CN105722870B - 用于制备高分子量聚烯烃的茂金属催化剂及其制备方法 - Google Patents
用于制备高分子量聚烯烃的茂金属催化剂及其制备方法 Download PDFInfo
- Publication number
- CN105722870B CN105722870B CN201580001804.6A CN201580001804A CN105722870B CN 105722870 B CN105722870 B CN 105722870B CN 201580001804 A CN201580001804 A CN 201580001804A CN 105722870 B CN105722870 B CN 105722870B
- Authority
- CN
- China
- Prior art keywords
- catalyst
- polymer
- compound
- metallocene
- methyl
- 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.)
- Active
Links
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title abstract description 16
- 239000012968 metallocene catalyst Substances 0.000 title description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims description 40
- -1 ethylene, Propylene Chemical group 0.000 claims description 23
- 238000006116 polymerization reaction Methods 0.000 claims description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 21
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 claims description 4
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims description 4
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 4
- HFDVRLIODXPAHB-UHFFFAOYSA-N 1-tetradecene Chemical compound CCCCCCCCCCCCC=C HFDVRLIODXPAHB-UHFFFAOYSA-N 0.000 claims description 4
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 claims description 4
- 150000001336 alkenes Chemical class 0.000 claims description 4
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadec-1-ene Chemical compound CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 claims description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 3
- 230000000379 polymerizing effect Effects 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical group CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 claims description 2
- 229940095068 tetradecene Drugs 0.000 claims description 2
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 2
- GQEZCXVZFLOKMC-UHFFFAOYSA-N 1-hexadecene Chemical compound CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 36
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 30
- 229920000642 polymer Polymers 0.000 description 29
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 24
- 239000000126 substance Substances 0.000 description 20
- 229910052782 aluminium Inorganic materials 0.000 description 13
- 239000001257 hydrogen Substances 0.000 description 13
- 229910052739 hydrogen Inorganic materials 0.000 description 13
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
- 239000004411 aluminium Substances 0.000 description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 12
- 238000003756 stirring Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- MZRVEZGGRBJDDB-UHFFFAOYSA-N n-Butyllithium Substances [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 9
- 239000003446 ligand Substances 0.000 description 9
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 9
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Natural products C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 7
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000012044 organic layer Substances 0.000 description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 5
