WO2023145153A1 - オレフィン類重合用固体触媒成分及びその製造方法、オレフィン類重合用触媒の製造方法、並びにオレフィン類重合体の製造方法 - Google Patents
オレフィン類重合用固体触媒成分及びその製造方法、オレフィン類重合用触媒の製造方法、並びにオレフィン類重合体の製造方法 Download PDFInfo
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- WO2023145153A1 WO2023145153A1 PCT/JP2022/038569 JP2022038569W WO2023145153A1 WO 2023145153 A1 WO2023145153 A1 WO 2023145153A1 JP 2022038569 W JP2022038569 W JP 2022038569W WO 2023145153 A1 WO2023145153 A1 WO 2023145153A1
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- 125000001033 ether group Chemical group 0.000 claims abstract description 26
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 15
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- 238000000034 method Methods 0.000 claims description 14
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- RGHIYOCUMCUWAQ-UHFFFAOYSA-N 3,3-bis(methoxymethyl)-2,5-dimethylhexane Chemical compound COCC(COC)(CC(C)C)C(C)C RGHIYOCUMCUWAQ-UHFFFAOYSA-N 0.000 claims description 4
- 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 claims description 3
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- 229910000077 silane Inorganic materials 0.000 description 5
- 125000001424 substituent group Chemical group 0.000 description 5
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- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 4
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- UIVHLJQMLWRKJZ-UHFFFAOYSA-N 2-ethoxyethyl ethyl carbonate Chemical compound CCOCCOC(=O)OCC UIVHLJQMLWRKJZ-UHFFFAOYSA-N 0.000 description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 4
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- SJJCABYOVIHNPZ-UHFFFAOYSA-N cyclohexyl-dimethoxy-methylsilane Chemical compound CO[Si](C)(OC)C1CCCCC1 SJJCABYOVIHNPZ-UHFFFAOYSA-N 0.000 description 2
- 125000006547 cyclononyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 2
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- UBZYKBZMAMTNKW-UHFFFAOYSA-J titanium tetrabromide Chemical compound Br[Ti](Br)(Br)Br UBZYKBZMAMTNKW-UHFFFAOYSA-J 0.000 description 2
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- YZTQBMIZXIYCNG-UHFFFAOYSA-N (1-butoxy-2-phenylpropan-2-yl) ethyl carbonate Chemical compound C(OC(COCCCC)(C1=CC=CC=C1)C)(OCC)=O YZTQBMIZXIYCNG-UHFFFAOYSA-N 0.000 description 1
- JYBWJSFJBISVLU-UHFFFAOYSA-N (1-ethoxy-2-phenylpropan-2-yl) methyl carbonate Chemical compound C(OC(COCC)(C1=CC=CC=C1)C)(OC)=O JYBWJSFJBISVLU-UHFFFAOYSA-N 0.000 description 1
- DFLVZMRGDCGHLP-UHFFFAOYSA-N (1-methoxy-2-phenylpropan-2-yl) methyl carbonate Chemical compound C(OC(COC)(C1=CC=CC=C1)C)(OC)=O DFLVZMRGDCGHLP-UHFFFAOYSA-N 0.000 description 1
- JIGPYOIQCBOXND-UHFFFAOYSA-N (2-butoxy-1-phenylethyl) ethyl carbonate Chemical compound C(OC(COCCCC)C1=CC=CC=C1)(OCC)=O JIGPYOIQCBOXND-UHFFFAOYSA-N 0.000 description 1
- DZDRMZYHRJRTES-UHFFFAOYSA-N (2-butoxy-2-phenylethyl) phenyl carbonate Chemical compound C(OCC(OCCCC)C1=CC=CC=C1)(OC1=CC=CC=C1)=O DZDRMZYHRJRTES-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
- GXAKOHDFRHTPMV-UHFFFAOYSA-N (2-ethoxy-1-phenylethyl) ethyl carbonate Chemical compound C(OC(COCC)C1=CC=CC=C1)(OCC)=O GXAKOHDFRHTPMV-UHFFFAOYSA-N 0.000 description 1
- BYZBXDPYNAFVJB-UHFFFAOYSA-N (2-ethoxy-1-phenylethyl) methyl carbonate Chemical compound C(OC(COCC)C1=CC=CC=C1)(OC)=O BYZBXDPYNAFVJB-UHFFFAOYSA-N 0.000 description 1
- DNSMYOODOQVBJD-UHFFFAOYSA-N (2-ethoxy-1-phenylpropyl) methyl carbonate Chemical compound C(OC(C(C)OCC)C1=CC=CC=C1)(OC)=O DNSMYOODOQVBJD-UHFFFAOYSA-N 0.000 description 1
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- XBTUUURPPPWVRE-UHFFFAOYSA-N ethyl (1-phenyl-2-propoxyethyl) carbonate Chemical compound C(OC(COCCC)C1=CC=CC=C1)(OCC)=O XBTUUURPPPWVRE-UHFFFAOYSA-N 0.000 description 1
- KUDNSIANUBMTIG-UHFFFAOYSA-N ethyl (2-methoxy-1-phenylethyl) carbonate Chemical compound C(OC(COC)C1=CC=CC=C1)(OCC)=O KUDNSIANUBMTIG-UHFFFAOYSA-N 0.000 description 1
- VWNRVBNJEVXIRK-UHFFFAOYSA-N ethyl (2-phenyl-1-phenylmethoxypropan-2-yl) carbonate Chemical compound C(OC(COCC1=CC=CC=C1)(C1=CC=CC=C1)C)(OCC)=O VWNRVBNJEVXIRK-UHFFFAOYSA-N 0.000 description 1
- GJHQXUUJZXXMHZ-UHFFFAOYSA-N ethyl 2-propoxyethyl carbonate Chemical compound CCCOCCOC(=O)OCC GJHQXUUJZXXMHZ-UHFFFAOYSA-N 0.000 description 1
- NWPWRAWAUYIELB-UHFFFAOYSA-N ethyl 4-methylbenzoate Chemical compound CCOC(=O)C1=CC=C(C)C=C1 NWPWRAWAUYIELB-UHFFFAOYSA-N 0.000 description 1
- BVSZSQVGMAHLPF-UHFFFAOYSA-N ethyl [1-(2-methylpropoxy)-2-phenylpropan-2-yl] carbonate Chemical compound C(OC(COCC(C)C)(C1=CC=CC=C1)C)(OCC)=O BVSZSQVGMAHLPF-UHFFFAOYSA-N 0.000 description 1
- 125000006534 ethyl amino methyl group Chemical group [H]N(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 description 1
- 125000006229 isopropoxyethyl group Chemical group [H]C([H])([H])C([H])(OC([H])([H])C([H])([H])*)C([H])([H])[H] 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- HFTSQAKJLBPKBD-UHFFFAOYSA-N magnesium;butan-1-olate Chemical compound [Mg+2].CCCC[O-].CCCC[O-] HFTSQAKJLBPKBD-UHFFFAOYSA-N 0.000 description 1
- CCLBJCVPJCHEQD-UHFFFAOYSA-N magnesium;ethanolate;propan-1-olate Chemical compound [Mg+2].CC[O-].CCC[O-] CCLBJCVPJCHEQD-UHFFFAOYSA-N 0.000 description 1
- CRGZYKWWYNQGEC-UHFFFAOYSA-N magnesium;methanolate Chemical compound [Mg+2].[O-]C.[O-]C CRGZYKWWYNQGEC-UHFFFAOYSA-N 0.000 description 1
- WNJYXPXGUGOGBO-UHFFFAOYSA-N magnesium;propan-1-olate Chemical compound CCCO[Mg]OCCC WNJYXPXGUGOGBO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- QZCOACXZLDQHLQ-UHFFFAOYSA-M methanolate titanium(4+) chloride Chemical compound [Cl-].[Ti+4].[O-]C.[O-]C.[O-]C QZCOACXZLDQHLQ-UHFFFAOYSA-M 0.000 description 1
- OKENUZUGNVCOMC-UHFFFAOYSA-K methanolate titanium(4+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].CO[Ti+3] OKENUZUGNVCOMC-UHFFFAOYSA-K 0.000 description 1
- YADSWHLEMUDLCR-UHFFFAOYSA-N methyl (1-phenyl-2-phenylmethoxypropyl) carbonate Chemical compound C(OC(C(C)OCC1=CC=CC=C1)C1=CC=CC=C1)(OC)=O YADSWHLEMUDLCR-UHFFFAOYSA-N 0.000 description 1
- GMCCFGIAFMMJPF-UHFFFAOYSA-N methyl 2-propoxyethyl carbonate Chemical compound CCCOCCOC(=O)OC GMCCFGIAFMMJPF-UHFFFAOYSA-N 0.000 description 1
- QSSJZLPUHJDYKF-UHFFFAOYSA-N methyl 4-methylbenzoate Chemical compound COC(=O)C1=CC=C(C)C=C1 QSSJZLPUHJDYKF-UHFFFAOYSA-N 0.000 description 1
- 125000006533 methyl amino methyl group Chemical group [H]N(C([H])([H])[H])C([H])([H])* 0.000 description 1
- CXHHBNMLPJOKQD-UHFFFAOYSA-M methyl carbonate Chemical compound COC([O-])=O CXHHBNMLPJOKQD-UHFFFAOYSA-M 0.000 description 1
- DDIZAANNODHTRB-UHFFFAOYSA-N methyl p-anisate Chemical compound COC(=O)C1=CC=C(OC)C=C1 DDIZAANNODHTRB-UHFFFAOYSA-N 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical group COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
- UIUXUFNYAYAMOE-UHFFFAOYSA-N methylsilane Chemical group [SiH3]C UIUXUFNYAYAMOE-UHFFFAOYSA-N 0.000 description 1
- NINOYJQVULROET-UHFFFAOYSA-N n,n-dimethylethenamine Chemical group CN(C)C=C NINOYJQVULROET-UHFFFAOYSA-N 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- IQFXJRXOTKFGPN-UHFFFAOYSA-N n-ethenyl-n-ethylethanamine Chemical group CCN(CC)C=C IQFXJRXOTKFGPN-UHFFFAOYSA-N 0.000 description 1
- 125000001400 nonyl group Chemical class [H]C([*])([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])[H] 0.000 description 1
- 125000003518 norbornenyl group Chemical group C12(C=CC(CC1)C2)* 0.000 description 1
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N o-biphenylenemethane Natural products C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- WZUMKEKDCKEVHY-UHFFFAOYSA-N phenyl (1-phenyl-2-propoxypropyl) carbonate Chemical compound C(OC(C(C)OCCC)C1=CC=CC=C1)(OC1=CC=CC=C1)=O WZUMKEKDCKEVHY-UHFFFAOYSA-N 0.000 description 1
- WXOWOWKUTYGVBS-UHFFFAOYSA-N phenyl (2-phenyl-2-propoxyethyl) carbonate Chemical compound C(OCC(OCCC)C1=CC=CC=C1)(OC1=CC=CC=C1)=O WXOWOWKUTYGVBS-UHFFFAOYSA-N 0.000 description 1
- XNWXGCFCRLGREZ-UHFFFAOYSA-N phenyl 2-phenylmethoxyethyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OCCOCC1=CC=CC=C1 XNWXGCFCRLGREZ-UHFFFAOYSA-N 0.000 description 1
- GQZHOAXMLUWGPO-UHFFFAOYSA-N phenyl 2-propoxyethyl carbonate Chemical compound C(OCCOCCC)(OC1=CC=CC=C1)=O GQZHOAXMLUWGPO-UHFFFAOYSA-N 0.000 description 1
- ABKQKGWNUKXYRV-UHFFFAOYSA-N phenyl 2-propoxypropyl carbonate Chemical compound C(OCC(C)OCCC)(OC1=CC=CC=C1)=O ABKQKGWNUKXYRV-UHFFFAOYSA-N 0.000 description 1
- QIIPQYDSKRYMFG-UHFFFAOYSA-M phenyl carbonate Chemical compound [O-]C(=O)OC1=CC=CC=C1 QIIPQYDSKRYMFG-UHFFFAOYSA-M 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- FVZVCSNXTFCBQU-UHFFFAOYSA-N phosphanyl Chemical group [PH2] FVZVCSNXTFCBQU-UHFFFAOYSA-N 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical class OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000006410 propenylene group Chemical group 0.000 description 1
- 125000006225 propoxyethyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 1
- 125000005767 propoxymethyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])[#8]C([H])([H])* 0.000 description 1
- 125000006235 propyl amino ethyl group Chemical group [H]N(C([H])([H])C([H])([H])*)C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical class O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- AIFMYMZGQVTROK-UHFFFAOYSA-N silicon tetrabromide Chemical compound Br[Si](Br)(Br)Br AIFMYMZGQVTROK-UHFFFAOYSA-N 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 125000005353 silylalkyl group Chemical class 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 231100000615 substance of very high concern Toxicity 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- XROWMBWRMNHXMF-UHFFFAOYSA-J titanium tetrafluoride Chemical compound [F-].[F-].[F-].[F-].[Ti+4] XROWMBWRMNHXMF-UHFFFAOYSA-J 0.000 description 1
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- RYFIHIMBHQWVNQ-UHFFFAOYSA-N tributoxy(chloro)silane Chemical compound CCCCO[Si](Cl)(OCCCC)OCCCC RYFIHIMBHQWVNQ-UHFFFAOYSA-N 0.000 description 1
- SELBPKHVKHQTIB-UHFFFAOYSA-N trichloro(ethoxy)silane Chemical compound CCO[Si](Cl)(Cl)Cl SELBPKHVKHQTIB-UHFFFAOYSA-N 0.000 description 1
- IORQPMCLCHBYMP-UHFFFAOYSA-N trichloro(methoxy)silane Chemical compound CO[Si](Cl)(Cl)Cl IORQPMCLCHBYMP-UHFFFAOYSA-N 0.000 description 1
- KOSDRGGXVCAXGC-UHFFFAOYSA-N trichloro(propoxy)silane Chemical compound CCCO[Si](Cl)(Cl)Cl KOSDRGGXVCAXGC-UHFFFAOYSA-N 0.000 description 1
- ORYGRKHDLWYTKX-UHFFFAOYSA-N trihexylalumane Chemical compound CCCCCC[Al](CCCCCC)CCCCCC ORYGRKHDLWYTKX-UHFFFAOYSA-N 0.000 description 1
- DSNMSIRQEQAGHB-UHFFFAOYSA-N trimethyl(2-trimethylsilyloxyethenoxy)silane Chemical group C[Si](C)(C)OC=CO[Si](C)(C)C DSNMSIRQEQAGHB-UHFFFAOYSA-N 0.000 description 1
- AMGXUPKDZBCKPF-BQYQJAHWSA-N trimethyl-[(e)-2-trimethylsilylethenyl]silane Chemical group C[Si](C)(C)\C=C\[Si](C)(C)C AMGXUPKDZBCKPF-BQYQJAHWSA-N 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000002948 undecyl group Chemical class [H]C([*])([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])[H] 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 125000005023 xylyl group Chemical group 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
- C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
- C08F4/652—Pretreating with metals or metal-containing compounds
- C08F4/654—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
-
- 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
- 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
- C08F4/647—Catalysts containing a specific non-metal or metal-free compound
- C08F4/649—Catalysts containing a specific non-metal or metal-free compound organic
- C08F4/6494—Catalysts containing a specific non-metal or metal-free compound organic containing oxygen
Definitions
- the present invention relates to a solid catalyst component for olefin polymerization containing an electron-donating compound as a substitute for phthalate ester, a method for producing the same, a method for producing a catalyst for olefin polymerization, and a method for producing an olefin polymer using the same. .
