JP2011094139A - 触媒組成物及びそれを用いた水素化方法 - Google Patents
触媒組成物及びそれを用いた水素化方法 Download PDFInfo
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- JP2011094139A JP2011094139A JP2010236686A JP2010236686A JP2011094139A JP 2011094139 A JP2011094139 A JP 2011094139A JP 2010236686 A JP2010236686 A JP 2010236686A JP 2010236686 A JP2010236686 A JP 2010236686A JP 2011094139 A JP2011094139 A JP 2011094139A
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- JP
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- Prior art keywords
- group
- titanium
- bis
- compound
- conjugated diene
- Prior art date
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- 239000003054 catalyst Substances 0.000 title claims abstract description 149
- 239000000203 mixture Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000005984 hydrogenation reaction Methods 0.000 title claims description 159
- 229920000642 polymer Polymers 0.000 claims abstract description 104
- 150000001993 dienes Chemical class 0.000 claims abstract description 77
- 150000001875 compounds Chemical class 0.000 claims abstract description 53
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 49
- 125000004450 alkenylene group Chemical group 0.000 claims abstract description 40
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 28
- 125000003342 alkenyl group Chemical group 0.000 claims abstract description 22
- 150000003609 titanium compounds Chemical class 0.000 claims abstract description 18
- 125000005234 alkyl aluminium group Chemical group 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 11
- 125000004185 ester group Chemical group 0.000 claims abstract description 8
- -1 vinyl aromatic compound Chemical class 0.000 claims description 103
- 125000001931 aliphatic group Chemical group 0.000 claims description 50
- 229910052719 titanium Inorganic materials 0.000 claims description 36
- 239000010936 titanium Substances 0.000 claims description 36
- 229920001577 copolymer Polymers 0.000 claims description 34
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 27
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 21
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims description 20
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 18
- 125000000468 ketone group Chemical group 0.000 claims description 18
- 229920002554 vinyl polymer Polymers 0.000 claims description 18
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 claims description 15
- UUEVFMOUBSLVJW-UHFFFAOYSA-N oxo-[[1-[2-[2-[2-[4-(oxoazaniumylmethylidene)pyridin-1-yl]ethoxy]ethoxy]ethyl]pyridin-4-ylidene]methyl]azanium;dibromide Chemical compound [Br-].[Br-].C1=CC(=C[NH+]=O)C=CN1CCOCCOCCN1C=CC(=C[NH+]=O)C=C1 UUEVFMOUBSLVJW-UHFFFAOYSA-N 0.000 claims description 15
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Natural products C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 claims description 14
- 125000003277 amino group Chemical group 0.000 claims description 14
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 claims description 14
- 125000001033 ether group Chemical group 0.000 claims description 13