- 239000003426 co-catalyst Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- VPGLGRNSAYHXPY-UHFFFAOYSA-L zirconium(2+);dichloride Chemical compound Cl[Zr]Cl VPGLGRNSAYHXPY-UHFFFAOYSA-L 0.000 description 5
- 238000005160 1H NMR spectroscopy Methods 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 150000002431 hydrogen Chemical group 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910000077 silane Inorganic materials 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000113 differential scanning calorimetry Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 125000003358 C2-C20 alkenyl group Chemical group 0.000 description 2
- MBZUYJPMURQFAB-UHFFFAOYSA-N CC1=C(C=CC(=C1)C(C)(C)C)C1C=CC2=CC=CC=C12 Chemical class CC1=C(C=CC(=C1)C(C)(C)C)C1C=CC2=CC=CC=C12 MBZUYJPMURQFAB-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- UHOVQNZJYSORNB-MZWXYZOWSA-N benzene-d6 Chemical compound [2H]C1=C([2H])C([2H])=C([2H])C([2H])=C1[2H] UHOVQNZJYSORNB-MZWXYZOWSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 125000003963 dichloro group Chemical group Cl* 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000012685 gas phase polymerization Methods 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- CPOFMOWDMVWCLF-UHFFFAOYSA-N methyl(oxo)alumane Chemical compound C[Al]=O CPOFMOWDMVWCLF-UHFFFAOYSA-N 0.000 description 2
- 150000002902 organometallic compounds Chemical class 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- RELMFMZEBKVZJC-UHFFFAOYSA-N 1,2,3-trichlorobenzene Chemical group ClC1=CC=CC(Cl)=C1Cl RELMFMZEBKVZJC-UHFFFAOYSA-N 0.000 description 1
- ASGNRCDZSRNHOP-UHFFFAOYSA-N 2-methyl-4-phenyl-1h-indene Chemical class C1C(C)=CC2=C1C=CC=C2C1=CC=CC=C1 ASGNRCDZSRNHOP-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- FORYVWRSXPJBBE-UHFFFAOYSA-N CC(C)([O-])C.C(CCCCC)[Mg+] Chemical compound CC(C)([O-])C.C(CCCCC)[Mg+] FORYVWRSXPJBBE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 1
- 239000002879 Lewis base Substances 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229920001585 atactic polymer Polymers 0.000 description 1
- 239000012298 atmosphere Substances 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
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- WFZSIVNWLIYDJZ-UHFFFAOYSA-N dichloro-methyl-[6-[(2-methylpropan-2-yl)oxy]hexyl]silane Chemical compound CC(C)(C)OCCCCCC[Si](C)(Cl)Cl WFZSIVNWLIYDJZ-UHFFFAOYSA-N 0.000 description 1
- UWGIJJRGSGDBFJ-UHFFFAOYSA-N dichloromethylsilane Chemical compound [SiH3]C(Cl)Cl UWGIJJRGSGDBFJ-UHFFFAOYSA-N 0.000 description 1
- 238000001938 differential scanning calorimetry curve Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical compound [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 150000007527 lewis bases Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L magnesium chloride Substances [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Inorganic materials [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- DLXSQSBZESCFLB-UHFFFAOYSA-N methyl-bis(2-methyl-4-phenyl-1H-inden-1-yl)-[6-[(2-methylpropan-2-yl)oxy]hexyl]silane