- Solid catalyst components containing electron-donating compounds such as magnesium, titanium and phthalate esters and halogen atoms as essential components are known as constituent components of catalysts for polymerization of olefins. and an organosilicon compound have been proposed. Conventionally, phthalate diesters have been used as internal electron donating compounds for solid catalyst components for olefin polymerization.
- a diether compound gives a highly active catalyst with moderately high stereoregularity, but the resulting polymer has a narrow molecular weight distribution.
- carbonate compounds have high stereoregularity, but are inferior in polymerization activity to diether compounds.
- Patent Document 1 by using both a diether compound and a carbonate compound as the internal electron-donating compound, the resulting olefin polymer can be obtained in a lower amount than when only the diether compound is used as the internal electron-donating compound. Although the molecular weight distribution is widened, there is a problem that the catalytic activity is lowered.
- an object of the present invention is to provide a solid catalyst component for olefin polymerization using an ether compound having two or more ether groups and a carbonate compound as an internal electron donating compound, wherein the olefin obtained in the polymerization of olefins
- An object of the present invention is to provide a solid catalyst component for the polymerization of olefins, which has a moderately wide molecular weight distribution of the analog polymer and can increase the polymerization activity, and a method for producing the same.
- the inventors of the present invention conducted intensive studies and found that, as an internal electron donor, a solid catalyst component for olefin polymerization using an ether compound and a carbonate compound having two or more ether groups, The ratio of the ether compound having two or more ether groups and the carbonate compound is within a predetermined range, and the magnesium compound, the halogen-containing titanium compound, the carbonate compound and the ether compound having two or more ether groups are brought into contact with each other.
- the mixture volume ratio of the halogen-containing titanium compound to the inert organic solvent in the mixed solution of the halogen-containing titanium compound and the inert organic solvent is within a predetermined range.
- the halogen-containing titanium compound/inert organic solvent mixture in the second step is a mixture of the halogen-containing titanium compound and the inert organic solvent, the ratio of the volume of the halogen-containing titanium compound to the volume of the inert organic solvent ( Halogen-containing titanium compound/inert organic solvent) is obtained by mixing in a mixing amount of 0.25 or more,
- a method for producing a solid catalyst component for olefin polymerization characterized by (5) The total contact amount of the carbonate compound (A) and the contact amount of the ether compound (B) is 0.08 to 0.30 mol per 1.00 mol of the magnesium compound ( 4)
- R 11 represents an alkyl group having 1 to 6 carbon atoms
- Q represents a hydrogen atom or halogen
- p is a real number of 0 ⁇ p ⁇ 3, and multiple R 11 may be the same or different.
- a method for producing an olefin polymerization catalyst characterized in that the olefin polymerization catalyst is obtained by bringing the organoaluminum compounds represented by (8) Olefin obtained by the method for producing the solid catalyst component for olefin polymerization of any one of (I) (1) to (3) or the solid catalyst component for olefin polymerization of any one of (4) to (6) Solid catalyst component for analog polymerization, (II) the following general formula (4): R 11 p AlQ 3-p (4) (In the formula, R 11 represents an alkyl group having 1 to 6 carbon atoms, Q represents a hydrogen atom or halogen, p is a real number of 0 ⁇ p ⁇ 3, and multiple R 11 may be the same or different.
- a method for producing an olefin polymer which comprises polymerizing olefins using an olefin polymerization catalyst obtained by the method for producing an olefin polymerization catalyst of (7) or (8), It provides
- a solid catalyst component for olefin polymerization using an ether compound having two or more ether groups and a carbonate compound as an internal electron donating compound wherein It is possible to provide a solid catalyst component for the polymerization of olefins, which has a moderately wide molecular weight distribution of coalescence and can increase the polymerization activity, and a method for producing the same.
- solid catalyst component (I) includes magnesium, titanium, halogen, and a carbonate compound represented by general formula (1) (A ) (hereinafter sometimes simply referred to as “component (A)”) and an ether compound (B) having two or more ether groups (hereinafter sometimes simply referred to as “component (B)”) are essential components contains as
- Halogen includes, for example, each atom of fluorine, chlorine, bromine or iodine, preferably chlorine, bromine or iodine, particularly preferably chlorine or iodine.
- the hydrocarbon group or substituted hydrocarbon group having 1 to 24 carbon atoms for R 1 and R 2 includes a linear alkyl group, a branched alkyl group having 3 to 20 carbon atoms, a vinyl group, a carbon linear or branched alkenyl groups having 3 to 20 carbon atoms, linear halogen-substituted alkyl groups, branched halogen-substituted alkyl groups having 3 to 20 carbon atoms, linear halogen-substituted alkenyl groups having 2 to 20 carbon atoms, carbon branched halogen-substituted alkenyl group having 3 to 20 carbon atoms, cycloalkyl group having 3 to 20 carbon atoms, cycloalkenyl group, halogen-substituted cycloalkyl group having 3 to 20 carbon atoms, halogen-substituted cycloalkenyl group having 3 to 20 carbon atoms, carbon Examples include aromatic hydro
- the heteroatom-containing group of R 1 and R 2 includes a nitrogen atom-containing hydrocarbon group having a carbon atom at the binding end, an oxygen atom-containing hydrocarbon group having a carbon atom at the binding end, and a carbon atom-containing group at the binding end.
- Phosphorus-containing hydrocarbon groups or silicon-containing hydrocarbon groups may be mentioned.
- Linear alkyl groups having 1 to 24 carbon atoms for R 1 and R 2 include, for example, methyl group, ethyl group, n-propyl group, n-butyl group, n-pentyl group, n-hexyl group and n-pentyl. group, n-octyl group, n-nonyl group, n-decyl group and the like.
- a linear alkyl group having 1 to 12 carbon atoms is preferred.
- the branched alkyl group having 3 to 20 carbon atoms for R 1 and R 2 includes alkyl groups having secondary or tertiary carbon atoms, such as isopropyl group, isobutyl group, t-butyl group, isopentyl group and neopentyl group. is mentioned.
- a branched alkyl group having 3 to 12 carbon atoms is preferred.
- the linear alkenyl group having 3 to 20 carbon atoms for R 1 and R 2 includes allyl group, 3-butenyl group, 4-hexenyl group, 5-hexenyl group, 7-octenyl group, 10-dodecenyl group and the like. is mentioned.
- a linear alkenyl group having 3 to 12 carbon atoms is preferred.
- Examples of branched alkenyl groups having 3 to 20 carbon atoms include isopropenyl, isobutenyl, isopentenyl and 2-ethyl-3-hexenyl groups.
- a branched alkenyl group having 3 to 12 carbon atoms is preferred.
- Examples of the linear halogen-substituted alkyl group having 1 to 20 carbon atoms for R 1 and R 2 include halogenated methyl group, halogenated ethyl group, halogenated n-propyl group, halogenated n-butyl group, halogen halogenated n-pentyl group, halogenated n-hexyl group, halogenated n-pentyl group, halogenated n-octyl group, halogenated nonyl group, halogenated decyl group, halogen-substituted undecyl group, halogen-substituted dodecyl group and the like. .
- branched halogen-substituted alkyl groups having 3 to 20 carbon atoms include halogenated isopropyl group, halogenated isobutyl group, halogenated 2-ethylhexyl group, and halogenated neopentyl group.
- a branched halogen-substituted alkyl group having 3 to 12 carbon atoms is preferred.
- the linear halogen-substituted alkenyl group having 2 to 20 carbon atoms for R 1 and R 2 includes a 2-halogenated vinyl group, a 3-halogenated allyl group, a 3-halogenated-2-butenyl group, a 4- Halogenated 3-butenyl group, perhalogenated 2-butenyl group, 6-halogenated 4-hexenyl group, 3-trihalogenated methyl-2-propenyl group and the like.
- a halogen-substituted alkenyl group having 2 to 12 carbon atoms is preferred.
- the branched halogen-substituted alkenyl group having 3 to 20 carbon atoms includes a 3-trihalogenated-2-butenyl group, a 2-pentahalogenated ethyl-3-hexenyl group, a 6-halogenated-3-ethyl-4- hexenyl group, 3-halogenated isobutenyl group and the like.
- a branched halogen-substituted alkenyl group having 3 to 12 carbon atoms is preferred.
- the cycloalkyl group having 3 to 20 carbon atoms for R 1 and R 2 includes a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a tetramethylcyclopentyl group, a cyclohexyl group, a methylcyclohexyl group, a cycloheptyl group, a cyclooctyl group, A cyclononyl group, a cyclodecyl group, a butylcyclopentyl group and the like can be mentioned.
- a cycloalkyl group having 3 to 12 carbon atoms is preferred.
- the cycloalkenyl group having 3 to 20 carbon atoms includes a cyclopropenyl group, a cyclopentenyl group, a cyclohexenyl group, a cyclooctenyl group, a norbornene group, and the like.
- a cycloalkenyl group having 3 to 12 carbon atoms is preferred.
- the halogen-substituted cycloalkyl group having 3 to 20 carbon atoms for R 1 and R 2 includes a halogen-substituted cyclopropyl group, a halogen-substituted cyclobutyl group, a halogen-substituted cyclopentyl group, a halogen-substituted trimethylcyclopentyl group, a halogen-substituted cyclohexyl group, and a halogen-substituted cycloalkyl group.
- a substituted methylcyclohexyl group, a halogen-substituted cycloheptyl group, a halogen-substituted cyclooctyl group, a halogen-substituted cyclononyl group, a halogen-substituted cyclodecyl group, a halogen-substituted butylcyclopentyl group and the like can be mentioned.
- a halogen-substituted cycloalkyl group having 3 to 12 carbon atoms is preferred.
- the halogen-substituted cycloalkenyl group having 3 to 20 carbon atoms for R 1 and R 2 includes a halogen-substituted cyclopropenyl group, a halogen-substituted cyclobutenyl group, a halogen-substituted cyclopentenyl group, a halogen-substituted trimethylcyclopentenyl group, and a halogen-substituted cyclohexenyl group.
- halogen-substituted methylcyclohexenyl group halogen-substituted cycloheptenyl group, halogen-substituted cyclooctenyl group, halogen-substituted cyclononenyl group, halogen-substituted cyclodecenyl group, halogen-substituted butylcyclopentenyl group, and the like.
- a halogen-substituted cycloalkenyl group having 3 to 12 carbon atoms is preferred.
- the aromatic hydrocarbon groups having 6 to 24 carbon atoms for R 1 and R 2 include phenyl, methylphenyl, dimethylphenyl, ethylphenyl, benzyl, 1-phenylethyl and 2-phenylethyl. group, 2-phenylpropyl group, 1-phenylbutyl group, 4-phenylbutyl group, 2-phenylheptyl group, tolyl group, xylyl group, naphthyl group, 1,8-dimethylnaphthyl group and the like.
- An aromatic hydrocarbon group having 6 to 12 carbon atoms is preferred.
- the halogen-substituted aromatic hydrocarbon group having 6 to 24 carbon atoms for R 1 and R 2 includes a halogenated phenyl group, a halogenated methylphenyl group, a trihalogenated methylphenyl group, a perhalogenated benzyl group, and a perhalogenated phenyl group, 2-phenyl-2-halogenated ethyl group, perhalogenated naphthyl group, 4-phenyl-2,3-dihalogenated butyl group and the like.