- YOBCTIIWHLYFII-UHFFFAOYSA-L difluorotitanium Chemical compound F[Ti]F YOBCTIIWHLYFII-UHFFFAOYSA-L 0.000 claims description 12
- 125000001424 substituent group Chemical group 0.000 claims description 12
- ZWYDDDAMNQQZHD-UHFFFAOYSA-L titanium(ii) chloride Chemical compound [Cl-].[Cl-].[Ti+2] ZWYDDDAMNQQZHD-UHFFFAOYSA-L 0.000 claims description 12
- 125000002897 diene group Chemical group 0.000 claims description 11
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 10
- AUZMWGNTACEWDV-UHFFFAOYSA-L titanium(2+);dibromide Chemical compound Br[Ti]Br AUZMWGNTACEWDV-UHFFFAOYSA-L 0.000 claims description 10
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 9
- 125000003545 alkoxy group Chemical group 0.000 claims description 9
- 229920001400 block copolymer Polymers 0.000 claims description 9
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 9
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 8
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims description 8
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- KSFCHHFBQJDGFF-UHFFFAOYSA-L cyclopenta-1,3-diene;dichlorotitanium Chemical compound Cl[Ti]Cl.C1C=CC=C1.C1C=CC=C1 KSFCHHFBQJDGFF-UHFFFAOYSA-L 0.000 claims description 7
- 125000005843 halogen group Chemical group 0.000 claims description 7
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 claims description 7
- 125000006539 C12 alkyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 125000003161 (C1-C6) alkylene group Chemical group 0.000 claims description 5
- 229920001519 homopolymer Polymers 0.000 claims description 5
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 claims description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- RMBPEFMHABBEKP-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2C3=C[CH]C=CC3=CC2=C1 RMBPEFMHABBEKP-UHFFFAOYSA-N 0.000 claims description 4
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N o-biphenylenemethane Natural products C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 claims description 4
- 229920005604 random copolymer Polymers 0.000 claims description 4
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 claims description 4
- CNWZYDSEVLFSMS-UHFFFAOYSA-N tripropylalumane Chemical compound CCC[Al](CCC)CCC CNWZYDSEVLFSMS-UHFFFAOYSA-N 0.000 claims description 4
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 claims description 3
- MFRXMZYAKSRDMT-UHFFFAOYSA-L [Br-].[Br-].C1(C=CC=C1)[Ti+2]C1C=CC=C1 Chemical compound [Br-].[Br-].C1(C=CC=C1)[Ti+2]C1C=CC=C1 MFRXMZYAKSRDMT-UHFFFAOYSA-L 0.000 claims description 3
- DEIHKBYIWJWPRP-UHFFFAOYSA-L [Cl-].[Cl-].COC=1C(=C(C=2CC3=CC=CC=C3C2C1)[Ti+2]C1=C(C(=CC=2C3=CC=CC=C3CC12)OC)OC)OC Chemical compound [Cl-].[Cl-].COC=1C(=C(C=2CC3=CC=CC=C3C2C1)[Ti+2]C1=C(C(=CC=2C3=CC=CC=C3CC12)OC)OC)OC DEIHKBYIWJWPRP-UHFFFAOYSA-L 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 238000010539 anionic addition polymerization reaction Methods 0.000 claims description 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 3
- 125000002102 aryl alkyloxo group Chemical group 0.000 claims description 3
- HQMRIBYCTLBDAK-UHFFFAOYSA-M bis(2-methylpropyl)alumanylium;chloride Chemical compound CC(C)C[Al](Cl)CC(C)C HQMRIBYCTLBDAK-UHFFFAOYSA-M 0.000 claims description 3