Chemical compound C(C)(C)(C)OCCCCCC[Si](C1C(=CC2=C(C=CC=C12)C1=CC=CC=C1)C)(C1C(=CC2=C(C=CC=C12)C1=CC=CC=C1)C)C DLXSQSBZESCFLB-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000012985 polymerization agent Substances 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- XOJVVFBFDXDTEG-UHFFFAOYSA-N pristane Chemical compound CC(C)CCCC(C)CCCC(C)CCCC(C)C XOJVVFBFDXDTEG-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- DWAWYEUJUWLESO-UHFFFAOYSA-N trichloromethylsilane Chemical compound [SiH3]C(Cl)(Cl)Cl DWAWYEUJUWLESO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- 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
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/081—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
-
- 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
-
- 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
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/06—Propene
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/06—Propene
-
- 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
- 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
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65916—Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
-
- 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
- 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
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
- C08F4/65927—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged
-
- 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
- C08F2420/00—Metallocene catalysts
- C08F2420/10—Heteroatom-substituted bridge, i.e. Cp or analog where the bridge linking the two Cps or analogs is substituted by at least one group that contains a heteroatom
-
- 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
- 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
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
本发明涉及具有新结构的茂金属化合物、其制备方法以及使用所述茂金属化合物制备聚烯烃的方法,所述茂金属化合物可以为聚烯烃共聚物提供多种选择性和活性。
Description
相关申请的交叉引用
本申请要求于2014年10月17日向韩国知识产权局提交的韩国专利申请第10-2014-0140956号的权益,其全部内容通过引用并入本文。
技术领域
本发明涉及用于制备高分子量聚烯烃的具有新结构的茂金属催化剂。
背景技术
用于烯烃聚合的催化剂可分为齐格勒-纳塔催化剂体系和茂金属催化剂体系,并且已分别根据其特性开发了这两种高活性催化剂体系。自从在20世纪50年代发明出来之后,齐格勒-纳塔催化剂已被广泛用于现有商业过程,但是其特征在于通过使用其获得的聚合物的分子量分布很宽,原因是,其为具有多个活性位点的多位点催化剂,因此存在聚合物中共聚单体的组成分布不均匀的问题,并且在保证所需特性方面存在限制。
茂金属催化剂由主催化剂(其中过渡金属化合物为主要组分)和有机金属化合物(助催化剂,其中铝为主要组分)的组合组成。这种催化剂为均相络合物催化剂和单位点催化剂。由于其单位点特性通过使用所述茂金属催化剂可以获得分子量分布较窄且共聚单体的组成分布均匀的聚合物,并且通过改变催化剂的配体结构以及聚合条件可以改变聚合物的立构规整度、共聚特性、分子量、结晶度等。
同时,柄型茂金属(ansa-metallocene)化合物为具有通过桥连基团连接的两个配体的有机金属化合物,其中配体的旋转受阻并且金属中心的活性和结构由桥连基团决定。
这种柄型茂金属化合物被用作制备烯烃均聚物或共聚物的催化剂。特别地,已知使用包含环戊二烯基-芴基配体的柄型茂金属化合物可以制备高分子量聚乙烯并且可以控制聚丙烯的显微结构。另外,已知具有茚基配体的柄型茂金属化合物具有优异的活性并且可以用于制备具有增强立构规整度的聚烯烃。
本发明人在韩国专利公开第10-2013-0125311号中公开了新结构的柄型茂金属化合物,其可以为聚烯烃共聚物提供多种选择性和活性。
另外,当柄型茂金属催化剂具有双茚基配体时,根据两种配体的空间排列可形成两种类型的异构体,即,外消旋体和镜像对称的内消旋非对映体。外消旋体为优选的,原因是其用于制备具有高结晶度和熔点以及大比重和机械强度的全同立构聚合物,而应避免镜像对称的内消旋非对映体,原因是其制备无规立构聚合物。但是,在柄型茂金属催化剂的制备过程中同时制备了外消旋体和镜像对称的内消旋非对映体,因此必须着重考虑在其中可以形成过量外消旋体的柄型茂金属催化剂的结构。
因此,本发明人已进行了多个关于柄型茂金属催化剂的研究,所述柄型茂金属催化剂具有比现有已知催化剂更高的活性并且可以控制烯烃聚合物的显微结构,而且通过确认本说明书所公开的具有本发明结构的茂金属催化剂满足上述特性实现了本发明。
