CA2518358A1 - Polyolefines a sequence syndiotactique/atactique, catalyseurs, et procedes de fabrication de ceux-ci - Google Patents

Polyolefines a sequence syndiotactique/atactique, catalyseurs, et procedes de fabrication de ceux-ci Download PDF

Info

Publication number: CA2518358A1
Authority: CA; Canada
Prior art keywords: syndiotactic; carbon atoms; atactic; substituted; c5c4r
Prior art date: 1996-07-11
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Abandoned

Application number

CA002518358A

Other languages

English (en)

Inventor

Abbas Razavi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

TotalEnergies Onetech Belgium SA

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1996-07-11

Filing date

1997-07-10

Publication date

1998-01-22

1996-07-11 Priority claimed from EP96111127A external-priority patent/EP0818475A1/fr

1997-07-10 Application filed by Individual filed Critical Individual

1997-07-10 Priority claimed from CA002260891A external-priority patent/CA2260891C/fr

1998-01-22 Publication of CA2518358A1 publication Critical patent/CA2518358A1/fr

Status Abandoned legal-status Critical Current

Links

239000003054 catalyst Substances 0.000 title claims abstract description 48
229920000098 polyolefin Polymers 0.000 title claims abstract description 9
238000000034 method Methods 0.000 title description 21
230000008569 process Effects 0.000 title description 13
125000004432 carbon atom Chemical group C* 0.000 claims abstract description 24
125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims abstract description 13
239000003446 ligand Substances 0.000 claims abstract description 13
229910052736 halogen Inorganic materials 0.000 claims abstract description 9
125000005842 heteroatom Chemical group 0.000 claims abstract description 8
150000001336 alkenes Chemical class 0.000 claims abstract description 7
150000002367 halogens Chemical class 0.000 claims abstract description 7
239000000178 monomer Substances 0.000 claims abstract description 6
125000004183 alkoxy alkyl group Chemical group 0.000 claims abstract description 4
125000003545 alkoxy group Chemical group 0.000 claims abstract description 4
125000003282 alkyl amino group Chemical group 0.000 claims abstract description 4
JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 4
230000003647 oxidation Effects 0.000 claims abstract description 3
238000007254 oxidation reaction Methods 0.000 claims abstract description 3
125000005843 halogen group Chemical group 0.000 claims abstract 2
-1 polypropylene Polymers 0.000 claims description 30
238000006116 polymerization reaction Methods 0.000 claims description 26
239000004743 Polypropylene Substances 0.000 claims description 16
229920001155 polypropylene Polymers 0.000 claims description 16
238000006243 chemical reaction Methods 0.000 claims description 11
230000002146 bilateral effect Effects 0.000 claims description 7
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
229910052719 titanium Inorganic materials 0.000 claims description 6
239000010936 titanium Substances 0.000 claims description 6
229920001519 homopolymer Polymers 0.000 claims description 3
229920001400 block copolymer Polymers 0.000 claims description 2
239000003426 co-catalyst Substances 0.000 claims 1
229920000642 polymer Polymers 0.000 abstract description 24
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 abstract description 14
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 abstract description 14
125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 abstract description 9
239000012968 metallocene catalyst Substances 0.000 abstract description 9
238000002360 preparation method Methods 0.000 abstract description 9
229910052751 metal Inorganic materials 0.000 abstract description 3
239000002184 metal Substances 0.000 abstract description 3
229910052739 hydrogen Inorganic materials 0.000 abstract description 2
239000001257 hydrogen Substances 0.000 abstract description 2
125000004435 hydrogen atom Chemical group [H]* 0.000 abstract description 2
230000000737 periodic effect Effects 0.000 abstract description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 21
239000000243 solution Substances 0.000 description 15
229920001576 syndiotactic polymer Polymers 0.000 description 9
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
229910052782 aluminium Inorganic materials 0.000 description 6
230000015572 biosynthetic process Effects 0.000 description 6
230000000052 comparative effect Effects 0.000 description 6
150000001875 compounds Chemical class 0.000 description 6
125000001183 hydrocarbyl group Chemical group 0.000 description 6
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