- CZQIDPLTQBOKMO-UHFFFAOYSA-L butylcyclopentane;dichlorotitanium Chemical compound Cl[Ti]Cl.CCCC[C]1[CH][CH][CH][CH]1.CCCC[C]1[CH][CH][CH][CH]1 CZQIDPLTQBOKMO-UHFFFAOYSA-L 0.000 claims description 3
- 238000010538 cationic polymerization reaction Methods 0.000 claims description 3
- 238000012718 coordination polymerization Methods 0.000 claims description 3
- WDGICGVEWQIMTQ-UHFFFAOYSA-L cyclopentane;difluorotitanium Chemical compound F[Ti]F.[CH]1[CH][CH][CH][CH]1.[CH]1[CH][CH][CH][CH]1 WDGICGVEWQIMTQ-UHFFFAOYSA-L 0.000 claims description 3
- YQZMEUFOYRWASB-UHFFFAOYSA-L dichlorotitanium;ethylcyclopentane Chemical compound Cl[Ti]Cl.CC[C]1[CH][CH][CH][CH]1.CC[C]1[CH][CH][CH][CH]1 YQZMEUFOYRWASB-UHFFFAOYSA-L 0.000 claims description 3
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 3
- 238000010526 radical polymerization reaction Methods 0.000 claims description 3
- SQBBHCOIQXKPHL-UHFFFAOYSA-N tributylalumane Chemical compound CCCC[Al](CCCC)CCCC SQBBHCOIQXKPHL-UHFFFAOYSA-N 0.000 claims description 3
- ORYGRKHDLWYTKX-UHFFFAOYSA-N trihexylalumane Chemical compound CCCCCC[Al](CCCCCC)CCCCCC ORYGRKHDLWYTKX-UHFFFAOYSA-N 0.000 claims description 3
- JOJQVUCWSDRWJE-UHFFFAOYSA-N tripentylalumane Chemical compound CCCCC[Al](CCCCC)CCCCC JOJQVUCWSDRWJE-UHFFFAOYSA-N 0.000 claims description 3
- JQPMDTQDAXRDGS-UHFFFAOYSA-N triphenylalumane Chemical compound C1=CC=CC=C1[Al](C=1C=CC=CC=1)C1=CC=CC=C1 JQPMDTQDAXRDGS-UHFFFAOYSA-N 0.000 claims description 3
- XYVDMOBKIAPWTA-UHFFFAOYSA-N tris(2,5-dimethyloctyl)alumane Chemical compound CCCC(C)CCC(C)C[Al](CC(C)CCC(C)CCC)CC(C)CCC(C)CCC XYVDMOBKIAPWTA-UHFFFAOYSA-N 0.000 claims description 3
- NMWQCFGRVONMSB-UHFFFAOYSA-N tris(2,6-dimethyloctyl)alumane Chemical compound CCC(C)CCCC(C)C[Al](CC(C)CCCC(C)CC)CC(C)CCCC(C)CC NMWQCFGRVONMSB-UHFFFAOYSA-N 0.000 claims description 3
- KWJBZBDEMWJNIK-UHFFFAOYSA-N C1(=CC=CC=2C3=CC=CC=C3CC12)[Ti](C)(C)C1=CC=CC=2C3=CC=CC=C3CC12 Chemical compound C1(=CC=CC=2C3=CC=CC=C3CC12)[Ti](C)(C)C1=CC=CC=2C3=CC=CC=C3CC12 KWJBZBDEMWJNIK-UHFFFAOYSA-N 0.000 claims description 2
- QWHJQOJNNKDPBE-UHFFFAOYSA-N C1=CC=CC1[Ti](C)(C)C1C=CC=C1 Chemical compound C1=CC=CC1[Ti](C)(C)C1C=CC=C1 QWHJQOJNNKDPBE-UHFFFAOYSA-N 0.000 claims description 2
- OWJHNUOZBNPLDR-UHFFFAOYSA-N C1=CC=CC1[Ti](CC)(CC)C1C=CC=C1 Chemical compound C1=CC=CC1[Ti](CC)(CC)C1C=CC=C1 OWJHNUOZBNPLDR-UHFFFAOYSA-N 0.000 claims description 2
- RLDJRWMZCIEKNZ-UHFFFAOYSA-N COC=1C(=C(C=2CC3=CC=CC=C3C2C1)[Ti])OC Chemical compound COC=1C(=C(C=2CC3=CC=CC=C3C2C1)[Ti])OC RLDJRWMZCIEKNZ-UHFFFAOYSA-N 0.000 claims description 2
- DUIYASYRKUGNPF-UHFFFAOYSA-N CO[Ti](C1=C(C(=CC=2C3=CC=CC=C3CC12)OC)OC)(C1=C(C(=CC=2C3=CC=CC=C3CC12)OC)OC)OC Chemical compound CO[Ti](C1=C(C(=CC=2C3=CC=CC=C3CC12)OC)OC)(C1=C(C(=CC=2C3=CC=CC=C3CC12)OC)OC)OC DUIYASYRKUGNPF-UHFFFAOYSA-N 0.000 claims description 2
- NOIHHYJQBZOMTN-UHFFFAOYSA-N CO[Ti](C1=CC=CC=2C3=CC=CC=C3CC12)(C1=CC=CC=2C3=CC=CC=C3CC12)OC Chemical compound CO[Ti](C1=CC=CC=2C3=CC=CC=C3CC12)(C1=CC=CC=2C3=CC=CC=C3CC12)OC NOIHHYJQBZOMTN-UHFFFAOYSA-N 0.000 claims description 2