发明内容
发明目的
本发明的一个目的是提供具有新结构的茂金属化合物,所述化合物具有高活性并且可以控制烯烃聚合物的显微结构。
本发明的另一个目的是提供具有新结构的茂金属化合物的制备方法。
本发明的另一个目的是提供用于烯烃聚合的催化剂,其包含具有新结构的茂金属化合物。
本发明的另一个目的是提供使用具有新结构的茂金属化合物制备聚烯烃的方法
实现所述目的的方法
为了解决以上公开的问题,本发明提供了由以下化学式1表示的化合物:
[化学式1]
在上述化学式1中,
X为彼此相同或不同的卤素,
R1为被C1-20烷基取代的C6-20芳基,
R2、R3和R4独立地为氢、卤素、C1-20烷基、C2-20烯基、C1-20烷基甲硅烷基、C1-20甲硅烷基烷基、C1-20烷氧基甲硅烷基、C1-20醚、C1-20甲硅烷基醚、C1-20烷氧基、C6-20芳基、C7-20烷基芳基或C7-20芳基烷基,
A为碳、硅或锗,
R5为被C1-20烷氧基取代的C1-20烷基,以及
R6为氢、C1-20烷基或C2-20烯基。
由化学式1表示的化合物具有柄型茂金属结构,并且包含两个茚基作为配体。具体地,其优点在于催化剂的活性可以最大化,原因是与配体连接的桥连基团被可以起到作为氧供体的路易斯碱作用的官能团取代。另外,由于茚基被庞大基团(例如被C1-20烷基取代的C6-20芳基(R1))取代,所以发生空间位阻并且阻止了内消旋形式形成。因此,当由化学式1表示的化合物单独用作或以负载形式用作制备聚烯烃的催化剂时,由化学式1表示的化合物可以用于更加容易地制备具有所需特性的聚烯烃。
优选地,X为氯。
优选地,R1为被叔丁基取代的苯基。更优选地,R1为4-叔丁基-苯基。
优选地,R2、R3和R4为氢。
优选地,A为硅。
优选地,R5为6-叔丁氧基-己基,并且R6为甲基。
化学式1的化合物的代表性实例如下:
本发明还提供了根据以下反应式制备由化学式1表示的化合物的方法:
[反应式1]
步骤1是通过使由化学式2表示的化合物与由化学式3表示的化合物反应来制备由化学式4表示的化合物的步骤。在反应中优选地使用烷基锂(例如,正丁基锂),并且反应温度为-200℃至0℃或优选-150℃至0℃。甲苯、THF等可用作溶剂。此时,可进一步进行从产物中分离有机层、真空干燥经分离的有机层以及从中消除过量反应物的步骤。
步骤2是通过使由化学式4表示的化合物与由化学式5表示的化合物反应来制备由化学式1表示的化合物的步骤。在反应中优选地使用烷基锂(例如,正丁基锂),并且反应温度为-200℃至0℃或优选-150℃至0℃。醚、己烷等可用作溶剂。
本发明还提供了用于烯烃聚合的催化剂,其包含由化学式1表示的化合物。由化学式1表示的化合物可以单独用作或作为催化剂前体与助催化剂组合用作用于烯烃聚合的催化剂。
用于烯烃聚合的催化剂可为负载于载体上的催化剂。如果载体是相关技术中常见的,则在本发明中载体没有特别限制,但是可优选地使用选自二氧化硅、二氧化硅-氧化铝和二氧化硅-氧化镁中的一种或更多种载体。同时,当催化剂负载于载体如二氧化硅上时,二氧化硅载体与由化学式1表示的化合物的官能团化学键合。因此,在烯烃聚合期间催化剂几乎不从表面释放,并且在通过淤浆或气相聚合制备聚烯烃时没有结垢(即,聚合物粘附到反应器壁上或聚合物颗粒之间的粘附)。
另外,在包含这种二氧化硅载体的催化剂存在下制备的聚烯烃在聚合物颗粒形状和表观密度方面优良,并且可以适当地用于常规淤浆或气相聚合。因此,可使用在高温下干燥过并且包含具有高反应性的硅氧烷基的载体。
特别地,可使用在高温下干燥的二氧化硅、二氧化硅-氧化铝等,并且其可包括氧化物、碳酸盐、硫酸盐或硝酸盐组分,例如Na2O、K2CO3、BaSO4、Mg(NO3)2等。
另外,用于烯烃聚合的催化剂还可包含由烷基铝氧烷组成的助催化剂。当使用助催化剂时,催化剂可以以这样的形式使用:与由化学式l表示的化合物的金属元素键合的X基团被烷基(例如,C1-20烷基)取代。
在本发明中助催化剂也没有特别限制,因为其在相关技术中是常见的,但是为选自二氧化硅、二氧化硅-氧化铝和有机铝化合物中的一种或更多种助催化剂。
本发明还提供了聚烯烃的制备方法,其包括在用于烯烃聚合的催化剂存在下使至少一种烯烃单体聚合的步骤。烯烃单体可为选自以下的一种或更多种单体:乙烯、丙烯、1-丁烯、1-戊烯、1-己烯、4-甲基-1-戊烯、1-辛烯、1-癸烯、1-十二碳烯、1-十四碳烯、1-十六碳烯、1-十八碳烯、1-二十碳烯及其混合物。
本文中,聚烯烃的聚合反应可在25℃至500℃的温度和1kgf/cm2至100kgf/cm2的压力下进行1小时至24小时。此时,聚合反应温度优选为25℃至200℃,并且更优选50℃至100℃。另外,聚合反应压力优选为1kgf/cm2至70kgf/cm2,更优选5kgf/cm2至40kgf/cm2。聚合反应时间优选为1小时至5小时。
聚合过程可以根据是否向其中添加氢气来控制最终聚合物产物的分子量范围。特别地,当不向其中添加氢气时,可以制备高分子量的聚烯烃,而当向其中添加氢气时,即使通过添加少量的氢气,也可以制备低分子量的聚烯烃。此时,在1atm的反应器条件下添加至聚合过程中的氢气的量可以为0.07升至4升,或者可以以1巴至40巴的压力向反应器提供氢气,或者氢气与烯烃单体的摩尔比可为168ppm至8,000ppm。
通过使用根据本发明的由化学式1表示的化合物作为催化剂而制备的聚烯烃可以具有比使用常规茂金属催化剂时更高的分子量。
发明效果
根据本发明的具有新结构的茂金属化合物在催化活性方面优于常规茂金属化合物,并且当将其用作制备聚烯烃的催化剂本身或催化剂前体时,可以容易地控制聚合物的显微结构,并且特别地,可以容易地制备具有低MI的高分子量性质的聚烯烃。
发明详述
下文中,本发明提供了用于说明本发明的优选实施例。但是,下述实施例仅用于理解本发明,本发明的范围并不限于此或受此限制。
实施例
步骤1):制备(6-叔丁氧基己基)(甲基)-双(2-甲基-4-叔丁基-苯基茚基)硅烷
在将2-甲基-4-叔丁基苯基茚(20.0g,76mmol)溶解于甲苯/THF=10/1溶液(230mL)中后,在0℃下向其中缓慢滴加正丁基锂溶液(2.5M,己烷溶剂,22g)并在室温下将混合物搅拌一天。然后,在-78℃下向混合物溶液中缓慢滴加(6-叔丁氧基己基)二氯甲基硅烷(1.27g),将混合物搅拌10分钟并在室温下进一步搅拌一天。通过向其中添加水从中分离出有机层后,通过在减压下蒸馏溶剂获得(6-叔丁氧基己基)(甲基)-双(2-甲基-4-叔丁基-苯基茚基)硅烷。
1H NMR(500MHz,CDCl3,7.26ppm):-0.20-0.03(3H,m),1.26(9H,s),0.50-1.20(4H,m),1.20-1.31(11H,m),1.40-1.62(20H,m),2.19-2.23(6H,m),3.30-3.34(2H,m),3.73-3.83(2H,m),6.89-6.91(2H,m),7.19-7.61(14H,m)
步骤2):制备[(6-叔丁氧基己基甲基硅烷-二基)-双(2-甲基-4-叔丁基苯基茚基)]二氯化锆