- a halogen-substituted aromatic hydrocarbon group having 6 to 12 carbon atoms is preferred.
- the halogen species includes fluorine, chlorine, and bromine. or iodine, preferably fluorine, chlorine or bromine.
- the oxygen atom-containing hydrocarbon group having a carbon atom at the bond end of R 1 and R 2 is an oxygen atom-containing hydrocarbon group having 2 to 24 carbon atoms, excluding those having a bond end of a carbonyl group, such as methoxymethyl group, ethoxymethyl group, propoxymethyl group, butoxymethyl group, isopropoxymethyl group, isobutoxymethyl group, methoxyethyl group, ethoxyethyl group, propoxyethyl group, butoxyethyl group, isopropoxyethyl group, isobutoxyethyl Ether group-containing hydrocarbon groups such as groups, phenoxymethyl groups, methylphenoxymethyl groups, dimethylphenoxymethyl groups, aryloxyalkyl groups such as naphthoxymethyl groups, alkoxyaryl groups such as methoxyphenyl groups and ethoxyphenyl groups, acetoxymethyl and the like.
- An oxygen atom-containing hydrocarbon group having 2 to 12 carbon atoms
- dibutylphosphinomethyl group dicyclohexylphosphinomethyl group, dimethylphosphinoethyl group, dibutylphosphinoethyl group, dialkylphosphinoalkyl group such as dicyclohexylphosphinoethyl group, diphenylphosphinomethyl group, ditolylphosphinomethyl group and phosphino group-substituted aryl groups such as diarylphosphinoalkyl groups such as dimethylphosphinophenyl group and diethylphosphinophenyl group.
- a phosphorus-containing hydrocarbon group having 2 to 12 carbon atoms is preferred.
- the bonding end refers to an atom or group on the oxygen atom side to which R 1 and R 2 are bonded.
- the silicon-containing hydrocarbon group in which the bond ends of R 1 and R 2 are carbon atoms is a silicon-containing hydrocarbon group having 1 to 24 carbon atoms, such as a hydrocarbon-substituted silyl group and a hydrocarbon-substituted siloxyalkyl group. , hydrocarbon-substituted silylalkyl groups, hydrocarbon-substituted silylaryl groups, etc. Specific examples include phenylsilyl, diphenylsilyl, trimethylsilyl, triethylsilyl, tripropylsilyl, tricyclohexylsilyl, triphenylsilyl, and methyldiphenylsilyl.
- tritolylsilyl, trinaphthylsilyl, and other hydrocarbon-substituted silyl groups trimethylsiloxymethyl, trimethylsiloxyethyl, trimethylsiloxyphenyl, and other siloxyhydrocarbon groups; trimethylsilylether, and other hydrocarbon-substituted silyl ether groups; and silicon-substituted alkyl groups such as trimethylsilylphenyl, and silicon-substituted aryl groups such as trimethylsilylphenyl.
- silicon-containing hydrocarbon groups having 1 to 12 carbon atoms.
- R 1 Preferred groups among R 1 are a straight-chain alkyl group having 1 to 12 carbon atoms, a branched alkyl group having 3 to 12 carbon atoms, a vinyl group, a straight-chain alkenyl group or a branched alkenyl group having 3 to 12 carbon atoms, linear halogen-substituted alkyl group having 1 to 12 carbon atoms, branched halogen-substituted alkyl group having 3 to 12 carbon atoms, linear halogen-substituted alkenyl group or branched halogen-substituted alkenyl group having 3 to 12 carbon atoms, and 3 to 12 carbon atoms 12 cycloalkyl group, cycloalkenyl group having 3 to 12 carbon atoms, halogen-substituted cycloalkyl group having 3 to 12 carbon atoms, halogen-substituted cycloalkenyl group having 3 to 12 carbon atoms
- a linear halogen-substituted alkyl group having 1 to 12 carbon atoms a branched halogen-substituted alkyl group having 3 to 12 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, a cycloalkenyl group having 3 to 12 carbon atoms, or a carbon number 6 to 12 aromatic hydrocarbon groups
- particularly preferred groups are linear alkyl groups having 1 to 12 carbon atoms, branched alkyl groups having 3 to 12 carbon atoms, and aromatic hydrocarbon groups having 6 to 12 carbon atoms. is the base.
- Preferred groups for R 2 include a straight-chain alkyl group having 1 to 12 carbon atoms, a branched alkyl group having 3 to 12 carbon atoms whose bond end is —CH 2 —, a vinyl group, and a straight chain alkyl group having 3 to 12 carbon atoms.
- alkenyl group branched alkenyl group having 3 to 12 carbon atoms and having -CH 2 - at the bond end, linear halogen-substituted alkyl group having 1 to 12 carbon atoms and having 3 to 12 carbon atoms having at the bond end and -CH 2 - a branched halogen-substituted alkyl group having 3 to 12 carbon atoms, a linear halogen-substituted alkenyl group having 3 to 12 carbon atoms, a branched halogen-substituted alkenyl group having 3 to 12 carbon atoms having a bond end of —CH 2 —, and a bond end of —CH 2 — certain cycloalkyl groups having 4 to 12 carbon atoms, cycloalkenyl groups having 4 to 12 carbon atoms whose bond ends are —CH 2 —, and halogen-substituted cycloalkyl groups having 4 to 12 carbon atoms whose
- the bonding group in which two oxygen atoms to which Z is bonded is bonded by a carbon chain, and the carbon chain is composed of two carbon atoms is represented by the following general formula (2); -CR 3 R 4 CR 5 R 6 - (2) (wherein R 3 to R 6 are hydrogen atoms, halogen atoms, alkyl groups having 1 to 12 carbon atoms, vinyl groups, alkenyl groups having 3 to 12 carbon atoms, cycloalkyl groups or cycloalkenyl groups having 3 to 12 carbon atoms, , an aromatic hydrocarbon group having 6 to 12 carbon atoms, or an aromatic hydrocarbon group having 7 to 12 carbon atoms having a substituent, which may be the same or different, and may be combined to form a ring. .) wherein R 3 to R 6 are preferably hydrogen atoms or alkyl groups having 1 to 12 carbon atoms.
- Preferred groups for Z include a linear alkylene group having 1 to 20 carbon atoms, a branched alkylene group having 3 to 20 carbon atoms, a vinylene group, a linear or branched alkenylene group having 3 to 20 carbon atoms, and a a linear halogen-substituted alkylene group having 1 to 20 carbon atoms, a branched halogen-substituted alkylene group having 3 to 20 carbon atoms, a linear halogen-substituted alkenylene group having 3 to 20 carbon atoms or a branched halogen-substituted alkenylene group having 3 to 20 carbon atoms; a cycloalkylene group, a cycloalkenylene group having 3 to 20 carbon atoms, a halogen-substituted cycloalkylene group having 3 to 20 carbon atoms, a halogen-substituted cycloalkenylene group having 3
- more preferable groups for Z are an ethylene group having 2 carbon atoms, a branched alkylene group having 3 to 12 carbon atoms, a vinylene group, a linear or branched alkenylene group having 3 to 12 carbon atoms, and a branched alkenylene group having 3 to 12 carbon atoms.
- linear alkylene groups having 1 to 20 carbon atoms for Z include ethylene, trimethylene, tetramethylene, pentamethylene, hexamethylene, heptamethylene, octamethylene, nonamethylene, decamethylene, un decamethylene group, dodecamethylene group, tridecamethylene group, tetradecamethylene group and the like.
- a linear alkylene group having 2 to 12 carbon atoms is preferred. More preferably, it is an ethylene group.
- the branched alkylene group having 3 to 20 carbon atoms of Z includes 1-methylethylene group, 2-methyltrimethylene group, 2-methyltetramethylene group, 2-methylpentamethylene group, 3-methylhexamethylene group, 4 -methylheptamethylene group, 4-methyloctamethylene group, 5-methylnonamethylene group, 5-methyldecamethylene group, 6-methylundecamethylene group, 7-methyldodecamethylene group, 7-methyltridecamethylene group, etc. is mentioned.
- a branched alkylene group having 3 to 12 carbon atoms is preferred. More preferred are 1-methylethylene group, 2-methylethylene group and 1-ethylethylene group.
- Examples of the linear alkenylene group having 3 to 20 carbon atoms for Z include a propenylene group, a butenylene group, a hexenylene group, an octenylene group, and an octadecenylene group.
- a linear alkenylene group having 3 to 12 carbon atoms is preferred.
- the branched alkenylene group having 3 to 20 carbon atoms of Z includes an isopropenylene group, a 1-ethylethenylene group, a 2-methylpropenylene group, a 2,2-dimethylbutenylene group, and a 3-methyl-2-butenylene group. , 3-ethyl-2-butenylene group, 2-methyloctenylene group, 2,4-dimethyl-2-butenylene group and the like.
- Preferred is a branched alkenylene group having 3 to 12 carbon atoms in which the linking portion is an ethenylene group. More preferred are an isopropenylene group and a 1-ethylethenylene group.
- linear halogen-substituted alkenylene group having 1 to 20 carbon atoms for Z examples include a dichloroethenylene group, a difluoroethenylene group, a 3,3-dichloropropenylene group, a 1,2-difluoropropenylene group, and the like.
- Preferred is a linear halogen-substituted alkenylene group having 3 to 12 carbon atoms.
- the branched halogen-substituted alkylene group having 1 to 20 carbon atoms for Z includes 3,4-dichloro-1,2-butylene group, 2,2-dichloro-1,3-butylene group, 1,2-difluoro-1 , 2-propylene group and the like.
- a branched halogen-substituted alkylene group having 3 to 12 carbon atoms is preferred.
- the cycloalkylene group having 3 to 20 carbon atoms for Z includes a cyclopentylene group, a cyclohexylene group, a cyclopropylene group, a 2-methylcyclopropylene group, a cyclobutylene group, a 2,2-dimethylcyclobutylene group, 2, 3-dimethylcyclopentylene group, 1,3,3-trimethylcyclohexylene group, cyclooctylene group and the like.
- a cycloalkylene group having 3 to 12 carbon atoms is preferred.
- the cycloalkenylene group having 3 to 20 carbon atoms for Z includes a cyclopentenylene group, a 2,4-cyclopentadienylene group, a cyclohexenylene group, a 1,4-cyclohexadienylene group, and a cycloheptenylene group. group, methylcyclopentenylene group, methylcyclohexenylene group, methylcycloheptenylene group, dicyclodecylene group, tricyclodecylene group, and the like.
- a cycloalkenylene group having 3 to 12 carbon atoms is preferred.
- Examples of the halogen-substituted cycloalkylene group having 3 to 20 carbon atoms for Z include 3-chloro-1,2-cyclopentylene group, 3,4,5,6-tetrachloro-1,2-cyclohexylene group, 3 ,3-dichloro-1,2-cyclopropylene group, 2-chloromethylcyclopropylene group, 3,4-dichloro-1,2-cyclobutylene group, 3,3-bis(dichloromethyl)-1,2-cyclo butylene group, 2,3-bis(dichloromethyl)cyclopentylene group, 1,3,3-tris(fluoromethyl)-1,2-cyclohexylene group, 3-trichloromethyl-1,2-cyclooctylene group etc.
- a halogen-substituted cycloalkylene group having 3 to 12 carbon atoms is preferred.
- the halogen-substituted cycloalkenylene group having 3 to 20 carbon atoms for Z includes 5-chloro-1,2-cyclo-4-hexenylene group, 3,3,4,4-tetrafluoro-1,2-cyclo-6 -octenylene group and the like.
- a halogen-substituted cycloalkenylene group having 3 to 12 carbon atoms is preferred.
- the aromatic hydrocarbon group having 6 to 24 carbon atoms for Z includes 1,2-phenylene, 3-methyl-1,2-phenylene, 3,6-dimethyl-1,2-phenylene and 1,2-naphthylene. 2,3-naphthylene, 5-methyl-1,2-naphthylene, 9,10-phenanthrylene, 1,2-anthracenylene and the like. Preferred are aromatic hydrocarbon groups having 6 to 12 carbon atoms.
- the halogen-substituted aromatic hydrocarbon group having 6 to 24 carbon atoms for Z includes 3-chloro-1,2-phenylene, 3-chloromethyl-1,2-phenylene, 3,6-dichloro-1,2- Phenylene, 3,6-dichloro-4,5-dimethyl-1,2-phenylene, 3-chloro-1,2-naphthylene, 3-fluoro-1,2-naphthylene, 3,6-dichloro-1,2- Phenylene, 3,6-difluoro-1,2-phenylene, 3,6-dibromo-1,2-phenylene, 1-chloro-2,3-naphthylene, 5-chloro-1,2-naphthylene, 2,6- dichloro-9,10-phenanthrylene, 5,6-dichloro-1,2-anthracenylene, 5,6-difluoro-1,2-anthracenylene and the like.
- the nitrogen atom-containing hydrocarbon group having 1 to 24 carbon atoms for Z includes a 1-dimethylaminoethylene group, a 1,2-bisdimethylminoethylene group, a 1-diethylaminoethylene group, and 2-diethylamino-1,3-propylene. 2-ethylamino-1,3-propylene group, 4-dimethylamino-1,2-phenylene group, 4,5-bis(dimethylamino)phenylene group and the like.
- a nitrogen atom-containing hydrocarbon group having 2 to 12 carbon atoms is preferred.
