WO2015051569A1 - 茂金属配合物及其制备方法、催化剂组合物 - Google Patents
茂金属配合物及其制备方法、催化剂组合物 Download PDFInfo
- Publication number
- WO2015051569A1 WO2015051569A1 PCT/CN2013/086850 CN2013086850W WO2015051569A1 WO 2015051569 A1 WO2015051569 A1 WO 2015051569A1 CN 2013086850 W CN2013086850 W CN 2013086850W WO 2015051569 A1 WO2015051569 A1 WO 2015051569A1
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- WO
- WIPO (PCT)
- Prior art keywords
- group
- metallocene complex
- formula
- silyl
- alkyl
- Prior art date
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- 239000003054 catalyst Substances 0.000 title claims abstract description 43
- 239000000203 mixture Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 57
- 239000003446 ligand Substances 0.000 claims abstract description 52
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000005977 Ethylene Substances 0.000 claims abstract description 23
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims abstract description 21
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 claims abstract description 19
- 239000000178 monomer Substances 0.000 claims abstract description 17
- 150000001336 alkenes Chemical class 0.000 claims abstract description 15
- 150000003440 styrenes Chemical class 0.000 claims abstract description 9
- 150000001638 boron Chemical class 0.000 claims abstract description 8
- -1 silyl amino, dimethylamino, diethylamine Chemical compound 0.000 claims description 95
- 238000006243 chemical reaction Methods 0.000 claims description 52
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 45
- 229920000642 polymer Polymers 0.000 claims description 45
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 44
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 42
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 36
- 125000003118 aryl group Chemical group 0.000 claims description 31
- 125000001033 ether group Chemical group 0.000 claims description 25
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 22
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 20
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 20
- 239000002253 acid Substances 0.000 claims description 18
- 239000003960 organic solvent Substances 0.000 claims description 17
- 230000007935 neutral effect Effects 0.000 claims description 12
- 239000002879 Lewis base Substances 0.000 claims description 11
- 150000001993 dienes Chemical class 0.000 claims description 11
- 239000011261 inert gas Substances 0.000 claims description 11
- 150000007527 lewis bases Chemical class 0.000 claims description 11
- 229910052744 lithium Inorganic materials 0.000 claims description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 claims description 9
- 229910052717 sulfur Inorganic materials 0.000 claims description 9
- 229910052727 yttrium Inorganic materials 0.000 claims description 9
- 239000004711 α-olefin Chemical class 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 150000001555 benzenes Chemical group 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 7
- 150000002367 halogens Chemical class 0.000 claims description 7
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 5
- 229910052706 scandium Inorganic materials 0.000 claims description 5
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims description 4
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 4
- 150000002602 lanthanoids Chemical class 0.000 claims description 4
- 125000006606 n-butoxy group Chemical group 0.000 claims description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims 12
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 4
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims 3
- 239000007818 Grignard reagent Substances 0.000 claims 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 23
- 229920001577 copolymer Polymers 0.000 abstract description 14
- 229910052751 metal Inorganic materials 0.000 abstract description 12
- 238000003780 insertion Methods 0.000 abstract description 9
- 230000037431 insertion Effects 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 9
- 125000000623 heterocyclic group Chemical group 0.000 abstract description 8
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- 238000000921 elemental analysis Methods 0.000 description 39
- 239000004793 Polystyrene Substances 0.000 description 31
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- 239000000243 solution Substances 0.000 description 31
- 150000001241 acetals Chemical class 0.000 description 25
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 24
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 21
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 18
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 18
- 238000005481 NMR spectroscopy Methods 0.000 description 17
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 13
- 125000002723 alicyclic group Chemical group 0.000 description 13
- 239000003153 chemical reaction reagent Substances 0.000 description 13
- 125000001931 aliphatic group Chemical group 0.000 description 12
- MGNZXYYWBUKAII-UHFFFAOYSA-N cyclohexa-1,3-diene Chemical compound C1CC=CC=C1 MGNZXYYWBUKAII-UHFFFAOYSA-N 0.000 description 12
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 11
- ZEEBGORNQSEQBE-UHFFFAOYSA-N [2-(3-phenylphenoxy)-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical group C1(=CC(=CC=C1)OC1=NC(=CC(=C1)CN)C(F)(F)F)C1=CC=CC=C1 ZEEBGORNQSEQBE-UHFFFAOYSA-N 0.000 description 11
- 229920000573 polyethylene Polymers 0.000 description 11
- 125000006736 (C6-C20) aryl group Chemical group 0.000 description 10
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 10
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 9
- BXOUVIIITJXIKB-UHFFFAOYSA-N ethene;styrene Chemical group C=C.C=CC1=CC=CC=C1 BXOUVIIITJXIKB-UHFFFAOYSA-N 0.000 description 9
- 229930192474 thiophene Natural products 0.000 description 9
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 8
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 8
- 230000008859 change Effects 0.000 description 8
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 8
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 8
- 238000009826 distribution Methods 0.000 description 7
- 229910052746 lanthanum Inorganic materials 0.000 description 7
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 125000003545 alkoxy group Chemical group 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 238000000113 differential scanning calorimetry Methods 0.000 description 6
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 6
- 125000003342 alkenyl group Chemical group 0.000 description 5
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cis-cyclohexene Natural products C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 5
- 238000007334 copolymerization reaction Methods 0.000 description 5
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- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 150000002910 rare earth metals Chemical class 0.000 description 5
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- YBCAZPLXEGKKFM-UHFFFAOYSA-K ruthenium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Ru+3] YBCAZPLXEGKKFM-UHFFFAOYSA-K 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
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- 150000003973 alkyl amines Chemical class 0.000 description 4
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical group B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 4
- DBDNZCBRIPTLJF-UHFFFAOYSA-N boron(1-) monohydride Chemical compound [BH-] DBDNZCBRIPTLJF-UHFFFAOYSA-N 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 4
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- 239000001257 hydrogen Substances 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 150000008040 ionic compounds Chemical class 0.000 description 4
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- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 3
- PRBHEGAFLDMLAL-UHFFFAOYSA-N 1,5-Hexadiene Natural products CC=CCC=C PRBHEGAFLDMLAL-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 239000012327 Ruthenium complex Substances 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 3
- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 description 3
- 125000004914 dipropylamino group Chemical group C(CC)N(CCC)* 0.000 description 3
- DZGCGKFAPXFTNM-UHFFFAOYSA-N ethanol;hydron;chloride Chemical compound Cl.CCO DZGCGKFAPXFTNM-UHFFFAOYSA-N 0.000 description 3
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- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
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- APPOKADJQUIAHP-GGWOSOGESA-N (2e,4e)-hexa-2,4-diene Chemical compound C\C=C\C=C\C APPOKADJQUIAHP-GGWOSOGESA-N 0.000 description 1