在将步骤1中制备的(6-叔丁氧基己基)(甲基)-双(2-甲基-4-叔丁基-苯基茚基)硅烷溶解于甲苯/THF=5/1溶液(95mL)中后,在-78℃下向其中缓慢滴加正丁基锂溶液(2.5M,己烷溶剂,22g),并在室温下将混合物搅拌一天。将双(N,N′-二苯基-1,3-丙二酰胺)二氯锆双(四氢呋喃)[Zr(C5H6NCH2CH2NC5H6)Cl2(C4H8O)2]溶解于甲苯(229mL)中后,在-78℃下将其缓慢滴加到上述反应溶液中并在室温下将混合物搅拌一天。将反应溶液冷却至-78℃后,向其中缓慢滴加盐酸醚溶液(1M,183mL),并在-0℃下将混合物搅拌1小时。过滤溶液并真空干燥,然后通过向其中添加己烷并搅拌溶液来沉淀出晶体。通过过滤沉淀出的晶体并在减压下对其进行干燥而获得[(6-叔丁氧基己基甲基硅烷-二基)-双(2-甲基-4-叔丁基苯基茚基)]二氯化锆(20.5g,总计61%)。
1H NMR(500MHz,CDCl3,7.26ppm):1.20(9H,s),1.27(3H,s),1.34(18H,s),1.20-1.90(10H,m),2.25(3H,s),2.26(3H,s),3.38(2H,t),7.00(2H,s),7.09-7.13(2H,m),7.38(2H,d),7.45(4H,d),7.58(4H,d),7.59(2H,d),7.65(2H,d)
步骤3):制备负载型催化剂
称量3g二氧化硅于schlenk烧瓶中后,向其中添加52mmol甲基铝氧烷(MAO)并在90℃下使混合物反应24小时。沉淀后,去除上部分并用甲苯洗涤剩余部分两次。将180μmol的[(6-叔丁氧基己基甲基硅烷-二基)-双(2-甲基-4-叔丁基苯基茚基)]二氯化锆(上述步骤中合成的柄型茂金属化合物)溶解于甲苯中后,使混合物在70℃下反应5小时。反应后在沉淀结束时,去除上部分的溶液,用甲苯洗涤剩余反应产物并用己烷再次洗涤。真空干燥经洗涤的产物后,获得了5g负载于二氧化硅上的固态型茂金属催化剂。
对比例
步骤1):制备(6-叔丁氧基己基)(甲基)-双(2-甲基-4-苯基茚基)硅烷
在-100℃下于3小时内向100mL三氯甲基硅烷溶液(约0.21mol,己烷)中缓慢滴加100mL叔丁氧基己基氯化镁溶液(约0.14mol,醚)后,在室温下将混合物搅拌3小时。从混合物溶液中分离透明有机层后,通过真空干燥经分离的透明有机层以去除过量的三氯甲基硅烷,获得透明液相的(6-叔丁氧基己基)二氯甲基硅烷。
在0℃下向77mL 2-甲基-4-苯基茚的甲苯/THF=10/1溶液(34.9mmol)中缓慢滴加15.4mL正丁基锂溶液(2.5M,己烷溶剂),在80℃下将混合物溶液搅拌1小时并且在室温下进一步搅拌一天。随后,在-78℃下向混合物溶液中缓慢滴加5g上述制备的(6-叔丁氧基己基)二氯甲基硅烷,然后将混合物搅拌约10分钟并且在80℃下进一步搅拌1小时。通过向其添加水从其中分离有机层后,通过用硅胶柱对产物进行精制并对其进行真空干燥而获得粘性黄色油状物(外消旋∶内消旋=1∶1),产率为78%。
1H NMR(500MHz,CDCl3,7.24ppm):0.10(3H,s),0.98(2H,t),1.25(9H,s),1.36~1.50(8H,m),1.62(8H,m),2.26(6H,s),3.34(2H,t),3.81(2H,s),6.87(2H,s),7.25(2H,t),7.35(2H,t),7.45(4H,d),7.53(4H,t),7.61(4H,d)
步骤2):制备[(6-叔丁氧基己基甲基硅烷-二基)-双(2-甲基-4-苯基茚基)]二氯化锆
在-78℃下向50mL上述制备的(6-叔丁氧基己基)(甲基)-双(2-甲基-4-苯基)茚基硅烷的醚/己烷=1/1溶液(3.37mmol)中缓慢滴加3.0mL正丁基锂溶液(己烷中为2.5M),在室温下将混合物搅拌约2小时并真空干燥。通过用己烷洗涤盐,过滤并真空干燥该盐,获得黄色固体。称量所合成的配体盐和双(N,N’-二苯基-1,3-丙二酰胺)二氯锆双(四氢呋喃)[Zr(C5H6NCH2CH2NC5H6)Cl2(C4H8O)2]放入手套箱后,在-78℃下向其中缓慢滴加醚,并且在室温下将混合物搅拌一天。随后,红色反应溶液经过滤并从其中分离出,然后在-78℃下向其中缓慢滴加4当量的盐酸醚溶液(1M),并将混合物搅拌3小时。然后,通过过滤并真空干燥混合物,获得橙色固体形式的柄型茂金属化合物(外消旋∶内消旋=10∶1),产率为85%。
1H NMR(500MHz,C6D6,7.24ppm):1.19(9H,s),1.32(3H,s),1,48-1.86(10H,m),2.25(6H,s),3.37(2H,t),6.95(2H,s),7.13(2H,t),7.36(2H,d),7.43(6H,t),7.62(4H,d),7.67(2H,d)
步骤3):制备负载型催化剂
根据与实施例的步骤3中相同的方法制备负载于二氧化硅上的茂金属催化剂,不同之处在于使用上述合成的茂金属化合物[(6-叔丁氧基己基甲基硅烷-二基)-双(2-甲基-4-苯基茚基)]二氯化锆。
实验实施例
1)丙烯的均聚
在65℃下使2L不锈钢反应器真空干燥并将其冷却后,在室温下向其中顺序添加1.5mmol的三乙基铝、2巴的氢气和770g的丙烯。搅拌混合物10分钟后,将0.048g实施例和对比例中各自制备的茂金属催化剂溶解于20mL具有规定的TMA的己烷中,并通过氮气压力将溶液添加到反应器中。然后,缓慢地升高反应器的温度至70℃后,进行聚合1小时。反应结束后,排出未反应的丙烯。
2)丙烯的无规聚合
在65℃下使2L不锈钢反应器真空干燥并将其冷却后,在室温下向其中顺序添加1.5mmol的三乙基铝和770g的丙烯。搅拌混合物10分钟后,将0.048g实施例和对比例中各自制备的茂金属催化剂溶解于20mL具有规定的TMA的己烷中,并通过氮气压力将溶液添加到反应器中。然后,缓慢地升高反应器的温度至70℃,向其中添加15g乙烯后,进行聚合1小时。反应结束后,排出未反应的丙烯和乙烯。
3)聚合物特性的测量方法
(1)催化活性:基于单位时间(小时)计算所产生的聚合物重量(kg PP)与所使用的催化剂量(催化剂的mmol和g数)的比例。
(2)聚合物的熔点(Tm):通过使用差示扫描量热计(DSC,装置名称:DSC 2920,制造商:TA instrument)来测量聚合物的熔点。具体地,将聚合物加热至220℃并保持此温度5分钟后,再将温度降低至20℃。然后,再次将温度升高。此时,加热和冷却过程的扫描速度分别为10℃/分钟。
(3)聚合物的结晶温度(Tc):由在与使用DSC测量熔点相同的条件下降低温度时所获得的DSC曲线确定结晶温度。
(4)聚合物的立构规整度(XS):将聚合物添加到沸腾的邻二甲苯中并且将1小时后未萃取的聚合物的量转换为重量比(%)。
具体地,在烧瓶中制备200mL邻二甲苯后,用200mm的4号滤纸对其进行过滤。在150℃的烘箱内将铝盘干燥30分钟后,在干燥器中将其冷却并进行称重。接着,收集100mL经过滤的邻二甲苯并使用移液管将其转移至铝盘,然后通过将盘加热至145℃至150℃使全部的邻二甲苯蒸发。随后,在100±5℃的温度和13.3kPa的压力下将铝盘真空干燥1小时。在干燥器中将铝盘冷却后,重复上述过程两次。在0.0002g的重量误差内完成邻二甲苯自身的空白测试。然后,在干燥通过丙烯的聚合过程获得的聚合物(70℃,13.3kPa,60分钟,真空干燥)之后,将在干燥器内冷却的聚合物样品(2g±0.0001g)添加到500mL烧瓶中并向其中添加200mL邻二甲苯。将烧瓶与氮气和冷却水连接,并通过加热烧瓶使邻二甲苯连续回流1小时。通过将烧瓶置于大气中将其冷却至低于100℃后,通过振荡烧瓶并将烧瓶放置到恒温浴(25±0.5℃)中保持30分钟使不溶性物质沉淀出来。用200mm的4号滤纸重复过滤形成有沉淀物的所得液体直至其变得纯净。将100mL过滤纯净的所得液体添加到已在150℃下干燥30分钟并在干燥器中冷却后进行称重过的铝盘中,通过加热铝盘至145℃至150℃使邻二甲苯蒸发。在蒸发完成时,在70±5℃的温度和13.3kPa的压力下将铝盘真空干燥1小时,并在干燥器中进行冷却。通过重复上述步骤两次在0.0002g的误差范围内测量盘的重量。
