NO301331B1 - Fremgangsmåte for skifting av katalysator ved suspensjonspolymerisasjon av olefiner - Google Patents
Fremgangsmåte for skifting av katalysator ved suspensjonspolymerisasjon av olefiner Download PDFInfo
- Publication number
- NO301331B1 NO301331B1 NO960898A NO960898A NO301331B1 NO 301331 B1 NO301331 B1 NO 301331B1 NO 960898 A NO960898 A NO 960898A NO 960898 A NO960898 A NO 960898A NO 301331 B1 NO301331 B1 NO 301331B1
- Authority
- NO
- Norway
- Prior art keywords
- catalyst
- chromium
- polymerization
- metallocene
- reactor
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 135
- 238000000034 method Methods 0.000 title claims abstract description 30
- 150000001336 alkenes Chemical class 0.000 title claims abstract description 12
- 230000008569 process Effects 0.000 title claims description 7
- 238000010557 suspension polymerization reaction Methods 0.000 title claims description 6
- 239000011651 chromium Substances 0.000 claims abstract description 68
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 61
- 239000012968 metallocene catalyst Substances 0.000 claims abstract description 49
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 238000006116 polymerization reaction Methods 0.000 claims description 75
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 60
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 239000012429 reaction media Substances 0.000 claims description 10
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims 2
- 230000007704 transition Effects 0.000 abstract description 46
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 abstract description 6
- 229920000642 polymer Polymers 0.000 description 42
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 30
- 239000005977 Ethylene Substances 0.000 description 30
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 16
- 229910002091 carbon monoxide Inorganic materials 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- -1 polyethylene Polymers 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 8
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 8
- 239000002574 poison Substances 0.000 description 7
- 231100000614 poison Toxicity 0.000 description 7
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 6
- 239000000155 melt Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 239000001282 iso-butane Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- CPOFMOWDMVWCLF-UHFFFAOYSA-N methyl(oxo)alumane Chemical compound C[Al]=O CPOFMOWDMVWCLF-UHFFFAOYSA-N 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910001868 water Inorganic materials 0.000 description 4
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 3
- 239000012190 activator Substances 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000009849 deactivation Effects 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 150000003624 transition metals Chemical class 0.000 description 3
- 239000004711 α-olefin Substances 0.000 description 3
- 241001481828 Glyptocephalus cynoglossus Species 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 244000144992 flock Species 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 150000002902 organometallic compounds Chemical class 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002685 polymerization catalyst Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 2