125000001424 substituent group Chemical group 0.000 description 6
AQZWEFBJYQSQEH-UHFFFAOYSA-N 2-methyloxaluminane Chemical compound C[Al]1CCCCO1 AQZWEFBJYQSQEH-UHFFFAOYSA-N 0.000 description 5
229910052799 carbon Inorganic materials 0.000 description 5
239000000203 mixture Substances 0.000 description 5
229910052757 nitrogen Inorganic materials 0.000 description 5
125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 5
OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
239000003795 chemical substances by application Substances 0.000 description 4
229920001580 isotactic polymer Polymers 0.000 description 4
230000007246 mechanism Effects 0.000 description 4
239000000047 product Substances 0.000 description 4
229910052710 silicon Inorganic materials 0.000 description 4
239000010703 silicon Substances 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
238000005481 NMR spectroscopy Methods 0.000 description 3
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
229910003074 TiCl4 Inorganic materials 0.000 description 3
125000000217 alkyl group Chemical group 0.000 description 3
230000008901 benefit Effects 0.000 description 3
230000008859 change Effects 0.000 description 3
ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 3
229960004132 diethyl ether Drugs 0.000 description 3
LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 description 3
238000001704 evaporation Methods 0.000 description 3
230000008020 evaporation Effects 0.000 description 3
239000007789 gas Substances 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 description 3
229910052698 phosphorus Inorganic materials 0.000 description 3
239000011574 phosphorus Substances 0.000 description 3
239000002904 solvent Substances 0.000 description 3
XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 3
ZWYDDDAMNQQZHD-UHFFFAOYSA-L titanium(ii) chloride Chemical compound [Cl-].[Cl-].[Ti+2] ZWYDDDAMNQQZHD-UHFFFAOYSA-L 0.000 description 3
239000008096 xylene Substances 0.000 description 3
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
125000003342 alkenyl group Chemical group 0.000 description 2
125000002877 alkyl aryl group Chemical group 0.000 description 2
VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
125000003118 aryl group Chemical group 0.000 description 2
229920001585 atactic polymer Polymers 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
XQHGLHLBYWWVLU-UHFFFAOYSA-N chloro-(2,7-ditert-butyl-9h-fluoren-1-yl)-dimethylsilane Chemical compound C1=CC(C(C)(C)C)=C([Si](C)(C)Cl)C2=C1C1=CC=C(C(C)(C)C)C=C1C2 XQHGLHLBYWWVLU-UHFFFAOYSA-N 0.000 description 2
238000007334 copolymerization reaction Methods 0.000 description 2
229910000365 copper sulfate Inorganic materials 0.000 description 2
ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
230000007423 decrease Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000003780 insertion Methods 0.000 description 2
230000037431 insertion Effects 0.000 description 2
238000003760 magnetic stirring Methods 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
230000000379 polymerizing effect Effects 0.000 description 2
239000000843 powder Substances 0.000 description 2
150000003254 radicals Chemical class 0.000 description 2
238000010992 reflux Methods 0.000 description 2
241000894007 species Species 0.000 description 2
239000011593 sulfur Substances 0.000 description 2
229910052717 sulfur Inorganic materials 0.000 description 2
238000003786 synthesis reaction Methods 0.000 description 2
125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
230000009466 transformation Effects 0.000 description 2
229910052723 transition metal Inorganic materials 0.000 description 2
VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 2
JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 2
125000006659 (C1-C20) hydrocarbyl group Chemical group 0.000 description 1
238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
DFZYPLLGAQIQTD-UHFFFAOYSA-N 2,7-ditert-butyl-9h-fluorene Chemical compound CC(C)(C)C1=CC=C2C3=CC=C(C(C)(C)C)C=C3CC2=C1 DFZYPLLGAQIQTD-UHFFFAOYSA-N 0.000 description 1
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
239000005977 Ethylene Substances 0.000 description 1
229910003865 HfCl4 Inorganic materials 0.000 description 1
239000002841 Lewis acid Substances 0.000 description 1
239000002879 Lewis base Substances 0.000 description 1
ZVGWKWAZCCRLNK-UHFFFAOYSA-N N,2,7-tritert-butyl-N-dimethylsilyl-9H-fluoren-1-amine Chemical compound C(C)(C)(C)C1=C(C=2CC3=CC(=CC=C3C2C=C1)C(C)(C)C)N(C(C)(C)C)[SiH](C)C ZVGWKWAZCCRLNK-UHFFFAOYSA-N 0.000 description 1
101150114723 NNAT gene Proteins 0.000 description 1