在通过以下计算公式1计算溶解于邻二甲苯中的聚合物的重量%(Xs)后,获得了未溶解于邻二甲苯中的聚合物的重量比(=100-Xs)并将其定义为立构规整度(XI)。
[计算公式1]
立构规整度(XI)=100-Xs
在计算公式1中,变量如下:
Xs=溶解于邻二甲苯中的聚合物部分(重量%)
Vb0=邻二甲苯的初始体积(mL)
Vb1=获得的溶解于邻二甲苯中的聚合物的体积(mL)
Vb2=获得的空白测试中使用的邻二甲苯的体积(mL)
W2=铝盘与邻二甲苯蒸发后铝盘中剩余的聚合物的重量的总和(g)
W1=铝盘的重量(g)
W0=聚合物的初始重量(g)
B=空白测试中铝盘中的残留物的平均值(g)
(5)多分散指数(PDI)和重均分子量(Mw):通过使用凝胶渗透色谱(GPC,由WaterCo.制造)来测量聚合物的重均分子量(Mw)和数均分子量(Mn),并且通过重均分子量除以数均分子量来计算多分散指数(PDI)。此时,分析温度为160℃,溶剂为三氯苯,并且用聚苯乙烯使分子量标准化。
4)所测聚合物性质的结果
均聚和无规聚合的条件以及通过使用实施例和对比例各自的负载型茂金属催化剂制备的聚丙烯的性质列于下表1(均聚)和表2(无规聚合)中。
[表1]
实施例 | 对比例 | |
液态丙烯(g) | 770 | 770 |
负载型催化剂的量(mg) | 45 | 60 |
聚合温度(℃) | 70 | 70 |
氢气(ppm) | 337 | 337 |
活性(kg/g催化剂·小时) | 10.1 | 7.1 |
Tm(℃) | 149.9 | 148.7 |
Tc(℃) | 100.7 | 99.2 |
Xs(%) | 0.70 | 0.75 |
XI(%) | 99.30 | 99.25 |
MFR | 7.0 | 9.8 |
Mw | 289,000 | 262,000 |
MWD | 2.7 | 2.9 |
[表2]
实施例 | 对比例 | |
液态丙烯(g) | 770 | 770 |
负载型催化剂的量(mg) | 45 | 45 |
聚合温度(℃) | 70 | 70 |
乙烯(g) | 15 | 15 |
活性(kg/g催化剂·小时) | 12.6 | 9.6 |
Tm(℃) | 140.1 | 139.9 |
Tc(℃) | 87.3 | 90.3 |
Xs(%) | 0.75 | 0.85 |
XI(%) | 99.25 | 99.15 |
MFR | 11.4 | 19.6 |
Mw | 261,000 | 217,000 |
MWD | 2.6 | 2.7 |
如上表所示,其中使用负载型催化剂形式的根据本发明的具有茚基并且在桥连基团处具有特定取代基之茂金属化合物的实施例在聚丙烯的制备中显示出高活性增强效应。特别地,实施例表现出非常优异的催化活性,在均聚中为10.1kg/g催化剂·小时,在无规聚合中为12.6kg/g催化剂·小时,并且所制备的聚合物的立构规整度(XI)(单位点催化剂的特性)保持在99.25%至99.30%。另外,实施例中制备的聚丙烯聚合物表现出非常优异的特性,例如,分子量分布(MWD:Mw/Mn)为2.7。
另外,当在相同条件下制备均聚丙烯时,可以制备分子量比对比例提高约10%的树脂,并且特别地,当制备无规聚丙烯时,分子量没有明显减小而是保持了高分子量。特别地,可通过增加向其提供的氢气的量来制备较低分子量的聚丙烯树脂,并因此通过本发明可以制备较宽分子量范围的聚丙烯。实施例中制备的茂金属化合物可以用于在相同条件下聚合时制备具有较高分子量的聚丙烯,原因是茂金属化合物的叔丁基充当茚基的电子供体并提高中心金属锆的阳离子特性,并且使活性增加以及反应速度提高。
Claims (5)
1.一种由以下化学式表示的化合物:
2.一种用于烯烃聚合的催化剂,其包含根据权利要求1所述的化合物。
3.根据权利要求2所述的用于烯烃聚合的催化剂,其负载于选自二氧化硅、二氧化硅-氧化铝和二氧化硅-氧化镁中的至少一种载体上。
4.一种用于制备聚烯烃的方法,其包括在根据权利要求2所述的催化剂存在下使至少一种烯烃单体聚合的步骤。
5.根据权利要求4所述的方法,其中所述烯烃单体为选自以下的至少一种单体:乙烯、丙烯、1-丁烯、1-戊烯、1-己烯、4-甲基-1-戊烯、1-辛烯、1-癸烯、1-十二碳烯、1-十四碳烯、1-十六碳烯、1-十八碳烯、1-二十碳烯及其混合物。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2014-0140956 | 2014-10-17 | ||
KR1020140140956A KR101653356B1 (ko) | 2014-10-17 | 2014-10-17 | 고분자량 폴리올레핀 제조용 메탈로센 촉매 및 이의 제조방법 |
PCT/KR2015/010681 WO2016060412A1 (ko) | 2014-10-17 | 2015-10-08 | 고분자량 폴리올레핀 제조용 메탈로센 촉매 및 이의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105722870A CN105722870A (zh) | 2016-06-29 |
CN105722870B true CN105722870B (zh) | 2019-01-11 |
Family
ID=55746902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580001804.6A Active CN105722870B (zh) | 2014-10-17 | 2015-10-08 | 用于制备高分子量聚烯烃的茂金属催化剂及其制备方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9783557B2 (zh) |
EP (1) | EP3034521B1 (zh) |
KR (1) | KR101653356B1 (zh) |
CN (1) | CN105722870B (zh) |
TR (1) | TR201820870T4 (zh) |
WO (1) | WO2016060412A1 (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101653357B1 (ko) * | 2014-11-06 | 2016-09-01 | 주식회사 엘지화학 | 고분자량 폴리올레핀 제조용 메탈로센 촉매 및 이의 제조방법 |