- RSPAIISXQHXRKX-UHFFFAOYSA-L 5-butylcyclopenta-1,3-diene;zirconium(4+);dichloride Chemical compound Cl[Zr+2]Cl.CCCCC1=CC=C[CH-]1.CCCCC1=CC=C[CH-]1 RSPAIISXQHXRKX-UHFFFAOYSA-L 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- JMYQTVXVDLDIFI-UHFFFAOYSA-L [Cl-].[Cl-].C(CCC)[Zr+2](C1C=CC=C1)CCCC Chemical compound [Cl-].[Cl-].C(CCC)[Zr+2](C1C=CC=C1)CCCC JMYQTVXVDLDIFI-UHFFFAOYSA-L 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012685 gas phase polymerization Methods 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 125000003936 heterocyclopentadienyl group Chemical group 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 230000037048 polymerization activity Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229920005653 propylene-ethylene copolymer Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 238000012546 transfer Methods 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/943—Polymerization with metallocene catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO960898A NO301331B1 (no) | 1996-03-05 | 1996-03-05 | Fremgangsmåte for skifting av katalysator ved suspensjonspolymerisasjon av olefiner |
| PCT/NO1997/000065 WO1997032905A1 (en) | 1996-03-05 | 1997-03-05 | A method of catalyst transitions in olefin polymerizations |
| AU19484/97A AU1948497A (en) | 1996-03-05 | 1997-03-05 | A method of catalyst transitions in olefin polymerizations |
| ES01123319T ES2237518T3 (es) | 1996-03-05 | 1997-03-05 | Un metodo de transiciones de catalizador en polimerizaciones de olefinas. |
| ES97907492T ES2173423T3 (es) | 1996-03-05 | 1997-03-05 | Un metodo de transicion entre catalizadores en polimerizaciones de olefinas. |
| US09/142,402 US6284849B1 (en) | 1996-03-05 | 1997-03-05 | Method of catalyst transitions in olefin polymerizations |
| AT01123319T ATE288929T1 (de) | 1996-03-05 | 1997-03-05 | Verfahren für katalysatorübergänge in olefinpolymerisationen |
| CN97192774A CN1131244C (zh) | 1996-03-05 | 1997-03-05 | 烯烃聚合中的催化剂转换方法 |
| AT97907492T ATE217890T1 (de) | 1996-03-05 | 1997-03-05 | Verfahren für katalysatorübergänge in olefinpolymerisationen |
| EP01123319A EP1182216B1 (de) | 1996-03-05 | 1997-03-05 | Verfahren für Katalysatorübergänge in Olefinpolymerisationen |
| DE69712740T DE69712740T2 (de) | 1996-03-05 | 1997-03-05 | Verfahren für katalysatorübergänge in olefinpolymerisationen |
| DE69732501T DE69732501T2 (de) | 1996-03-05 | 1997-03-05 | Verfahren für Katalysatorübergänge in Olefinpolymerisationen |
| EP97907492A EP0885247B1 (de) | 1996-03-05 | 1997-03-05 | Verfahren für katalysatorübergänge in olefinpolymerisationen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO960898A NO301331B1 (no) | 1996-03-05 | 1996-03-05 | Fremgangsmåte for skifting av katalysator ved suspensjonspolymerisasjon av olefiner |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO960898D0 NO960898D0 (no) | 1996-03-05 |
| NO960898L NO960898L (no) | 1997-09-08 |
| NO301331B1 true NO301331B1 (no) | 1997-10-13 |
Family
ID=19899116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO960898A NO301331B1 (no) | 1996-03-05 | 1996-03-05 | Fremgangsmåte for skifting av katalysator ved suspensjonspolymerisasjon av olefiner |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6284849B1 (de) |
| EP (2) | EP0885247B1 (de) |
| CN (1) | CN1131244C (de) |
| AT (2) | ATE217890T1 (de) |
| AU (1) | AU1948497A (de) |
| DE (2) | DE69712740T2 (de) |
| ES (2) | ES2237518T3 (de) |
| NO (1) | NO301331B1 (de) |
| WO (1) | WO1997032905A1 (de) |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1041096A1 (de) * | 1999-03-29 | 2000-10-04 | Fina Research S.A. | Ethylenpolymerisation |
| CN1352657A (zh) * | 1999-03-31 | 2002-06-05 | 切夫里昂菲利普化学有限责任公司 | 用于不相容聚合催化剂之间转变的方法 |
| GB0008770D0 (en) * | 2000-04-10 | 2000-05-31 | Bp Chem Int Ltd | Polymerisation process |
| US6388027B1 (en) | 2000-10-24 | 2002-05-14 | Union Carbide Chemicals & Plastics Technology Corporation | Transition strategy for the production of sticky polymers |
| WO2003016362A1 (en) * | 2001-08-17 | 2003-02-27 | Dow Global Technologies Inc. | Ethylene polymerization process |
