239000011777 magnesium Substances 0.000 claims abstract description 11
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 10
- 150000003609 titanium compounds Chemical class 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims description 19
- 239000000741 silica gel Substances 0.000 claims description 19
- 238000002360 preparation method Methods 0.000 claims description 17
- 229910002027 silica gel Inorganic materials 0.000 claims description 17
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 14
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 125000003118 aryl group Chemical group 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 10
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 9
- 125000005843 halogen group Chemical group 0.000 claims description 9
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 9
- 125000001931 aliphatic group Chemical group 0.000 claims description 6
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 125000005234 alkyl aluminium group Chemical group 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 125000001188 haloalkyl group Chemical group 0.000 claims description 4
- 150000002367 halogens Chemical class 0.000 claims description 4
- 239000012798 spherical particle Substances 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 125000005907 alkyl ester group Chemical group 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 150000004292 cyclic ethers Chemical class 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 claims description 2
- 229960001866 silicon dioxide Drugs 0.000 claims 2
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 1
- 125000004067 aliphatic alkene group Chemical group 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims 1
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical compound OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 abstract description 21
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 abstract description 21
- 238000009826 distribution Methods 0.000 abstract description 15
- 230000037048 polymerization activity Effects 0.000 abstract description 7
- 229920000642 polymer Polymers 0.000 abstract description 6
- 239000000377 silicon dioxide Substances 0.000 abstract description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000013329 compounding Methods 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 58
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 30
- 239000000243 solution Substances 0.000 description 29
- 235000011147 magnesium chloride Nutrition 0.000 description 26
- 229920001155 polypropylene Polymers 0.000 description 25
- 239000004743 Polypropylene Substances 0.000 description 24
- 239000002131 composite material Substances 0.000 description 24
- 229910001629 magnesium chloride Inorganic materials 0.000 description 24
- 239000011949 solid catalyst Substances 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 12
- 125000004432 carbon atom Chemical group C* 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- 239000002002 slurry Substances 0.000 description 8
- 150000001336 alkenes Chemical class 0.000 description 7
- 238000001694 spray drying Methods 0.000 description 7
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 6
