CA2713239C - Systems and methods for fabricating polyolefins - Google Patents
Systems and methods for fabricating polyolefins Download PDFInfo
- Publication number
- CA2713239C CA2713239C CA2713239A CA2713239A CA2713239C CA 2713239 C CA2713239 C CA 2713239C CA 2713239 A CA2713239 A CA 2713239A CA 2713239 A CA2713239 A CA 2713239A CA 2713239 C CA2713239 C CA 2713239C
- Authority
- CA
- Canada
- Prior art keywords
- reactor system
- fluidized bed
- oxygen
- bed reactor
- catalyst
- Prior art date
- 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.)
- Active
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 39
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 120
- 239000001301 oxygen Substances 0.000 claims abstract description 119
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 119
- 239000003054 catalyst Substances 0.000 claims description 119
- GCPCLEKQVMKXJM-UHFFFAOYSA-N ethoxy(diethyl)alumane Chemical compound CCO[Al](CC)CC GCPCLEKQVMKXJM-UHFFFAOYSA-N 0.000 claims description 45
- 239000000178 monomer Substances 0.000 claims description 43
- -1 polyethylene Polymers 0.000 claims description 39
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 37
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 37
- 229920000642 polymer Polymers 0.000 claims description 33
- 230000002829 reductive effect Effects 0.000 claims description 32
- 238000004519 manufacturing process Methods 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 239000011651 chromium Substances 0.000 claims description 28
- 229920000573 polyethylene Polymers 0.000 claims description 28
- 239000004698 Polyethylene Substances 0.000 claims description 27
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 24
- 239000005977 Ethylene Substances 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 abstract description 38
- 239000007789 gas Substances 0.000 description 50
- 239000000047 product Substances 0.000 description 39
- 229940035427 chromium oxide Drugs 0.000 description 32
- 239000002245 particle Substances 0.000 description 25
- 239000012071 phase Substances 0.000 description 23
- 238000009826 distribution Methods 0.000 description 18
- 239000012530 fluid Substances 0.000 description 18
- 230000008569 process Effects 0.000 description 17
- 238000013459 approach Methods 0.000 description 13
- 229910052804 chromium Inorganic materials 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 239000007787 solid Substances 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 230000009467 reduction Effects 0.000 description 9
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000013590 bulk material Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 239000007790 solid phase Substances 0.000 description 6
- 238000005243 fluidization Methods 0.000 description 5
- 238000007429 general method Methods 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 125000005843 halogen group Chemical group 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 4
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 3
- 230000035508 accumulation Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 150000001993 dienes Chemical class 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 239000003446 ligand Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- 239000004711 α-olefin Substances 0.000 description 3
- XWJBRBSPAODJER-UHFFFAOYSA-N 1,7-octadiene Chemical compound C=CCCCCC=C XWJBRBSPAODJER-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-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
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001845 chromium compounds Chemical class 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 239000002574 poison Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- OJOWICOBYCXEKR-KRXBUXKQSA-N (5e)-5-ethylidenebicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(=C/C)/CC1C=C2 OJOWICOBYCXEKR-KRXBUXKQSA-N 0.000 description 1
- PRBHEGAFLDMLAL-UHFFFAOYSA-N 1,5-Hexadiene Natural products CC=CCC=C PRBHEGAFLDMLAL-UHFFFAOYSA-N 0.000 description 1
- SDRZFSPCVYEJTP-UHFFFAOYSA-N 1-ethenylcyclohexene Chemical compound C=CC1=CCCCC1 SDRZFSPCVYEJTP-UHFFFAOYSA-N 0.000 description 1
- 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 1