- Examples of the oxygen atom-containing hydrocarbon group having 1 to 24 carbon atoms for Z include 1-methoxyethylene group, 2,2-dimethoxy-1,3-propanylene group, 2-ethoxy-1,3-propanylene group, 2- t-butoxy-1,3-propanylene group, 2,3-dimethoxy-2,3-butylene group, 4-methoxy-1,2-phenylene group and the like.
- Preferred is an oxygen atom-containing hydrocarbon group having 2 to 12 carbon atoms.
- the phosphorus-containing hydrocarbon group having 1 to 24 carbon atoms for Z includes 1-dimethylphosphinoethylene group, 2,2-bis(dimethylphosphino)-1,3-propanylene group, and 2-diethylphosphino-1. ,3-propanylene group, 2-t-butoxymethylphosphino-1,3-propanylene group, 2,3-bis(diphenylphosphino)-2,3-butylene group, 4-methylphosphate-1,2- A phenylene group and the like can be mentioned.
- a phosphorus-containing hydrocarbon group having 1 to 12 carbon atoms is preferred.
- Examples of the silicon-containing hydrocarbon group having 1 to 24 carbon atoms for Z include a trimethylsilylethylene group, 1,2-bis(trimethylsilyl)ethylene group, 1,2-bis(trimethylsiloxy)ethylene group, 2,2-bis( 4-trimethylsilylphenyl)-1,3-propanylene group, 1,2-bis(monomethylsilane)-ethylene group and the like.
- Preferred are silicon-containing hydrocarbon groups having 1 to 12 carbon atoms.
- the compounds represented by the general formula (I) include (2-methoxyethyl) methyl carbonate, (2-ethoxyethyl) methyl carbonate, (2-propoxyethyl) methyl carbonate, (2-butoxyethyl) methyl carbonate, ( 2-(2-ethoxyethyloxy)ethyl)methyl carbonate, (2-benzyloxyethyl)methyl carbonate, (2-methoxypropyl)methyl carbonate, (2-ethoxypropyl)methylcarbonate, (2-methyl-2-methoxy Butyl) methyl carbonate, (2-methyl-2-ethoxybutyl) methyl carbonate, (2-methyl-2-methoxypentyl) methyl carbonate, (2-methyl-2-ethoxypentyl) methyl carbonate, (1-phenyl-2 -methoxypropyl) methyl carbonate, (1-phenyl-2-ethoxypropyl) methyl carbonate, (1-phenyl-2-benzyloxypropy
- (2-ethoxyethyl) methyl carbonate (2-ethoxyethyl) ethyl carbonate, (2-propoxyethyl) ethyl carbonate, (2-butoxyethyl) ethyl carbonate, (2-ethoxyethyl) phenyl carbonate, ( 2-Ethoxyethyl)p-methylphenyl carbonate is particularly preferred.
- the compound represented by General formula (1) can also be used individually or in combination of 2 or more types.
- 1,3-diethers having a substituent at the 2-position are preferred as the ether compound (B) having two or more ether groups.
- the 1,3-diethers having a substituent at the 2-position include the following general formula (3): R 7 —O—CH 2 CR 8 R 9 CH 2 —OR 10 (3) (Wherein, R 8 and R 9 are a hydrogen atom, a halogen atom, an alkyl group having 1 to 12 carbon atoms, a vinyl group, an alkenyl group having 3 to 12 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, or a cycloalkenyl group , an aromatic hydrocarbon group having 6 to 12 carbon atoms or a halogen-substituted aromatic hydrocarbon group, a substituted aromatic hydrocarbon group having 7 to 12 carbon atoms, an alkylamino group having 1 to 12 carbon atoms or 2 carbon atoms 1 to 12 dialkylamino groups, which may be the same or different
- the solid catalyst component (I) may contain an internal electron donating compound (hereinafter also referred to as component (E)) other than components (A) and (B).
- component (E) include alcohols, phenols, acid halides, acid amides, nitriles, acid anhydrides, ether compounds other than component (B), organic acid esters, silicic acid esters, Examples include compounds having an ether group and an ester group.
- Ether compound having two or more ether groups in the total of carbonate compound (A) represented by general formula (1) and ether compound (B) having two or more ether groups in solid catalyst component (I) The proportion of (B) is 33.0 to 80.0 mol%, preferably 33.0 to 75.0 mol%, more preferably 35.0 to 70.0 mol%.
- the ratio of component (B) to the total of component (A) and component (B) is within the above range, the molecular weight distribution of the olefin polymer can be moderately widened in the polymerization of olefins, Moreover, the catalytic activity can be increased.
- the ratio of component (B) to the total of component (A) and component (B) is the percentage of the number of moles of component (B) to the sum of the number of moles of component (A) and component (B). (mol%).
- the total amount of the carbonate compound (A) represented by the general formula (1) and the ether compound (B) having two or more ether groups in the solid catalyst component (I) is preferably 0.2 to 0.8 mmol. /gram of solid catalyst component, more preferably 0.3 to 0.7 mmol/gram of solid catalyst component.
- the sum of the component (A) and the component (B) refers to the sum of the number of moles of the component (A) and the number of moles of the component (B).
- the total ratio of the carbonate compound (A) represented by the general formula (1) and the ether compound (B) having two or more ether groups to all the internal electron donating compounds is It is preferably 80.0 mol % or more, more preferably 90.0 mol % or more, still more preferably 100.0 mol %.
- the total ratio of component (A) and component (B) to all internal electron-donating compounds means the number of moles of component (A) and the number of moles of component (B) with respect to the total number of moles of all internal electron-donating compounds. is the total percentage (mol%) of the number of moles of
- the solid catalyst component (I) may contain polysiloxane (hereinafter also simply referred to as "component (F)").
- polysiloxane By using polysiloxane, the stereoregularity or crystallinity of the produced polymer can be improved, and fine powder of the produced polymer can be reduced.
- Polysiloxane is a polymer having a siloxane bond (-Si-O- bond) in its main chain, and is also generically called silicone oil. ), more preferably a chain, partially hydrogenated, cyclic or modified polysiloxane that is liquid or viscous at room temperature and has a viscosity of 0.03 to 5 cm 2 /s (3 to 500 centistokes).
- titanium is preferably 0.1 to 10% by mass, preferably 0.5 to 8.0% by mass, more preferably is 1.0 to 5.0% by mass
- magnesium is 10 to 40% by mass, more preferably 10 to 30% by mass, particularly preferably 13 to 25% by mass
- halogen atoms are 20 to 89% by mass, More preferably 30 to 85% by mass, particularly preferably 40 to 75% by mass.
- the solid catalyst component (I) may further contain a reaction agent containing metals such as silicon, phosphorus, and aluminum.
- these reactants include organosilicon compounds having Si—O—C bonds, organosilicon compounds having Si—N—C bonds, phosphoric acid compounds having PO bonds, trialkylaluminums, dialkoxyaluminum chlorides, Examples thereof include organoaluminum compounds such as alkoxyaluminum dihalides and trialkoxyaluminums, and aluminum trihalides, preferably an organosilicon compound having a Si—O—C bond, an organosilicon compound having a Si—N—C bond, and an organic It is an aluminum compound.
- the solid catalyst component (I) containing such a reactant is preferable in that the obtained solid catalyst component can be improved in polymerization activity and stereoregularity.
- organosilicon compound having a Si--O--C bond and the organosilicon compound having a Si--N--C bond include exemplary organosilicon compounds represented by general formulas (5) and (6) described later and specific Since the same compounds as those mentioned above are included, the description thereof is omitted. Further, the above-mentioned organoaluminum compound includes the same specific examples as the organoaluminum compound represented by the general formula (4) described later, and thus the description thereof is omitted. One or more of these reaction reagents may be contained.
- the halogen-containing titanium compound/inert organic solvent mixture in the second step is a mixture of the halogen-containing titanium compound and the inert organic solvent, the ratio of the volume of the halogen-containing titanium compound to the volume of the inert organic solvent ( Halogen-containing titanium compound/inert organic solvent) is obtained by mixing in a mixing amount of 0.25 or more, characterized by
- the first step according to the method for producing a solid catalyst component for olefin polymerization of the present invention comprises: magnesium compound (C), halogen-containing titanium compound (D), represented by general formula (1) in the presence of an inert organic solvent. It is a step of contacting a carbonate compound (A) (component (A)) and an ether compound (B) having two or more ether groups (component (B)) with each other to obtain a contact product.
- magnesium compound (C) examples include magnesium dihalide, dialkylmagnesium, alkylmagnesium halide, dialkoxymagnesium, diaryloxymagnesium halide, alkoxymagnesium halide and fatty acid magnesium.
- component (C) examples include magnesium dihalide, dialkylmagnesium, alkylmagnesium halide, dialkoxymagnesium, diaryloxymagnesium halide, alkoxymagnesium halide and fatty acid magnesium.
- magnesium dihalide, a mixture of magnesium dihalide and dialkoxymagnesium, and dialkoxymagnesium are preferred, and dialkoxymagnesium is particularly preferred.
- dialkoxymagnesium include one or more selected from dimethoxymagnesium, diethoxymagnesium, dipropoxymagnesium, dibutoxymagnesium, ethoxymethoxymagnesium, ethoxypropoxymagnesium and butoxyethoxymagnesium. , diethoxymagnesium are particularly preferred.
- dialkoxymagnesium may be obtained by reacting metallic magnesium with a halogen-containing organic metal or the like and an alcohol.
- the above dialkoxymagnesium may be in the form of granules or powder, and the shape thereof may be amorphous or spherical.
- spherical dialkoxymagnesium it is easy to obtain a polymer powder having a better particle shape and a narrower particle size distribution. Problems such as clogging of filters in polymer separators caused by fine powder contained in the powder can be easily solved.
- the above-mentioned spherical dialkoxymagnesium does not necessarily have to be truly spherical, and ellipsoidal or potato-shaped ones can also be used.
- the circularity of the particles is preferably 3 or less, more preferably 1 to 2, even more preferably 1 to 1.5.
- the circularity of the dialkoxymagnesium particles is obtained by photographing 500 or more dialkoxymagnesium particles with a scanning electron microscope and processing the photographed particles with image analysis processing software.
- Circularity of each dialkoxymagnesium particle L2/(4 ⁇ x S) Means the arithmetic mean value when calculated by The closer the particle shape is to a perfect circle, the closer the circularity is to 1.
- the average particle size of the dialkoxymagnesium is 1 to 200 ⁇ m with an average particle size D50 (particle size of 50% of the cumulative particle size in the volume cumulative particle size distribution) measured using a laser diffraction particle size distribution analyzer. is preferred, and 5 to 150 ⁇ m is more preferred.
- the average particle size is preferably 1 to 100 ⁇ m, more preferably 5 to 70 ⁇ m, even more preferably 10 to 60 ⁇ m.
- dialkoxymagnesium it is preferable that the particle size distribution is narrow with little fine powder and coarse powder.
- dialkoxymagnesium preferably contains 20% or less, more preferably 10% or less, particles of 5 ⁇ m or less when measured using a laser diffraction particle size distribution analyzer.
- the content of particles having a diameter of 100 ⁇ m or more is preferably 10% or less, more preferably 5% or less, as measured using a laser diffraction particle size distribution analyzer.
- the particle size distribution is ln (D90/D10) (here, D90 is the cumulative particle size of 90% in the volume cumulative particle size distribution, and D10 is the cumulative particle size of 10% in the volume cumulative particle size distribution.) is preferably 3 or less, more preferably 2 or less.
- the dialkoxymagnesium may be used singly or in combination of two or more.
- Methods for producing spherical dialkoxymagnesium as described above include, for example, JP-A-58-4132, JP-A-62-51633, JP-A-3-74341, JP-A-4-368391, This is exemplified in Japanese Patent Laid-Open No. 8-73388.
- component (C) can be either a magnesium compound in solution or a suspension of magnesium compound.
- component (C) When component (C) is solid, it is dissolved in a solvent capable of solubilizing component (C) to form a magnesium compound in the form of a solution, or in a solvent not capable of solubilizing component (C). It is suspended and used as a magnesium compound suspension.
- component (C) When the component (C) is liquid, it can be used as a magnesium compound in solution as it is, or it can be dissolved in a solvent capable of solubilizing the magnesium compound and used as a magnesium compound in solution.
- halogen-containing titanium compound (D) (hereinafter sometimes referred to as "component (D)"), for example, general formula (7): Ti(OR 17 ) j X 4-j (7) (R 17 is a hydrocarbon group having 1 to 10 carbon atoms, and when there are a plurality of OR 17 groups, the plurality of R 17 may be the same or different, X is a halogen group, X are present, each X may be the same or different, and j is an integer of 0 or 1 to 4.)
- a tetravalent titanium compound represented by can be mentioned.
- the tetravalent titanium compound represented by the general formula (7) is one or more compounds selected from alkoxytitanium, titanium halide or alkoxytitanium halide group.
- titanium tetrahalides such as titanium tetrafluoride, titanium tetrachloride, titanium tetrabromide and titanium tetraiodide
- alkoxytitanium halides such as methoxytitanium trichloride, ethoxytitanium trichloride, propoxytitanium trichloride and n-butoxy.
- Alkoxytitanium trihalides such as titanium trichloride, dialkoxytitanium dihalides such as dimethoxytitanium dichloride, diethoxytitanium dichloride, dipropoxytitanium dichloride, di-n-butoxytitanium dichloride, trimethoxytitanium chloride, triethoxytitanium chloride, and trialkoxytitanium halides such as tripropoxytitanium chloride and tri-n-butoxytitanium chloride.