- FZZNYPPKJHYQHU-UHFFFAOYSA-N C[O-].C[O-].[Ti++](C1C=Cc2ccccc12)C1C=Cc2ccccc12 Chemical compound C[O-].C[O-].[Ti++](C1C=Cc2ccccc12)C1C=Cc2ccccc12 FZZNYPPKJHYQHU-UHFFFAOYSA-N 0.000 claims description 2
- NJANRNKHVOIOCW-UHFFFAOYSA-L [Cl-].[Cl-].C(C)C(CC1(C=CC=C1)[Ti+2]C1(C=CC=C1)CC(CCCC)CC)CCCC Chemical compound [Cl-].[Cl-].C(C)C(CC1(C=CC=C1)[Ti+2]C1(C=CC=C1)CC(CCCC)CC)CCCC NJANRNKHVOIOCW-UHFFFAOYSA-L 0.000 claims description 2
- FIJNHORQKWZRPY-UHFFFAOYSA-L [Cl-].[Cl-].COC1(C=CC=C1)[Ti+2]C1(C=CC=C1)OC Chemical compound [Cl-].[Cl-].COC1(C=CC=C1)[Ti+2]C1(C=CC=C1)OC FIJNHORQKWZRPY-UHFFFAOYSA-L 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- ZMXPNWBFRPIZFV-UHFFFAOYSA-M dipropylalumanylium;chloride Chemical compound [Cl-].CCC[Al+]CCC ZMXPNWBFRPIZFV-UHFFFAOYSA-M 0.000 claims description 2
- 239000012442 inert solvent Substances 0.000 claims description 2
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims description 2
- RTAKQLTYPVIOBZ-UHFFFAOYSA-N tritert-butylalumane Chemical compound CC(C)(C)[Al](C(C)(C)C)C(C)(C)C RTAKQLTYPVIOBZ-UHFFFAOYSA-N 0.000 claims description 2
- IWUIORBEXMLRIF-UHFFFAOYSA-M C1=CC2=CC=CC=C2C1[Ti](C1C2=CC=CC=C2C=C1)OC1=CC=CC=C1 Chemical compound C1=CC2=CC=CC=C2C1[Ti](C1C2=CC=CC=C2C=C1)OC1=CC=CC=C1 IWUIORBEXMLRIF-UHFFFAOYSA-M 0.000 claims 1
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- RODPOVCZXBOGAI-UHFFFAOYSA-L [Br-].[Br-].COC=1C(=C(C=2CC3=CC=CC=C3C2C1)[Ti+2]C1=C(C(=CC=2C3=CC=CC=C3CC12)OC)OC)OC Chemical compound [Br-].[Br-].COC=1C(=C(C=2CC3=CC=CC=C3C2C1)[Ti+2]C1=C(C(=CC=2C3=CC=CC=C3CC12)OC)OC)OC RODPOVCZXBOGAI-UHFFFAOYSA-L 0.000 claims 1
- LDXMUMPEDOQULK-UHFFFAOYSA-K diethylalumanylium;ethylaluminum(2+);trichloride Chemical compound CC[Al](Cl)Cl.CC[Al](Cl)CC LDXMUMPEDOQULK-UHFFFAOYSA-K 0.000 claims 1
- UBZYKBZMAMTNKW-UHFFFAOYSA-J titanium tetrabromide Chemical compound Br[Ti](Br)(Br)Br UBZYKBZMAMTNKW-UHFFFAOYSA-J 0.000 claims 1
- FHAOCGKAMRAFMM-UHFFFAOYSA-N tris(2-ethylhexyl)alumane Chemical compound CCCCC(CC)C[Al](CC(CC)CCCC)CC(CC)CCCC FHAOCGKAMRAFMM-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 23
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- 239000000243 solution Substances 0.000 description 23
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- 239000000178 monomer Substances 0.000 description 13
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 10
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- 238000000862 absorption spectrum Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 230000003064 anti-oxidating effect Effects 0.000 description 1
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- 239000004305 biphenyl Substances 0.000 description 1
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- 239000001273 butane Substances 0.000 description 1
- SHOVVTSKTTYFGP-UHFFFAOYSA-L butylaluminum(2+);dichloride Chemical compound CCCC[Al](Cl)Cl SHOVVTSKTTYFGP-UHFFFAOYSA-L 0.000 description 1
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
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- 125000000753 cycloalkyl group Chemical group 0.000 description 1