241001494479 Pecora Species 0.000 description 1
238000004639 Schlenk technique Methods 0.000 description 1
229910021551 Vanadium(III) chloride Inorganic materials 0.000 description 1
QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical group [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
229910007932 ZrCl4 Inorganic materials 0.000 description 1
QVCQCRILMCYNOY-UHFFFAOYSA-L [Cl-].[Cl-].C(C)(C)=[Zr+2]C1C2=CC=CC=C2C=2C=CC=C(C1=2)C1C=CC=C1 Chemical compound [Cl-].[Cl-].C(C)(C)=[Zr+2]C1C2=CC=CC=C2C=2C=CC=C(C1=2)C1C=CC=C1 QVCQCRILMCYNOY-UHFFFAOYSA-L 0.000 description 1
KUNZSLJMPCDOGI-UHFFFAOYSA-L [Cl-].[Cl-].[Hf+2] Chemical compound [Cl-].[Cl-].[Hf+2] KUNZSLJMPCDOGI-UHFFFAOYSA-L 0.000 description 1
AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
125000003368 amide group Chemical group 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
238000005899 aromatization reaction Methods 0.000 description 1
125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
238000001460 carbon-13 nuclear magnetic resonance spectrum Methods 0.000 description 1
239000012018 catalyst precursor Substances 0.000 description 1
125000002091 cationic group Chemical group 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
239000000460 chlorine Substances 0.000 description 1
229910052801 chlorine Inorganic materials 0.000 description 1
125000004122 cyclic group Chemical group 0.000 description 1
125000002704 decyl 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])* 0.000 description 1
OSXYHAQZDCICNX-UHFFFAOYSA-N dichloro(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](Cl)(Cl)C1=CC=CC=C1 OSXYHAQZDCICNX-UHFFFAOYSA-N 0.000 description 1
YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 description 1
238000009826 distribution Methods 0.000 description 1
230000005520 electrodynamics Effects 0.000 description 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
RMBPEFMHABBEKP-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2C3=C[CH]C=CC3=CC2=C1 RMBPEFMHABBEKP-UHFFFAOYSA-N 0.000 description 1
238000004636 glovebox technique Methods 0.000 description 1
150000002362 hafnium Chemical class 0.000 description 1
PDPJQWYGJJBYLF-UHFFFAOYSA-J hafnium tetrachloride Chemical compound Cl[Hf](Cl)(Cl)Cl PDPJQWYGJJBYLF-UHFFFAOYSA-J 0.000 description 1
125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
238000002955 isolation Methods 0.000 description 1
150000007517 lewis acids Chemical class 0.000 description 1
150000007527 lewis bases Chemical class 0.000 description 1
239000007788 liquid Substances 0.000 description 1
150000002736 metal compounds Chemical class 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
NIHNNTQXNPWCJQ-UHFFFAOYSA-N o-biphenylenemethane Natural products C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 1
125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
239000003921 oil Substances 0.000 description 1
125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
229920013639 polyalphaolefin Polymers 0.000 description 1
229920005629 polypropylene homopolymer Polymers 0.000 description 1
125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
239000002002 slurry Substances 0.000 description 1
238000001228 spectrum Methods 0.000 description 1
230000002269 spontaneous effect Effects 0.000 description 1
230000006641 stabilisation Effects 0.000 description 1
238000011105 stabilization Methods 0.000 description 1
230000000707 stereoselective effect Effects 0.000 description 1
230000002194 synthesizing effect Effects 0.000 description 1
YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 1
150000003623 transition metal compounds Chemical class 0.000 description 1
150000003624 transition metals Chemical class 0.000 description 1
125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
OBAJXDYVZBHCGT-UHFFFAOYSA-N tris(pentafluorophenyl)borane Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1B(C=1C(=C(F)C(F)=C(F)C=1F)F)C1=C(F)C(F)=C(F)C(F)=C1F OBAJXDYVZBHCGT-UHFFFAOYSA-N 0.000 description 1
229910052720 vanadium Inorganic materials 0.000 description 1
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
150000003682 vanadium compounds Chemical class 0.000 description 1
HQYCOEXWFMFWLR-UHFFFAOYSA-K vanadium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[V+3] HQYCOEXWFMFWLR-UHFFFAOYSA-K 0.000 description 1
238000013022 venting Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
229910052726 zirconium Inorganic materials 0.000 description 1
DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 1
VPGLGRNSAYHXPY-UHFFFAOYSA-L zirconium(2+);dichloride Chemical compound Cl[Zr]Cl VPGLGRNSAYHXPY-UHFFFAOYSA-L 0.000 description 1
239000004711 α-olefin Substances 0.000 description 1