- OGQVROWWFUXRST-FNORWQNLSA-N (3e)-hepta-1,3-diene Chemical compound CCC\C=C\C=C OGQVROWWFUXRST-FNORWQNLSA-N 0.000 description 1
- AHAREKHAZNPPMI-AATRIKPKSA-N (3e)-hexa-1,3-diene Chemical compound CC\C=C\C=C AHAREKHAZNPPMI-AATRIKPKSA-N 0.000 description 1
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- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OBXVAPDLYPNNKN-UHFFFAOYSA-N CC(=CC(=C)S)S Chemical compound CC(=CC(=C)S)S OBXVAPDLYPNNKN-UHFFFAOYSA-N 0.000 description 1
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- 229910052684 Cerium Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
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- KFNNIILCVOLYIR-UHFFFAOYSA-N Propyl formate Chemical compound CCCOC=O KFNNIILCVOLYIR-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 125000005264 aryl amine group Chemical group 0.000 description 1
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- 238000012660 binary copolymerization Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
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- 238000001035 drying Methods 0.000 description 1
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- 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
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- 238000003786 synthesis reaction Methods 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- MCWWHQMTJNSXPX-UHFFFAOYSA-N tribenzylalumane Chemical compound C=1C=CC=CC=1C[Al](CC=1C=CC=CC=1)CC1=CC=CC=C1 MCWWHQMTJNSXPX-UHFFFAOYSA-N 0.000 description 1
- SQBBHCOIQXKPHL-UHFFFAOYSA-N tributylalumane Chemical compound CCCC[Al](CCCC)CCCC SQBBHCOIQXKPHL-UHFFFAOYSA-N 0.000 description 1
- ZIYNWDQDHKSRCE-UHFFFAOYSA-N tricyclohexylalumane Chemical compound C1CCCCC1[Al](C1CCCCC1)C1CCCCC1 ZIYNWDQDHKSRCE-UHFFFAOYSA-N 0.000 description 1
- YGRHYJIWZFEDBT-UHFFFAOYSA-N tridecylaluminum Chemical compound CCCCCCCCCCCCC[Al] YGRHYJIWZFEDBT-UHFFFAOYSA-N 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- ZMANZCXQSJIPKH-UHFFFAOYSA-O triethylammonium ion Chemical compound CC[NH+](CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-O 0.000 description 1
- ORYGRKHDLWYTKX-UHFFFAOYSA-N trihexylalumane Chemical compound CCCCCC[Al](CCCCCC)CCCCCC ORYGRKHDLWYTKX-UHFFFAOYSA-N 0.000 description 1
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 1
- LFXVBWRMVZPLFK-UHFFFAOYSA-N trioctylalumane Chemical compound CCCCCCCC[Al](CCCCCCCC)CCCCCCCC LFXVBWRMVZPLFK-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Substances C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 1
- CNWZYDSEVLFSMS-UHFFFAOYSA-N tripropylalumane Chemical compound CCC[Al](CCC)CCC CNWZYDSEVLFSMS-UHFFFAOYSA-N 0.000 description 1
- 150000003648 triterpenes Chemical class 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 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
- C08F4/58—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 silicon, germanium, tin, lead, antimony, bismuth or compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F19/00—Metal compounds according to more than one of main groups C07F1/00 - C07F17/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F17/00—Metallocenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
-
- 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
- C08F4/52—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 selected from boron, aluminium, gallium, indium, thallium or rare earths
-
- 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
- C08F12/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F12/02—Monomers containing only one unsaturated aliphatic radical
- C08F12/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F12/06—Hydrocarbons
- C08F12/08—Styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2420/00—Metallocene catalysts
- C08F2420/06—Cp analog where at least one of the carbon atoms of the non-coordinating part of the condensed ring is replaced by a heteroatom
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F36/20—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds unconjugated
Definitions
- the invention belongs to the technical field of catalysts, and in particular relates to a metallocene complex, a preparation method thereof and a catalyst composition.
- the metallocene complex refers to a compound in which a central metal is coordinated to one or more cyclopentadienyl groups or derivatives thereof, and plays a very important role as a catalyst in various polymerization reactions. Among them, a metal complex combined with a cyclopentyl group or a derivative becomes a single metallocene complex.
- the metallocene complexes Due to the different types of central metals, the metallocene complexes have completely different properties, such as catalyst activity for polymerization, especially in the successful preparation and as a highly efficient activation reagent for organoborane B (C 6 F 5 ) 3 and organic After the boron salt [Ph 3 C][B(C 6 F 5 ) 4 ] and [PhNMe 2 H][B(C 6 F 5 ) 4 ], the single-ratrix rare earth metal complex is catalytically polar or non-polar
- monomers such as conjugated diolefins, styrene, ethylene, and alpha-olefins
- monomers such as conjugated diolefins, styrene, ethylene, and alpha-olefins
- a metallocene complex containing a Group III metal or a lanthanide metal has been reported as follows: In 1999, a single-density bis-alkyl complex (C 5 Me 4 SiMe 2 R) Y(CH 2 SiMe 3 ) reported by the German scientist Okuda Group. 2 (THF) is a milestone breakthrough (K c. Hultzsch, TP Spaniol and J. Okuda, Angew. Chem. Int.
- the cycloolefin polymer is expected to replace PMMA and PC for optical materials because of its excellent heat resistance and strength and optical properties.
- Most of the petroleum cracking product C5-fraction is cyclopentadiene, which spontaneously undergoes a Diels-Alder reaction at room temperature and is converted to DCPD. Therefore, studies on the copolymerization of DCPD with ethylene, ⁇ -olefin or styrene have received extensive attention.
- transition metal compounds having a heterocyclic fused five-membered ring ⁇ ligand and olefin polymerization using the transition metal compound have been studied, which have the advantages of high activity, high molecular weight, etc., but all of them contain side chains, and the pair has a larger
- the study of open-chain, single-metallocene complexes without side chains has not been reported.
- the technical problem to be solved by the present invention is to provide a metallocene complex and a preparation method thereof, and a catalyst composition, which does not contain a side chain.
- the present invention provides a metallocene complex as shown in formula (I):
- Ln is one of fourteen elements of lanthanum (Sc), y (Y) and an atomic number of 57-71;
- Ri, R 2 , R 3 , R 4 and R 5 are each independently selected from H, C1 to C20 alkyl, acetal-containing C1 to C20 alkyl, ketal-containing C1 to C20 alkyl, and a C1 to C20 alkyl group of an ether group, a C1 to C20 alkenyl group, an acetal-containing C1-C20 alkenyl group, a ketal-containing C1 to C20 alkenyl group, an ether group-containing C1 to C20 alkenyl group, and an ether group;
- R 2 is bonded to each other to form a ring, or R 2 and R 3 are bonded to each other to form a ring, or R 5 is bonded to each other to form a ring;
- E is 0, S or N-R; the R is a fluorenyl group, a benzene ring or a substituted benzene ring;
- Each of X 2 and X 2 is independently selected from the group consisting of hydrogen, an aliphatic group of C1 to C20, an alicyclic group of C1 to C20, a phenyl group, a substituted phenyl group, an alkoxy group of C1 to C20, and an alkylamine of C1 to C20.
- the substituted phenyl group is an aliphatic group of C1 to C20; a phenyl group substituted with one or more of an alicyclic group of C1 to C20 and an aromatic group;
- L is a neutral Lewis base
- w is an integer of 0 to 3.
- the C1 to C20 aliphatic group is selected from the group consisting of a mercapto group, an ethyl group, a propyl group, an isopropyl group, a butyl group, a sec-butyl group and a t-butyl group.
- the X 2 and each of X 2 are independently selected from the group consisting of a silicon amino group, a dinonylamino group, a diethylamino group, a dipropylamino group, an anthracene, a fluorenyl-diphenylaminophenyl group, a tris-silyl fluorenyl group, and a bis-trimethylene group.
- the allyl derivative is -C 3 H n R 6 ; the n is 3 or 4; the R 6 is a C1 ⁇ C20 aliphatic group, a C1 ⁇ C20 alicyclic group And a substituted phenyl group; the substituted phenyl group is a C1 to C20 aliphatic group, a C1 to C20 alicyclic group, and one or more substituted phenyl groups in the aromatic group.
- the L is tetrahydrofuran, diethyl ether or terpene.