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- PHXPULBNLXLBKL-UHFFFAOYSA-N diethoxymethyl-[1-(diethoxymethylsilyl)hexyl]silane Chemical compound C(C)OC(OCC)[SiH2]C(CCCCC)[SiH2]C(OCC)OCC PHXPULBNLXLBKL-UHFFFAOYSA-N 0.000 description 1
- OYXDYXIEDQBCSV-UHFFFAOYSA-N diethyl-methoxy-(1-trimethoxysilylethyl)silane Chemical compound CC[Si](CC)(OC)C(C)[Si](OC)(OC)OC OYXDYXIEDQBCSV-UHFFFAOYSA-N 0.000 description 1
- LUSBIHKIKBKONF-UHFFFAOYSA-N diethyl-methoxy-(1-trimethoxysilylhexyl)silane Chemical compound CCCCCC([Si](CC)(CC)OC)[Si](OC)(OC)OC LUSBIHKIKBKONF-UHFFFAOYSA-N 0.000 description 1
- AZARUHBQGHNJOR-UHFFFAOYSA-N diethyl-propoxy-(1-tripropoxysilylhexyl)silane Chemical compound CCCCCC([Si](CC)(CC)OCCC)[Si](OCCC)(OCCC)OCCC AZARUHBQGHNJOR-UHFFFAOYSA-N 0.000 description 1
- 125000004212 difluorophenyl group Chemical group 0.000 description 1
- 125000001891 dimethoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- WFRDZTZUCARAIP-UHFFFAOYSA-N dimethoxymethyl-[1-(dimethoxymethylsilyl)ethyl]silane Chemical compound COC(OC)[SiH2]C(C)[SiH2]C(OC)OC WFRDZTZUCARAIP-UHFFFAOYSA-N 0.000 description 1
- DVCXBXFMQFIMCG-UHFFFAOYSA-N dimethoxymethyl-[1-(dimethoxymethylsilyl)hexyl]silane Chemical compound COC(OC)[SiH2]C(CCCCC)[SiH2]C(OC)OC DVCXBXFMQFIMCG-UHFFFAOYSA-N 0.000 description 1
- WOICXBNZGUYFTP-UHFFFAOYSA-N dimethyl-propoxy-(1-tripropoxysilylethyl)silane Chemical compound C(CC)O[Si](C)(C)C(C)[Si](OCCC)(OCCC)OCCC WOICXBNZGUYFTP-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000010556 emulsion polymerization method Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- LSAMCQQJRJBTRT-UHFFFAOYSA-N ethoxy-[1-[ethoxy(diethyl)silyl]ethyl]-diethylsilane Chemical compound CCO[Si](CC)(CC)C(C)[Si](CC)(CC)OCC LSAMCQQJRJBTRT-UHFFFAOYSA-N 0.000 description 1
- XQTLBELRYLXICJ-UHFFFAOYSA-N ethoxy-[1-[ethoxy(diethyl)silyl]hexyl]-diethylsilane Chemical compound CCCCCC([Si](CC)(CC)OCC)[Si](CC)(CC)OCC XQTLBELRYLXICJ-UHFFFAOYSA-N 0.000 description 1
- IISYJGDQKZFWND-UHFFFAOYSA-N ethoxy-[1-[ethoxy(dimethyl)silyl]hexyl]-dimethylsilane Chemical compound CCCCCC([Si](C)(C)OCC)[Si](C)(C)OCC IISYJGDQKZFWND-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- AHAREKHAZNPPMI-UHFFFAOYSA-N hexa-1,3-diene Chemical compound CCC=CC=C AHAREKHAZNPPMI-UHFFFAOYSA-N 0.000 description 1
- OGMDYZVGIYQLCM-UHFFFAOYSA-N hexyl(dimethoxy)silane Chemical compound CCCCCC[SiH](OC)OC OGMDYZVGIYQLCM-UHFFFAOYSA-N 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- CCZVEWRRAVASGL-UHFFFAOYSA-N lithium;2-methanidylpropane Chemical compound [Li+].CC(C)[CH2-] CCZVEWRRAVASGL-UHFFFAOYSA-N 0.000 description 1
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 1
- SZAVVKVUMPLRRS-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].C[CH-]C SZAVVKVUMPLRRS-UHFFFAOYSA-N 0.000 description 1
- XBEREOHJDYAKDA-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].CC[CH2-] XBEREOHJDYAKDA-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- AZWHSAKHQOSWGE-UHFFFAOYSA-N methoxy-[1-[methoxy(dimethyl)silyl]ethyl]-dimethylsilane Chemical compound CO[Si](C)(C)C(C)[Si](C)(C)OC AZWHSAKHQOSWGE-UHFFFAOYSA-N 0.000 description 1