- 125000002877 alkyl aryl group Chemical group 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- ZWINORFLMHROGF-UHFFFAOYSA-N 9,9-bis(methoxymethyl)fluorene Chemical compound C1=CC=C2C(COC)(COC)C3=CC=CC=C3C2=C1 ZWINORFLMHROGF-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910021485 fumed silica Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- BHPDSAAGSUWVMP-UHFFFAOYSA-N 3,3-bis(methoxymethyl)-2,6-dimethylheptane Chemical compound COCC(C(C)C)(COC)CCC(C)C BHPDSAAGSUWVMP-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000001993 dienes Chemical class 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 150000002903 organophosphorus compounds Chemical class 0.000 description 3
- 150000003961 organosilicon compounds Chemical class 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 3
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 3
- LDAYPNRUDRHPCA-UHFFFAOYSA-N 2,7-dicyclopentyl-9,9-bis(methoxymethyl)fluorene Chemical compound C1=C2C(COC)(COC)C3=CC(C4CCCC4)=CC=C3C2=CC=C1C1CCCC1 LDAYPNRUDRHPCA-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001335 aliphatic alkanes Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 125000006165 cyclic alkyl group Chemical group 0.000 description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 2
- MGWAVDBGNNKXQV-UHFFFAOYSA-N diisobutyl phthalate Chemical compound CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C MGWAVDBGNNKXQV-UHFFFAOYSA-N 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- RMBPEFMHABBEKP-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2C3=C[CH]C=CC3=CC2=C1 RMBPEFMHABBEKP-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000012442 inert solvent Substances 0.000 description 2
- 229910052809 inorganic oxide Inorganic materials 0.000 description 2
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N o-biphenylenemethane Natural products C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000002685 polymerization catalyst Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 150000003623 transition metal compounds Chemical class 0.000 description 2
- NOAIBMQZUGBONL-UHFFFAOYSA-N (1,3-dimethoxy-2-methylpropan-2-yl)benzene Chemical compound COCC(C)(COC)C1=CC=CC=C1 NOAIBMQZUGBONL-UHFFFAOYSA-N 0.000 description 1
- HPOWOWTVWZELDK-UHFFFAOYSA-N (1,3-dimethoxy-2-methylpropan-2-yl)cyclohexane Chemical compound COCC(C)(COC)C1CCCCC1 HPOWOWTVWZELDK-UHFFFAOYSA-N 0.000 description 1
- HBMODDNTUPGVFW-UHFFFAOYSA-N (1,3-dimethoxy-2-phenylpropan-2-yl)benzene Chemical compound C=1C=CC=CC=1C(COC)(COC)C1=CC=CC=C1 HBMODDNTUPGVFW-UHFFFAOYSA-N 0.000 description 1
- NXDUWPUPBXRKTJ-UHFFFAOYSA-N (2-benzyl-1,3-dimethoxypropan-2-yl)benzene Chemical compound C=1C=CC=CC=1C(COC)(COC)CC1=CC=CC=C1 NXDUWPUPBXRKTJ-UHFFFAOYSA-N 0.000 description 1
- MEPSBRTXOHFWCF-UHFFFAOYSA-N (2-cyclohexyl-1,3-dimethoxypropan-2-yl)cyclohexane Chemical compound C1CCCCC1C(COC)(COC)C1CCCCC1 MEPSBRTXOHFWCF-UHFFFAOYSA-N 0.000 description 1
- BEDHCUAJOBASSZ-UHFFFAOYSA-N (2-cyclopentyl-1,3-dimethoxypropan-2-yl)cyclopentane Chemical compound C1CCCC1C(COC)(COC)C1CCCC1 BEDHCUAJOBASSZ-UHFFFAOYSA-N 0.000 description 1
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 description 1
- 125000006736 (C6-C20) aryl group Chemical group 0.000 description 1
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- HHGPZISECHQRLO-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-2-methyl-4-phenylindene Chemical compound COCC1(COC)C(C)=CC2=C1C=CC=C2C1=CC=CC=C1 HHGPZISECHQRLO-UHFFFAOYSA-N 0.000 description 1
- FXWFWIIEIAUQHQ-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-2-phenylindene Chemical compound C=1C2=CC=CC=C2C(COC)(COC)C=1C1=CC=CC=C1 FXWFWIIEIAUQHQ-UHFFFAOYSA-N 0.000 description 1