Landscapes

Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

CA002518358A 1996-07-11 1997-07-10 Polyolefines a sequence syndiotactique/atactique, catalyseurs, et procedes de fabrication de ceux-ci Abandoned CA2518358A1 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
EP96111127A EP0818475A1 (fr)	1996-07-11	1996-07-11	Polyoléfines bloc syndiotactique/atactique, catalyseurs et procédés pour leur préparation
EP96111127.5		1996-07-11
CA002260891A CA2260891C (fr)	1996-07-11	1997-07-10	Polyolefines a sequence syndiotactique/atactique, catalyseurs, et procedes de fabrication de ceux-ci

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002260891A Division CA2260891C (fr)	1996-07-11	1997-07-10	Polyolefines a sequence syndiotactique/atactique, catalyseurs, et procedes de fabrication de ceux-ci

Publications (1)

Publication Number	Publication Date
CA2518358A1 true CA2518358A1 (fr)	1998-01-22

Family

ID=35452107

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002518358A Abandoned CA2518358A1 (fr)	1996-07-11	1997-07-10	Polyolefines a sequence syndiotactique/atactique, catalyseurs, et procedes de fabrication de ceux-ci

Country Status (1)

Country	Link
CA (1)	CA2518358A1 (fr)

1997
- 1997-07-10 CA CA002518358A patent/CA2518358A1/fr not_active Abandoned

Legal Events

Date	Code	Title	Description
2005-10-04	EEER	Examination request
2008-07-10	FZDE	Dead

Publication	Publication Date	Title
EP0910591B1 (fr)	2001-03-21	Polyolefines a sequence syndiotactique/atactique, catalyseurs, et procedes de fabrication de ceux-ci
EP1083188A1 (fr)	2001-03-14	Catalyseur et procédé de préparation de polyoléfines à séquences syndiotactique / atactique
US6069237A (en)	2000-05-30	Open-pentadienyl metallocenen ligands, polymerization catalysts/catalyst precursors and polymers therefrom
US5631202A (en)	1997-05-20	Stereospecific metallocene catalysts with stereolocking α-CP substituents
JP3287617B2 (ja)	2002-06-04	アイソタクチツクポリオレフイン製造の方法及び触媒
EP0747406B1 (fr)	1998-10-07	Procédé servant à la préparation de polyoléfines-blocs syndiotactiques/isotactiques
US4892851A (en)	1990-01-09	Process and catalyst for producing syndiotactic polyolefins
US5459117A (en)	1995-10-17	Doubly-conformationally locked, stereorigid catalysts for the preparation of tactiospecific polymers
US6111046A (en)	2000-08-29	Atactic copolymers of propylene with ethylene
EP0984989A1 (fr)	2000-03-15	Composant catalyseur metallocene a utiliser dans la production de polyolefines isotactiques
US5292838A (en)	1994-03-08	Process and catalyst for producing syndiotactic polymers
EP0426645B1 (fr)	1996-07-03	Procédé de fabrication de copolymères syndiotactiques de propylène et d'oléfines
US5945365A (en)	1999-08-31	Stereorigid bis-fluorenyl metallocenes
US6630550B1 (en)	2003-10-07	Olefin polymerization catalyst
CA2260891C (fr)	2005-12-13	Polyolefines a sequence syndiotactique/atactique, catalyseurs, et procedes de fabrication de ceux-ci
AU775092B2 (en)	2004-07-15	Syndiotactic/atactic block polyolefins, catalysts and processes for producing the same
CA2518358A1 (fr)	1998-01-22	Polyolefines a sequence syndiotactique/atactique, catalyseurs, et procedes de fabrication de ceux-ci
CA2028770A1 (fr)	1991-05-01	Homopolymeres syndiotactiques d'olefines
WO1992012184A1 (fr)	1992-07-23	Polypropylene syndiotactique
CA2029077C (fr)	2003-08-19	Copolymeres syndiotactiques de propylene et d'olefines