- the invention also provides a preparation method of a metallocene complex, comprising:
- the cyclopentadienyl ligand represented by the formula (II) is reacted with the rare earth compound in a first organic solvent under inert gas protection to obtain a metallocene complex represented by the formula (I). versus
- X 2 is each independently a C1 to C20 silane group; the rare earth compound is a group containing a group and X 2 ;
- the reaction is further carried out by adding an allyl format reagent and/or an allyl derivative format reagent for the third reaction.
- Ln is one of fourteen elements of lanthanum (Sc), yttrium (Y) and an atomic number of 57-71;
- Ri, R 2 , R 3 , R 4 and R 5 are each independently selected from H, C1 to C20 alkyl group, acetal-containing C1 to C20 alkyl group, ketal-containing C1 to C20 alkyl group, ether group-containing C1 to C20 alkyl group, C1 to C20 alkenyl group, and C1-C20 alkenyl of acetal, C1-C20 alkenyl group containing ketal, C1-C20 alkenyl group containing an ether group, aryl group of C6-C20, C6-C20 aryl group containing acetal, a ketal-containing C6-C20 aryl group, an acid group-containing C6-C20 aryl group, a C1 to C20 silane group, an acetal-containing C1 to C20 si
- R 2 is bonded to each other to form a ring, or R 2 and R 3 are bonded to each other to form a ring, or R 5 is bonded to each other to form a ring;
- E is 0, S or N-R; the R is a fluorenyl group, a benzene ring or a substituted benzene ring;
- 1 and 2 each independently selected from the group consisting of a silane group, an allyl group and an allyl derivative of C1 to C20;
- L is a neutral Lewis base
- w is an integer of 0 to 3.
- the present invention also provides a catalyst composition comprising the metallocene complex represented by formula (I) and an organic boron salt;
- Ln is one of fourteen elements of lanthanum (Sc), yttrium (Y) and an atomic number of 57-71;
- Ri, R 2 , R 3 , R 4 and R 5 are each independently selected from H, C1 to C20 alkyl, acetal-containing C1 to C20 alkyl, ketal-containing C1 to C20 alkyl, and a C1 to C20 alkyl group of an ether group, a C1 to C20 alkenyl group, an acetal-containing C1-C20 alkenyl group, a ketal-containing C1 to C20 alkenyl group, an ether group-containing C1 to C20 alkenyl group, and an ether group;
- E is 0, S or N-R; the R is a fluorenyl group, a benzene ring or a substituted benzene ring;
- Each of X 2 and X 2 is independently selected from the group consisting of hydrogen, an aliphatic group of C1 to C20, an alicyclic group of C1 to C20, a phenyl group, a substituted phenyl group, an alkoxy group of C1 to C20, and an alkylamine of C1 to C20.
- the substituted phenyl group is an aliphatic group of C1 to C20; a phenyl group substituted with one or more of an alicyclic group of C1 to C20 and an aromatic group;
- L is a neutral Lewis base
- w is an integer of 0 to 3.
- an aluminum alkyl is also included.
- the invention also provides a preparation method of a polymer, comprising:
- the catalyst composition is mixed with an olefin monomer to carry out a polymerization reaction to obtain a polymer.
- the olefin monomer is selected from one or more of styrene, substituted styrene, ethylene, an ⁇ -olefin, a cyclic olefin and a non-conjugated diene.
- the present invention provides a metallocene complex, a process for preparing the same, and a catalyst composition comprising the metallocene complex represented by formula (I) and an organic boron salt.
- the metallocene complex represented by the catalyst (I) of the present invention does not contain a side chain, and the coordination space of the central metal is large, so the catalytic activity for the large hindered monomer is high.
- the insertion rate is also high; and the metallocene complex represented by the formula (I) used in the present invention is a heterocyclic fused cyclopentadienyl ligand, and the heterocyclic ring has a strong electron donating ability, and is used for The fused cyclopentanyl group can change the electronic effect of the metal center, thereby increasing the activity of the catalyst. Therefore, the metallocene complex represented by the formula (I) can be used to prepare high activity. High insertion rate copolymer of ethylene and other olefins, and also high-synthesis, high activity catalyzed polymerization of styrene and substituted styrene.
- Example 1 is a nuclear magnetic resonance spectrum of a metallocene decane complex (1-2) obtained in Example 2 of the present invention
- Figure 2 is a nuclear magnetic resonance spectrum of the metallocene decane complex (1-3) obtained in Example 3 of the present invention
- Figure 3 is a nuclear magnetic resonance spectrum of the styrene-ethylene polymer obtained in Example 28 of the present invention
- Figure 4 is a nuclear magnetic resonance spectrum of the ethylene-DCPD polymer obtained in Example 34 of the present invention
- the present invention provides a metallocene complex as shown in formula (I):
- Ln is one of fourteen elements of lanthanum (Sc), yttrium (Y) and an atomic number of 57-71;
- Ri, R 2 , R 3 , R 4 and R 5 are each independently selected from H, C1 to C20 alkyl, acetal-containing C1 to C20 alkyl, ketal-containing C1 to C20 alkyl, and a C1 to C20 alkyl group of an ether group, a C1 to C20 alkenyl group, an acetal-containing C1-C20 alkenyl group, a ketal-containing C1 to C20 alkenyl group, an ether group-containing C1 to C20 alkenyl group, and an ether group;
- R 2 is bonded to each other to form a ring, or R 2 and R 3 are bonded to each other to form a ring, or R 5 is bonded to each other to form a ring;
- E is 0, S or N-R; the R is a fluorenyl group, a benzene ring or a substituted benzene ring;
- Each of X 2 and X 2 is independently selected from the group consisting of hydrogen, an aliphatic group of C1 to C20, an alicyclic group of C1 to C20, a phenyl group, a substituted phenyl group, an alkoxy group of C1 to C20, and an alkylamine of C1 to C20.
- the substituted phenyl group is an aliphatic group of C1 to C20; a phenyl group substituted with one or more of an alicyclic group of C1 to C20 and an aromatic group;
- L is a neutral Lewis base
- w is an integer of 0 to 3.
- Ln is one of fourteen elements of lanthanum (Sc), yttrium (Y) and an atomic number of 57-71, preferably from Sc, Y, La, Ce, Pr, Nd, Pm , Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb or Lu, more preferably Sc, Y, Lu, Dy, Er or Gd.
- Sc lanthanum
- Y yttrium
- R 2 , R 3 , R 4 and R 5 are each independently selected from the group consisting of H, C1 to C20 alkyl groups, and acetal-containing
- silane groups preferably an alkyl group of H, C1 to C10, a C1 to C10 alkyl group containing an acetal, a C1 to C10 alkyl group containing a ketal, and a C1 to C10 alkyl group having an ether group.
- R 1 and R 2 are bonded to each other to form a ring, preferably to form a five-membered ring or a six-membered ring; or R 2 and R 3 are bonded to each other to form a ring, preferably to form a five-membered ring or a six-membered ring; or R 4 and R 5 is bonded to each other to form a ring, preferably to form a five-membered ring or a six-membered ring; when the substituent may form a ring, the metallocene ⁇ 4 represented by the formula (I) is as shown:
- E is 0, S or N-R; and R is a fluorenyl group, a phenyl group or a substituted phenyl group, preferably a fluorenyl group or a phenyl group.
- Each of X 2 and X 2 is independently selected from the group consisting of hydrogen, an aliphatic group of C1 to C20, an alicyclic group of C1 to C20, a phenyl group, a substituted phenyl group, an alkoxy group of C1 to C20, and an alkylamine of C1 to C20.
- the substituted phenyl group is an aliphatic group of C1 to C20; a phenyl group substituted with one or more of an alicyclic group of C1 to C20 and an aromatic group.