- AOMPEGLZDDFFRM-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-2h-anthracene Chemical compound C1=CC=C2C=C3C(COC)(COC)CC=CC3=CC2=C1 AOMPEGLZDDFFRM-UHFFFAOYSA-N 0.000 description 1
- OSTKQRYZSROERR-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-3,6-dimethylindene Chemical compound C1=C(C)C=C2C(COC)(COC)C=C(C)C2=C1 OSTKQRYZSROERR-UHFFFAOYSA-N 0.000 description 1
- OGMUHNYKQFIZMP-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-4,7-dimethyl-4,5,6,7-tetrahydroindene Chemical compound CC1CCC(C)C2=C1C(COC)(COC)C=C2 OGMUHNYKQFIZMP-UHFFFAOYSA-N 0.000 description 1
- ZZPVNMUQOQQUHU-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-4,7-dimethylindene Chemical compound CC1=CC=C(C)C2=C1C(COC)(COC)C=C2 ZZPVNMUQOQQUHU-UHFFFAOYSA-N 0.000 description 1
- SLWKIVRKLSDJDJ-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-4-phenyl-2h-naphthalene Chemical compound C12=CC=CC=C2C(COC)(COC)CC=C1C1=CC=CC=C1 SLWKIVRKLSDJDJ-UHFFFAOYSA-N 0.000 description 1
- REYOVQKLCXXZTD-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-4-phenylindene Chemical compound COCC1(COC)C=CC2=C1C=CC=C2C1=CC=CC=C1 REYOVQKLCXXZTD-UHFFFAOYSA-N 0.000 description 1
- JEENAIJBWUBGSW-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-7-(3,3,3-trifluoropropyl)indene Chemical compound C1=CC(CCC(F)(F)F)=C2C(COC)(COC)C=CC2=C1 JEENAIJBWUBGSW-UHFFFAOYSA-N 0.000 description 1
- RMXREGKBZYAVSC-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-7-(trifluoromethyl)indene Chemical compound C1=CC(C(F)(F)F)=C2C(COC)(COC)C=CC2=C1 RMXREGKBZYAVSC-UHFFFAOYSA-N 0.000 description 1
- ZOIKOBDBSUJRNE-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-7-methylindene Chemical compound C1=CC(C)=C2C(COC)(COC)C=CC2=C1 ZOIKOBDBSUJRNE-UHFFFAOYSA-N 0.000 description 1
- UQGOQZUZKNXSTQ-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-7-phenylindene Chemical compound C=12C(COC)(COC)C=CC2=CC=CC=1C1=CC=CC=C1 UQGOQZUZKNXSTQ-UHFFFAOYSA-N 0.000 description 1
- VJTYHGPEEHLNGJ-UHFFFAOYSA-N 1,1-bis(methoxymethyl)-7-propan-2-ylindene Chemical compound C1=CC(C(C)C)=C2C(COC)(COC)C=CC2=C1 VJTYHGPEEHLNGJ-UHFFFAOYSA-N 0.000 description 1
- ILXXAZBXJLMEQM-UHFFFAOYSA-N 1,1-bis(methoxymethyl)indene Chemical compound C1=CC=C2C(COC)(COC)C=CC2=C1 ILXXAZBXJLMEQM-UHFFFAOYSA-N 0.000 description 1
- MZECAZRMUYMCLS-UHFFFAOYSA-N 1,1-bis(phenoxymethyl)indene Chemical compound C1=CC2=CC=CC=C2C1(COC=1C=CC=CC=1)COC1=CC=CC=C1 MZECAZRMUYMCLS-UHFFFAOYSA-N 0.000 description 1
- UFMBYFXYRLFVPN-UHFFFAOYSA-N 1,1-bis[methoxy(phenyl)methyl]indene Chemical compound C1=CC2=CC=CC=C2C1(C(OC)C=1C=CC=CC=1)C(OC)C1=CC=CC=C1 UFMBYFXYRLFVPN-UHFFFAOYSA-N 0.000 description 1
- KWXZYQJINBQUCF-UHFFFAOYSA-N 1,2,3,4-tetrafluoro-5,5-bis(methoxymethyl)cyclopenta-1,3-diene Chemical compound COCC1(COC)C(F)=C(F)C(F)=C1F KWXZYQJINBQUCF-UHFFFAOYSA-N 0.000 description 1
- KEIFWROAQVVDBN-UHFFFAOYSA-N 1,2-dihydronaphthalene Chemical compound C1=CC=C2C=CCCC2=C1 KEIFWROAQVVDBN-UHFFFAOYSA-N 0.000 description 1
- CELOJHLXFPSJPH-UHFFFAOYSA-N 1,3-dimethoxypropan-2-ylbenzene Chemical compound COCC(COC)C1=CC=CC=C1 CELOJHLXFPSJPH-UHFFFAOYSA-N 0.000 description 1
- NOWCPSTWMDNKTI-UHFFFAOYSA-N 1,3-dimethoxypropan-2-ylcyclohexane Chemical compound COCC(COC)C1CCCCC1 NOWCPSTWMDNKTI-UHFFFAOYSA-N 0.000 description 1
- SCTKUNIIBPPKNV-UHFFFAOYSA-N 1,8-dichloro-9,9-bis(methoxymethyl)fluorene Chemical compound C12=CC=CC(Cl)=C2C(COC)(COC)C2=C1C=CC=C2Cl SCTKUNIIBPPKNV-UHFFFAOYSA-N 0.000 description 1
- PEKQXDFNLCXEIG-UHFFFAOYSA-N 1,8-difluoro-9,9-bis(methoxymethyl)fluorene Chemical compound C12=CC=CC(F)=C2C(COC)(COC)C2=C1C=CC=C2F PEKQXDFNLCXEIG-UHFFFAOYSA-N 0.000 description 1