| US6916892B2 (en) * | 2001-12-03 | 2005-07-12 | Fina Technology, Inc. | Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene |
| CN1302015C (zh) * | 2002-12-30 | 2007-02-28 | 尤尼威蒂恩技术有限责任公司 | 用于在不同聚合催化剂之间转变的方法 |
| US6858684B2 (en) * | 2002-12-30 | 2005-02-22 | Univation Technologies, Llc | Processes for transitioning between various polymerization catalysts |
| CN100480277C (zh) * | 2002-12-31 | 2009-04-22 | 尤尼威蒂恩技术有限责任公司 | 用于在铬型和混合聚合催化剂之间转变的方法 |
| US6841630B2 (en) * | 2002-12-31 | 2005-01-11 | Univation Technologies, Llc | Processes for transitioning between chrome-based and mixed polymerization catalysts |
| US6833417B2 (en) * | 2002-12-31 | 2004-12-21 | Univation Technologies, Llc | Processes for transitioning between chrome-based and mixed polymerization catalysts |
| US6949612B2 (en) * | 2002-12-31 | 2005-09-27 | Univation Technologies, Llc | Processes for transitioning between metallocene and Ziegler-Natta polymerization catalysts |
| EP1578813B1 (de) | 2002-12-31 | 2006-11-29 | Univation Technologies, LLC | Verfahren zum wechsel von einem katalysator zu einem andern, mit dem ersten unverträglichen ,katalysator in einem gasphasenreaktor |
| CN100500698C (zh) * | 2003-03-21 | 2009-06-17 | 尤尼威蒂恩技术有限责任公司 | 用混合催化剂体系聚合烯烃单体的方法 |
| US6833416B2 (en) * | 2003-03-21 | 2004-12-21 | Univation Technologies, Llc | Methods of polymerizing olefin monomers with mixed catalyst systems |
| US7629422B2 (en) * | 2004-12-21 | 2009-12-08 | Univation Technologies, Llc | Process for transitioning between Ziegler-Natta-based and chromium-based catalysts |
| EP1767549A1 (de) | 2005-09-20 | 2007-03-28 | Ineos Europe Limited | Polymerisationskatalysatoren |
| CA2529920C (en) * | 2005-12-13 | 2013-08-20 | Nova Chemicals Corporation | On the fly catalyst transitions |
| US8293855B2 (en) | 2008-07-23 | 2012-10-23 | Basell Polyolefine Gmbh | Method for transitioning between incompatible olefin polymerization catalyst systems |
| KR101523413B1 (ko) * | 2008-12-23 | 2015-05-27 | 바젤 폴리올레핀 게엠베하 | 비상용성 올레핀 중합 촉매계 간의 전이 방법 |
| BR112012014861A2 (pt) | 2009-12-18 | 2016-03-29 | Total Petrochemicals Res Feluy | método para melhorar a reação de polimerização de etileno |
| CN102762605B (zh) * | 2009-12-18 | 2014-07-02 | 道达尔石油化学产品研究弗吕公司 | 用于替换相容的乙烯聚合催化剂的方法 |
| EA028150B1 (ru) * | 2009-12-18 | 2017-10-31 | Тотал Ресерч Энд Текнолоджи Фелюи | Способ замены несовместимых катализаторов полимеризации этилена |
| EP2383298A1 (de) * | 2010-04-30 | 2011-11-02 | Ineos Europe Limited | Polymerisierungsverfahren |
| EP2383301A1 (de) | 2010-04-30 | 2011-11-02 | Ineos Europe Limited | Polymerisierungsverfahren |
| CN103038265B (zh) * | 2010-07-30 | 2015-08-05 | 道达尔研究技术弗吕公司 | 制造聚乙烯的方法 |
| CA2713042C (en) * | 2010-08-11 | 2017-10-24 | Nova Chemicals Corporation | Method of controlling polymer architecture |
| WO2013110322A1 (en) * | 2012-01-24 | 2013-08-01 | Total Research & Technology Feluy | Method for processing polyethylene |
| US9979531B2 (en) | 2013-01-03 | 2018-05-22 | Google Technology Holdings LLC | Method and apparatus for tuning a communication device for multi band operation |
| US10229697B2 (en) | 2013-03-12 | 2019-03-12 | Google Technology Holdings LLC | Apparatus and method for beamforming to obtain voice and noise signals |
| CN107207650B (zh) | 2014-12-22 | 2020-09-15 | Sabic环球技术有限责任公司 | 不相容催化剂之间的转换方法 |
| US10494454B2 (en) * | 2015-03-24 | 2019-12-03 | Sabic Global Technologies B.V. | Process for transitioning between incompatible catalysts |
| SG11201708487RA (en) | 2015-04-24 | 2017-11-29 | Univation Tech Llc | Methods for operating a polymerization reactor |