- the aliphatic group of C1 to C20 is preferably an aliphatic group of C1 to C10, more preferably one of a mercapto group, an ethyl group, a propyl group, an isopropyl group, a butyl group, and a sec-butyl group;
- the alicyclic group of C1 to C20 is preferably a C1 to C10 alicyclic group, more preferably a C3 to C6 alicyclic group; and the C1 to C20 alkoxy group is preferably C1 to C10.
- the alkoxy group is more preferably a C1 to C5 alkoxy group, and still more preferably one of a decyloxy group, an ethoxy group, an isopropoxy group, a n-propoxy group and a n-butoxy group;
- the alkylamino group of C20 is preferably a C1 to C10 alkylamino group, more preferably one of a dinonylamino group, a diethylamino group and a dipropylamino group; and the C1 to C20 arylamine group is preferably a C1 to C10 group.
- the arylamine group is more preferably an anthracene, fluorenyl-diaminophenyl group;
- the silane group of C1 to C20 is preferably a C1 to C10 silane group, more preferably a tris-silyl fluorenyl group or a bis-trisyl fluorenyl group.
- the substituted phenyl group is preferably o-nonylphenyl or o-diphosphinylphenyl; the halogen is one of fluorine, chlorine, bromine and iodine, and is not particularly limited.
- the allyl derivative is preferably -C 3 H n R 6 ; the n is 3 or 4; the C1 to C20 aliphatic group, the C1 to C20 alicyclic group, the phenyl group or a substituted phenyl group; the substituted phenyl group being a C1 to C20 aliphatic group, a C1 to C20 alicyclic group, and one or more substituted phenyl groups in the aromatic group.
- the aliphatic group of C1 to C20 in the R 6 and the alicyclic group of C1 to C20 The group has the same range as the above-mentioned C1 to C20 aliphatic group and C1 to C20 alicyclic group in X 2 , and details are not described herein again.
- each independently of X 2 is preferably a silicon amino group (N(SiMe 3 ) 2 ), a dinonylamino group, a diethylamino group, a dipropylamino group, an anthracene, a fluorenyl-diphenylaminophenyl group, a triterpene silicon.
- n-butoxy group and allyl group is more preferably a trimethylsilyl fluorenyl group or an allyl group.
- the oxime 2 may be the same group or different, and is not particularly limited.
- L is a neutral Lewis base
- w is an integer of 0 to 3.
- the neutral Lewis base is not particularly limited as long as it is a neutral Lewis base well known to those skilled in the art, and is preferably tetrahydrofuran, diethyl ether or anthracene in the present invention.
- the metallocene complex represented by the formula (I) is preferably a compound having the following structure:
- the metallocene complex represented by the formula (I) does not contain a side chain, and the coordination space of the central metal is large, so that the catalytic activity for the macro-blocking monomer is high, and the insertion ratio is also high; and the present invention is used.
- the metallocene complex represented by the formula (I) is a heterocyclic fused cyclopentaphthyl ligand, and the heterocyclic ring has a strong electron donating ability, and is used to condense the cyclopentanyl group, and the metal center can be changed.
- the metallocene complex represented by the formula (I) can be used to prepare a copolymer of ethylene and other olefins having high activity and high insertion rate, and also has high syndiotacticity and high activity. Polymerization of styrene and substituted styrene.
- the present invention provides a method for producing a metallocene complex represented by the above formula (I), which comprises: when the metallocene complexes X and X 2 represented by the formula (I) are each independently a C1 to C20 alkoxy group,
- the metallocene complex represented by the formula (I) is prepared according to the following steps: under the inert gas protection, the cyclopentadienyl ligand represented by the formula ( ⁇ ) and the rare earth compound are in the first organic solvent.
- the anti-complex is carried out.
- Ln is one of fourteen elements of lanthanum (Sc), y (Y) and an atomic number of 57-71;
- Ri, R 2 , R 3 , R 4 and R 5 are each independently selected from H, C1 to C20 alkyl, acetal-containing C1 to C20 alkyl, ketal-containing C1 to C20 alkyl, and a C1 to C20 alkyl group of an ether group, a C1 to C20 alkenyl group, an acetal-containing C1-C20 alkenyl group, a ketal-containing C1 to C20 alkenyl group, an ether group-containing C1 to C20 alkenyl group, and an ether group;
- E is 0, S or N-R; the R is a fluorenyl group, a benzene ring or a substituted benzene ring;
- X 2 are independently selected from the group consisting of silane groups, allyl groups and allyl derivatives of C1 to C20 a substituted phenyl group is an aliphatic group of C1 to C20, an alicyclic group of C1 to C20, and a phenyl group substituted with one or more of the aromatic groups;
- L is a neutral Lewis base
- w is an integer of 0 to 3.
- Ln, R 2 , R 3 , R 4 , R 5 , E , X 2 and L are the same as described above, and are not described herein again.
- the present invention is not limited to the source of all raw materials and is commercially available.
- the cyclopentanyl ligand represented by the formula (II) may be commercially available or may be produced according to an existing method without particular limitation.
- cyclopentadienyl ligand represented by the formula (II) is a thiophene.
- fused cyclopentadienyl ligand it can be prepared according to the following scheme:
- cyclopentaphthyl ligand represented by the formula (II) is a pyrrole-fused cyclopentadienyl ligand, it is preferably prepared according to the following scheme:
- the inert gas may be an inert gas well known to those skilled in the art, and is not particularly limited. In the present invention, nitrogen or argon is preferred.
- the cyclopentanyl ligand represented by the formula (II) is reacted with a rare earth compound in a first organic solvent under inert gas protection, the first organic organic solvent being organically known to those skilled in the art
- the solvent is not particularly limited, and is preferably n-hexane in the present invention;
- the molar ratio of the cyclopentaphthyl ligand to the rare earth compound represented by the formula (II) is preferably 1: (1 to 1.2), More preferably, it is preferably 1:1;
- the reaction time of the cyclopentanyl ligand represented by the formula (II) and the rare earth compound in the first organic solvent is preferably 6 to 15 h, more preferably 6 to 14 h, still more preferably 6 ⁇ 12h.
- reaction solution is preferably concentrated, and after recrystallization, a metallocene complex represented by the formula (I) is obtained.
- the metallocene complex represented by the formula (I) is prepared according to the following procedure: Under the protective conditions, the cyclopentanyl ligand represented by the formula ( ⁇ ) is first reacted with the alkyl lithium in the second organic solvent, and then the rare earth halide is added for the second reaction, and then the olefin is added. The propyl format reagent and/or the allyl derivative format reagent is subjected to a third reaction to obtain a metallocene complex represented by the formula (I) in which Xi and X 2 are each independently an allyl or allyl derivative. .
- the inert gas is an inert gas well known to those skilled in the art, preferably nitrogen.
- the first reaction of the cyclopentanyl ligand represented by the formula (II) with the alkyllithium in the second organic solvent under an inert gas protection, the molar ratio of the two is preferably 1: (1) ⁇ 1.2), more preferably 1:1;
- the alkyl lithium is not limited to the alkyl lithium well known to those skilled in the art, and is preferably n-butyllithium in the present invention;
- the solvent is not particularly limited as long as it is an organic solvent well known to those skilled in the art.
- tetrahydrofuran is preferred; according to the present invention, it is preferred to first formula (II)
- the cyclopentanyl ligand shown is dissolved in a second organic solvent and placed in an environment of -78 ° C to 0 ° C, followed by the addition of an alkyl lithium for the first reaction.
- an alkyl lithium for the first reaction.
- the organic solvent for dissolving the alkyllithium may be the same as or different from the second organic solvent, and is not particularly limited.