- YDGNDCHPLHXQMK-UHFFFAOYSA-N 1-(1,3-dimethoxypropan-2-yl)-1,2,3,4,4a,5,6,7,8,8a-decahydronaphthalene Chemical compound C1CCCC2C(C(COC)COC)CCCC21 YDGNDCHPLHXQMK-UHFFFAOYSA-N 0.000 description 1
- LDUUYUXZUXHPEU-UHFFFAOYSA-N 1-(1,3-dimethoxypropan-2-yl)-2-fluorobenzene Chemical compound COCC(COC)C1=CC=CC=C1F LDUUYUXZUXHPEU-UHFFFAOYSA-N 0.000 description 1
- NCTNEBZFFHGOIK-UHFFFAOYSA-N 1-(1,3-dimethoxypropan-2-yl)naphthalene Chemical compound C1=CC=C2C(C(COC)COC)=CC=CC2=C1 NCTNEBZFFHGOIK-UHFFFAOYSA-N 0.000 description 1
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- HPFWUWXYBFOJAD-UHFFFAOYSA-N 1-chloro-4-(1,3-dimethoxypropan-2-yl)benzene Chemical compound COCC(COC)C1=CC=C(Cl)C=C1 HPFWUWXYBFOJAD-UHFFFAOYSA-N 0.000 description 1
- PUBYKMSPAJMOGX-UHFFFAOYSA-N 1-chloro-4-[2-(4-chlorophenyl)-1,3-dimethoxypropan-2-yl]benzene Chemical compound C=1C=C(Cl)C=CC=1C(COC)(COC)C1=CC=C(Cl)C=C1 PUBYKMSPAJMOGX-UHFFFAOYSA-N 0.000 description 1
- BPIUIOXAFBGMNB-UHFFFAOYSA-N 1-hexoxyhexane Chemical compound CCCCCCOCCCCCC BPIUIOXAFBGMNB-UHFFFAOYSA-N 0.000 description 1
- OUPPKRIDJAMCCA-UHFFFAOYSA-N 1-methoxy-2-(methoxymethyl)-2,3-dimethylbutane Chemical compound COCC(C)(C(C)C)COC OUPPKRIDJAMCCA-UHFFFAOYSA-N 0.000 description 1
- ROSQVPGTZCDBOC-UHFFFAOYSA-N 1-methoxy-2-(methoxymethyl)-2,4-dimethylpentane Chemical compound COCC(C)(COC)CC(C)C ROSQVPGTZCDBOC-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明涉及一种用于烯烃聚合的催化剂组分及其催化剂,该催化剂组分通过一种卤化镁和硅胶的复合载体、1,3二醚化合物和钛化合物反应制备,其用于丙烯聚合时,不仅聚合活性高,氢调敏感性好,而且所得聚合物的分子量分布较宽。
Description
技术领域
本发明涉及一种用于烯烃聚合特别是丙烯聚合或共聚合催化剂组分及其催化剂,更具体地,涉及一种采用复合载体的催化剂组分和催化剂。
技术背景
众所周知,高效载体型Ziegler-Natta催化剂已广泛应用于乙烯、丙烯的聚合以及它们与其它α-烯烃的共聚合中。在已公开的专利技术中,高效载体型催化剂通常以氯化镁为单一载体,为了提高催化活性,首先采取不同的物理或化学方法制备氯化镁载体,然后负载上过渡金属化合物和给电子体化合物形成催化剂活性中心。现已公开的许多专利中是将氯化镁负载在硅胶等多孔无机氧化物载体上,然后再用卤钛化合物和给电子体化合物处理,最终得到烯烃聚合催化剂。例如,英国专利GB2028347给出了一种制备载在多孔无机氧化物载体上的催化剂组分的方法,即用氯化镁溶液浸渍二氧化硅载体,之后使溶剂蒸发,得到的固体产物再与过渡金属化合物特别是钛化合物反应。又如中国专利CN1035186C公开了一种利用二氧化硅载体制备高效聚丙烯催化剂的技术。它是将表面含有羟基的多孔二氧化硅载体分散于氯化镁的四氢呋喃溶液中,干燥上述悬浮液,得到MgCl2/SiO2复合载体,再用四氯化钛和给电子体化合物处理该载体,最终得到催化剂产品。但该催化剂的活性较低。例如以邻苯二甲酸二异丁酯为内给电子体时,催化剂用于丙烯聚合时两个小时的聚合活性最高为20kgPP/gCat。还有许多专利描述了这种通过浸渍法制备复合载体型催化剂的技术,例如在US5559071、US5625015、WO94/14855、WO94/14856、WO95/11263、WO95/15216、WO95/12622、WO96/16093、WO96/05236、WO97/23518、WO98/01481、WO99/46306、WO00/22011、WO00/40623、WO00/05277和EP0295312等专利中都公开了这种催化剂的制备技术。
但是采用上述氯化镁溶液浸渍的方法得到的载体所制备的催化剂,在用于丙烯聚合时,聚合活性都不令人满意。这可能是由于这种浸渍的方法基本上是利用硅胶载体本身的颗粒形态来控制最终催化剂的颗粒形态,一般所采用多孔硅胶的颗粒较大,通常平均粒径为~50μm,限制了活性组分在硅胶上的负载量,使最终催化剂的活性不高。
美国专利US4376062公开了一种复合载体型的催化剂,其是在给电子体溶剂中,如四氢呋喃中,将无水氯化镁与四氯化钛接触反应得到含活性组分的浆液或溶液,然后将其与粒径为0.007~0.05μm的烟雾状二氧化硅进行混合后,经喷雾干燥后得到平均粒径为25μm左右的催化剂产品。该催化剂与活化剂(烷基铝)作用后用于乙烯聚合,表现出较高的聚合活性。但对于用于丙烯聚合来说,为了得到高等规度的丙烯聚合物,加入内给电子体是非常必要的,而上述的制备方法将不利于稳定地控制各组分在载体上的组成。同时由于在进行喷雾的浆液中含有大量的四氯化钛,容易对喷雾干燥设备造成腐蚀,不利于工业化生产。
另外,近年来,一些公开的专利技术指出,通过使用含有二个或多个醚基团的化合物作为给电子体,可以使得常规的Ziegler-Natta催化剂的性能大大提高。如中国专利CN1042547A和CN1143561A等所公开的烯烃聚合催化剂组分,
其使用结构式如通式1和通式2所示的1、3-二醚类化合物为内给电子体,
通式1 通式2
这种催化剂用于丙烯聚合时,聚合活性高,氢调敏感性较好,立体定向性较强,即使在聚合时不使用外给电子体(硅烷类)与之配合,所得聚丙烯的等规度最高也能达到98%。但这类催化剂所得聚丙烯产品的分子量分布(Mw/Mn)较窄,Mw/Mn一般都小于5。这对于某些牌号的聚丙烯产品(比如BOPP)的生产是不利的。因此,非常需要提供一种催化剂,其在用于丙烯聚合时,不仅聚合活性高,氢调敏感性好,而且所得聚合物的分子量分布较宽。
发明内容
本发明涉及一种用于烯烃聚合的催化剂组分,其含有以下组分的反应产物:
(1)一种复合载体,其是将卤化镁与一种或多种给电子体化合物接触形成溶液,该溶液与平均粒径小于30μm的硅胶载体混合,经喷雾干燥制得球状颗粒;
(2)至少一种选自通式(I)的1,3-二醚类化合物;
其中RI、RII、RIII、RIV、RV和RVI相同或不相同,选自氢、卤原子、直链或支链的C1-C20烷基、C3-C20环烷基、C6-C20芳基、C7-C20烷芳基、C7-C20芳烷基中的一种,而RVII和RVIII可以相同或互不相同,选自直链或支链的C1-C20烷基、C3-C20环烷基、C6-C20芳基、C7-C20烷芳基、C7-C20芳烷基中的一种;RI-RVI的基团间可键接成环;