US10214601B2 (en) | 2014-12-04 | 2019-02-26 | Lg Chem, Ltd. | Non-stretched polypropylene-based film |
KR101791231B1 (ko) | 2015-12-23 | 2017-10-27 | 주식회사 엘지화학 | 장섬유 강화용 올레핀 중합체의 제조 방법 및 장섬유 |
KR101969123B1 (ko) | 2016-02-17 | 2019-08-20 | 주식회사 엘지화학 | 고강성 및 에너지 절감 발포용 폴리프로필렌 |
KR102064412B1 (ko) * | 2016-07-07 | 2020-01-09 | 주식회사 엘지화학 | 폴리올레핀 제조용 메탈로센 촉매의 제조방법 |
WO2018009016A2 (ko) * | 2016-07-07 | 2018-01-11 | 주식회사 엘지화학 | 폴리올레핀 제조용 메탈로센 촉매의 제조방법 |
KR102288988B1 (ko) * | 2016-11-08 | 2021-08-10 | 주식회사 엘지화학 | 폴리프로필렌의 제조 방법 |
KR102064411B1 (ko) | 2016-11-22 | 2020-01-09 | 주식회사 엘지화학 | 메탈로센 담지 촉매 및 이를 이용하는 폴리프로필렌의 제조 방법 |
KR102225972B1 (ko) * | 2016-12-06 | 2021-03-09 | 주식회사 엘지화학 | 폴리프로필렌의 제조 방법 |
KR102326791B1 (ko) | 2017-11-27 | 2021-11-16 | 주식회사 엘지화학 | 폴리프로필렌 및 그 제조방법 |
KR102375854B1 (ko) * | 2017-11-28 | 2022-03-17 | 주식회사 엘지화학 | 폴리프로필렌 및 그 제조방법 |
KR102464410B1 (ko) * | 2017-12-14 | 2022-11-04 | 주식회사 엘지화학 | 필라멘트용 폴리프로필렌 및 그 제조방법 |
KR102442033B1 (ko) * | 2017-12-26 | 2022-09-07 | 주식회사 엘지화학 | 폴리프로필렌 수지의 제조 방법 및 부직포 |
CN115991805A (zh) * | 2017-12-26 | 2023-04-21 | Lg化学株式会社 | 均聚丙烯及其制备方法 |
KR102343937B1 (ko) * | 2017-12-26 | 2021-12-27 | 주식회사 엘지화학 | 메탈로센 담지 촉매 및 이를 이용한 폴리프로필렌의 제조 방법 |
KR102388031B1 (ko) | 2018-11-06 | 2022-04-19 | 주식회사 엘지화학 | 펠렛형 폴리프로필렌 수지 및 그 제조방법 |
KR102518938B1 (ko) * | 2018-12-04 | 2023-04-05 | 주식회사 엘지화학 | 메탈로센 담지 촉매 및 이를 이용한 폴리프로필렌의 제조 방법 |
KR102432898B1 (ko) * | 2019-01-17 | 2022-08-17 | 주식회사 엘지화학 | 혼성 담지 메탈로센 촉매 및 이를 이용한 올레핀 중합체의 제조 방법 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101124252A (zh) * | 2004-12-01 | 2008-02-13 | 诺沃连科技控股公司 | 金属茂催化剂、其合成以及在烯烃聚合中的用途 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4644886B2 (ja) | 1998-06-05 | 2011-03-09 | 三菱化学株式会社 | 遷移金属化合物、オレフィン重合用触媒成分およびα−オレフィン重合体の製造方法 |
US6355747B1 (en) | 1999-08-17 | 2002-03-12 | Solvay Polyolefins Europe-Belgium | Asymmetric silicon-bridged metallocenes useful as catalysts in the polymerization of α-olefins, process for their preparation and use of said metallocenes for the polymerization of α-olefins |
EP1397371B1 (en) | 2001-06-22 | 2006-03-22 | Basell Polyolefine GmbH | Metallocenes and their use in catalyst systems for producing olefin polymers |
AU2003286148A1 (en) * | 2002-11-04 | 2004-06-07 | Basell Polyolefine Gmbh | Preparation of catalyst compositions having improved activity |
US7501372B2 (en) | 2003-11-21 | 2009-03-10 | Chevron Phillips Chemical Company Lp | Catalyst compositions for producing polyolefins in the absence of cocatalysts |
US7285608B2 (en) | 2004-04-21 | 2007-10-23 | Novolen Technology Holdings C.V. | Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins |
DE102004022861A1 (de) | 2004-05-06 | 2005-12-01 | Basell Polyolefine Gmbh | Verfahren zur racemo-selectiven Herstellung von ansa-Metallocenen |
CN101080424B (zh) | 2004-11-04 | 2011-11-09 | 切弗朗菲利浦化学公司 | 用于生产双峰树脂的有机铬/茂金属组合催化剂 |
JP5578473B2 (ja) | 2007-10-25 | 2014-08-27 | ルムス・ノボレン・テクノロジー・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | アンサ−メタロセン化合物のラセモ選択的合成、アンサ−メタロセン化合物、それを含む触媒、触媒の使用によってオレフィンポリマーを製造するプロセス、ならびにホモポリマーおよびコポリマー |