- INYHZQLKOKTDAI-UHFFFAOYSA-N 5-ethenylbicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(C=C)CC1C=C2 INYHZQLKOKTDAI-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical group [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000012685 gas phase polymerization Methods 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- PYGSKMBEVAICCR-UHFFFAOYSA-N hexa-1,5-diene Chemical compound C=CCCC=C PYGSKMBEVAICCR-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002688 maleic acid derivatives Chemical class 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- QYZLKGVUSQXAMU-UHFFFAOYSA-N penta-1,4-diene Chemical compound C=CCC=C QYZLKGVUSQXAMU-UHFFFAOYSA-N 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000000750 progressive effect Effects 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
- 239000005060 rubber Substances 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 229920001897 terpolymer Polymers 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
- 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
-
- 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
- C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
-
- 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
- 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
- C08F4/60—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 refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/69—Chromium, molybdenum, tungsten or compounds thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Combustion & Propulsion (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)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US92099807P | 2007-03-30 | 2007-03-30 | |
| US60/920,998 | 2007-03-30 | ||
| PCT/US2008/002311 WO2008121187A1 (en) | 2007-03-30 | 2008-02-21 | Systems and methods for fabricating polyolefins |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2713239A1 CA2713239A1 (en) | 2008-10-09 |
| CA2713239C true CA2713239C (en) | 2015-02-17 |
Family
ID=38531018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2713239A Active CA2713239C (en) | 2007-03-30 | 2008-02-21 | Systems and methods for fabricating polyolefins |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US8981021B2 (enExample) |
| EP (1) | EP2132238B1 (enExample) |
| JP (1) | JP5378349B2 (enExample) |
| KR (1) | KR101465824B1 (enExample) |
| CN (1) | CN101646694B (enExample) |
| AR (1) | AR065821A1 (enExample) |
| BR (1) | BRPI0809538B1 (enExample) |
| CA (1) | CA2713239C (enExample) |
| CO (1) | CO6231042A2 (enExample) |
| ES (1) | ES2421887T3 (enExample) |
| MX (1) | MX2009010533A (enExample) |
| MY (1) | MY151622A (enExample) |
| RU (1) | RU2461577C2 (enExample) |
| WO (1) | WO2008121187A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010074994A1 (en) * | 2008-12-22 | 2010-07-01 | Univation Technologies, Llc | Systems and methods for fabricating polymers |
| US20100139924A1 (en) * | 2008-12-08 | 2010-06-10 | Halliburton Energy Services, Inc. | Method and apparatus for removing plugs from subsea equipment through the use of exothermic reacting chemicals |
| JP5175802B2 (ja) * | 2009-06-26 | 2013-04-03 | 日本ポリエチレン株式会社 | クロム系触媒を用いたエチレン系重合体の製造方法 |
| BR112016010838B1 (pt) * | 2013-11-21 | 2022-05-03 | Univation Technologies, Llc | Método para produzir poliolefinas |
| CA3044897A1 (en) * | 2016-11-28 | 2018-05-31 | Univation Technologies, Llc | Producing a polyethylene polymer |
| CN106831332A (zh) * | 2017-03-14 | 2017-06-13 | 四川泸州巨宏化工有限责任公司 | 合成甲基丁炔醇的炔化反应系统 |
| KR102479346B1 (ko) | 2018-11-12 | 2022-12-19 | 주식회사 엘지화학 | 폴리올레핀 제조 공정에서의 파울링 예측 방법 |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482687A (en) * | 1979-10-26 | 1984-11-13 | Union Carbide Corporation | Preparation of low-density ethylene copolymers in fluid bed reactor |
| US4543399A (en) * | 1982-03-24 | 1985-09-24 | Union Carbide Corporation | Fluidized bed reaction systems |
| CA1235543A (en) | 1984-09-12 | 1988-04-19 | Norio Kashiwa | Process for producing propylene block copolymer |
| US5473027A (en) | 1986-06-20 | 1995-12-05 | Chevron Chemical Company | Production of blow molding polyethylene resin |
| US5034479A (en) | 1987-10-22 | 1991-07-23 | Union Carbide Chemicals And Plastics Technology Corporation | Process for reducing sheeting during polymerization of alpha-olefins |
| US5244987A (en) * | 1988-12-22 | 1993-09-14 | Bf Chemicals Limited | Process for alpha-olefin gas-phase polymerization controlled by the simultaneous addition of an activator and an activity retarder to the polymerization medium |
| FR2640978B1 (enExample) * | 1988-12-22 | 1991-04-19 | Bp Chimie Sa | |
| AU643057B2 (en) | 1990-07-27 | 1993-11-04 | Nippon Petrochemicals Company Limited | Process for producing polyolefin |
| FR2666338B1 (fr) * | 1990-08-31 | 1994-04-08 | Bp Chemicals Snc | Procede regule de polymerisation d'olefine en phase gazeuse effectue a l'aide d'un catalyseur a base d'oxyde de chrome. |
| US5137994A (en) * | 1991-05-23 | 1992-08-11 | Union Carbide Chemicals & Plastics Technology Corporation | Process for the simultaneous trimerization and copolymerization of ethylene |