- ZFQCDMXQQYQNTB-UHFFFAOYSA-N methoxy-[1-[methoxy(dimethyl)silyl]hexyl]-dimethylsilane Chemical compound CCCCCC([Si](C)(C)OC)[Si](C)(C)OC ZFQCDMXQQYQNTB-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 125000001979 organolithium group Chemical group 0.000 description 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 125000000538 pentafluorophenyl group Chemical group FC1=C(F)C(F)=C(*)C(F)=C1F 0.000 description 1
- NHKJPPKXDNZFBJ-UHFFFAOYSA-N phenyllithium Chemical compound [Li]C1=CC=CC=C1 NHKJPPKXDNZFBJ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
- NDUUEFPGQBSFPV-UHFFFAOYSA-N tri(butan-2-yl)alumane Chemical compound CCC(C)[Al](C(C)CC)C(C)CC NDUUEFPGQBSFPV-UHFFFAOYSA-N 0.000 description 1
- IEJLKMVZDMVWTG-UHFFFAOYSA-N tri(propan-2-yloxy)-[1-tri(propan-2-yloxy)silylethyl]silane Chemical compound CC(C)O[Si](OC(C)C)(OC(C)C)C(C)[Si](OC(C)C)(OC(C)C)OC(C)C IEJLKMVZDMVWTG-UHFFFAOYSA-N 0.000 description 1
- VZCDKWUACPTJAO-UHFFFAOYSA-N tri(propan-2-yloxy)-[1-tri(propan-2-yloxy)silylhexyl]silane Chemical compound CCCCCC([Si](OC(C)C)(OC(C)C)OC(C)C)[Si](OC(C)C)(OC(C)C)OC(C)C VZCDKWUACPTJAO-UHFFFAOYSA-N 0.000 description 1
- FOQJQXVUMYLJSU-UHFFFAOYSA-N triethoxy(1-triethoxysilylethyl)silane Chemical compound CCO[Si](OCC)(OCC)C(C)[Si](OCC)(OCC)OCC FOQJQXVUMYLJSU-UHFFFAOYSA-N 0.000 description 1
- PGVSPORIGRCPMG-UHFFFAOYSA-N triethoxy(1-triethoxysilylhexyl)silane Chemical compound CCCCCC([Si](OCC)(OCC)OCC)[Si](OCC)(OCC)OCC PGVSPORIGRCPMG-UHFFFAOYSA-N 0.000 description 1
- BPANZCINBJJDSC-UHFFFAOYSA-N triethoxy-[1-[ethoxy(diethyl)silyl]ethyl]silane Chemical compound CCO[Si](CC)(CC)C(C)[Si](OCC)(OCC)OCC BPANZCINBJJDSC-UHFFFAOYSA-N 0.000 description 1
- GOJMQTHBTCQFML-UHFFFAOYSA-N triethoxy-[1-[ethoxy(dimethyl)silyl]ethyl]silane Chemical compound CCO[Si](C)(C)C(C)[Si](OCC)(OCC)OCC GOJMQTHBTCQFML-UHFFFAOYSA-N 0.000 description 1
- 125000004360 trifluorophenyl group Chemical group 0.000 description 1
- JCGDCINCKDQXDX-UHFFFAOYSA-N trimethoxy(2-trimethoxysilylethyl)silane Chemical compound CO[Si](OC)(OC)CC[Si](OC)(OC)OC JCGDCINCKDQXDX-UHFFFAOYSA-N 0.000 description 1
- WJZIMAGRVBXCDD-UHFFFAOYSA-N trimethoxy-[1-[methoxy(dimethyl)silyl]ethyl]silane Chemical compound CO[Si](C)(C)C(C)[Si](OC)(OC)OC WJZIMAGRVBXCDD-UHFFFAOYSA-N 0.000 description 1
- GSDDXHRZDYQEOZ-UHFFFAOYSA-N tripropoxy(1-tripropoxysilylethyl)silane Chemical compound CCCO[Si](OCCC)(OCCC)C(C)[Si](OCCC)(OCCC)OCCC GSDDXHRZDYQEOZ-UHFFFAOYSA-N 0.000 description 1
- SYAUOOMJTPORCE-UHFFFAOYSA-N tripropoxy(1-tripropoxysilylhexyl)silane Chemical compound CCCCCC([Si](OCCC)(OCCC)OCCC)[Si](OCCC)(OCCC)OCCC SYAUOOMJTPORCE-UHFFFAOYSA-N 0.000 description 1
- DPTWZQCTMLQIJK-UHFFFAOYSA-N tris(3-methylbutyl)alumane Chemical compound CC(C)CC[Al](CCC(C)C)CCC(C)C DPTWZQCTMLQIJK-UHFFFAOYSA-N 0.000 description 1
- MLDSMTVYPPIXMZ-UHFFFAOYSA-N tris(4-methylpentyl)alumane Chemical compound CC(C)CCC[Al](CCCC(C)C)CCCC(C)C MLDSMTVYPPIXMZ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- 150000003752 zinc compounds Chemical class 0.000 description 1
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- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/02—Hydrogenation
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- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