- halogen-containing titanium compounds are preferably used, and titanium tetrahalides such as titanium tetrachloride, titanium tetrabromide and titanium tetraiodide are preferred, and titanium tetrachloride is particularly preferred.
- titanium tetrahalides such as titanium tetrachloride, titanium tetrabromide and titanium tetraiodide are preferred, and titanium tetrachloride is particularly preferred.
- These titanium compounds may be used alone or in combination of two or more.
- these tetravalent titanium compounds represented by the general formula (7) may be diluted with a hydrocarbon compound, a halogenated hydrocarbon compound, or the like before use.
- Halogen compounds other than component (D) include tetravalent halogen-containing silicon compounds. More specifically, tetrachlorosilane (silicon tetrachloride), silane tetrahalides such as tetrabromosilane, methoxytrichlorosilane, ethoxytrichlorosilane, propoxytrichlorosilane, n-butoxytrichlorosilane, dimethoxydichlorosilane, diethoxydichlorosilane, Halogenated silanes containing alkoxy groups such as dipropoxydichlorosilane, di-n-butoxydichlorosilane, trimethoxychlorosilane, triethoxychlorosilane, tripropoxychlorosilane and tri-n-butoxychlorosilane can be mentioned.
- the inert organic solvent used in the first step is not particularly limited.
- examples of such inert organic solvents include linear aliphatic hydrocarbon compounds such as hexane, heptane and decane; branched aliphatic hydrocarbon compounds such as methylheptane; Aromatic hydrocarbon compounds such as hydrogen compounds, toluene, xylene, ethylbenzene, and the like are included.
- the inert organic solvent may be used singly or in combination of two or more.
- toluene is preferable in that the by-product alkoxytitanium can be easily removed.
- the components (A) and (B) used in the first step are the same as the components (A) and (B) of the solid catalyst component (I) above, and description thereof is omitted.
- an internal electron donating compound (E) other than the components (A) and (B) may be brought into contact.
- the internal electron-donating compound (E) other than the components (A) and (B), which is optionally used in the first step is the same as the electron-donating compound (E) of the solid catalyst component (I). , the description of which is omitted.
- the component (F) may be brought into contact, if necessary.
- Component (F), which is optionally used in the first step is the same as component (F) of solid catalyst component (I) above, and description thereof is omitted.
- component (A), component (B), component (C), component (D), and optionally component (E) and and/or component (F) are brought into contact with each other to obtain a contact product.
- the contact amount of the halogen-containing titanium compound (D) is preferably 1.00 to 4.00 mol, more preferably 2.00 to 3.00 mol, per 1.00 mol of the magnesium compound (C). is.
- the catalyst has a narrow particle size distribution.
- the total contact amount of the internal electron donating compound is preferably 0.10 to 0.35 mol, more preferably 0.12 to 0.30 mol, per 1.00 mol of the magnesium compound (C). be.
- the contact amount of all the internal electron donating compounds is within the above range, the catalyst has good particle size distribution and bulk density.
- the contact amount of all internal electron-donating compounds refers to the total number of moles of all internal electron-donating compounds.
- two or more ether groups occupying the total contact amount of the carbonate compound (A) represented by the general formula (1) and the contact amount of the ether compound (B) having two or more ether groups are The contact amount ratio of the ether compound (B) having is 25.0 to 80.0 mol%, preferably 30.0 to 75.0 mol%, more preferably 35.0 to 70.0 mol%.
- the ratio of the contact amount of component (B) to the sum of the contact amount of component (A) and the contact amount of component (B) is within the above range, the molecular weight distribution of the olefin polymer is improved in the polymerization of olefins. can be appropriately widened and the catalytic activity can be enhanced.
- the ratio of the contact amount of component (B) to the sum of the contact amount of component (A) and the contact amount of component (B) is the number of moles of the contact amount of component (A) and the contact amount of component (B). is the percentage (mol%) of the number of moles of component (B) to the total number of moles of
- the contact amount of the carbonate compound (A) represented by the general formula (1) and the contact amount of the ether compound (B) having two or more ether groups is the magnesium compound (C)1. It is preferably 0.08 to 0.30 mol, more preferably 0.10 to 0.25 mol, per 00 mol.
- the catalyst has good particle size distribution and bulk density.
- the sum of the contact amount of component (A) and the contact amount of component (B) refers to the sum of the number of moles of the contact amount of component (A) and the number of moles of the contact amount of component (B).
- the contact amount of the carbonate compound (A) represented by the general formula (1) and the contact amount of the ether compound (B) having two or more ether groups, which account for the contact amount of the entire internal electron-donating compound. is preferably 90 mol % or more, more preferably 100 mol %.
- the ratio of the sum of the contact amount of component (A) and the contact amount of component (B) to the contact amount of all internal electron donating compounds is within the above range, a catalyst having high polymerization activity and high stereoregularity can be obtained. .
- the ratio of the sum of the contact amount of component (A) and the contact amount of component (B) to the contact amount of all internal electron-donating compounds is the total number of moles of the contact amount of the internal electron-donating compound. It is the total percentage (mol%) of the number of moles of the contact amount of (A) and the number of moles of the contact amount of component (B).
- the amount of the inert organic solvent used is not particularly limited, but the volume ratio of the halogen-containing titanium compound (D) to the volume of the inert organic solvent (halogen-containing titanium compound (D)/inert organic solvent ), preferably 0.1 to 10, more preferably 0.2 to 5.0.
- the catalyst has good particle size distribution and bulk density.
- polysiloxane when polysiloxane is contacted, it is preferable to contact 0.01 to 100 g of polysiloxane (F), preferably 0.05 to 80 g, per 1.00 mol of magnesium compound (C). is more preferable, and 1 to 50 g is even more preferable.
- F polysiloxane
- C magnesium compound
- the contact temperature when the components are brought into contact with each other is preferably 50 to 160°C, more preferably 80 to 130°C, still more preferably 95 to 115°C.
- the contact temperature in the first step is within the above range, it is possible to obtain a solid catalyst component capable of producing an olefin polymer having high stereoregularity without excessively decreasing polymerization activity.
- the method of contacting each component includes, for example, a method of co-grinding a non-reducing solid magnesium compound, component (A), component (B), and titanium halide, and adding an adduct such as alcohol.
- a method of contacting a magnesium halide compound having, component (A), component (B) and titanium halide in the presence of an inert hydrocarbon solvent, dialkoxymagnesium, component (A), component (B) and titanium halide in the presence of an inert hydrocarbon solvent and a method of contacting a reducing magnesium compound, component (A), component (B) and titanium halide to deposit a solid catalyst.
- the component (A) and the component (B) may be used during the same reaction, or may be used sequentially. Furthermore, the contact may be carried out in the coexistence of other reactants such as silicon, phosphorus, aluminum and the like, or surfactants.
- the intermediate washing step is a step of contacting and washing the contact product with an inert organic solvent to obtain a washed contact product.
- the contact product obtained in the first step is brought into contact with an inert organic solvent to wash the contact product.
- the amount of the inert organic solvent used in the intermediate washing step is not particularly limited, and is appropriately selected according to the amount of each component used.
- the washing temperature for washing the contact product is not particularly limited and may be selected as appropriate.
- the washing liquid is separated by, for example, decantation or centrifugation to obtain a washed product of the contact product.
- the number of operations of contacting the contact product with the inert organic solvent and separating the washing liquid is one or more, and is appropriately selected.
- the inert organic solvent used in the intermediate washing step is not particularly limited.
- examples of such inert organic solvents include linear aliphatic hydrocarbon compounds such as hexane, heptane and decane; branched aliphatic hydrocarbon compounds such as methylheptane; Aromatic hydrocarbon compounds such as hydrogen compounds, toluene, xylene, ethylbenzene, and the like are included.
- the inert organic solvent may be used singly or in combination of two or more. Toluene is preferred as the inert organic solvent used in the washing step.
- the second step is a step of contacting the washed contact product with a "halogen-containing titanium compound/inert organic solvent mixture" at least once to obtain a solid catalyst component for olefin polymerization.
- the washed contact product is brought into contact with a mixture of a halogen-containing titanium compound and an inert organic solvent (halogen-containing titanium compound/inert organic solvent mixture).
- the "halogen-containing titanium compound/inert organic solvent mixture” is used for contacting the washed product of the contact product with the halogen-containing titanium compound (D) and treating the contact product with the halogen-containing titanium compound (D). Liquid.
- the halogen-containing titanium compound/inert organic solvent mixture is a mixture of the halogen-containing titanium compound (D) and an inert organic solvent.
- the halogen-containing titanium compound (D) and the inert organic solvent are mixed in the ratio of the volume of the halogen-containing titanium compound (D) to the volume of the inert organic solvent ( Halogen-containing titanium compound (D)/inert organic solvent) is mixed in a mixing amount of 0.25 or more, preferably 0.35 to 2.00, more preferably 0.50 to 1.00, and halogen-containing titanium A compound/inert organic solvent mixture is obtained.
- the ratio of the volume of component (D) to the volume of the inert organic solvent is within the above range.
- the inert organic solvent used in the second step is not particularly limited.
- examples of such inert organic solvents include linear aliphatic hydrocarbon compounds such as hexane, heptane and decane; branched aliphatic hydrocarbon compounds such as methylheptane; Aromatic hydrocarbon compounds such as hydrogen compounds, toluene, xylene, ethylbenzene, and the like are included.
- the inert organic solvent may be used singly or in combination of two or more.
- toluene is preferable in terms of easy removal of alkoxytitanium, which is a by-product.
- the inert organic solvent used in the first step, the inert organic solvent used in the washing step, and the inert organic solvent used in the second step may be the same or different.
- the contact temperature at which the halogen-containing titanium compound/inert organic solvent mixture is brought into contact with the contact product is preferably 50 to 160°C, more preferably 80 to 130°C, and still more preferably 95 to 115. °C.
- the contact temperature in the contact treatment in the second step is within the above range, it is possible to obtain a solid catalyst component capable of producing an olefin polymer having high stereoregularity while preventing the polymerization activity from becoming too low. can.
- a contact treatment is performed at least once in which the washed product of the contact product is brought into contact with the halogen-containing titanium compound/inert organic solvent mixture. That is, in the second step, the contact treatment of bringing the halogen-containing titanium compound/inert organic solvent mixture into contact with the washed product of the contact product may be performed only once. Further, in the second step, after performing the first contact treatment in which the washed product of the contact product is brought into contact with the halogen-containing titanium compound/inert organic solvent mixed solution, the contact product obtained by the first contact treatment is A second contact treatment may be performed by contacting the obtained washed product with a halogen-containing titanium compound/inert organic solvent mixture (first contact treatment ⁇ washing treatment ⁇ second contact treatment).
- the obtained contact product is washed and contacted. and the treatment may be repeated twice or more (first contact treatment ⁇ cleaning treatment ⁇ second contact treatment ⁇ . . . ⁇ cleaning treatment ⁇ n-th contact treatment).
- the number of contact treatments is preferably 2 to 6 times.
- the inert organic solvent used in the cleaning treatment is not particularly limited.
- examples of such inert organic solvents include linear aliphatic hydrocarbon compounds such as hexane, heptane and decane; branched aliphatic hydrocarbon compounds such as methylheptane; Aromatic hydrocarbon compounds such as hydrogen compounds, toluene, xylene, ethylbenzene, and the like are included.
- the inert organic solvent may be used singly or in combination of two or more.
- heptane is preferred.
- the washing liquid is separated by, for example, decantation, centrifugation, etc., and the washed material is obtained. obtain.
- a solid catalyst component for olefin polymerization is obtained by subjecting the washed contact product to contact treatment with a halogen-containing titanium compound/inert organic solvent mixed solution a predetermined number of times.
- the solid catalyst component for olefin polymerization obtained by the second step is appropriately washed, dried, classified, etc. to obtain a solid catalyst component for olefin polymerization product.
- the solid catalyst component for olefin polymerization of the present invention and the solid catalyst component for olefin polymerization obtained by the method for producing the solid catalyst component for olefin polymerization of the present invention as the solid catalyst component of the catalyst for olefin polymerization are used as the solid catalyst component of the catalyst for olefin polymerization. Therefore, in the polymerization of olefins, the molecular weight distribution (Mw/Mn) of the obtained olefin polymer can be moderately widened to about 5.0 to 6.0, and the catalytic activity can be increased. can.
- the method for producing an olefin polymerization catalyst according to the first embodiment of the present invention includes (I) the solid catalyst component for olefin polymerization of the present invention or the olefins obtained by the method for producing the solid catalyst component for olefin polymerization of the present invention.
- component (G) organoaluminum compound
- the second embodiment of the method for producing an olefin polymerization catalyst of the present invention comprises (I) the solid catalyst component for olefin polymerization of the present invention or the olefins obtained by the method for producing the solid catalyst component for olefin polymerization of the present invention.
- contacting a solid catalyst component for polymerization, (II) an organoaluminum compound (component (G)), and (III) an external electron donating compound (hereinafter sometimes simply referred to as "component (H)"); is a method for producing an olefin polymerization catalyst, characterized by obtaining an olefin polymerization catalyst.
- the solid catalyst component for olefin polymerization of the present invention or the solid catalyst component for olefin polymerization (I) obtained by the method for producing the solid catalyst component for olefin polymerization of the present invention has the Si—O—C bond.