US8288487B2 (en) | 2010-07-06 | 2012-10-16 | Chevron Phillips Chemical Company Lp | Catalysts for producing broad molecular weight distribution polyolefins in the absence of added hydrogen |
US9079985B2 (en) | 2010-12-22 | 2015-07-14 | Borealis Ag | Bridged metallocene catalysts |
KR101499819B1 (ko) | 2011-11-03 | 2015-03-10 | 주식회사 엘지화학 | 비담지 비균일계 폴리올레핀 중합용 촉매 조성물 및 그의 제조 방법 |
WO2013066109A1 (ko) * | 2011-11-03 | 2013-05-10 | 주식회사 엘지화학 | 비담지 비균일계 폴리올레핀 중합용 촉매 조성물 및 그의 제조 방법 |
US9284386B2 (en) | 2012-05-08 | 2016-03-15 | Lg Chem, Ltd. | Ansa-metallocene compound and method for preparing supported catalyst using the same |
KR101437509B1 (ko) | 2012-12-03 | 2014-09-03 | 대림산업 주식회사 | 성형성 및 기계적 물성이 우수한 멀티모달 폴리올레핀 수지 제조를 위한 촉매 조성물 및 이를 이용한 중합 방법 |
KR101631702B1 (ko) | 2013-05-10 | 2016-06-17 | 주식회사 엘지화학 | 올레핀 중합용 촉매 및 이를 이용한 폴리올레핀의 제조방법 |
KR101659540B1 (ko) * | 2013-09-30 | 2016-09-23 | 주식회사 엘지화학 | 메탈로센 화합물, 이를 포함하는 촉매 조성물 및 이를 이용한 올레핀 중합체의 제조방법 |
US10214601B2 (en) * | 2014-12-04 | 2019-02-26 | Lg Chem, Ltd. | Non-stretched polypropylene-based film |
-
2014
- 2014-10-17 KR KR1020140140956A patent/KR101653356B1/ko active IP Right Grant
-
2015
- 2015-10-08 TR TR2018/20870T patent/TR201820870T4/tr unknown
- 2015-10-08 EP EP15821011.2A patent/EP3034521B1/en active Active
- 2015-10-08 CN CN201580001804.6A patent/CN105722870B/zh active Active
- 2015-10-08 WO PCT/KR2015/010681 patent/WO2016060412A1/ko active Application Filing
- 2015-10-08 US US14/910,929 patent/US9783557B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101124252A (zh) * | 2004-12-01 | 2008-02-13 | 诺沃连科技控股公司 | 金属茂催化剂、其合成以及在烯烃聚合中的用途 |
Also Published As
Publication number | Publication date |
---|---|
TR201820870T4 (tr) | 2019-01-21 |
KR101653356B1 (ko) | 2016-09-01 |
EP3034521B1 (en) | 2018-12-12 |
US9783557B2 (en) | 2017-10-10 |
WO2016060412A1 (ko) | 2016-04-21 |
CN105722870A (zh) | 2016-06-29 |
KR20160045433A (ko) | 2016-04-27 |
EP3034521A1 (en) | 2016-06-22 |
EP3034521A4 (en) | 2017-04-26 |
US20160257703A1 (en) | 2016-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105722870B (zh) | 用于制备高分子量聚烯烃的茂金属催化剂及其制备方法 | |
US9284386B2 (en) | Ansa-metallocene compound and method for preparing supported catalyst using the same | |
JP5956595B2 (ja) | 非担持不均一系ポリオレフィン重合用触媒組成物およびその製造方法 | |
CN109071699B (zh) | 茂金属负载型催化剂和使用其制备聚丙烯的方法 | |
CN103443139A (zh) | 乙烯基封端的高级烯烃聚合物及其生产方法 | |
JP3779759B2 (ja) | メタロセン化合物及び触媒成分としてのその使用 | |
KR101665076B1 (ko) | 안사-메탈로센 화합물 및 이를 이용한 담지 촉매의 제조방법 | |
WO2013066109A1 (ko) | 비담지 비균일계 폴리올레핀 중합용 촉매 조성물 및 그의 제조 방법 | |
CN108350114A (zh) | 聚丙烯 | |
WO2012036443A2 (ko) | 이핵 메탈로센 화합물 및 이를 이용한 폴리올레핀의 제조방법 | |
Liguori et al. | Titanium Monoamidinate− MAO Catalysts: Some Information about Active Species and Stereochemical Polymerization Mechanisms | |
CN105764931B (zh) | 用于制备高分子量聚烯烃的茂金属催化剂及其制备方法 | |
CN108026209A (zh) | 高刚性且节能的用于发泡的聚丙烯 | |
EP0908471B1 (en) | Olefin polymerization catalyst precursor | |
US20190224661A1 (en) | Method of preparing metallocene catalyst for polyolefin preparation | |
CN104271586B (zh) | 柄型金属茂化合物及使用该化合物制备负载型催化剂的方法 | |
KR20180064114A (ko) | 메탈로센 담지 촉매 및 이를 이용하는 폴리프로필렌의 제조 방법 | |
JPH0772209B2 (ja) | オレフインの重合方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |