CS244991A3 - Method of stopping polymerization of olefins - Google Patents
Method of stopping polymerization of olefins Download PDFInfo
- Publication number
- CS244991A3 CS244991A3 CS912449A CS244991A CS244991A3 CS 244991 A3 CS244991 A3 CS 244991A3 CS 912449 A CS912449 A CS 912449A CS 244991 A CS244991 A CS 244991A CS 244991 A3 CS244991 A3 CS 244991A3
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- reactor
- polymerization
- catalyst
- deactivating agent
- oxygen
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 150000001336 alkenes Chemical class 0.000 title claims abstract description 26
- 238000006116 polymerization reaction Methods 0.000 title claims description 62
- 239000003054 catalyst Substances 0.000 claims abstract description 55
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 16
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000001301 oxygen Substances 0.000 claims abstract description 16
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910001868 water Inorganic materials 0.000 claims abstract description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 5
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 239000011541 reaction mixture Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 238000012685 gas phase polymerization Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 230000000415 inactivating effect Effects 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- 230000002411 adverse Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229910001882 dioxygen Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 abstract description 18
- 239000007789 gas Substances 0.000 abstract description 16
- 229910000423 chromium oxide Inorganic materials 0.000 abstract description 14
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 9
- 229910052804 chromium Inorganic materials 0.000 description 9
- 239000011651 chromium Substances 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 8
- LFXVBWRMVZPLFK-UHFFFAOYSA-N trioctylalumane Chemical compound CCCCCCCC[Al](CCCCCCCC)CCCCCCCC LFXVBWRMVZPLFK-UHFFFAOYSA-N 0.000 description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 7
- 239000005977 Ethylene Substances 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- 239000000725 suspension Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 238000005243 fluidization Methods 0.000 description 6
- 239000008246 gaseous mixture Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- -1 chromium oxide Chemical class 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 150000002902 organometallic compounds Chemical class 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 229940117975 chromium trioxide Drugs 0.000 description 4
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 239000004711 α-olefin Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 239000003570 air Substances 0.000 description 3
- 150000001845 chromium compounds Chemical class 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- PMJNEQWWZRSFCE-UHFFFAOYSA-N 3-ethoxy-3-oxo-2-(thiophen-2-ylmethyl)propanoic acid Chemical compound CCOC(=O)C(C(O)=O)CC1=CC=CS1 PMJNEQWWZRSFCE-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- OLBVUFHMDRJKTK-UHFFFAOYSA-N [N].[O] Chemical compound [N].[O] OLBVUFHMDRJKTK-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000001668 ameliorated effect Effects 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 150000004761 hexafluorosilicates Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000002901 organomagnesium compounds Chemical class 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000001294 propane Substances 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
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- WMOVHXAZOJBABW-UHFFFAOYSA-N tert-butyl acetate Chemical compound CC(=O)OC(C)(C)C WMOVHXAZOJBABW-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 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
- 229910001928 zirconium oxide Inorganic materials 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
-
- 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