- an organosilicon compound, an organosilicon compound having a Si—N—C bond, or the above organoaluminum compound (reactant) is contained, the use of component (H) can be omitted. This is because the catalyst formed from the solid catalyst component and organoaluminum exhibits excellent performance in terms of polymerization activity and hydrogen responsiveness without using component (H).
- the organoaluminum compound is not particularly limited as long as it is a compound represented by the general formula (4).
- R 11 is preferably an ethyl group or an isobutyl group, and Q is a hydrogen atom or chlorine.
- An atom, a bromine atom, an ethoxy group and a phenoxy group are preferred, and p is preferably 2, 2.5 or 3, particularly preferably 3.
- organoaluminum compounds include trialkylaluminums such as triethylaluminum, triisopropylaluminum, tri-n-butylaluminum, tri-n-hexylaluminum and triisobutylaluminum, diethylaluminum chloride, and diethylaluminum bromide.
- alkylaluminum halides such as diethylaluminum chloride and trialkylaluminums such as triethylaluminum, tri-n-butylaluminum and triisobutylaluminum are preferably used, particularly Preferred are triethylaluminum and triisobutylaluminum.
- these aluminum compounds can be used.
- External electron-donating compounds include organic compounds containing an oxygen atom or a nitrogen atom, such as alcohols, phenols, ethers, esters, ketones, acid halides, aldehydes, and amines. , amides, nitriles, isocyanates, organosilicon compounds, among others, organosilicon compounds having Si--O--C bonds and aminosilane compounds having Si--N--C bonds.
- esters such as ethyl benzoate, ethyl p-methoxybenzoate, ethyl p-ethoxybenzoate, methyl p-toluate, ethyl p-toluate, methyl anisate, and ethyl anisate , 1,3-diethers, organosilicon compounds containing Si--O--C bonds, aminosilane compounds containing Si--N--C bonds are preferred, organosilicon compounds having Si--O--C bonds, Si--N--- Aminosilane compounds having a C bond and 1,3-diethers having a substituent at the 2-position are particularly preferred.
- the organosilicon compound having a Si—O—C bond is represented by the following general formula (5); R 12 q Si(OR 13 ) 4-q (5) (wherein R 12 is an alkyl group having 1 to 12 carbon atoms, a vinyl group, an allyl group, an aralkyl group, a cycloalkyl group having 3 to 12 carbon atoms, a phenyl group, an alkylamino group having 1 to 12 carbon atoms, any one of 1 to 12 dialkylamino groups, q is an integer satisfying 0 ⁇ q ⁇ 3, and when q is 2 or more, multiple R 12 may be the same or different, R 13 carbon an alkyl group having 1 to 4 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, a phenyl group, a vinyl group, an allyl group, or an aralkyl group, and a plurality of R 13 may be the same or different). Examples include
- the aminosilane compound having a Si—N—C bond is represented by the general formula (6); (R 14 R 15 N) s SiR 16 4-s (6) (wherein R 14 and R 15 are hydrogen atoms, alkyl groups having 1 to 20 carbon atoms, vinyl groups, alkenyl groups having 3 to 20 carbon atoms, cycloalkyl groups or cycloalkenyl groups having 3 to 20 carbon atoms, or an aryl group of 6 to 20, R 14 and R 15 may be the same or different, and may be combined to form a ring, R 16 is an alkyl group having 1 to 20 carbon atoms, a vinyl group, It represents an alkenyl group having 3 to 12 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms, and when there are a plurality of R 16 , the plurality of R 16 may be the same or different.
- s is an alkyl group having 1 to 20
- organosilicon compound represented by the general formula (5) or (6) examples include phenylalkoxysilanes, alkylalkoxysilanes, phenylalkylalkoxysilanes, cycloalkylalkoxysilanes, alkyl(cycloalkyl)alkoxysilanes, (alkylamino )alkoxysilane, alkyl(alkylamino)alkoxysilane, cycloalkyl(alkylamino)alkoxysilane, tetraalkoxysilane, tetrakis(alkylamino)silane, alkyltris(alkylamino)silane, dialkylbis(alkylamino)silane, trialkyl (Alkylamino)silane and the like can be mentioned.
- examples of the 1,3-diethers having a substituent at the 2-position include those similar to the component (B) of the internal electron donating compound.
- the olefin polymerization catalyst obtained by the method for producing an olefin polymerization catalyst of the present invention can moderately broaden the molecular weight distribution of the olefin polymer and increase the catalytic activity in the polymerization of olefins. be able to.
- the method for producing an olefin polymer of the present invention is characterized by polymerizing olefins using the olefin polymerization catalyst obtained by the method for producing an olefin polymerization catalyst of the present invention.
- the polymerization catalyst is isolated and contacted with olefins, or the olefin polymerization catalyst is produced by the method for producing an olefin polymerization catalyst of the present invention and then contacted with olefins as it is (without isolation). It can be subjected to polymerization treatment by
- the polymerization of olefins may be homopolymerization or copolymerization of olefins, random copolymerization or block copolymerization.
- the olefins to be polymerized include at least one selected from ethylene, propylene, 1-butene, 1-pentene, 4-methyl-1-pentene, vinylcyclohexane, 1-hexene, 1,5-hexadiene, and the like.
- ethylene, propylene, 4-methyl-1-pentene, 1-hexene and 1,5-hexadiene are preferred, and ethylene and propylene are particularly preferred.
- olefins to be copolymerized with propylene include ethylene, 1-butene, 1-pentene, 4-methyl-1- One or more selected from pentene, vinylcyclohexane and the like can be mentioned, and ethylene and 1-butene are particularly preferable.
- propylene-ethylene block copolymerization in which propylene and ethylene are copolymerized in a second stage (second polymerization tank) or more stages (multistage polymerization tank) can be mentioned.
- the polymerization temperature of the olefins is preferably room temperature or higher and 200°C or lower, more preferably room temperature or higher and 100°C or lower. In addition, room temperature here means 20 degreeC.
- the polymerization pressure of olefins is preferably 10 MPa or less, more preferably 6 MPa or less.
- Olefins may be polymerized by a continuous polymerization method or by a batch polymerization method. Furthermore, the polymerization reaction may be carried out in one stage or in multiple stages of two or more stages.
- the polymerization atmosphere may be either an inert gas atmosphere or a gas atmosphere of the olefins to be polymerized such as propylene.
- an olefin polymer having a moderately wide molecular weight distribution (Mw/Mn) of about 5.0 to 6.0 can be obtained, and the catalytic activity is high.
- titanium atom content in solid catalyst component The titanium atom content in the solid catalyst component was measured according to the method (oxidation-reduction titration) described in JIS 8311-1997 "Method for quantifying titanium in titanium ore".
- the content of the internal electron donating compound contained in the solid catalyst component was obtained by measuring under the following conditions using gas chromatography (GC-2014, manufactured by Shimadzu Corporation). Further, the number of moles of each component (each internal electron-donating compound) was obtained from the results of gas chromatography using a calibration curve measured in advance at known concentrations.
- Titanium content, (2-ethoxyethyl)ethyl carbonate (EEECA) (A) content and 2-isopropyl-2-isopentyl-1,3-dimethoxypropane (IIDMP) ( B) Content was measured. Table 1 shows the results.
- the bulk density (BD) of the polymer was measured according to JIS K-6721:1997.
- MFR Melt flow rate
- Mw/Mn molecular weight distribution