- n-hexane is preferred; the alkyllithium is dissolved in an organic solvent, and the amount of the organic solvent is preferably an alkane.
- the concentration of lithium is 1.0 to 2.0 mol/L.
- the first reaction is carried out after the addition of the alkyllithium, and the temperature of the first reaction is preferably -78 ° C to 0 ° C, more preferably -50 ° C to 0 ° C, and even more preferably -10 to 0;
- the time of the first reaction is preferably from 0.8 to 1.5 h, more preferably from 0.8 to 1.2 h, still more preferably 1 h.
- the rare earth halide is a rare earth compound known to those skilled in the art, and is not particularly limited.
- a rare earth trichloride is preferred; the rare earth!
- the molar ratio of the compound to the cyclopentanyl ligand represented by the formula (II) is preferably (1 to 1.2): 1 , more preferably 1:1; and the time for carrying out the second reaction after adding the rare earth halide is preferred. It is 3 to 5 g, more preferably 3.5 to 4.5 h, and still more preferably 4 h.
- an allyl format reagent and/or an allyl derivative format reagent is added, and the allyl format reagent is preferably C 3 3 ⁇ 4MgCl; the allyl derivative format reagent is preferably C 3 H n R 6 MgCl, the n is 3 or 4; the R 6 is the same as described above, and is not described herein again; the allyl format reagent and/or the allyl derivative format reagent and the formula (II)
- the molar ratio of the cyclopentadienyl ligand shown is preferably (2 to 2.4): 1, more preferably 2:1.
- the third reaction is carried out after adding the allyl format reagent and/or the allyl derivative format reagent, and the third reaction is preferably carried out at room temperature, and the reaction time is preferably 10 to 14 h, more preferably 11 to 1. 13 h, and more preferably 12 h.
- the solvent is preferably removed, extracted with toluene, and concentrated to obtain a metallocene complex represented by the formula (I) which is independently an allyl or allyl derivative.
- the present invention also provides a catalyst composition comprising the metallocene complex represented by formula (I) and an organic boron salt;
- the organoboron salt is an activator which is an ionic compound.
- the cationic portion of the ionic compound is preferably one or more of a carbocation, an oxonium ion, an ammonia cation, and a phosphine cation.
- the carbocation is preferably a (triphenyl) carbocation and/or a tri(substituted phenyl) carbocation;
- the tris(substituted phenyl) carbocation is preferably tris(nonylphenyl) One or more of a carbocation, a tris(dinonylphenyl) carbocation and a tris(tridecylphenyl) carbocation;
- the amino cation is preferably a tridecylamino cation, a triethylammonium cation, One or more of a tripropylammonium cation and a tributylammonium cation;
- the phosphine cation is
- the anion portion of the ionic compound is a tetravalent boron anion, and the tetravalent boron anion is not particularly limited as long as it is a tetravalent boron anion known to those skilled in the art, and tetra(phenyl)boron is preferred in the present invention.
- the ionic compound in the present invention may be a combination of any of the above anions and cations, preferably [Ph 3 C][B(C 6 F 5 ) 4 ], [PhMe 2 NH][B(C 6 F 5 4 ], or a neutral compound B(C 6 F 5 ) 3 containing boron, more preferably [Ph 3 C][B(C 6 F 5 ) 4 ].
- the molar ratio of the organic boron salt to the metallocene complex represented by the formula (I) is preferably (0.5 to 10): 1 , more preferably (1 to 5): 1 , still more preferably For (1 ⁇ 3): 1.
- the catalyst composition preferably further comprises an aluminum alkyl.
- the aluminum alkyl is preferably tridecyl aluminum, triethyl aluminum, tri-n-propyl aluminum, tri-n-butyl aluminum, triisopropyl aluminum, triisobutyl aluminum, triamyl aluminum, trihexyl aluminum, Tricyclohexyl aluminum, trioctyl aluminum, triphenyl aluminum, tris-p-phenylphenyl aluminum, tribenzyl aluminum, ethyl dibenzyl aluminum, ethyl di-p-phenyl phenyl aluminum and diethyl benzyl aluminum One or several.
- the molar ratio of the alkyl aluminum compound to the metallocene complex represented by the formula (I) in the catalyst composition is preferably (2 to 200): 1 , more preferably (2 to 100): 1 , still more preferably (5 to 50). ): 1.
- the catalyst composition of the present invention can be used to catalyze the copolymerization of one or more of styrene, substituted styrene, ethylene, an ⁇ -olefin, a cyclic olefin, and a non-conjugated diene.
- the ⁇ -olefin monomer is preferably a C2 to C20 ⁇ -olefin, more preferably 1-hexyl or 1-octene; and the cyclic olefin is preferably a C5 to C20 cyclic olefin, more preferably C5 ⁇
- the non-conjugated diene is preferably a C4 to C20 diene or a substitution
- the diene is more preferably a C4 to C10 diene or a substituted diene, and further preferably 1,3-hexadiene, 1,4-hexadiene, 1,5-hexadiene, 2,4-di Mercapto-1,3-pentadiene, 2-mercapto-1,3-hexad
- the metallocene complex represented by the formula (I) does not contain a side chain, and the coordination space of the central metal is large, so that the catalytic activity for the large hindered monomer is high, and the insertion rate is also high.
- the metallocene complex represented by the formula (I) used in the present invention is a heterocyclic fused cyclopentadienyl ligand, and the heterocyclic ring has a strong electron donating ability, and is used to condense the cyclopentane. a second base, which can change the electronic effect of the metal center, thereby increasing the activity of the catalyst.
- a metallocene complex represented by the formula (I) can be used to prepare a copolymer of ethylene and other olefins having high activity and high insertion rate, and It is also possible to prepare styrene and substituted styrene with high syndiotacticity and high activity.
- the present invention also provides a process for producing a polymer obtained by mixing the above catalyst composition with an olefin monomer to carry out a polymerization reaction to obtain a polymer.
- the olefin monomer is selected from one or more of styrene, substituted styrene, ethylene, an ⁇ -olefin, a cyclic olefin and a non-conjugated diene.
- the substituted styrene, a-olefin, cyclic olefin and non-conjugated diene are the same as described above and will not be described herein.
- the catalyst composition is mixed with an olefin monomer, preferably after the catalyst composition is mixed, and the activation reaction is carried out for 0.5 to 10 minutes, more preferably 1 to 5 minutes, further preferably 1 minute, and then mixed with the olefin monomer to carry out polymerization.
- the conditions of the polymerization reaction are not particularly limited, and the temperature of the polymerization reaction in the present invention is preferably from 20 ° C to 60 ° C, more preferably from 25 ° C to 40 ° C.
- the polymerization reaction time is preferably from 5 to 100 min, more preferably from 5 to 60 min.
- the reaction is preferably terminated with an ethanolic hydrochloric acid solution.
- the volume ratio of hydrochloric acid to ethanol in the hydrochloric acid ethanol solution is preferably 1: (5 to 15), more preferably 1: (8-12), still more preferably 1:10.
- the reaction solution is preferably poured into ethanol and precipitated, and filtered to obtain a polymer.
- the catalyst composition of the present invention exhibits high activity and high comonomer insertion rate in catalyzing the copolymerization of ethylene with styrene, ⁇ -olefin, cyclic olefin, and non-conjugated diene.
- the metallocene decane alkyl complex (1-1) obtained in Example 1 was analyzed by elemental analysis to obtain an elemental analysis (%). The result was: C 58.52; H8.85.
- the methoxyalkylene complex (1-2) obtained in Example 2 was analyzed by nuclear magnetic resonance to obtain a nuclear magnetic resonance spectrum, as shown in Fig. 1.