| IT1262933B (it) | 1992-01-31 | 1996-07-22 | Montecatini Tecnologie Srl | Processo per la polimerizzazione in fase gas di alfa-olefine |
| ZA943399B (en) * | 1993-05-20 | 1995-11-17 | Bp Chem Int Ltd | Polymerisation process |
| RU2053839C1 (ru) * | 1993-06-18 | 1996-02-10 | Институт катализа им.Г.К.Борескова СО РАН | Способ приготовления катализатора для полимеризации этилена |
| GB9500226D0 (en) | 1995-01-06 | 1995-03-01 | Bp Chem Int Ltd | Nozzle |
| US5844054A (en) * | 1997-03-21 | 1998-12-01 | Samples; Paul Kevin | Process control in the presence of chromium based catalysts |
| US6022933A (en) * | 1997-08-14 | 2000-02-08 | Union Carbide Chemicals & Plastics Technology Corporation | Process for the preparation of polyethylene |
| CN1095475C (zh) | 1997-10-13 | 2002-12-04 | 中国石化齐鲁石油化工公司 | 一种适用于气相法乙烯聚合工艺的负载型催化剂及其制备方法 |
| DE19754380A1 (de) | 1997-12-09 | 1999-06-10 | Basf Ag | Gasphasenwirbelschichtverfahren und danach erhältliche Ethylenhomo- und -copolymere |
| DE19800020A1 (de) | 1998-01-05 | 1999-07-08 | Basf Ag | Kontinuierliches Gasphasenpolymerisationsverfahren |
| EP0959082A1 (en) | 1998-05-19 | 1999-11-24 | Bp Chemicals S.N.C. | Polymerisation process |
| GB9822123D0 (en) | 1998-10-09 | 1998-12-02 | Borealis As | Catalyst |
| BR9906022A (pt) | 1999-12-30 | 2001-09-25 | Opp Petroquimica S A | Processo para a produção controlada de polietileno e seus copolìmeros |
| ATE338077T1 (de) * | 2000-04-06 | 2006-09-15 | Ineos Europe Ltd | Verfahren zur olefin gasphasenpolymerisation |
| US6584610B1 (en) | 2000-10-25 | 2003-06-24 | Numerical Technologies, Inc. | Incrementally resolved phase-shift conflicts in layouts for phase-shifted features |
| US6605675B2 (en) | 2000-12-04 | 2003-08-12 | Univation Technologies, Llc | Polymerization process |
| DE10156202A1 (de) | 2001-11-15 | 2003-06-05 | Basell Polyolefine Gmbh | Kontinuierliches Gasphasenpolymerisationsverfahren |
| US6989344B2 (en) * | 2002-12-27 | 2006-01-24 | Univation Technologies, Llc | Supported chromium oxide catalyst for the production of broad molecular weight polyethylene |
| RU2331653C2 (ru) * | 2003-10-15 | 2008-08-20 | Юнивейшн Технолоджиз, Ллс | Способ полимеризации и регулирование характеристик полимерной композиции |
| US7238756B2 (en) | 2003-10-15 | 2007-07-03 | Univation Technologies, Llc | Polymerization process and control of polymer composition properties |
| US6878454B1 (en) | 2003-12-05 | 2005-04-12 | Univation Technologies, Llc | Polyethylene films |
| WO2005113615A2 (en) | 2004-05-20 | 2005-12-01 | Univation Technologies, Llc | Gas olefin polymerization process |
| WO2006107373A1 (en) | 2005-03-31 | 2006-10-12 | Exxonmobil Chemical Patents Inc. | Processes for producing high density polyethylene |
-
2008
- 2008-02-21 ES ES08725901T patent/ES2421887T3/es active Active
- 2008-02-21 JP JP2010502074A patent/JP5378349B2/ja not_active Expired - Fee Related
- 2008-02-21 US US12/531,418 patent/US8981021B2/en active Active
- 2008-02-21 BR BRPI0809538-8A patent/BRPI0809538B1/pt active IP Right Grant
- 2008-02-21 EP EP08725901.6A patent/EP2132238B1/en active Active
- 2008-02-21 CN CN2008800103528A patent/CN101646694B/zh active Active
- 2008-02-21 MY MYPI20094033 patent/MY151622A/en unknown
- 2008-02-21 WO PCT/US2008/002311 patent/WO2008121187A1/en not_active Ceased
- 2008-02-21 KR KR1020097022517A patent/KR101465824B1/ko active Active
- 2008-02-21 MX MX2009010533A patent/MX2009010533A/es active IP Right Grant
- 2008-02-21 CA CA2713239A patent/CA2713239C/en active Active
- 2008-02-21 RU RU2009139913/04A patent/RU2461577C2/ru active
- 2008-03-25 AR ARP080101207A patent/AR065821A1/es unknown
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- 2009-09-23 CO CO09103855A patent/CO6231042A2/es not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008121187A1 (en) | 2008-10-09 |
| MY151622A (en) | 2014-06-30 |
| BRPI0809538B1 (pt) | 2021-06-08 |
| BRPI0809538A2 (pt) | 2020-12-15 |
| CA2713239A1 (en) | 2008-10-09 |
| EP2132238B1 (en) | 2013-05-01 |
| RU2009139913A (ru) | 2011-05-10 |
| CN101646694A (zh) | 2010-02-10 |
| RU2461577C2 (ru) | 2012-09-20 |
| KR20100015989A (ko) | 2010-02-12 |
| JP5378349B2 (ja) | 2013-12-25 |
| KR101465824B1 (ko) | 2014-11-26 |
| US20100105849A1 (en) | 2010-04-29 |
| US8981021B2 (en) | 2015-03-17 |
| CO6231042A2 (es) | 2010-12-20 |
| ES2421887T3 (es) | 2013-09-06 |
| EP2132238A1 (en) | 2009-12-16 |
| MX2009010533A (es) | 2009-12-15 |
| CN101646694B (zh) | 2012-06-20 |
| AR065821A1 (es) | 2009-07-01 |
| JP2010523757A (ja) | 2010-07-15 |
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