- the molecular weight distribution of the polymer is determined by gel permeation chromatography (GPC) (Alliance GPC/V2000 manufactured by Waters) under the following conditions and the ratio Mw/Mn of the weight average molecular weight Mw and the number average molecular weight Mn. evaluated.
- Solvent o-dichlorobenzene (ODCB) Measurement temperature: 140°C Column: Showa Denko UT-806 x 3, HT-803 x 1 Sample concentration: 1 mg/mL-ODCB (10 mg/10 mL-ODCB) Injection volume: 0.5 mL Flow rate: 1.0 mL/min
- Example 2 ⁇ Synthesis of solid catalyst component> Example 1 except that 2-isopropyl-2-isopentyl-1,3-dimethoxypropane (IIDMP) (B) was replaced with 5.80 mmol (1.26 g) and 4.04 mmol (0.87 g) A solid catalyst component was obtained in the same manner as in . The titanium content, EEECA (A) content and IIDMP (B) content in the obtained solid catalyst component were measured. Table 1 shows the results. ⁇ Formation of polymerization catalyst and evaluation of propylene homopolymerization> It was carried out in the same manner as in Example 1. Table 1 shows the results.
- IIDMP 2-isopropyl-2-isopentyl-1,3-dimethoxypropane
- Example 3 ⁇ Synthesis of solid catalyst component> Example 1, except that 2-isopropyl-2-isopentyl-1,3-dimethoxypropane (IIDMP) (B) was replaced with 5.80 mmol (1.26 g) and 5.40 mmol (1.17 g)
- IIDMP 2-isopropyl-2-isopentyl-1,3-dimethoxypropane
- a solid catalyst component was obtained in the same manner as in .
- the titanium content, EEECA (A) content and IIDMP (B) content in the obtained solid catalyst component were measured. Table 1 shows the results.
- ⁇ Formation of polymerization catalyst and evaluation of propylene homopolymerization> It was carried out in the same manner as in Example 1. Table 1 shows the results.
- Example 2 shows the results. ⁇ Formation of polymerization catalyst and evaluation of propylene homopolymerization> It was carried out in the same manner as in Example 1. Table 2 shows the results.
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Abstract
Description
R1-O-C(=O)-O-Z-O-R2 (1)
(式中、R1及びR2は、炭素数1~24の炭化水素基若しくは置換炭化水素基またはヘテロ原子含有基を示し、互いに同一であっても異なっていてもよく、Zは炭素原子又は炭素鎖を介して結合する結合性基を示す。)
で表されるカーボネート化合物(A)及び2つ以上のエーテル基を有するエーテル化合物(B)を含有することを特徴とするオレフィン類重合用固体触媒成分が開示されている。
(1)マグネシウム、チタン、ハロゲン、下記一般式(1):
R1-O-C(=O)-O-Z-O-R2 (1)
(式中、R1及びR2は、炭素数1~24の炭化水素基若しくは置換炭化水素基又はヘテロ原子含有基を示し、互いに同一であっても異なっていてもよく、Zは炭素原子又は炭素鎖を介して結合する結合性基を示す。)
で表されるカーボネート化合物(A)及び2つ以上のエーテル基を有するエーテル化合物(B)を含有し、
該カーボネート化合物(A)及び該エーテル化合物(B)の合計に占める該エーテル化合物(B)の割合が、33.0~80.0mol%であること、
を特徴とするオレフィン類重合用固体触媒成分、
(2)前記エーテル化合物(B)が、1,3-ジエーテルであることを特徴とする(1)のオレフィン類重合用固体触媒成分、
(3)前記エーテル化合物(B)が、2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン、2-イソプロピル-2-イソブチル-1,3-ジメトキシプロパン又は9,9-ビス(メトキシメチル)フルオレンであることを特徴とする(1)又は(2)のオレフィン類重合用固体触媒成分、
(4)マグネシウム化合物、ハロゲン含有チタン化合物、下記一般式(1):
R1-O-C(=O)-O-Z-O-R2 (1)
(式中、R1及びR2は、炭素数1~24の炭化水素基若しくは置換炭化水素基またはヘテロ原子含有基を示し、互いに同一であっても異なっていてもよく、Zは炭素原子又は炭素鎖を介して結合する結合性基を示す。)
で表されるカーボネート化合物(A)及び2つ以上のエーテル基を有するエーテル化合物(B)を相互に接触させて、接触生成物を得る第1工程と、
該接触生成物を、不活性有機溶媒と接触させて洗浄し、接触生成物の洗浄物を得る中間洗浄工程と、
該接触生成物の洗浄物に対し、ハロゲン含有チタン化合物/不活性有機溶媒混合液との接触処理を、少なくとも1回行い、オレフィン類重合用固体触媒成分を得る第2工程と、を有し、
該第1工程における該カーボネート化合物(A)の接触量及び該エーテル化合物(B)の接触量の合計に占める該エーテル化合物(B)の接触量の割合が、25.0~80.0mol%であり、
該第2工程における該ハロゲン含有チタン化合物/不活性有機溶媒混合液は、該ハロゲン含有チタン化合物と不活性有機溶媒とを、該不活性有機溶媒の体積に対する該ハロゲン含有チタン化合物の体積の比(ハロゲン含有チタン化合物/不活性有機溶媒)が0.25以上となる混合量で混合して得られること、
を特徴とするオレフィン類重合用固体触媒成分の製造方法、
(5)前記カーボネート化合物(A)の接触量及び前記エーテル化合物(B)の接触量の合計が、マグネシウム化合物1.00モル当たり、0.08~0.30モルであることを特徴とする(4)のオレフィン類重合用固体触媒成分の製造方法、
(6)前記第2工程において、前記接触生成物に対する前記ハロゲン含有チタン化合物/不活性有機溶媒混合液の接触処理の回数が2~6回であることを特徴とする(4)又は(5)のオレフィン類重合用固体触媒成分の製造方法、
(7)(I)(1)~(3)のいずれかのオレフィン類重合用固体触媒成分又は(4)~(6)のいずれかのオレフィン類重合用固体触媒成分の製造方法により得られるオレフィン類重合用固体触媒成分、及び(II)下記一般式(4):
R11 pAlQ3-p (4)
(式中、R11は炭素数1~6のアルキル基を示し、Qは水素原子あるいはハロゲンを示し、pは0<p≦3の実数で、複数のR11は同一であっても異なっていてもよい。)
で表わされる有機アルミニウム化合物を相互に接触させることにより、オレフィン類重合用触媒を得ることを特徴とするオレフィン類重合用触媒の製造方法、
(8)(I)(1)~(3)のいずれかのオレフィン類重合用固体触媒成分又は(4)~(6)のいずれかのオレフィン類重合用固体触媒成分の製造方法により得られるオレフィン類重合用固体触媒成分、(II)下記一般式(4):
R11 pAlQ3-p (4)
(式中、R11は炭素数1~6のアルキル基を示し、Qは水素原子あるいはハロゲンを示し、pは0<p≦3の実数で、複数のR11は同一であっても異なっていてもよい。)
で表わされる有機アルミニウム化合物、及び(III)外部電子供与性化合物を相互に接触させることにより、オレフィン類重合用触媒を得ることを特徴とするオレフィン類重合用触媒の製造方法、
(9)(7)又は(8)のオレフィン類重合用触媒の製造方法により得られるオレフィン類重合用触媒を用いてオレフィン類の重合を行なうことを特徴とするオレフィン類重合体の製造方法、
を提供するものである。
本発明のオレフィン類重合用固体触媒成分は、マグネシウム、チタン、ハロゲン、下記一般式(1):
R1-O-C(=O)-O-Z-O-R2 (1)
(式中、R1およびR2は、炭素数1~24の炭化水素基若しくは置換炭化水素基またはヘテロ原子含有基を示し、互いに同一であっても異なっていてもよく、Zは炭素原子又は炭素鎖を介して結合する結合性基を示す。)
で表されるカーボネート化合物(A)および2つ以上のエーテル基を有するエーテル化合物(B)を含有し、
該カーボネート化合物(A)及び該エーテル化合物(B)の合計に占める該エーテル化合物(B)の割合が、33.0~80.0mol%であること、
を特徴とする。
-CR3R4CR5R6- (2)
(式中、R3~R6は水素原子、ハロゲン原子、炭素数1~12のアルキル基、ビニル基、炭素数3~12のアルケニル基、炭素数3~12のシクロアルキル基あるいはシクロアルケニル基、炭素数6~12の芳香族炭化水素基、置換基を有する炭素数7~12の芳香族炭化水素基を示し、同一または異なっていてもよく、互いに結合して環を形成してもよい。)
で表される基であり、この中、R3~R6は水素原子か、あるいは炭素数1~12のアルキル基が好ましい。
R7-O-CH2CR8R9CH2-O-R10 (3)
(式中、R8及びR9は水素原子、ハロゲン原子、炭素数1~12のアルキル基、ビニル基、炭素数3~12のアルケニル基、炭素数3~12のシクロアルキル基あるいはシクロアルケニル基、炭素数6~12の芳香族炭化水素基あるいはハロゲン置換芳香族炭化水素基、置換基を有する炭素数7~12の芳香族炭化水素基、炭素数1~12のアルキルアミノ基または炭素数2~12のジアルキルアミノ基を示し、同一または異なっていてもよく、互いに結合して環を形成してもよい。R7及びR10は炭素数1~12のアルキル基、ビニル基、炭素数3~12のアルケニル基、炭素数3~6のシクロアルキル基、炭素数6~12の芳香族炭化水素基あるいはハロゲン置換芳香族炭化水素基又は置換基を有する炭素数7~12の芳香族炭化水素基を示し、同一または異なっていてもよい。)
で表される化合物が挙げられる。
本発明のオレフィン類重合用固体触媒成分の製造方法は、マグネシウム化合物、ハロゲン含有チタン化合物、下記一般式(1):
R1-O-C(=O)-O-Z-O-R2 (1)
(式中、R1およびR2は、炭素数1~24の炭化水素基若しくは置換炭化水素基またはヘテロ原子含有基を示し、互いに同一であっても異なっていてもよく、Zは炭素原子又は炭素鎖を介して結合する結合性基を示す。)
で表されるカーボネート化合物(A)及び2つ以上のエーテル基を有するエーテル化合物(B)を相互に接触させて、接触生成物を得る第1工程と、
該接触生成物を、不活性有機溶媒と接触させて洗浄し、接触生成物の洗浄物を得る中間洗浄工程と、
該接触生成物の洗浄物に対し、「ハロゲン含有チタン化合物/不活性有機溶媒混合液」との接触処理を、少なくとも1回行い、オレフィン類重合用固体触媒成分を得る第2工程と、
を有し、
該第1工程における該カーボネート化合物(A)の接触量及び該エーテル化合物(B)の接触量の合計に占める該エーテル化合物(B)の接触量の割合が、25.0~80.0mol%であり、
該第2工程における該ハロゲン含有チタン化合物/不活性有機溶媒混合液は、該ハロゲン含有チタン化合物と不活性有機溶媒とを、該不活性有機溶媒の体積に対する該ハロゲン含有チタン化合物の体積の比(ハロゲン含有チタン化合物/不活性有機溶媒)が0.25以上となる混合量で混合して得られること、
を特徴とする。
各ジアルコキシマグネシウム粒子の円形度=L2/(4π×S)
により算出したときの算術平均値を意味する。粒子の形状が真円に近づくほど、円形度は1に近い値を示す。
Ti(OR17)jX4-j (7)
(R17は、炭素数1~10の炭化水素基であり、OR17基が複数存在する場合、複数のR17は同一であっても異なっていてもよく、Xはハロゲン基であり、Xが複数存在する場合、各Xは同一であっても異なっていてもよく、jは0または1~4の整数である。)
で表わされる4価のチタン化合物を挙げることができる。
(2)ジアルキルマグネシウム等の有機マグネシウム化合物と、有機アルミニウム化合物を、炭化水素溶媒の存在下、アルコールと接触反応させて均一溶液とし、この溶液に四塩化ケイ素等のケイ素化合物を接触させて固体生成物を得、次いで芳香族炭化水素溶媒の存在下で該固体生成物に、ハロゲン化チタン、成分(A)及び成分(B)を接触反応させた後、更に四塩化チタンを接触させて接触生成物を得る方法。
接触生成物の洗浄を行うときの洗浄温度は、特に制限されず、適宜選択されるが、例えば、25~100℃である。中間洗浄工程では、接触生成物に、不活性有機溶媒を接触させた後、例えば、デカンテーション、遠心分離等により、洗浄液を分離して、接触生成物の洗浄物を得る。また、中間洗浄工程では、接触生成物と不活性有機溶媒の接触及び洗浄液の分離の操作の回数は、1回以上であり、適宜選択される。
本発明の第一の形態のオレフィン類重合用触媒の製造方法は、(I)本発明のオレフィン類重合用固体触媒成分又は本発明のオレフィン類重合用固体触媒成分の製造方法により得られるオレフィン類重合用固体触媒成分、及び(II)有機アルミニウム化合物(以下、単に「成分(G)」ということがある。)を相互に接触させることにより、オレフィン類重合用触媒を得ることを特徴とするオレフィン類重合用触媒の製造方法である。本発明の第二の形態のオレフィン類重合用触媒の製造方法は、(I)本発明のオレフィン類重合用固体触媒成分又は本発明のオレフィン類重合用固体触媒成分の製造方法により得られるオレフィン類重合用固体触媒成分、(II)有機アルミニウム化合物(成分(G))、及び(III)外部電子供与性化合物(以下、単に「成分(H)」ということがある。)を相互に接触させることにより、オレフィン類重合用触媒を得ることを特徴とするオレフィン類重合用触媒の製造方法である。なお、本発明のオレフィン類重合用固体触媒成分又は本発明のオレフィン類重合用固体触媒成分の製造方法により得られるオレフィン類重合用固体触媒成分(I)が、上記Si-O-C結合を有する有機ケイ素化合物、Si-N-C結合を有する有機ケイ素化合物又は上記有機アルミニウム化合物(反応試剤)を含む場合、成分(H)の使用を省略することができる。成分(H)を使用せずとも、固体触媒成分と、有機アルミニウムで形成される触媒が、重合活性や水素応答性に優れた性能を示すからである。
R12 qSi(OR13)4-q (5)
(式中、R12は炭素数1~12のアルキル基、ビニル基、アリル基、アラルキル基、炭素数3~12のシクロアルキル基、フェニル基、炭素数1~12のアルキルアミノ基、炭素数1~12のジアルキルアミノ基のいずれかであり、qは0<q≦3の整数で、qが2以上の場合、複数のR12は同一であっても異なっていてもよい。R13炭素数1~4のアルキル基、炭素数3~6のシクロアルキル基、フェニル基、ビニル基、アリル基、アラルキル基を示し、複数のR13は同一であっても異なっていてもよい。)で表される有機ケイ素化合物が挙げられる。
(R14R15N)sSiR16 4-s (6)
(式中、R14とR15は水素原子、炭素数1~20のアルキル基、ビニル基、炭素数3~20のアルケニル基、炭素数3~20のシクロアルキル基あるいはシクロアルケニル基または炭素数6~20のアリール基を示し、R14とR15は同一でも異なってもよく、また互いに結合して環を形成してもよい。R16は炭素数1~20のアルキル基、ビニル基、炭素数3~12のアルケニル基、炭素数3~20のシクロアルキル基、または炭素数6~20のアリール基を示し、R16が複数ある場合、複数のR16は同一でも異なってもよい。sは1から3の整数である。)で表わされるアミノシラン化合物が挙げられる。
本発明のオレフィン類重合体の製造方法は、本発明のオレフィン類重合用触媒の製造方法により得られるオレフィン類重合用触媒を用いてオレフィン類の重合を行なうことを特徴とする。本発明のオレフィン類重合用触媒の製造方法により得られるオレフィン類重合用触媒を用いてオレフィン類を重合する場合、本発明のオレフィン類重合用触媒の製造方法でオレフィン類重合用触媒を製造した後に、重合用触媒を単離してオレフィン類と接触させるか、あるいは、本発明のオレフィン類重合用触媒の製造方法によりオレフィン類重合用触媒を製造した後にそのまま(単離することなく)オレフィン類と接触させることにより、重合処理に供することができる。