(3)通式Ti(OR)4-mXm所示的钛化合物,式中R是C1~C14的脂肪烃基,X从F、Cl、Br或其混合物中选取,m为1~4的整数。
在上述的复合载体中,其中所述的卤化镁如Mg(OR1)2-mXm所示,式中R1是C1~C14烃基,X从F、Cl、Br或其混合物中选取,m为1或2,R1是直链,支链或环状的烷基。具体的化合物如:二氯化镁、二溴化镁、氯化苯氧基镁、氯化异丙氧基镁、氯化丁氧基镁等,其中优选二氯化镁。所述卤化镁化合物可以单独或混合使用。
合适的给电子体化合物包括脂肪或芳香醇、脂肪醚、环醚、脂肪族烯烃或卤代脂肪族烯烃的氧化物、脂肪酮、脂肪或芳香羧酸的烷基酯、磷酸或亚磷酸的烃基酯或卤代烃基酯。特别适用的是含1-4个碳原子的饱和脂肪羧酸的烷基酯;含7-8个碳原子的芳族的烷基酯;含2-8个碳原子、最好为4-5个碳原子的脂族醚;含4-5个碳原子的环脂族醚、最好是含4个碳原子的单醚或二醚;和含3-6个碳原子、最好为4-5个碳原子的脂族酮。例如:甲醇、乙醇、异丙醇、正丁醇、异丁醇、异戊醇、正辛醇、异辛醇、乙二醇、丙二醇、氯乙醇、三氯乙醇、乙醚、丁醚、甲酸甲酯、乙酸乙酯、乙酸丁酯、乙醚、己醚、四氢呋喃(THF)、丙酮、甲基异丁基酮等,优选为乙醇、异丙醇、正丁醇、四氢呋喃。给电子体可以单独使用或几种配合使用。
合适的给电子体化合物还包括含有机环氧化合物和/或有机磷化合物,所述的有机环氧化合物选自包括碳原子数在2~8的脂肪族烯烃、二烯烃或卤代脂肪组烯烃或二烯烃的氧化物、缩水甘油醚和内醚中的至少一种。例如:环氧乙烷、环氧丙烷、环氧丁烷、丁二烯氧化物,丁二烯双氧化物、环氧氯丙烷、甲基缩水甘油醚、二缩水甘油醚。所述的有机磷化合物选自正磷酸或亚磷酸的烃基酯或卤代烃基酯。例如:正磷酸三甲酯、正磷酸三乙酯、正磷酸三丁酯、正磷酸三苯酯、亚磷酸三甲酯、亚磷酸三乙酯、亚磷酸三丁酯、亚磷酸苯甲酯。
为了使卤化镁与给电子体接触反应形成均匀的溶液,通常情况下,每摩尔卤化镁需要给电子体化合物3~50摩尔,优选为6~30摩尔。这种溶液的制备可以在一种惰性有机溶剂存在下进行,该溶剂不与卤化镁形成加合物。溶剂优选烷烃、卤代烃和6-12个碳原子的芳烃,例如己烷、庚烷、二氯乙烷、甲苯、二甲苯、乙苯等。
为了便于喷雾成型得到较小颗粒的复合载体,所述的二氧化硅载体物质一般选用平均粒径小于30μm的硅胶,优选为小于10μm,更优选为粒径小于1μm的烟雾状硅胶,亦称气相二氧化硅。这种硅胶的比表面积一般为200±50m2/g。
将溶液与硅胶混合后得到适于喷雾的淤浆液,一般地,每升溶液中硅胶的加入量为10~200g。
喷雾干燥可按以下步骤进行:将溶液与硅胶载体混合后得到的浆液与惰性干燥气体一起通过喷雾干燥仪进行喷雾干燥,得到球状的固体颗粒。
为了使本发明所述复合载体更好地适用于制备烯烃聚合用的催化剂,通常需要这种复合载体为平均直径5-70μm的球状颗粒,优选的颗粒平均直径为10-60μm球状颗粒。
本发明所述催化剂组分中所述的通式(I)1,3-二醚类化合物中,优选地,RIII和RIV互相键连形成不饱和的稠环结构,并且该稠环结构上的氢原子任选地被卤原子、直链或支链的C1-C20烷基、C3-C20环烷基、C6-C20芳基、C7-C20烷芳基、C7-C20芳烷基中的一种或多种所取代。
更优选地,所述的1,3-二醚类化合物选自如通式(II)所示的化合物:
进一步优选地,所述的1,3-二醚类化合物选自如通式(III)所示的化合物:
上述通式(II)或(III)中R独立地选自氢、卤原子、直链或支链的C1-C20烷基、C3-C20环烷基、C6-C20芳基、C7-C20烷芳基、C7-C20芳烷基中的一种;
其中R1独立地选自氢、卤原子、直链或支链的C1-C20烷基、C3-C20环烷基、C6-C20芳基、C7-C20烷芳基、C7-C20芳烷基中的一种;
其中R2选自直链或支链的C1-C20烷基、C3-C20环烷基、C6-C20芳基、C7-C20烷芳基、C7-C20芳烷基中的一种。
所述的通式(I)1,3-二醚类化合物的实例有:
2-(2-乙基己基)-1,3-二甲氧基丙烷;
2-异丙基-1,3-二甲氧基丙烷;
2-丁基-1,3-二甲氧基丙烷;
2-仲-丁基-1,3-二甲氧基丙烷;
2-环己基-1,3-二甲氧基丙烷;
2-苯基-1,3-二甲氧基丙烷;
2-枯基-1,3-二甲氧基丙烷;
2-(2-苯基乙基)-1,3-二甲氧基丙烷;
2-(2-环己基乙基)-1,3-二甲氧基丙烷;
2-(对-氯苯基)-1,3-二甲氧基丙烷;
2-(二苯基甲基)-1,3-二甲氧基丙烷;
2-(1-萘基)-1,3-二甲氧基丙烷;
2-(2-氟苯基)-1,3-二甲氧基丙烷;
2-(1-十氢萘基)-1,3-二甲氧基丙烷;
2-(对-叔-丁基苯基)-1,3-二甲氧基丙烷;
2,2-二环己基-1,3-二甲氧基丙烷;
2,2-二环戊基-1,3-二甲氧基丙烷;
2,2-二乙基-1,3-二甲氧基丙烷;
2,2-二丙基-1,3-二甲氧基丙烷;
2,2-二异丙基-1,3-二甲氧基丙烷;
2,2-二丁基-1,3-二甲氧基丙烷;
2-甲基-2-丙基-1,3-二甲氧基丙烷;
2-甲基-2-苄基-1,3-二甲氧基丙烷;
2-甲基-2-乙基-1,3-二甲氧基丙烷;
2-甲基-2-异丙基-1,3-二甲氧基丙烷;
2-甲基-2-苯基-1,3-二甲氧基丙烷;
2-甲基-2-环己基-1,3-二甲氧基丙烷;
2,2-双(对-氯苯基)-1,3-二甲氧基丙烷;
2,2-双(2-环己基乙基)-1,3-二甲氧基丙烷;
2-甲基-2-异丁基-1,3-二甲氧基丙烷;
2-甲基-2-(2-乙基己基)-1,3-二甲氧基丙烷;
2,2-二异丁基-1,3-二甲氧基丙烷;
2,2-二苯基-1,3-二甲氧基丙烷;
2,2-二苄基-1,3-二甲氧基丙烷;
2,2-双(环己基甲基)-1,3-二甲氧基丙烷;
2-异丁基-2-异丙基-1,3-二甲氧基丙烷;
2-(1-甲基丁基)-2-异丙基-1,3-二甲氧基丙烷;
2-(1-甲基丁基)-2-仲-丁基-1,3-二甲氧基丙烷;
2,2-二-仲-丁基-1,3-二甲氧基丙烷;
2,2-二-叔-丁基-1,3-二甲氧基丙烷;
2,2-二新戊基-1,3-二甲氧基丙烷;
2-异丙基-2-异戊基-1,3-二甲氧基丙烷;
2-苯基-2-异丙基-1,3-二甲氧基丙烷;
2-苯基-2-仲-丁基-1,3-二甲氧基丙烷;
2-苄基-2-异丙基-1,3-二甲氧基丙烷;
2-苄基-2-仲-丁基-1,3-二甲氧基丙烷;
2-苯基-2-苄基-1,3-二甲氧基丙烷;
2-环戊基-2-异丙基-1,3-二甲氧基丙烷;
2-环戊基-2-仲-丁基-1,3-二甲氧基丙烷;
2-环己基-2-异丙基-1,3-二甲氧基丙烷;
2-环己基-2-仲-丁基-1,3-二甲氧基丙烷;
2-异丙基-2-仲-丁基-1,3-二甲氧基丙烷;
2-环己基-2-环己基甲基-1,3-二甲氧基丙烷;
1,1-双(甲氧基甲基)-环戊二烯;
1,1-双(甲氧基甲基)-2,3,4,5-四甲基环戊二烯;
1,1-双(甲氧基甲基)-2,3,4,5-四苯基环戊二烯;
1,1-双(甲氧基甲基)-2,3,4,5-四氟环戊二烯;
1,1-双(甲氧基甲基)-3,4-二环戊基环戊二烯;
1,1-双(甲氧基甲基)茚;
1,1-双(甲氧基甲基)-2,3-二甲氧基茚;
1,1-双(甲氧基甲基)-4,5,6,7-四氟茚;
1,1-双(甲氧基甲基)-2,3,6,7-四氟茚;
1,1-双(甲氧基甲基)-4,7-二甲基茚;
1,1-双(甲氧基甲基)-3,6-二甲基茚;
1,1-双(甲氧基甲基)-4-苯基茚;
1,1-双(甲氧基甲基)-4-苯基-2-甲基茚;
1,1-双(甲氧基甲基)-4-环己基茚;
1,1-双(甲氧基甲基)-7-(3,3,3-三氟丙基)茚;
1,1-双(甲氧基甲基)-7-三甲基甲硅烷基茚;
1,1-双(甲氧基甲基)-7-三氟甲基茚;
1,1-双(甲氧基甲基)-4,7-二甲基-4,5,6,7-四氢茚;
1,1-双(甲氧基甲基)-7-甲基茚;
1,1-双(甲氧基甲基)-7-环戊基茚;
1,1-双(甲氧基甲基)-7-异丙基茚;
1,1-双(甲氧基甲基)-7-环己基茚;
1,1-双(甲氧基甲基)-7-叔-丁基茚;
1,1-双(甲氧基甲基)-7-叔-丁基-2-甲基茚;
1,1-双(甲氧基甲基)-7-苯基茚;
1,1-双(甲氧基甲基)-2-苯基茚;
9,9-双(甲氧基甲基)芴;