- the NMR results are:
- Example 2 The metallocene decane complex (1-2) obtained in Example 2 was analyzed by elemental analysis to obtain an elemental analysis (%). The result was: C 59.96; H 9.68.
- the methoxyalkyl group complex (1-3) obtained in Example 3 was analyzed by nuclear magnetic resonance to obtain a nuclear magnetic resonance spectrum, as shown in Fig. 2.
- the NMR results are:
- Example 3 The metallocene decane complex (1-3) obtained in Example 3 was analyzed by elemental analysis to obtain an elemental analysis (%). The result was: C 59.32; H 9.64.
- Metallocene Complex 1-4 ⁇ [-9, except that the ligand and the rare earth compound were replaced accordingly, the other conditions and procedures were the same as in Example 1. Metallocene complexes 1-4 ⁇ 1-9 preparation materials and results are shown in Table 1.
- the thiophene was used. Partitioned fused cyclopentanyl ligand 4 (0.23 g, 1.00 mmol) with trialkyl 4 ethane complex Y(CH 2 SiMe 3 ) 3 (thf) 2 and trialkyl ruthenium complex Dy (CH, respectively) 2 SiMe 3 ) 3 (thf) 2 is reacted to obtain metallocene complexes 1-11 and 1-12.
- the metallocene complex 1-11 has a molecular formula of C 27 H 43 OSYSi 2 with a yield of 69%; the metallocene complex 1-12 has a molecular formula of C 27 H 43 OSD y Si 2 with a yield of 72%.
- Example 6 The metallocene complex 1-11 obtained in Example 6 was analyzed by elemental analysis to obtain the elemental analysis (%). The result was: C 57.49; H 8.09.
- Example 6 The metallocene complexes 1-12 obtained in Example 6 were analyzed by elemental analysis to obtain an elemental analysis (%). The results were as follows: C 51.36; H 7.14.
- a pyrrole fused cyclopentyl ligand 5 (0.30 g, 2.04 mmol) was separately combined with a trialkyl 4 ethyl complex Y(CH 2 SiMe 3 ) 3 (thf) 2 and The trialkyl chelating complex Gd(CH 2 SiMe 3 ) 3 (thf) 2 is reacted to obtain metallocene complexes 1-14 and 1-15.
- the metallocene complex 1-14 has a molecular formula of C 22 H 42 NOYSi 2 in a yield of 64%; the metallocene complex 1-15 has a molecular formula of C 22 H 42 NOGdSi 2 and a yield of 62%.
- Example 8 The metallocene complexes 1-14 obtained in Example 8 were analyzed by elemental analysis to obtain the elemental analysis (%). The results were as follows: C 54.78; H8.43; N2.68.
- Example 8 The metallocene complexes 1-15 obtained in Example 8 were analyzed by elemental analysis to obtain the elemental analysis (%). The results were as follows: C 48.36; H7.43; N2.69.
- Example 9 The elemental analysis (%) obtained in Example 9 was analyzed by elemental analysis to give an elemental analysis (%): C 64.68; H8.75; N3.12.
- a pyrrole fused cyclopentanyl ligand 6 (0.30 g, 1.43 mmol) was separately combined with a trialkyl ruthenium complex Y(CH 2 SiMe 3 ) 3 (thf) 2 and three Alkyl ruthenium complex
- the reaction of Lu(CH 2 SiMe 3 ) 3 (thf) 2 gives the metallocene complex I-17 and the metallocene complex 1-18.
- the metallocene complex 1-17 has a molecular formula of C 27 H 4 4NOYSi 2 in a yield of 66%; the metallocene complex 1-18 has a molecular formula of C 27 H 4 4NOLuSi 2 in a yield of 62%.
- Example 10 The metallocene complexes 1-17 obtained in Example 10 were analyzed by elemental analysis to obtain the elemental analysis (%). The results were as follows: C 59.78; H 8.43; N 2.68.
- Example 8 The metallocene complexes 1-18 obtained in Example 8 were analyzed by elemental analysis to obtain the elemental analysis (%). The results were as follows: C 51.69; H 7.43; N 2.59.
- Example 11 The metallocene complexes 1-19 obtained in Example 11 were analyzed by elemental analysis to obtain the elemental analysis (%). The results were as follows: C 68.22; H 7.66.
- the thiophene was used.
- the fused cyclopentadienyl ligand 2 (0.23 g, 1.2 mmol) is reacted with ruthenium trichloride YC1 3 and ruthenium GdCl 3 respectively to obtain metallocene complex 1-20 and metallocene complex 1 -twenty one.
- the metallocene complex 1-20 has a molecular formula of C 18 H 25 SY in a yield of 65%; the metallocene complex 1-21 has a molecular formula of C 18 H 25 SGd in a yield of 68%.
- Example 12 The metallocene complexes 1-20 obtained in Example 12 were analyzed by elemental analysis to obtain the elemental analysis (%). The result was: C 59.78; H 6.61.
- Example 12 The metallocene complex 1-21 obtained in Example 12 was analyzed by elemental analysis to obtain an elemental analysis (%). The result was: C 49.83; H 6.04.
- Example 13 The metallocene complex 1-21 obtained in Example 12 was analyzed by elemental analysis to obtain an elemental analysis (%). The result was: C 49.83; H 6.04.
- Example 13 The metallocene complex 1-22 obtained in Example 13 was analyzed by elemental analysis, and the obtained elemental analysis (%) was obtained as follows: C 75.44; H 7.54; N 3.79.
- a pyrrole fused cyclopentyl ligand 6 (0.30 g, 1.43 mmol) was separately reacted with ruthenium trichloride YC1 3 and ruthenium trichloride LuCl 3 to obtain a metallocene complex.
- 23 Complex with metallocene 24 The metallocene complex 23 has a molecular formula of C 21 H 24 NY in a yield of 68%; the metallocene complex 24 has a molecular formula of C 21 H 24 NLu in a yield of 72%.
- Example 14 The metallocene complexes 1-23 obtained in Example 14 were analyzed by elemental analysis to obtain the elemental analysis (%). The results were as follows: C 66.26; H 6.64; N 4.02.
- the metallocene complex 1-24 obtained in Example 14 was analyzed by elemental analysis, and the elemental analysis (%) was obtained as follows: C 43.86; H 5.57; N 3.37.
- the polymerization bottle is placed in a constant temperature water bath at 25 °C, stirred for 5 min, and then added with 2 ml of hydrochloric acid in ethanol (v/v, 1 : 10). Stop the polymerization.
- the reaction solution was poured into 100 ml of ethanol to precipitate to obtain a white polystyrene solid, and the polystyrene white solid was dried in a vacuum oven for 48 h to obtain a dry polystyrene white solid powder with a net weight of 1.04 g.
- the conversion rate is 100%.
- Example 15 The polystyrene obtained in Example 15 was analyzed by high temperature GPC to obtain a number average molecular weight (M n ) of 127,000 and a molecular weight distribution (M w /M n ) of 1.42.
- Example 15 The polystyrene obtained in Example 15 was analyzed by nuclear magnetic resonance to obtain a polystyrene (rrrr) of 99%.
- Example 15 The polystyrene obtained in Example 15 was analyzed by differential scanning calorimetry (DSC) to obtain a melting point T m of two 262 ° C and 271 ° C.
- Polystyrene was prepared according to the method of Example 15 except that the amount of styrene was changed to 5 mmolo.
- Polystyrene was prepared according to the method of Example 15 except that the amount of styrene was changed to 15 mmolo.
- Polystyrene was prepared according to the method of Example 15 except that the amount of styrene was changed to 20 mmolo.