固体触媒成分中のチタン原子含有量は、JIS 8311-1997「チタン鉱石中のチタン定量方法」に記載の方法(酸化還元滴定)に準じて測定した。
固体触媒成分中に含まれる内部電子供与性化合物の含有量は、ガスクロマトグラフィー((株)島津製作所製、GC-2014)を用いて下記の条件にて測定することで求めた。また、各成分(各内部電子供与性化合物)のモル数については、ガスクロマトグラフィーの測定結果より、予め既知濃度において測定した検量線を用いて求めた。
<測定条件>
カラム:キャピラリーカラム(φ0.32×30m, Dimethyl Polysiloxane、Restek社製)
検出器:FID(Flame Ionization Detector,水素炎イオン化型検出器)
キャリアガス:ヘリウム、流量15mL/分
測定温度:気化室280℃、カラム225℃、検出器280℃、または気化室265℃、カラム180℃、検出器265℃
<固体触媒成分(I)の合成>
(第1工程及び洗浄工程)
攪拌装置を備え、窒素ガスで置換された内容積500mLのフラスコに、ジエトキシマグネシウム10g(87.4ミリモル)、トルエン55mL、四塩化チタン20mL、(2-エトキシエチル)エチルカーボネート(EEECA)(A)9.01ミリモル(1.46g)、2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)5.80ミリモル(1.26g)を加え、温度100℃で90分間相互に接触させて反応させた。反応終了後、接触生成物を90℃のトルエン75mLで4回洗浄した。
(第2工程および洗浄)
新たにトルエンに対する四塩化チタンの体積比(四塩化チタン/トルエン体積比)が0.50の四塩化チタンのトルエン溶液を調製し、該溶液60mLを加えて、100℃に昇温し、15分間攪拌し反応させ、反応後、上澄みを抜き出した。この操作をさらに3回行った後、40℃のn-ヘプタン75mLで6回洗浄して、固体触媒成分(I)を得た。
得られた固体触媒成分(I)中のチタン含有量、(2-エトキシエチル)エチルカーボネート(EEECA)(A)含有量及び2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)含有量を測定した。その結果を表1に示す。
窒素ガスで置換された内容積2.0リットルの攪拌機付オートクレーブに、トリエチルアルミニウム1.32ミリモル、シクロヘキシルメチルジメトキシシラン(CMDMS)0.13ミリモル及び上記で得た固体触媒成分(I)をチタン原子として0.0026ミリモル装入し、重合用触媒(Y)を形成した。その後、水素ガス1.5リットル、液化プロピレン1.4リットルを装入し、20℃で5分間予備重合を行なった後に昇温し、70℃で1時間重合反応を行なった。この時の固体触媒成分1g当たりの重合活性、生成重合体中の嵩密度、生成重合体中のp-キシレン可溶分の割合(XS)、生成重合体のメルトフローレイトの値(MFR)、分子量分布(Mw/Mn)を表1に示す。
固体触媒成分1g当たりの重合活性については、下記式により求めた。
重合活性(g-PP/g-触媒)=重合体の質量(g)/固体触媒成分の質量(g)
重合体の嵩密度(BD)については、JIS K-6721:1997に従って測定した。
攪拌装置を具備したフラスコ内に、4.0gの重合体(ポリプロピレン)と、200mLのp-キシレンを装入し、外部温度をキシレンの沸点以上(約150℃)とすることにより、フラスコ内部のp-キシレンの温度を沸点下(137~138℃)に維持しつつ、2時間かけて重合体を溶解した。その後1時間かけて液温を23℃まで冷却し、不溶解成分と溶解成分とを濾過分別した。上記溶解成分の溶液を採取し、加熱減圧乾燥によりp-キシレンを留去し、得られた残留物をキシレン可溶分(XS)とし、その重量を重合体(ポリプロピレン)に対する相対値(重量%)で求めた。
重合体の溶融流れ性を示すメルトフローレート(MFR)は、ASTM D 1238、JIS K 7210に準じて測定した。
重合体の分子量分布は、ゲルパーミエションクロマトグラフィ(GPC)(Waters社製 Alliance GPC/V2000)にて以下の条件で測定して求めた重量平均分子量Mw及び数平均分子量Mnの比Mw/Mnによって評価した。
溶媒:o―ジクロロベンゼン(ODCB)
測定温度:140℃
カラム:昭和電工社製 UT-806×3本、HT-803×1本
サンプル濃度:1mg/mL-ODCB(10mg/10mL-ODCB)
注入量:0.5mL
流量:1.0mL/min
<固体触媒成分の合成>
2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)5.80ミリモル(1.26g)に代えて、2.70ミリモル(0.58g)とし、第2工程において、四塩化チタンのトルエン溶液のトルエンに対する四塩化チタンの体積比(四塩化チタン/トルエン体積比)0.50に代えて0.20とした以外は、実施例1と同様に行い、固体触媒成分を得た。
得られた固体触媒成分中のチタン含有量、EEECA(A)含有量及びIIDMP(B)含有量を測定した。その結果を表1に示す。
<重合触媒の形成及びプロピレンホモ重合評価>
実施例1と同様に行った。その結果を表1に示す。
<固体触媒成分の合成>
(2-エトキシエチル)エチルカーボネート(EEECA)(A)9.01ミリモル(1.46g)及び2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)5.80ミリモル(1.26g)に代えて、2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)11.21ミリモル(2.42g)とし、第2工程において、四塩化チタンのトルエン溶液のトルエンに対する四塩化チタンの体積比(四塩化チタン/トルエン体積比)0.50に代えて0.20とした以外は、実施例1と同様に行い、固体触媒成分を得た。つまり、参考例1では、内部電子供与性化合物として、IIDMP(B)のみを用いた。
得られた固体触媒成分中のチタン含有量、IIDMP(B)含有量を測定した。その結果を表1に示す。
<重合触媒の形成及びプロピレンホモ重合評価>
実施例1と同様に行った。その結果を表1に示す。
参考例1では、内部電子供与性化合物として、IIDMP(B)のみを用いているため、分子量分布(Mw/Mn)4.5が狭すぎる結果となった。
<固体触媒成分の合成>
2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)5.80ミリモル(1.26g)に代えて、4.04ミリモル(0.87g)とした以外は、実施例1と同様に行い、固体触媒成分を得た。
得られた固体触媒成分中のチタン含有量、EEECA(A)含有量及びIIDMP(B)含有量を測定した。その結果を表1に示す。
<重合触媒の形成及びプロピレンホモ重合評価>
実施例1と同様に行った。その結果を表1に示す。
<固体触媒成分の合成>
2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)5.80ミリモル(1.26g)に代えて、5.40ミリモル(1.17g)とした以外は、実施例1と同様に行い、固体触媒成分を得た。
得られた固体触媒成分中のチタン含有量、EEECA(A)含有量及びIIDMP(B)含有量を測定した。その結果を表1に示す。
<重合触媒の形成及びプロピレンホモ重合評価>
実施例1と同様に行った。その結果を表1に示す。
<固体触媒成分の合成>
第1工程でトルエン55mLに代えて37.5mLとし、四塩化チタン20mLに代えて37.5mLとし、(2-エトキシエチル)エチルカーボネート(EEECA)(A)9.01ミリモル(1.46g)に代えて、12.24ミリモル(1.98g)とし、2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)5.81ミリモル(1.26g)に代えて、8.74ミリモル(1.89g)とし、第2工程において、四塩化チタンのトルエン溶液のトルエンに対する四塩化チタンの体積比(四塩化チタン/トルエン体積比)0.50に代えて1.00とした以外は、実施例1と同様に行い、固体触媒成分を得た。
得られた固体触媒成分中のチタン含有量、EEECA(A)含有量及びIIDMP(B)含有量を測定した。その結果を表2に示す。
<重合触媒の形成及びプロピレンホモ重合評価>
実施例1と同様に行った。その結果を表2に示す。
<固体触媒成分の合成>
第1工程でトルエン55mLに代えて50mLとし、四塩化チタン20mLに代えて25mLとし、(2-エトキシエチル)エチルカーボネート(EEECA)(A)9.01ミリモル(1.46g)に代えて、5.24ミリモル(0.85g)とし、2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)5.80ミリモル(1.26g)に代えて、5.24ミリモル(1.13g)とし、第2工程において、四塩化チタンのトルエン溶液のトルエンに対する四塩化チタンの体積比(四塩化チタン/トルエン体積比)0.50に代えて1.00とした以外は、実施例1と同様に行い、固体触媒成分を得た。
得られた固体触媒成分中のチタン含有量、EEECA(A)含有量及びIIDMP(B)含有量を測定した。その結果を表2に示す。
<重合触媒の形成及びプロピレンホモ重合評価>
実施例1と同様に行った。その結果を表2に示す。
<固体触媒成分の合成>
第1工程でトルエン55mLに代えて50mLとし、四塩化チタン20mLに代えて25mLとし、(2-エトキシエチル)エチルカーボネート(EEECA)(A)9.01ミリモル(1.46g)に代えて、5.24ミリモル(0.85g)とし、2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)5.80ミリモル(1.26g)に代えて、12.24ミリモル(2.65g)とし、第2工程において、四塩化チタンのトルエン溶液のトルエンに対する四塩化チタンの体積比(四塩化チタン/トルエン体積比)0.50に代えて1.00とした以外は、実施例1と同様に行い、固体触媒成分を得た。
得られた固体触媒成分中のチタン含有量、EEECA(A)含有量及びIIDMP(B)含有量を測定した。その結果を表2に示す。
<重合触媒の形成及びプロピレンホモ重合評価>
実施例1と同様に行った。その結果を表2に示す。
<固体触媒成分の合成>
2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)5.80ミリモル(1.26g)に代えて、4.04ミリモル(0.87g)とし、第2工程において、四塩化チタンのトルエン溶液のトルエンに対する四塩化チタンの体積比(四塩化チタン/トルエン体積比)0.50に代えて0.20とした以外は、実施例1と同様に行い、固体触媒成分を得た。
得られた固体触媒成分中のチタン含有量、EEECA(A)含有量及びIIDMP(B)含有量を測定した。その結果を表3に示す。
<重合触媒の形成及びプロピレンホモ重合評価>
実施例1と同様に行った。その結果を表3に示す。
<固体触媒成分の合成>
2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)5.80ミリモル(1.26g)に代えて、5.40ミリモル(1.17g)とし、第2工程において、四塩化チタンのトルエン溶液のトルエンに対する四塩化チタンの体積比(四塩化チタン/トルエン体積比)0.50に代えて0.20とした以外は、実施例1と同様に行い、固体触媒成分を得た。
得られた固体触媒成分中のチタン含有量、EEECA(A)含有量及びIIDMP(B)含有量を測定した。その結果を表3に示す。
<重合触媒の形成及びプロピレンホモ重合評価>
実施例1と同様に行った。その結果を表3に示す。
<固体触媒成分の合成>
2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)5.80ミリモル(1.26g)に代えて、2.70ミリモル(0.58g)とし、第2工程において、四塩化チタンのトルエン溶液のトルエンに対する四塩化チタンの体積比(四塩化チタン/トルエン体積比)0.50に代えて0.33とした以外は、実施例1と同様に行い、固体触媒成分を得た。
得られた固体触媒成分中のチタン含有量、EEECA(A)含有量及びIIDMP(B)含有量を測定した。その結果を表3に示す。
<重合触媒の形成及びプロピレンホモ重合評価>
実施例1と同様に行った。その結果を表3に示す。
<固体触媒成分の合成>
2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン(IIDMP)(B)5.80ミリモル(1.26g)に代えて、2.70ミリモル(0.58g)とした以外は、実施例1と同様に行い、固体触媒成分を得た。
得られた固体触媒成分中のチタン含有量、EEECA(A)含有量及びIIDMP(B)含有量を測定した。その結果を表3に示す。
<重合触媒の形成及びプロピレンホモ重合評価>
実施例1と同様に行った。その結果を表3に示す。
Claims (9)
- マグネシウム、チタン、ハロゲン、下記一般式(1):
R1-O-C(=O)-O-Z-O-R2 (1)
(式中、R1及びR2は、炭素数1~24の炭化水素基若しくは置換炭化水素基又はヘテロ原子含有基を示し、互いに同一であっても異なっていてもよく、Zは炭素原子又は炭素鎖を介して結合する結合性基を示す。)
で表されるカーボネート化合物(A)及び2つ以上のエーテル基を有するエーテル化合物(B)を含有し、
該カーボネート化合物(A)及び該エーテル化合物(B)の合計に占める該エーテル化合物(B)の割合が、33.0~80.0mol%であること、
を特徴とするオレフィン類重合用固体触媒成分。 - 前記エーテル化合物(B)が、1,3-ジエーテルであることを特徴とする請求項1項に記載のオレフィン類重合用固体触媒成分。
- 前記エーテル化合物(B)が、2-イソプロピル-2-イソペンチル-1,3-ジメトキシプロパン、2-イソプロピル-2-イソブチル-1,3-ジメトキシプロパン又は9,9-ビス(メトキシメチル)フルオレンであることを特徴とする請求項1又は2に記載のオレフィン類重合用固体触媒成分。
- マグネシウム化合物、ハロゲン含有チタン化合物、下記一般式(1):
R1-O-C(=O)-O-Z-O-R2 (1)
(式中、R1及びR2は、炭素数1~24の炭化水素基若しくは置換炭化水素基またはヘテロ原子含有基を示し、互いに同一であっても異なっていてもよく、Zは炭素原子又は炭素鎖を介して結合する結合性基を示す。)
で表されるカーボネート化合物(A)及び2つ以上のエーテル基を有するエーテル化合物(B)を相互に接触させて、接触生成物を得る第1工程と、
該接触生成物を、不活性有機溶媒と接触させて洗浄し、接触生成物の洗浄物を得る中間洗浄工程と、
該接触生成物の洗浄物に対し、ハロゲン含有チタン化合物/不活性有機溶媒混合液との接触処理を、少なくとも1回行い、オレフィン類重合用固体触媒成分を得る第2工程と、を有し、
該第1工程における該カーボネート化合物(A)の接触量及び該エーテル化合物(B)の接触量の合計に占める該エーテル化合物(B)の接触量の割合が、25.0~80.0mol%であり、
該第2工程における該ハロゲン含有チタン化合物/不活性有機溶媒混合液は、該ハロゲン含有チタン化合物と不活性有機溶媒とを、該不活性有機溶媒の体積に対する該ハロゲン含有チタン化合物の体積の比(ハロゲン含有チタン化合物/不活性有機溶媒)が0.25以上となる混合量で混合して得られること、
を特徴とするオレフィン類重合用固体触媒成分の製造方法。 - 前記カーボネート化合物(A)の接触量及び前記エーテル化合物(B)の接触量の合計が、マグネシウム化合物1.00モル当たり、0.08~0.30モルであることを特徴とする請求項4に記載のオレフィン類重合用固体触媒成分の製造方法。
- 前記第2工程において、前記接触生成物の洗浄物に対する前記ハロゲン含有チタン化合物/不活性有機溶媒混合液の接触処理の回数が2~6回であることを特徴とする請求項4又は5に記載のオレフィン類重合用固体触媒成分の製造方法。
- (I)請求項1~3のいずれか1項に記載のオレフィン類重合用固体触媒成分又は請求項4~6のいずれか1項に記載のオレフィン類重合用固体触媒成分の製造方法により得られるオレフィン類重合用固体触媒成分、及び(II)下記一般式(4):
R11 pAlQ3-p (4)
(式中、R11は炭素数1~6のアルキル基を示し、Qは水素原子あるいはハロゲンを示し、pは0<p≦3の実数で、複数のR11は同一であっても異なっていてもよい。)
で表わされる有機アルミニウム化合物を相互に接触させることにより、オレフィン類重合用触媒を得ることを特徴とするオレフィン類重合用触媒の製造方法。 - (I)請求項1~3のいずれか1項に記載のオレフィン類重合用固体触媒成分又は請求項4~6のいずれか1項に記載のオレフィン類重合用固体触媒成分の製造方法により得られるオレフィン類重合用固体触媒成分、(II)下記一般式(4):
R11 pAlQ3-p (4)
(式中、R11は炭素数1~6のアルキル基を示し、Qは水素原子あるいはハロゲンを示し、pは0<p≦3の実数で、複数のR11は同一であっても異なっていてもよい。)
で表わされる有機アルミニウム化合物、及び(III)外部電子供与性化合物を相互に接触させることにより、オレフィン類重合用触媒を得ることを特徴とするオレフィン類重合用触媒の製造方法。 - 請求項7又は8に記載のオレフィン類重合用触媒の製造方法により得られるオレフィン類重合用触媒を用いてオレフィン類の重合を行なうことを特徴とするオレフィン類重合体の製造方法。
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