9,9-双(甲氧基甲基)-2,3,6,7-四甲基芴;
9,9-双(甲氧基甲基)-2,3,4,5,6,7-六氟芴;
9,9-双(甲氧基甲基)-2,3苯丙茚;
9,9-双(甲氧基甲基)-2,3,6,7-二苯丙茚;
9,9-双(甲氧基甲基)-2,7-二环戊基芴;
9,9-双(甲氧基甲基)-1,8-二氯芴;
9,9-双(甲氧基甲基)-2,7-二环戊基芴;
9,9-双(甲氧基甲基)-1,8-二氟芴;
9,9-双(甲氧基甲基)-1,2,3,4-四氢芴;
9,9-双(甲氧基甲基)-1,2,3,4,5,6,7,8-八氢芴;
9,9-双(甲氧基甲基)-4-叔-丁基芴;
1,1-双(1′-丁氧基乙基)-环戊二烯;
1,1-双(1′-异丙氧基-正丙基)环戊二烯;
1-甲氧基甲基-1-(1′-甲氧基乙基)-2,3,4,5-四甲基环戊二烯;
1,1-双(α-甲氧基苄基)茚;
1,1-双(苯氧基甲基)-茚;
1,1-双(1′-甲氧基乙基)-5,6-二氯茚;
1,1-双(苯氧基甲基)-3,6-二环乙基茚;
1-甲氧基甲基-1-(1′-甲氧基乙基)-7-叔丁基茚;
1,1-双[2-(2′甲氧基丙基)]-2-甲基茚;
9,9-双(α-甲氧基苯基)芴;
9,9-双(1′-异丙氧基-正丁基)-4,5-二苯基芴;
9,9-双(1′-甲氧基乙基)芴;
9-(甲氧基甲基)-9-(1′-甲氧基乙基)-2,3,6,7-四氟芴;
9-(甲氧基甲基)-9-戊氧基甲基芴;
9-(甲氧基甲基)-9-乙氧基甲基芴;
9-(甲氧基甲基)-9-(1′-甲氧基乙基)芴;
9-(甲氧基甲基)-9-[2-(2′甲氧基丙基)]芴;
1,1-双-(甲氧基甲基)-2,5-环己二烯;
1,1-双-(甲氧基甲基)苯并萘;
7,7-双-(甲氧基甲基)2,5-降冰片二烯;
9,9-双-(甲氧基甲基)-1,4-甲烷二氢萘;
9,9-双-(甲氧基甲基)-9,10-二氢蒽;
1,1-双-(甲氧基甲基)-1,2-二氢蒽;
4,4-双-(甲氧基甲基)-1-苯基-1,4-二氢萘;
4,4-双-(甲氧基甲基)-1-苯基-3,4-二氢萘;
5,5-双-(甲氧基甲基)-1,3,6-环庚三烯等。
本发明所述催化剂组分中,通式Ti(OR)4-mXm所示的钛化合物,式中R是C1~C14的脂肪烃基,X从F、Cl、Br或其混合物中选取,m为1~4的整数。具体可选用四氯化钛、四溴化钛、四碘化钛、四丁氧基钛、四乙氧基钛、一氯三乙氧基钛、二氯二乙氧基钛、三氯一乙氧基钛、三氯化钛中的一种或它们的混合物,优选四氯化钛。钛化合物应是在应用温度下、非极性溶剂中完全可溶的液态化合物。
反应物复合载体、1,3-二醚类化合物和钛化合物之间的比例为:5~20克复合载体/2~10毫摩尔1,3-二醚类化合物/0.5~2摩尔钛化合物。
具体地讲,本发明的固体催化剂组分可按如下方法制备:
(一)制备氯化镁溶液
可以按照已公开的一些方法来制备氯化镁溶液,比如使用US4784983和US4861847公开的氯化镁溶解体系来制备氯化镁溶液。
优选地,本发明中,氯化镁溶液按下述方法制备:
在装有搅拌的反应器中,加入一种醇或两种及两种以上醇的混合物,也可以再加入一种醚或酯,然后加入无水氯化镁,加热使氯化镁溶解。其中醇与氯化镁的摩尔比为3~50∶1,醚或酯与氯化镁的摩尔比为0~20∶1。上述氯化镁的溶解也可以在一种惰性有机溶剂中进行,溶剂的用量为0~20ml/gMgCl2。
(二)制备球形MgCl2/SiO2复合载体
向上述氯化镁溶液中加入烟雾状硅胶,硅胶的加入量为0.1~2g/gMgCl2,所用硅胶为平均颗粒直径小于10μm的气相二氧化硅。之后在10~100℃下搅拌0.5~3小时,制得浆液。然后将浆液与惰性干燥气体一起通过喷雾干燥仪进行喷雾干燥,得到平均粒径为5~60μm的球形MgCl2/SiO2复合载体。喷雾干燥时的进气温度控制在80~300℃,出气温度控制在50~200℃。一般地,复合载体的组成为:
MgCl2:20%~60%(重量)
SiO2:10%~60%(重量)
醇:5%~40%(重量)
醚:0~20%(重量)
溶剂:<5%(重量)
(三)制备固体催化剂组分
将上述球形载体悬浮于TiCl4和己烷的混合液(TiCl4量为5~10mlTiCl4/g载体,己烷与TiCl4的体积比为0~2)中,缓慢升温到80~100℃,在该温度下维持一段时间后将液体滤掉;加入过量的TiCl4(TiCl4量为12~16mlTiCl4/g载体),1~3小时内、缓慢升温至100~120℃,并在升温过程中加入1,3-二醚类化合物,其加入量为0.05~0.25mol/molMgCl2;反应1~2小时后过滤;任选地,加入一定量的TiCl4,在120℃维持1~2小时,将滤液过滤;用惰性溶剂如己烷等将固体物洗涤,然后将固体物在30℃~50℃下抽真空干燥,即得本发明的固体催化剂组分。
另外,本发明还涉及一种用于烯烃聚合的催化剂,其包含以下组分的反应产物:
(1)上述的本发明的催化剂组分(活性组分),
(2)烷基铝化合物组分,其通式如AlR1 nX3-n所示,式中R1是C1~C20烷基,可以是直链,支链或环状烷基,X为卤素,n=1、2或3。优选三乙基铝、三异丁基铝、三正丁基铝、三正己基铝、氯化烷基铝、Al(n-C6H13)3、Al(n-C8H17)3、AlEt2Cl等。可以选用一种或两种以上的烷基铝混合使用。
(3)任选地,一种外给电子体化合物,例如单或多官能羧酸、羧酸酐和羧酸酯,酮、醚、醇、内酯,以及有机磷和有机硅化合物。优选有机硅化合物,如通式RnSi(OR’)4-n的有机硅化合物,式中0≤n≤3,R’为烷基、环烷基、芳基、卤代烷基,R为烷基、环烷基、芳基、卤代烷基、或为卤素或氢原子。
在许多情况下,特别是在该催化剂用于丙烯聚合时,外给电子体化合物的使用是十分必要的。
其中固体催化剂组分(1)、烷基铝化合物组分(2)和外给电子体组分(3)之间的比例,以钛∶铝∶硅之间的摩尔比计为1∶5~1000∶0~500。
其中组分(2)和任选的组分(3)可以单独或作为两种成分的混合物与活性组分接触反应。
上述的催化剂适合于烯烃CH2=CHR(其中R是氢或1~6个碳的烷基或芳基)以及含有(如有必要)少量二烯烃的混合物的聚合反应。
烯烃的聚合按照已知方法进行,在液相单体或单体于惰性溶剂中的溶液的液相中,或在气相中,或通过在气液相中的组合聚合工艺进行操作。聚合温度一般为0℃~150℃,最好是60℃~100℃。聚合反应压力是常压或更高。
下面的例子用来说明本发明,并不是用来限制本发明的范围。
实施例1
1、氯化镁溶液的制备:
在用N2充分置换的带搅拌350ml的玻璃反应器中依次加入34.5ml乙醇,18.5ml正丁醇,32.4ml四氢呋喃。控制玻璃反应器内温度不急剧上升的情况下,缓慢加入无水氯化镁9.5g,然后缓慢升温,控制反应器内温度在60℃左右,搅拌下使无水氯化镁在此溶液中充分溶解。待体系基本溶解后,再维持2.5小时,得到氯化镁溶液。
2、复合载体的制备:
向上述溶液中加入发烟硅胶(硅胶粒径小于0.1μm)6g,充分搅拌1小时,形成浆液。然后控制进气温度为200℃、出气温度为130℃进行喷雾干燥,得到平均粒径为17μm左右的球形复合载体。
3、催化剂的制备:
取上述复合载体9.1g,缓慢加入预冷到0℃的四氯化钛中,1小时升温到40℃,在40℃加入2-异戊基-2-异丙基-1,3-二甲氧基丙烷4.7mmol,然后0.5小时升至100℃,维持2小时,将母液滤掉。再加入四氯化钛100ml,0.5小时升温到120℃,维持1小时,将母液滤掉。用己烷在60℃洗涤该固体物5次,每次己烷用量为60ml,洗涤时间为5分钟。最后将固体物干燥,得到固体催化剂组分,该催化剂组分中镁含量为13.2%(重量),钛含量为3.3%(重量),2-异戊基-2-异丙基-1,3-二甲氧基丙烷含量为8.8%(重量)。
4、丙烯聚合:
先用丙烯气体在70℃下将5升高压釜吹扫1小时,在室温下氮气气流中引入5ml三乙基铝的己烷溶液(三乙基铝的浓度为0.5mmol/ml)、1ml环己基甲基二甲氧基硅烷(CHMMS)的己烷溶液(CHMMS的浓度为0.1mmol/ml)、10ml无水己烷和8.0mg如上述所制备的固体球形催化剂组分。关闭高压釜,引入1.7NL的氢和1.5Kg的液体丙烯;在搅拌下5分钟内将温度升至70℃。在70℃下聚合反应2小时后,停搅拌,除去未聚合的丙烯单体,将釜内冷却至室温。