- Polystyrene was prepared in the same manner as in Example 15 except that the metallocene complex 1-1 obtained in Example 1 was replaced with the metallocene complex 1-2 obtained in Example 2.
- Polystyrene was prepared in the same manner as in Example 15 except that the metallocene complex 1-1 obtained in Example 1 was replaced with the metallocene complex 1-3 obtained in Example 3.
- Polystyrene was prepared according to the method of Example 15 except that: the metallocene complex 1-1 obtained in Example 1 was replaced with the metallocene complex 1-4 obtained in Example 4, and the polymerization time was simultaneously Change to 30 min.
- Example 22 Polystyrene was prepared according to the method of Example 15 except that the metallocene complex 1-1 obtained in Example 1 was replaced with the metallocene complex 1-5 obtained in Example 4, and the polymerization time was Change to 30 min.
- the polystyrene was prepared in the same manner as in Example 15 except that the metallocene complex 1-1 obtained in Example 1 was replaced with the metallocene complex 1-6 obtained in Example 4 while the polymerization reaction time was obtained. Change to 30 min.
- Polystyrene was prepared according to the method of Example 15 except that the metallocene complex 1-1 obtained in Example 1 was replaced with the metallocene complex 1-8 obtained in Example 4, and the polymerization time was simultaneously Change to 60 min.
- the polymerization bottle is placed in a constant temperature water bath at 25 ° C, reacted for 10 min with stirring, and then 2 ml of an aqueous solution of hydrochloric acid (v/v, 1 : 10 ) is added to terminate the polymerization.
- the reaction solution was poured into 100 ml of ethanol to obtain a white solid polystyrene, which was dried in a vacuum oven at 40 ° C for 48 h to obtain a dry polystyrene white solid powder with a net weight of 1.04 g and a conversion rate of 100%. .
- Example 25 The polystyrene obtained in Example 25 was analyzed by high temperature GPC to obtain a number average molecular weight (M n ) of 116,000 and a molecular weight distribution (M w /M n ) of 1.46.
- Example 25 The polystyrene obtained in Example 25 was analyzed by nuclear magnetic resonance to obtain a polystyrene (rrrr) of 99%.
- Polystyrene obtained in Example 25 were analyzed by differential scanning calorimetry (DSC), the melting point thereof to obtain D "1 is 271 ° C.
- Example 26 Polystyrene was prepared according to the method of Example 25 except that the metallocene complex 1-10 obtained in Example 25 was replaced with the metallocene complex 1-20 obtained in Example 12, while the polymerization reaction time was obtained. Change to 60 min.
- Polystyrene was prepared according to the method of Example 25 except that the metallocene complex 1-10 obtained in Example 25 was replaced with the metallocene complex 1-24 obtained in Example 14, while the polymerization time was Change to 60 min.
- the polystyrene obtained in Examples 15 to 27 was analyzed by high temperature GPC, nuclear magnetic, differential scanning calorimetry (DSC), and the results are shown in Table 2.
- the dried polymer was measured for tacticity of styrene using nuclear magnetic resonance carbon.
- Example 15 1-1 1000 5 100 99 12.7 1.42 262/271
- Example 16 1-1 500 5 100 99 6.5 1.68 271
- Example 17 1-1 1500 5 100 99 16.8 1.55 271
- Example 18 1-1 2000 5 100 99 26.9 1.32 271
- Example 19 1-2 1000 5 100 99 10.8 1.64 265/272
- Example 20 1-3 1000 5 100 99 9.7 1.72 272
- Example 21 1-4 1000 30 91 99 9.6 1.53 270
- Example 22 1- 5 1 0 0 0 0 0 0 0 0 0 1-20 1000 60 87 98 10.4 1.61 268
- Example 27 1-24 60 42 98 13.8 1.75 270
- Example 28 In a glove box, add 30 ml of toluene to a 100 ml two-necked flask and mix with 1.04 g (10 mmol) of styrene, then remove the flask from the glove box and connect to the Schlenk tube, and maintain the temperature of the flask
- the polymerization was terminated by adding 2 ml of an aqueous solution of hydrochloric acid (v/v, 1:10), and then the polymerization was carried out.
- the reaction solution was poured into 300 ml of ethanol, filtered, and dried under vacuum at 40 ° C for 24 h to obtain a styrene-ethylene polymer net weight of 0.45 g.
- Example 28 The styrene-ethylene polymer obtained in Example 28 was analyzed by nuclear magnetic resonance to obtain a nuclear magnetic resonance spectrum thereof as shown in Fig. 3.
- a styrene-ethylene polymer was prepared according to the method of Example 28 except that the amount of styrene was changed to 20 mmoL.
- a styrene-ethylene polymer was prepared according to the method of Example 28 except that the amount of styrene was changed to 30 mmoL.
- a styrene-ethylene polymer was prepared according to the procedure of Example 28 except that the metallocene complex 1-2 was replaced with the metallocene complex 1-10 obtained in Example 5.
- a styrene-ethylene polymer was prepared in accordance with the procedure of Example 28 except that the metallocene complex 1-2 was replaced with the metallocene complex 1-13 obtained in Example 7.
- a styrene-ethylene polymer was prepared according to the procedure of Example 28 except that the metallocene compound 1-2 was replaced with the metallocene complex 1-16 obtained in Example 9.
- Example 28 1-2 10 0.45 0.54 61 8.93 1.35 213
- Example 29 1-2 20 1.25 1.50 82 13.42 1.68 238
- Example 30 1-2 30 0.63 0.76 93 12.87 1.57 245/265
- Example 31 1-10 10 0.62 1.04 64 10.32 1.78 216
- Example 32 1-13 10 0.54 0.65 59 9.12 1.54 208
- Example 33 1-16 10 0.36 0.43 60 8.61 1.61 210
- Example 34 Example 34
- the temperature of the flask was maintained at 40 ° C and charged with 1.0 atm of ethylene to achieve saturation in the benzene solution; 9.2 mg ( 10 ⁇ ) [Ph 3 C][B(C 6 F 5 ) 4 4.8 mg ( 10 ⁇ )
- the metallocene complex 1-2 obtained in Example 2 0.1 ml of Al('Bu) 3 (0.5 mol/L) was mixed with toluene and stirred for 1 min to prepare an activated catalyst.
- the composition was quickly injected into the flask through a syringe to initiate polymerization.
- Example 34 The ethylene-DCPD polymer obtained in Example 34 was analyzed by nuclear magnetic resonance to obtain a nuclear magnetic resonance spectrum, as shown in Fig. 4.
- An ethylene-DCPD copolymer was prepared according to the procedure of Example 34 except that the amount of DCPD was changed to 5.28 g (40 mmol) to give a polymer of 3.01 g.
- Example 36 An ethylene-DCPD polymer was prepared according to the procedure of Example 35 except that the amount of DCPD was changed to 10.56 g (80 mmol) to give a polymer of 1.57 g.
- An ethylene-DCPD polymer was prepared according to the method of Example 34 except that the polymerization temperature was 25 ° C and the obtained polymer was 0.62 g.
- An ethylene-DCPD polymer was prepared according to the method of Example 34 except that the polymerization temperature was 60 ° C and the polymer was found to be 1.19 g.
- An ethylene-DCPD polymer was prepared according to the method of Example 34 except that the metallocene compound 1-2 was replaced with the metallocene complex 1-6 obtained in Example 4 to obtain a flocculent trace amount of the polymer.
- An ethylene-DCPD polymer was prepared according to the method of Example 34 except that the metallocene compound 1-2 was replaced with the metallocene complex 1-10 obtained in Example 5 to give a polymer 2.02 g.
- An ethylene-DCPD polymer was prepared according to the method of Example 34 except that the metallocene compound 1-2 was replaced with the metallocene complex 1-16 obtained in Example 9, to give a polymer 1.62 g.