- C08F2/00—Processes of polymerisation
-
- 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
- C08F10/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Glass Compositions (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Materials For Medical Uses (AREA)
- Dental Preparations (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9010281A FR2665704B1 (fr) | 1990-08-07 | 1990-08-07 | Procede pour arreter une reaction de (co-)polymerisation effectuee a l'aide d'un catalyseur a base d'oxyde de chrome. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS244991A3 true CS244991A3 (en) | 1992-02-19 |
Family
ID=9399633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS912449A CS244991A3 (en) | 1990-08-07 | 1991-08-07 | Method of stopping polymerization of olefins |
Country Status (24)
| Country | Link |
|---|---|
| EP (1) | EP0471497B2 (de) |
| JP (1) | JP3272375B2 (de) |
| KR (1) | KR100189208B1 (de) |
| CN (1) | CN1030320C (de) |
| AT (1) | ATE106902T1 (de) |
| AU (1) | AU643050B2 (de) |
| BG (1) | BG60056B2 (de) |
| BR (1) | BR9103358A (de) |
| CA (1) | CA2048032C (de) |
| CS (1) | CS244991A3 (de) |
| DE (1) | DE69102368T3 (de) |
| ES (1) | ES2055544T5 (de) |
| FI (1) | FI99228C (de) |
| FR (1) | FR2665704B1 (de) |
| HU (1) | HUT59703A (de) |
| MX (1) | MX9100539A (de) |
| MY (1) | MY109659A (de) |
| NO (1) | NO178152C (de) |
| NZ (1) | NZ239261A (de) |
| PL (1) | PL291341A1 (de) |
| PT (1) | PT98586B (de) |
| TW (1) | TW200494B (de) |
| YU (1) | YU135791A (de) |
| ZA (1) | ZA915809B (de) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5270408A (en) * | 1992-01-29 | 1993-12-14 | Union Carbide Chemicals & Plastics Technology Corporation | Method and apparatus for stopping reaction in a gas phase polymerization reactor system |
| DE69320163T2 (de) * | 1992-12-29 | 1999-04-22 | Nippon Petrochemicals Co., Ltd., Tokio/Tokyo | Verfahren zum Betreiben eines Olefinpolymerisationreaktors |
| DE69311524T2 (de) * | 1992-12-29 | 1998-02-05 | Nippon Petrochemicals Co Ltd | Verfahren zur Alpha-Olefin-Polymerisation in der Dampfphase |
| JP3216928B2 (ja) * | 1992-12-29 | 2001-10-09 | 日本石油化学株式会社 | 気相重合反応系の乾燥方法 |
| CA2112505A1 (en) * | 1992-12-30 | 1994-07-01 | Masahiro Niwa | Method of vapor phase polymerization of olefins |
| US5371053A (en) * | 1993-05-18 | 1994-12-06 | Exxon Chemical Patents Inc. | Process for deactivating Ziegler-Natta and metallocene catalysts |
| UA58498C2 (uk) * | 1995-12-01 | 2003-08-15 | Шеврон Кемікал Компані Ел Ел Сі | Спосіб полімеризації етилену |
| NO301331B1 (no) | 1996-03-05 | 1997-10-13 | Borealis As | Fremgangsmåte for skifting av katalysator ved suspensjonspolymerisasjon av olefiner |
| US5731381A (en) * | 1996-11-01 | 1998-03-24 | Union Carbide Chemicals & Plastics Technology Corporation | Termination of gas phase polymerizations of conjugated dienes, vinyl-substituted aromatic compounds and mixtures thereof |
| ZA986048B (en) * | 1997-09-12 | 1999-02-01 | Union Carbide Chem Plastic | A process for the preparation of polyethylene |
| DE19800020A1 (de) | 1998-01-05 | 1999-07-08 | Basf Ag | Kontinuierliches Gasphasenpolymerisationsverfahren |
| EP1153934A1 (de) * | 2000-05-09 | 2001-11-14 | BP Chemicals S.N.C. | Verfahren zur Deaktivierung einer Polymerisationsreaktion |
| JP4610130B2 (ja) * | 2000-07-07 | 2011-01-12 | 日本ポリオレフィン株式会社 | エチレン系重合体およびその製造方法 |
| EP1207170A1 (de) | 2000-11-20 | 2002-05-22 | BP Chemicals S.N.C. | Verfahren zur kontinuierlichen Gasphasen (Co-)Polymerisation von Olefinen in einem Fliessbettreaktor |
| DE10156202A1 (de) | 2001-11-15 | 2003-06-05 | Basell Polyolefine Gmbh | Kontinuierliches Gasphasenpolymerisationsverfahren |
| US6841630B2 (en) * | 2002-12-31 | 2005-01-11 | Univation Technologies, Llc | Processes for transitioning between chrome-based and mixed polymerization catalysts |
| EP1840141A1 (de) * | 2006-03-31 | 2007-10-03 | Total Petrochemicals Research Feluy | Verfahren zur Beendung einer katalysierten Olefinpolymerization |
| CN102762608B (zh) * | 2009-12-18 | 2014-08-20 | 道达尔研究技术弗吕公司 | 用于中和聚合催化剂的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004417B2 (de) * | 1978-03-23 | 1990-02-28 | Imperial Chemical Industries Plc | System zur Polymerisation von Olefinen in der Gasphase und dessen Steuerungsverfahren |