从高压釜中卸出370g聚丙烯,该聚丙烯的等规度(I.I.)=98.0%,熔融指数(M.I)=5.1g/10min,分子量分布Mw/Mn=7.1。催化剂的活性为46.3Kg聚丙烯/g固体催化剂组分,聚合物堆密度为0.43g/ml。
实施例2
氯化镁溶液、复合载体及催化剂的制备同实施例1,只是在丙烯聚合时不加外给电子体。催化剂的活性为51.5Kg聚丙烯/g固体催化剂组分,得到的聚丙烯的等规度(I.I.)=94.3%,熔融指数(M.I)=6.2g/10min,分子量分布Mw/Mn=7.0,聚合物堆密度为0.42g/ml。
实施例3
1、氯化镁溶液的制备:
在用N2充分置换的350ml带搅拌的玻璃反应器中依次加入34.5ml乙醇,45.5ml异丙醇。控制玻璃反应器内温度不急剧上升的情况下,边搅拌边缓慢加入无水氯化镁9.5g,然后缓慢升温,控制反应器内温度在75℃左右,搅拌下使无水氯化镁在此溶液中充分溶解。待体系基本溶解后,再维持2.5小时,得到氯化镁溶液。
2、复合载体的制备:
向上述溶液中加入发烟硅胶5g,充分搅拌1小时,形成浆液。然后控制进气温度为190℃、出气温度为110℃进行喷雾干燥,得到平均粒径为19μm左右的球形复合载体。
催化剂合成:同实施例1。
丙烯聚合:聚合方法同实施例1。催化剂的活性为54.0Kg聚丙烯/g固体催化剂组分,得到的聚丙烯的等规度(I.I.)=97.6%,熔融指数(M.I)=5.2g/10min,分子量分布Mw/Mn=7.3聚合物堆密度为0.42g/ml。
实施例4
同实施例3,只是在丙烯聚合时不加外给电子体。催化剂的活性为60.0Kg聚丙烯/g固体催化剂组分,得到的聚丙烯的等规度(I.I.)=93.8%,熔融指数(M.I)=6.3g/10min,分子量分布Mw/Mn=7.3,聚合物堆密度为0.40g/ml。
实施例5
以9,9-双(甲氧基甲基)芴代替2-异戊基-2-异丙基-1,3-二甲氧基丙烷,其余同实施例1。
催化剂的活性为54.2Kg聚丙烯/g固体催化剂组分,得到的聚丙烯的等规度(I.I.)=97.8%,熔融指数(M.I)=4.0g/10min,分子量分布Mw/Mn=7.6,聚合物堆密度为0.43g/ml。
实施例6
同实施例5,只是在丙烯聚合时不加外给电子体。
催化剂的活性为62.4Kg聚丙烯/g固体催化剂组分,得到的聚丙烯的等规度(I.I.)=92.8%,熔融指数(M.I)=5.3g/10min,分子量分布Mw/Mn=7.4,聚合物堆密度为0.40g/ml。
实施例7
以9,9-双(甲氧基甲基)芴代替2-异戊基-2-异丙基-1,3-二甲氧基丙烷,其余同实施例3。
催化剂的活性为58.6Kg聚丙烯/g固体催化剂组分,得到的聚丙烯的等规度(I.I.)=97.8%,熔融指数(M.I)=4.0g/10min,分子量分布Mw/Mn=7.4,聚合物堆密度为0.43g/ml。
实施例8
同实施例7,只是丙烯聚合时不加外给电子体。
催化剂的活性为64.3Kg聚丙烯/g固体催化剂组分,得到的聚丙烯的等规度(I.I.)=93.0%,熔融指数(M.I)=5.8g/10min,分子量分布Mw/Mn=7.3,聚合物堆密度为0.40g/ml。
实施例9
1、氯化镁溶液的制备:
在用N2充分置换的350ml带搅拌的玻璃反应器中依次加入200ml乙醇,控制玻璃反应器内温度不急剧上升的情况下,边搅拌边缓慢加入无水氯化镁9.5g,然后缓慢升温,控制反应器内温度在60□左右,搅拌下使无水氯化镁在此溶液中充分溶解。待体系基本溶解后,再维持2.5小时,得到氯化镁溶液。
2、复合载体的制备:
按实施例1的条件进行喷雾干燥,得到平均粒径为18□m左右的球形复合载体。
3、催化剂合成:同实施例5。
4、丙烯聚合:
聚合方法同实施例1。催化剂的活性为43.6Kg聚丙烯/g固体催化剂组分,得到的聚丙烯的等规度(I.I.)=97.0%,熔融指数(M.I)=5.6g/10min,分子量分布Mw/Mn=7.1,聚合物堆密度为0.42g/ml。
对比实施例1
催化剂的制备:(不采用本发明的复合载体)
在经过高纯氮气充分置换的反应器中,依次加入无水Mgcl2 0.05mol,甲苯95ml,环氧氯丙煽(ECP)0.05mol和磷酸三丁酯(TBP)0.046mol,搅拌下升温至50℃,并维持2.5小时,固体完全溶解,然后加入邻苯二甲酸酐0.0095mol,再维持1小时,将溶液冷却至-25℃,在一小时内滴加Ticl4 56ml,缓慢升温至80℃,在升温过程中,逐步析出固体物。加入9,9-双(甲氧基甲基)芴2g,在80℃下维持1小时。过滤后用甲苯100ml洗两次,得到棕黄色固体沉淀物。然后加入甲苯60ml,Ticl4 40ml,在90℃下处理2小时,排去滤液后再重复处理一次。加入甲苯100ml 110℃下洗5分钟三次,己烷100ml洗四次,得到固体催化剂组分。
丙烯聚合:
聚合方法同实施例2,只是聚合反应时间为1小时。催化剂的活性为53.6Kg聚丙烯/g固体催化剂组分,得到的聚丙烯的等规度(I.I.)=98.8%,熔融指数(M.I)=4.5g/10min,分子量分布Mw/Mn=3.6,聚合物堆密度为0.44g/ml。
从以上的实施例可以看出,采用本发明所述的复合载体、1,3二醚化合物和钛化合物作为必要组分制备的催化剂,在用于丙烯聚合时不仅聚合活性高,堆密度较高,同时保持了1,3二醚化合物作为内给电子体时催化剂组分氢调敏感性较好、无须使用外给电子体的特点,而且所得聚合物的分子量分布较宽,其Mw/Mn均大于7。如果仅采用1,3二醚化合物作为内给电子体来制备催化剂,则所得聚合物的分子量分布较窄,这一点从对比例中可以很清楚地看到。
Claims (10)
1、一种用于烯烃聚合的催化剂组分,其含有以下组分的反应产物:
(1)一种复合载体,其是将卤化镁与一种或多种给电子体化合物接触形成溶液,该溶液与平均粒径小于30μm的硅胶载体混合,经喷雾干燥制得球状颗粒;
(2)至少一种选自通式(I)的1,3-二醚类化合物;
其中RI、RII、RIII、RIV、RV和RVI相同或不相同,选自氢、卤原子、直链或支链的C1-C20烷基、C3-C20环烷基、C6-C20芳基、C7-C20烷芳基、C7-C20芳烷基中的-种,而RVII和RVIII可以相同或互不相同,选自直链或支链的C1-C20烷基、C3-C20环烷基、C6-C20芳基、C7-C20烷芳基、C7-C20芳烷基中的一种;RI-RVI的基团间可键接成环;
(3)通式Ti(OR)4-mXm所示的钛化合物,式中R是C1~C14的脂肪烃基,X从F、Cl、Br或其混合物中选取,m为1~4的整数。
2、根据权利要求1所述的用于烯烃聚合的催化剂组分,其特征在于,制备复合载体时所用的给电子体化合物选自脂肪或芳香醇、脂肪醚、环醚、脂肪族烯烃或卤代脂肪族烯烃的氧化物、脂肪酮、脂肪或芳香羧酸的烷基酯、磷酸或亚磷酸的烃基酯或卤代烃基酯。
3、根据权利要求1所述的用于烯烃聚合的催化剂组分,其特征在于,制备复合载体时所用硅胶的平均粒子直径小于1μm。
4、根据权利要求1所述的用于烯烃聚合的催化剂组分,其特征在于,制备复合载体时所述的给电子体化合物与卤化镁的摩尔比为3~50∶1。
5、根据权利要求1所述的用于烯烃聚合的催化剂组分,其特征在于,所述的通式(I)1,3-二醚类化合物中,RIII和RIV互相键连形成不饱和的稠环结构,并且该稠环结构上的氢原子任选地被卤原子、直链或支链的C1-C20烷基、C3-C20环烷基、C6-C20芳基、C7-C20烷芳基、C7-C20芳烷基中的一种或多种所取代。
7、一种用于CH2=CHR烯烃聚合反应的催化剂,其中R为氢或C1-C6的烷基或芳基,包含下述组分的反应产物:
(1)权利要求1-6之一所述的催化剂组分;
(2)烷基铝化合物,
(3)任选地,外给电子体组分。
8、根据权利要求7所述的催化剂,其中烷基铝化合物如AlR1 nX3-n所示,式中R1是C1~C20烷基,可以是直链,支链或环状烷基,X为卤素,n=1、2或3。
9、根据权利要求7所述的催化剂,其中外给电子体组分为通式RnSi(OR’)4-n的有机硅化合物,式中0≤n≤3,R’为烷基、环烷基、芳基、卤代烷基,R为烷基、环烷基、芳基、卤代烷基、或为卤素或氢原子。