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Abstract
Description
(1)不均一触媒は、通常、担体上に担持される。担体は、例えば活性炭、シリカ、アルミナ、炭酸カルシウム等であり、そして金属を含む不均一触媒は、通常、ニッケル、白金、パラジウムによって組成される化合物である。
(a)チタン化合物
(b)下記化学式IIの構造を有する化合物
(c)アルキルアルミニウム。
前記(b1)乃至(b6)化合物から成る群より選ばれる一つである。
前記共役ジエン系重合体は、1000〜1,000,000の範囲の重量平均分子量を有し、
前記共役ジエン系重合体は、5%〜85%の重量%の共役ジエン単位を含む。
10Lの攪拌器付反応釜中に5400gのシクロヘキサン、7.4mmoleのn−ブチルリチウム及び252mmoleのテトラヒドロフランを仕込み、且つその中に96gのスチレンを添加して、45℃下で重合反応を進行した。該反応後、さらに400gの1.3−ブタンジェンを添加して反応を行って、反応後、更に96gのスチレンを添加して重合反応を行い、固体含量9.7%、分子量23〜25万のSBS(スチレン−ブタジェン−スチレン)の三元ブロック共重合体溶液が得られた。
以下、複数の比較例を挙げて本発明と対比させるが、ここで注意すべきことは、これらの比較例に使用された水素化触媒組成物は、本発明に示した触媒(b)を含まず、これにより、本発明の水素化触媒組成物の特徴及び利点が理解される。
ビス(トリメトキシシリル)ヘキサンを添加していないことを除き、実施例3と同様に行なった。予め0.055mmoleのビス(シクロペンタジエニル)二塩化チタンを10mlのシクロヘキサンの中で分散すると共に、10mlのシクロヘキサンの中で、0.33mmoleのトリイソブチルアルミニウムを溶解して、それぞれを上記で調製したSBS重合体溶液の中に添加し、その中に水素ガスを吹き込み、その圧力を25kg/cm2にした上で、100℃の状態で水素化反応を進行させる。図2は、水素化前と水素化後のSBS重合体の赤外線スペクトルを示す。図2によると、未水素化の前に、SBS三ブロック共重合体は、波長968cm−1及び995cm−1の所にトランス二重結合の官能基を示すピークを発見し、波長912cm−1の所に1,2ビニル二重結合の存在を確認した。水素化の1時間後に、波長995cm−1及び912cm−1の吸収が減少していることを発見したが、968cm−1の所の吸収は、ほとんど変化していない。このときに測定できる水素化率が23%になる。水素化反応のデータは、表1の通りである。
実施例1で調製したSBS三ブロック共重合体の重合体溶液1000gを、耐圧水素化タンク中に移し、実施例3の方法と同様に水素化ガスを導入して予め30分攪拌したが、ポリ(ジメトキシシリル)ヘキサンを0.22mmoleのn−ブチルリチウムに替えて、予め0.055mmoleのビス(シクロペンタジエニル)二塩化チタンを10mlのシクロヘキサンの中で混合すると共に、10mlのシクロヘキサンの中で、0.44mmoleのトリイソブチルアルミニウムを混合して、それぞれを上記で調製したSBS重合体溶液の中に添加し、水素ガスの圧力を25kg/cm2にした上で、100℃の状態で水素化反応を進行させる。30分間後に測定できる水素化率が15%になり、1時間後の水素化率が24%になる。水素化反応のデータは、表1の通りである。
Claims (12)
- 共役ジエン系重合体を水素化するための触媒組成物であって、前記共役ジエン系重合体は、共役ジエンによって形成される単独重合体又は共役ジエンとビニル芳香族化合物によって形成される共重合体であり、前記触媒組成物は、下記(a)乃至(c)化合物を含むことを特徴とする触媒組成物。
(a)チタン化合物
(b)下記化学式IIの構造を有する化合物
(c)アルキルアルミニウム。 - 前記チタン化合物(a)は、(Cp*)2TiR1R2であり、R1とR2のいずれかは同一又は異なる置換基であり、水素原子、ハロゲン原子、C1〜C8のアルキル基、C1〜C8のアルコキシ基、C6〜C12のシクロアルキル基、フェニル基、フェノキシ基、C7〜C10のアリールアルコキシ基、C7〜C10のアリールアルキル基、カルボキシ基、−CH2P(フェニル)2、−CH2Si(C1〜C5アルキル)3及び−p−(フェニル)2から成る群から選ばれた一つであり、
前記Cp*は、シクロペンタジエニル、フルオレニル、インデニル及びその誘導体から成る群から選ばれた一つであり、
前記誘導体は、シクロペンタジエニル、フルオレニル、インデニルから成る群から一つを選び、それの少なくとも一つの水素を、置換基によって置換するものであり、
前記アルキルアルミニウム(c)は、R8R9R10Alであり、R8、R9及びR10の中は、同一又は異なる置換基であり、C1〜C12のアルキル基、C6〜C12のアリール基、水素原子及びハロゲン原子から成る群から選ばれる一つであることを特徴とする請求項1に記載の触媒組成物。 - 前記(a)チタン化合物は、ビス(シクロペンタジエニルまたはその誘導体)チタンハロゲン化物、ビス(シクロペンタジエニルまたはその誘導体)チタンのアルコキシまたはアルキル化合物、ビス(フルオレンまたはその誘導体)チタンハロゲン化物、ビス(フルオレンまたはその誘導体)チタンのアルコキシまたはアルキル化合物、ビス(インデニルまたはその誘導体)チタンハロゲン化物、並びにビス(インデニルまたはその誘導体)のアルコキシまたはアルキル化物から成る群から選ばれる一つであることを特徴とする請求項2に記載の触媒組成物。
- 前記チタン化合物(a)は、
ビス(シクロペンタジエニル)二フッ化チタン、ビス(シクロペンタジエニル)二塩化チタン、ビス(2,4 − ジフェニルホスフィンシクロペンタジエニル)二フッ化チタン、ビス(2,4 − ジメチルホスフィンシクロペンタジエニル)二フッ化チタン、ビス(2,4 − ジメチルホスフィンシクロペンタジエニル)二塩化チタン、ビス(メトキシシクロペンタジエニル)二塩化チタン、ビス(2,4 − ジメチルホスフィンシクロペンタジエニル)二塩化チタン、ビス(シクロペンタジエニル)二臭化チタン、ビス(2,4 − ジフェニルホスフィンシクロペンタジエニル)二臭化チタン、ビス(2,4 − ジメチルホスフィンシクロペンタジエニル)二臭化チタン、ビス(エチルシクロペンタジエニル)二塩化チタン、ビス(n −プロピルシクロペンタジエニル)二塩化チタン、ビス(n −ブチル − シクロペンタジエニル)塩化チタン、ビス(2 − エチルヘキシルシクロペンタジエニル)塩化チタン、ジメチルジシクロペンタジエニルチタン、ジメトキシジシクロペンタジエニルチタン、ジメチル − ビス(2,4 − ジフェニルホスフィンシクロペンタジエニル)チタン、ジメトキシ − ビス(2,4 − ジメチルホスフィンシクロペンタジエニル)チタン、ジエチルジシクロペンタジエニルチタン、ジエチル − ビス(2,4 − ジフェニルホスフィンシクロペンタジエニル)チタン、ジエトキシビス(2,4 − ジメチルホスフィンシクロペンタジエニル)チタン、ジフェノキシビス(2,4 − ジフェニルホスフィンシクロペンタジエニル)チタン、ジフェノキシビス(2,4 − ジメチルホスフィンシクロペンタジエニル)チタンジフルオレニル二塩化チタン、ジインデニル二塩化チタン、ビス(ジメトキシフルオレニル)二塩化チタン、ジフルオレニル二フッ化チタン、ジインデニル二フッ化チタン、ビス(ジメトキシフルオレニル)二フッ化チタン、ジフルオレニル二臭化チタン、ジインデニル二臭化チタン、ジインデニル二塩化チタン、ビス(ジメトキシフルオレニル)二臭化チタン、ジインデニル二臭化チタン、ジメチルジフルオレニルチタン、ジメトキシジフルオレニルチタン、ジメトキシジインデニルチタン、ジメトキシビス(ジメトキシフルオレニル)チタン、ジフェノキシジフルオレニルチタン、ジフェノキシジインデニルチタン、ジフェノキシビス(ジメトキシフルオレニル)チタン及びジフェノキシジインデニルチタンから成る群から選ばれる一つであり、