- An ethylene-DCPD polymer was prepared according to the method of Example 34 except that the metallocene compound 1-2 was replaced with the metallocene complex 1-19 obtained in Example 1 to give a polymer of 0.89 g.
- An ethylene-DCPD polymer was prepared according to the method of Example 34 except that the metallocene compound 1-2 was replaced with the metallocene complex 1-22 obtained in Example 13, to give a polymer of 0.64 g.
- Example 44
- the temperature was maintained at 40 ° C and 1.0 atm of ethylene was charged thereto to achieve saturation in the benzene solution; 9.2 mg ( 10 ⁇ ) [Ph 3 C][B(C 6 F 5 ) 4 ], 4.8 Mg ( 10 ⁇ )
- the polymerization reaction was terminated by adding 2 ml of an aqueous solution of hydrochloric acid (v/v, 1:10).
- the polymerization reaction solution was poured into 300 ml of ethanol, precipitated, filtered, and dried under vacuum at 60 ° C for 24 h to obtain an ethylene-1-octene polymer net weight of 2.06 g.
- An ethylene-1-octene copolymer was prepared according to the method of Example 44 except that the amount of 1-octene was changed to 40 mmoL.
- Example 46 An ethylene-1-octene copolymer was prepared according to the method of Example 44 except that the amount of 1-octene was changed to 10 mmol.
- An ethylene-1-octene copolymer was prepared according to the procedure of Example 44 except that the metallocene compound 1-2 was replaced with the metallocene complexes 1-6 obtained in the Example.
- An ethylene-1-octene copolymer was prepared according to the method of Example 44 except that the metallocene compound 1-2 was replaced with the metallocene complex 1-10 obtained in Example 5.
- An ethylene-1-octene copolymer was prepared by the method of Example 44 except that the metallocene compound 1-2 was replaced with the metallocene complex 1-13 obtained in Example 7.
- An ethylene-1-octene copolymer was prepared by the method of Example 44 except that the metallocene compound 1-2 was replaced with the metallocene complex 1-18 obtained in Example 10.
- An ethylene-1-octene copolymer was prepared by the method of Example 44 except that the metallocene compound 1-2 was replaced with the metallocene complex 1-21 obtained in Example 12.
- Ethylene 1-octene copolymer obtained in Example 44 ⁇ 51 embodiment detects the number-average molecular weight M n and molecular weight distribution (M w / M n) were measured by GPC (polystyrene as a reference material) The results are shown in Table 5. The dry polymer was determined by nuclear magnetic resonance carbon spectroscopy for the content of 1-octene (for calculation, see JC Randall, JMS Rev. Macromol. Chem. Phys. C29, 1989, 201).
- Example 44 1-2 1 20 2.06 2.5 23 2.06 1.9
- Example 45 1-2 1 40 1.41 1.7 29 1.94 2.1
- Example 46 1-2 1 10 0.69 0.8 18 2.68 1.5
- the temperature of the flask was maintained at 40 ° C in an oil bath and charged with 1.0 atm of ethylene to saturate it in a solution of benzene; 36.8 mg ( 40 ⁇ ) [Ph 3 C][B(C 6 F 5 ) 4 ], 18.4 mg ( 40 ⁇ )
- the metallocene complex 1-3 obtained in Example 3, 0.4 ml Al('Bu) 3 (0.5 mol/L) was mixed with toluene, stirred for 1 min, and prepared to be activated.
- Catalyst composition the catalyst composition was quickly injected into the flask through a syringe to initiate polymerization, and the polymerization was carried out for 5 min under 1.0 atm ethylene pass, and then 2 ml of hydrochloric acid ethanol solution (v/v, 1 : 10) was added to terminate.
- the polymerization reaction was carried out, and the polymerization reaction solution was poured into 300 ml of ethanol to precipitate, filtered, and dried under vacuum at 40 ° C for 24 h to obtain a net weight of ethylene-1,3-cyclohexadiene polymer of 1.24 g.
- An ethylene-1,3-cyclohexadiene polymer was prepared by the method of Example 52 except that the amount of 1,3-cyclohexadiene was changed to 10 mmol.
- An ethylene-1,3-cyclohexadiene polymer was prepared by the method of Example 52 except that the metallocene complexes 1-3 were replaced with the metallocene complexes 1-10 obtained in Example 5.
- An ethylene-1,3-cyclohexadiene polymer was prepared by the method of Example 52 except that the metallocene complexes 1-3 were replaced with the metallocene complexes 1-16 obtained in Example 9.
- An ethylene-1,3-cyclohexadiene polymer was prepared by the method of Example 52 except that the metallocene complexes 1-3 were replaced with the metallocene complexes 1-19 obtained in Example 11.
- the ethylene-1,3-cyclohexadiene polymer obtained in Examples 52 to 56 was examined, and the number average molecular weight was determined. Both M n and molecular weight distribution (M w /M n ) were determined by GPC (polystyrene used as a reference material), and the results are shown in Table 6. The dry polymer was measured by nuclear magnetic resonance spectroscopy for the content of 1,3-cyclohexadiene (for calculation, see: R. Maromol. Chem. Phys. 2005, 206, 195).
- the temperature of the flask was maintained at 40 ° C in an oil bath and charged with 1.0 atm of ethylene to saturate it in a solution of benzene; 9.2 mg ( 10 ⁇ ) [Ph 3 C][B(C 6 F 5 ) 4 ], 4.8 mg ( 10 ⁇ )
- Catalyst composition the catalyst composition was quickly injected into the flask through a syringe to initiate polymerization, and the polymerization was carried out under a 1.0 atm ethylene pass for 5 min, and then 2 ml of a hydrochloric acid ethanol solution (v/v, 1:10) was added to terminate.
- the polymerization reaction was carried out by pouring the polymerization solution into 300 ml of ethanol, filtering, and drying under vacuum at 40 ° C for 36 h to obtain a net weight of ethylene-DCPD-NB polymer of 2.08 g.
- Example 57 The ethylene-DCPD-NB polymer obtained in Example 57 was analyzed by nuclear magnetic resonance to obtain a nuclear magnetic resonance spectrum as shown in Fig. 5.
- An ethylene-DCPD-NB polymer was prepared according to the method of Example 57 except that the amount of NB was changed to 10 mmol, and the net weight of the polymer was 1.86 g.
- Example 57 ⁇ 58 were obtained in detection, the number average molecular weight M n and molecular weight distribution (M w / M n) were measured by GPC (polystyrene as the reference material) was measured; Glass The temperature and melting point were determined by the DSC method; the results are shown in Table 7. The dried polymer was measured for the content of DCPD and NB by nuclear magnetic resonance spectroscopy (calculation method see: US 2008/0221275 A1).
- DCPD NB active DCPD contains NB content M n " MM n
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US9896519B2 (en) | 2013-10-12 | 2018-02-20 | Changchun Institute Of Applied Chemistry Chinese Academy Of Sciences | Metallocene complex, preparation method thereof and catalyst composition |
CN110218272A (zh) * | 2019-06-20 | 2019-09-10 | 中国科学院长春应用化学研究所 | 一种聚异丁烯及异丁烯共聚物的制备方法 |
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JP2021091791A (ja) * | 2019-12-10 | 2021-06-17 | 出光興産株式会社 | スチレン系樹脂粒子の製造方法、スチレン系樹脂粒子、低誘電材用樹脂組成物及び成形体 |
CN113292667B (zh) * | 2021-05-06 | 2022-03-29 | 中国科学院长春应用化学研究所 | 一种多元共聚物及其制备方法 |
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