10、根据权利要求7所述的催化剂,其中催化剂组分(1)、烷基铝化合物组分(2)和外给电子体组分(3)之间的比例,以钛∶铝∶硅之间的摩尔比计为1∶5~1000∶0~500。
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| CNB03153662XA CN1297574C (zh) | 2003-08-20 | 2003-08-20 | 用于烯烃聚合的催化剂组分及其催化剂 |
| RU2005128272/04A RU2005128272A (ru) | 2003-02-24 | 2004-02-17 | Комплексный носитель катализаторов полимеризации пропилена, каталитический компонент и катализатор, включающий указанный компонент |
| KR1020057015694A KR20060013486A (ko) | 2003-02-24 | 2004-02-17 | 프로필렌 중합용 촉매의 복합 담체, 촉매 성분 및 이를포함하는 촉매 |
| CA002516693A CA2516693A1 (en) | 2003-02-24 | 2004-02-17 | Complex support suitable for propylene polymerization catalyst, a catalyst component and catalyst containing the same |
| JP2006501450A JP2006523730A (ja) | 2003-02-24 | 2004-02-17 | プロピレン重合用触媒の複合担体、これを含む触媒成分及び触媒 |
| EP04711555A EP1609805B1 (en) | 2003-02-24 | 2004-02-17 | Complex support suitable for propylene polymerization catalyst, a catalyst component and catalyst containing the same |
| PCT/CN2004/000126 WO2004074329A1 (en) | 2003-02-24 | 2004-02-17 | Complex support suitable for propylene polymerization catalyst, a catalyst component and catalyst containing the same |
| US10/783,096 US20040229748A1 (en) | 2003-02-24 | 2004-02-19 | Composite carrier of catalysts for propylene polymerization, a catalyst component and a catalyst comprising the same |
| US11/369,793 US20060154806A1 (en) | 2003-02-24 | 2006-03-07 | Composite carrier of catalysts for propylene polymerization, a catalyst component and a catalyst comprising the same |
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| CN1670043A (zh) * | 2005-03-07 | 2005-09-21 | 营口市向阳催化剂有限责任公司 | 烯烃聚合用催化剂及其制备和聚合方法 |
| CN100429243C (zh) * | 2005-07-07 | 2008-10-29 | 中国石油化工股份有限公司 | 一种烯烃聚合反应催化剂组分的制备方法 |
| CN1958621B (zh) * | 2005-10-31 | 2010-12-22 | 中国石油化工股份有限公司 | 用于烯烃聚合的固体催化剂组分及其催化剂和催化剂应用 |
| US9593184B2 (en) * | 2014-10-28 | 2017-03-14 | Formosa Plastics Corporation, Usa | Oxalic acid diamides as modifiers for polyolefin catalysts |
| KR102487347B1 (ko) * | 2020-12-04 | 2023-01-11 | 한화토탈에너지스 주식회사 | 초고분자량 폴리에틸렌의 분자량분포 조절을 위한 지글러-나타 촉매의 제조방법 |
| CN115975076B (zh) * | 2021-10-15 | 2024-08-06 | 中国石油化工股份有限公司 | 一种用于烯烃聚合的催化剂组分及催化剂和应用 |
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| US4522930A (en) * | 1982-02-12 | 1985-06-11 | Montedison S.P.A. | Components and catalysts for the polymerization of olefins |
| EP0297076A2 (en) * | 1987-06-25 | 1988-12-28 | Lithium Corporation Of America | Hydrocarbon soluble and insoluble organo magnesium chloride complexes, processes and uses |
| US4960593A (en) * | 1985-01-30 | 1990-10-02 | Hilmont Incorporated | Process for preparing thermally stable olefinic polymers |
| CN1315459A (zh) * | 2000-03-24 | 2001-10-03 | 中国科学院化学研究所 | 一种醚类烯烃聚合催化体系及制备方法 |
| CN1345886A (zh) * | 2000-09-29 | 2002-04-24 | 程正伦 | 烯烃聚合用高效载体催化剂 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522930A (en) * | 1982-02-12 | 1985-06-11 | Montedison S.P.A. | Components and catalysts for the polymerization of olefins |
| US4960593A (en) * | 1985-01-30 | 1990-10-02 | Hilmont Incorporated | Process for preparing thermally stable olefinic polymers |
| EP0297076A2 (en) * | 1987-06-25 | 1988-12-28 | Lithium Corporation Of America | Hydrocarbon soluble and insoluble organo magnesium chloride complexes, processes and uses |
| CN1315459A (zh) * | 2000-03-24 | 2001-10-03 | 中国科学院化学研究所 | 一种醚类烯烃聚合催化体系及制备方法 |
| CN1345886A (zh) * | 2000-09-29 | 2002-04-24 | 程正伦 | 烯烃聚合用高效载体催化剂 |
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