前記アルキルアルミニウム(c)は、トリメチルアルミニウム、トリエチルアルミニウム、トリ− n −プロピルアルミニウム、トリイソプロピルアルミニウム、トリ− n −ブチルアルミニウム、トリ− tert −ブチルアルミニウム、トリイソブチルアルミニウム、トリ− n −ペンチルアルミニウム、トリイソペンチルアルミニウム、トリ− n −ヘキシルアルミニウム、トリイソヘキシルアルミニウム、トリ(1 − メチル−2 − ペンチル)アルミニウム、トリ(2,5 − ジメチルオクチル)アルミニウム、トリ(2,6 − ジメチルオクチル)アルミニウム、トリ(2 − エチルヘキシル)アルミニウム、トリフェニルアルミニウム、ジエチル塩化アルミニウムエチル二塩化アルミニウム、ジプロピル塩化アルミニウム、酸ジブチル塩化アルミニウム、ジイソブチル塩化アルミニウム、ブチル二塩化アルミニウム及びそれらの化合物から成る群から選ばれる一つであることを特徴とする請求項3に記載の触媒組成物。 - 前記化学式IIの構造を有する化合物(b)は、
前記化学式IIの構造を有する化合物(b1)において、R3とR6は、C1〜C8アルキル基であり、R4とR7は、C1〜C8アルキル基、C1〜C8の脂肪族基を有するアミノ基、C1〜C8の脂肪族基を有するエーテル基及びC1〜C8の脂肪族基を有するケトン基から成る群から選ばれた一つであり、R5は、C1〜C8のアルキレン基またはアルケニレン基、C1〜C8の脂肪族基を有するアミノ基、C1〜C8の脂肪族基を有するエーテル基及びC1〜C8の脂肪族基を有するケトン基から成る群から選ばれた一つであり、
前記化学式IIの構造を有する化合物(b2)において、R3とR6は、C1〜C4のアルキル基であり、R4とR7は、C1〜C6のアルキル基であり、R5は、C1〜C8のアルキレン基であり、
前記化学式IIの構造を有する化合物(b3)において、R3とR6は、C1〜C4のアルキル基であり、R4とR7は、C1〜C6のアルキル基であり、R5は、2つの条件のいずれかを有するR11R12R13Nであり、前記条件は、R11、R12とR13は、C1〜C6のアルキル基またはアルキレン基であり、又は、R11、R12とR13の中で、ただ一つは水素原子であり、他のものはC1−C6のアルキレン基であり、
前記化学式IIの構造を有する化合物(b4)において、R3とR6は、C1〜C4のアルキル基であり、R4とR7は、C1〜C6のアルキル基であり、R5は、R14OR15であり、R14とR15のいずれかは、C1〜C6のアルキレン基であり、
前記化学式IIの構造を有する化合物(b5)において、R3とR6は、C1〜C4のアルキル基であり、R4とR7は、C1〜C6のアルキル基であり、R5は、R16COR17のケトン基であり、R16とR17のいずれかは、C1〜C6のアルキレン基であり、
前記化学式IIの構造を有する化合物(b6)において、R3とR6のいずれかは、C1〜C4のアルキルであり、R4とR7のいずれかは、C1〜C6のアルキル基、C1〜C8の脂肪族基を有するアミノ基、C1〜C8の脂肪族基を有するエーテル基及びC1〜C8の脂肪族基を有するケトン基から成る群から選ばれた一つであり、R5は、C1〜C6のアルキレン基とR18NHR19のいずれかであり、R18とR19は、C1〜C4のアルキレン基であり、
前記(b1)乃至(b6)化合物から成る群より一つを選ぶことを特徴とする請求項1〜4のいずれか1項に記載の触媒組成物。 - 前記共役ジエン系重合体は、カチオン重合、ラジカル重合、配位重合又はアニオン重合によって重合され、
前記共役ジエン系重合体は、1000〜1,000,000の範囲の重量平均分子量を有し、
前記共役ジエン系重合体は、5%〜85%の重量%の共役ジエン単位を含むことを特徴とする請求項1〜5のいずれか1項に記載の触媒組成物。 - 前記チタン化合物(a)、前記化学式IIの構造を有する化合物(b)及び前記アルキルアルミニウム(c)のそれぞれは、同時に、又は順番に、前記共役ジエン系重合体の溶液に添加され、
前記チタン化合物(a)は、100グラムの前記共役ジエン系重合体に対し、0.001〜50ミリモルの範囲を有し、
前記化学式IIの構造を有する化合物(b)と前記チタン化合物(a)とのモル比は、0.1〜50の範囲を有し、
前記アルキルアルミニウム(c)と前記チタン化合物(a)とのモル比は、0.1〜50の範囲を有することを特徴とする請求項1〜5のいずれか1項に記載の触媒組成物。 - 共役ジエンによって形成される単独重合体及び前記共役ジエンとビニル芳香族化合物によって形成される共重合体のいずれかである共役ジエン系重合体を水素化するための水素化方法であって、
不活性溶媒中で不飽和二重結合を有する共役ジエン単位を含む前記共役ジエン系重合体を溶解する工程と、
請求項1に記載の触媒組成物を前記共役ジエン系重合体の溶液に添加する工程と、
水素ガスを導入することによって前記不飽和二重結合を水素化する工程と、を備えていることを特徴とする水素化方法。 - 前記水素化方法は、0℃〜200℃の範囲の温度及び1〜90 kg/cm2の範囲の圧力で行ない、
前記不飽和二重結合の水素化率は、50%以上であり、
前記共役ジエン系重合体は、フェニル二重結合を有するビニル芳香族ユニットを含み、
前記フェニル二重結合の水素化率は、10%以下である請求項8に記載の水素化方法。 - 前記共重合体は、スチレン−ブタジエン共重合体、スチレン−イソプレン共重合体及びスチレン(ブタジエン/イソプレン)共重合体から成る群から選ばれる一つである請求項8または9に記載の水素化方法
- 前記共重合体は、ブロック共重合体またはランダム共重合体であることを特徴とする請求項8〜10の何れかに記載の水素化方法。
- 前記スチレン−ブタジエン共重合体は、前記水素化の後に、スチレン−エチレン−ブタジエン−スチレン共重合体になり、
前記スチレン−イソプレン共重合体は、前記水素化の後に、スチレン−エチレン−プロピレン−スチレン共重合体になり、
前記スチレン(ブタジエン/イソプレン)共重合体は、前記水素化の後に、スチレン−エチレン−エチレン−プロピレン−スチレン共重合体になることを特徴とする請求項10または11に記載の水素化方法。
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