| EP0136029A3 (de) * | 1983-09-01 | 1986-08-20 | Mobil Oil Corporation | Verfahren und Vorrichtung zum Einspritzen eines Stopgases in die Gasphase eines katalytischen Polymerisationsreaktors |
| FR2646426B2 (fr) * | 1988-09-13 | 1991-08-16 | Bp Chemicals Sa | Procede et appareillage de polymerisation d'alpha-olefine en phase gazeuse en presence d'un agent ralentisseur d'activite |
-
1990
- 1990-08-07 FR FR9010281A patent/FR2665704B1/fr not_active Expired - Fee Related
-
1991
- 1991-07-24 ZA ZA915809A patent/ZA915809B/xx unknown
- 1991-08-01 CA CA002048032A patent/CA2048032C/en not_active Expired - Fee Related
- 1991-08-01 BG BG094932A patent/BG60056B2/bg unknown
- 1991-08-02 AU AU81576/91A patent/AU643050B2/en not_active Ceased
- 1991-08-05 NZ NZ239261A patent/NZ239261A/en unknown
- 1991-08-05 MY MYPI91001413A patent/MY109659A/en unknown
- 1991-08-05 BR BR919103358A patent/BR9103358A/pt unknown
- 1991-08-06 NO NO913062A patent/NO178152C/no not_active IP Right Cessation
- 1991-08-06 EP EP91307217A patent/EP0471497B2/de not_active Expired - Lifetime
- 1991-08-06 ES ES91307217T patent/ES2055544T5/es not_active Expired - Lifetime
- 1991-08-06 PT PT98586A patent/PT98586B/pt not_active IP Right Cessation
- 1991-08-06 HU HU912615A patent/HUT59703A/hu unknown
- 1991-08-06 JP JP19651891A patent/JP3272375B2/ja not_active Expired - Fee Related
- 1991-08-06 MX MX9100539A patent/MX9100539A/es unknown
- 1991-08-06 DE DE69102368T patent/DE69102368T3/de not_active Expired - Fee Related
- 1991-08-06 AT AT91307217T patent/ATE106902T1/de not_active IP Right Cessation
- 1991-08-06 PL PL29134191A patent/PL291341A1/xx unknown
- 1991-08-07 KR KR1019910013667A patent/KR100189208B1/ko not_active Expired - Lifetime
- 1991-08-07 FI FI913752A patent/FI99228C/fi not_active IP Right Cessation
- 1991-08-07 TW TW080106232A patent/TW200494B/zh not_active IP Right Cessation
- 1991-08-07 CN CN91105943A patent/CN1030320C/zh not_active Expired - Fee Related
- 1991-08-07 CS CS912449A patent/CS244991A3/cs unknown
- 1991-08-07 YU YU135791A patent/YU135791A/sh unknown
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CS244991A3 (en) | Method of stopping polymerization of olefins | |
| JP3972077B2 (ja) | 気相重合方法 | |
| US4719193A (en) | Processes for preparing polyethylene catalysts by heating catalyst precursors | |
| EP1611171B1 (de) | Katalysatoren basiert auf chrom in einem mineralöl und verfahren zur polymerisation von ethylen | |
| FI76816C (fi) | Direkt omvandling av en polymerisationsreaktion som katalyseras av en ziegler-typs katalysator till en polymerisationsreaktion som katalyseras av en krombaserad katalysator. | |
| CS401691A3 (en) | Process of ethylene polymerization or co-polymerization thereof with alpha-olefins in a fluidized bed and in the presence of a chromium-based catalyst | |
| US4921919A (en) | Method and apparatus for minimizing polymer agglomerate or lump formation in a gas-phase polypropylene polymerization reactor | |
| JP2820985B2 (ja) | 活性剤と活性遅延剤とを重合媒体へ同時に添加することにより制御されるα―オレフィンの気相重合方法 | |
| JP3972078B2 (ja) | 気相重合方法 | |
| IE58840B1 (en) | Process for simultaneously dimerizing ethylene and copolymerizing ethylene with the dimerized product | |
| JP3017542B2 (ja) | エチレンのガス相（共−）重合化方法 | |
| JPH07502300A (ja) | 触媒の製造方法 | |
| CA2112507A1 (en) | Method for drying vapor phase reaction system | |
| CN110903426B (zh) | 一种双峰高密度聚乙烯及其生产工艺 | |
| EP0952990A1 (de) | Zeitweiliger leerlauf einer polymerisationsreaktion | |
| JP2755699B2 (ja) | 有機金属化合物を導入して流動床反応器中でオレフィン類をガス相重合化する装置及び方法 | |
| US5336738A (en) | Kill-gas introduction to a fluidized bed reactor containing chromium oxide catalyst | |
| JPH0380164B2 (de) | ||
| KR100522617B1 (ko) | 에틸렌 (공)중합용 담지촉매, 그 제조 방법 및 이용 방법 | |
| KR100359931B1 (ko) | 에틸렌 중합 또는 에틸렌/α-올레핀 공중합용 촉매의제조방법 | |
| CN105518030B (zh) | 烯烃的(共)聚合方法 | |
| KR100359930B1 (ko) | 에틸렌 중합 또는 에틸렌/α-올레핀 공중합용 촉매의제조방법 | |
| WO2002042341A1 (en) | Process for the continuous gas-phase (co-) polymerisation of olefins in a fluidised bed reactor |