| CN114621369B (zh) * | 2020-12-10 | 2023-11-28 | 中国石油天然气股份有限公司 | 乙烯气相聚合牌号切换剂及其制备方法 |
| CN114621370B (zh) * | 2020-12-10 | 2023-11-28 | 中国石油天然气股份有限公司 | 一种气相法聚乙烯钛系向铬系催化剂在线快速切换方法 |
| EP4389783A1 (de) | 2022-12-20 | 2024-06-26 | Borealis AG | Katalysatorübergangsverfahren |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4460755A (en) | 1982-09-30 | 1984-07-17 | Union Carbide Corporation | Direct conversion of a polymerization reaction catalyzed by a Ziegler-type catalyst into one catalyzed by a chromium-based catalyst |
| DE3244271A1 (de) * | 1982-11-30 | 1984-05-30 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von polymerisaten des ethylens |
| DE3703038A1 (de) * | 1987-02-03 | 1988-08-11 | Bayer Ag | Verzweigte niederdruckpolyolefine und verfahren zu ihrer herstellung |
| TW206240B (de) * | 1990-02-13 | 1993-05-21 | Mitsui Petroleum Chemicals Ind | |
| FR2665704B1 (fr) * | 1990-08-07 | 1994-04-08 | Bp Chemicals Snc | Procede pour arreter une reaction de (co-)polymerisation effectuee a l'aide d'un catalyseur a base d'oxyde de chrome. |
| GB9103527D0 (en) | 1991-02-20 | 1991-04-10 | Exxon Chemical Patents Inc | Hp catalyst killer |
| DE4130354A1 (de) | 1991-09-12 | 1993-03-18 | Basf Ag | Verfahren zur herstellung von ziegler-natta-katalysatorsystemen |
| DE4206367A1 (de) | 1992-02-29 | 1993-09-02 | Basf Ag | Verfahren zur herstellung von propylen-ethylen-copolymerisaten |
| EP0604993B1 (de) | 1992-12-29 | 1998-08-05 | Nippon Petrochemicals Co., Ltd. | Verfahren zum Betreiben eines Olefinpolymerisationreaktors |
| US5442019A (en) * | 1994-03-25 | 1995-08-15 | Exxon Chemical Company | Process for transitioning between incompatible polymerization catalysts |
| CA2187204C (en) * | 1995-02-07 | 2002-09-10 | Kenji Sugimura | Process for preparing olefin polymer |
| US5672666A (en) * | 1995-06-05 | 1997-09-30 | Exxon Chemical Patents Inc. | Process for transitioning between incompatible polymerization catalysts |
-
1996
- 1996-03-05 NO NO960898A patent/NO301331B1/no unknown
-
1997
- 1997-03-05 AU AU19484/97A patent/AU1948497A/en not_active Abandoned
- 1997-03-05 DE DE69712740T patent/DE69712740T2/de not_active Expired - Fee Related
- 1997-03-05 ES ES01123319T patent/ES2237518T3/es not_active Expired - Lifetime
- 1997-03-05 WO PCT/NO1997/000065 patent/WO1997032905A1/en active IP Right Grant
- 1997-03-05 DE DE69732501T patent/DE69732501T2/de not_active Expired - Fee Related
- 1997-03-05 AT AT97907492T patent/ATE217890T1/de not_active IP Right Cessation
- 1997-03-05 ES ES97907492T patent/ES2173423T3/es not_active Expired - Lifetime
- 1997-03-05 EP EP97907492A patent/EP0885247B1/de not_active Expired - Lifetime
- 1997-03-05 CN CN97192774A patent/CN1131244C/zh not_active Expired - Fee Related
- 1997-03-05 EP EP01123319A patent/EP1182216B1/de not_active Expired - Lifetime
- 1997-03-05 AT AT01123319T patent/ATE288929T1/de not_active IP Right Cessation
- 1997-03-05 US US09/142,402 patent/US6284849B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2237518T3 (es) | 2005-08-01 |
| EP0885247B1 (de) | 2002-05-22 |
| CN1131244C (zh) | 2003-12-17 |
| ATE288929T1 (de) | 2005-02-15 |
| EP1182216A3 (de) | 2002-08-14 |
| DE69712740T2 (de) | 2002-09-05 |
| DE69732501D1 (de) | 2005-03-17 |
| EP1182216A2 (de) | 2002-02-27 |
| AU1948497A (en) | 1997-09-22 |
| DE69712740D1 (de) | 2002-06-27 |
| EP0885247A1 (de) | 1998-12-23 |
| CN1212709A (zh) | 1999-03-31 |
| ES2173423T3 (es) | 2002-10-16 |
| US6284849B1 (en) | 2001-09-04 |
| WO1997032905A1 (en) | 1997-09-12 |
| EP1182216B1 (de) | 2005-02-09 |
| NO960898D0 (no) | 1996-03-05 |
| ATE217890T1 (de) | 2002-06-15 |
| DE69732501T2 (de) | 2006-01-26 |
| NO960898L (no) | 1997-09-08 |
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