ZA200604956B - Polymerization process - Google Patents
Polymerization process Download PDFInfo
- Publication number
- ZA200604956B ZA200604956B ZA200604956A ZA200604956A ZA200604956B ZA 200604956 B ZA200604956 B ZA 200604956B ZA 200604956 A ZA200604956 A ZA 200604956A ZA 200604956 A ZA200604956 A ZA 200604956A ZA 200604956 B ZA200604956 B ZA 200604956B
- Authority
- ZA
- South Africa
- Prior art keywords
- catalyst
- hydrogen
- diluent
- reactor
- polymerisation
- Prior art date
Links
- 238000006116 polymerization reaction Methods 0.000 title description 10
- 239000003054 catalyst Substances 0.000 claims abstract description 107
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 91
- 239000001257 hydrogen Substances 0.000 claims abstract description 90
- 239000003085 diluting agent Substances 0.000 claims abstract description 75
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000000034 method Methods 0.000 claims abstract description 42
- 239000002002 slurry Substances 0.000 claims abstract description 41
- 239000012968 metallocene catalyst Substances 0.000 claims abstract description 35
- 229920000642 polymer Polymers 0.000 claims abstract description 35
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000005977 Ethylene Substances 0.000 claims abstract description 27
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 15
- 239000004711 α-olefin Substances 0.000 claims abstract description 9
- 230000009849 deactivation Effects 0.000 claims description 15
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical group CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical group 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 claims description 5
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims description 5
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 claims description 5
- 239000001282 iso-butane Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 claims description 5
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims description 4
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 3
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 3
- 239000001294 propane Substances 0.000 claims description 3
- 238000011282 treatment Methods 0.000 claims description 3
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 2
- 239000011954 Ziegler–Natta catalyst Substances 0.000 claims description 2
- 229910052723 transition metal Inorganic materials 0.000 claims description 2
- 150000003624 transition metals Chemical class 0.000 claims description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 claims 1
- 238000006555 catalytic reaction Methods 0.000 claims 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims 1
- 239000000178 monomer Substances 0.000 description 14
- 239000000243 solution Substances 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 12
- CPOFMOWDMVWCLF-UHFFFAOYSA-N methyl(oxo)alumane Chemical compound C[Al]=O CPOFMOWDMVWCLF-UHFFFAOYSA-N 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- -1 comonomer Substances 0.000 description 10
- 239000003446 ligand Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 125000006736 (C6-C20) aryl group Chemical group 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 125000001424 substituent group Chemical group 0.000 description 6
- 150000001336 alkenes Chemical class 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- 150000001993 dienes Chemical class 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 description 3
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Natural products C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 3
- 125000003358 C2-C20 alkenyl group Chemical group 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000012190 activator Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 125000005842 heteroatom Chemical group 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- VJLWKQJUUKZXRZ-UHFFFAOYSA-N 2,4,5,5,6,6-hexakis(2-methylpropyl)oxaluminane Chemical compound CC(C)CC1C[Al](CC(C)C)OC(CC(C)C)(CC(C)C)C1(CC(C)C)CC(C)C VJLWKQJUUKZXRZ-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 229940125904 compound 1 Drugs 0.000 description 2
- 229940125782 compound 2 Drugs 0.000 description 2
- 229940126214 compound 3 Drugs 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- VJHGSLHHMIELQD-UHFFFAOYSA-N nona-1,8-diene Chemical compound C=CCCCCCC=C VJHGSLHHMIELQD-UHFFFAOYSA-N 0.000 description 2
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 125000006738 (C6-C20) heteroaryl group Chemical group 0.000 description 1
- PRBHEGAFLDMLAL-UHFFFAOYSA-N 1,5-Hexadiene Natural products CC=CCC=C PRBHEGAFLDMLAL-UHFFFAOYSA-N 0.000 description 1
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- AQZWEFBJYQSQEH-UHFFFAOYSA-N 2-methyloxaluminane Chemical group C[Al]1CCCCO1 AQZWEFBJYQSQEH-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- 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
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 101100482220 Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7) triC gene Proteins 0.000 description 1
- 238000006653 Ziegler-Natta catalysis Methods 0.000 description 1
- 229910007926 ZrCl Inorganic materials 0.000 description 1
- IQTGDGZBSKVCKJ-UHFFFAOYSA-L [Cl-].[Cl-].CCCCC1([Hf++]C2(CCCC)C=CC=C2)C=CC=C1 Chemical compound [Cl-].[Cl-].CCCCC1([Hf++]C2(CCCC)C=CC=C2)C=CC=C1 IQTGDGZBSKVCKJ-UHFFFAOYSA-L 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 229940100198 alkylating agent Drugs 0.000 description 1
- 239000002168 alkylating agent Substances 0.000 description 1
- IYABWNGZIDDRAK-UHFFFAOYSA-N allene Chemical group C=C=C IYABWNGZIDDRAK-UHFFFAOYSA-N 0.000 description 1
- 238000011021 bench scale process Methods 0.000 description 1
- 230000002902 bimodal effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- NLDGJRWPPOSWLC-UHFFFAOYSA-N deca-1,9-diene Chemical compound C=CCCCCCCC=C NLDGJRWPPOSWLC-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- VGRFVJMYCCLWPQ-UHFFFAOYSA-N germanium Chemical compound [Ge].[Ge] VGRFVJMYCCLWPQ-UHFFFAOYSA-N 0.000 description 1
- GEAWFZNTIFJMHR-UHFFFAOYSA-N hepta-1,6-diene Chemical compound C=CCCCC=C GEAWFZNTIFJMHR-UHFFFAOYSA-N 0.000 description 1
- 125000003936 heterocyclopentadienyl group Chemical group 0.000 description 1
- PYGSKMBEVAICCR-UHFFFAOYSA-N hexa-1,5-diene Chemical compound C=CCCC=C PYGSKMBEVAICCR-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000004291 polyenes Chemical class 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 125000003944 tolyl group Chemical group 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
- 229910052726 zirconium 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
- C08F10/02—Ethene
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/2435—Loop-type reactors
-
- 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
- B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00265—Part of all of the reactants being heated or cooled outside the reactor while recycling
- B01J2208/00283—Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant liquids
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00654—Controlling the process by measures relating to the particulate material
- B01J2208/00707—Fouling
-
- 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
-
- 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
- Y10S526/905—Polymerization in presence of transition metal containing catalyst in presence of hydrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03258235A EP1553108B1 (en) | 2003-12-30 | 2003-12-30 | Polymerization Process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200604956B true ZA200604956B (en) | 2008-05-28 |
Family
ID=34585918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200604956A ZA200604956B (en) | 2003-12-30 | 2004-12-27 | Polymerization process |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US7666957B2 (ru) |
| EP (1) | EP1553108B1 (ru) |
| CN (1) | CN100448895C (ru) |
| AT (1) | ATE509964T1 (ru) |
| BR (1) | BRPI0418211A (ru) |
| EA (1) | EA010205B1 (ru) |
| ES (1) | ES2362722T3 (ru) |
| WO (1) | WO2005063830A1 (ru) |
| ZA (1) | ZA200604956B (ru) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2468615T3 (es) | 2009-12-18 | 2014-06-16 | Total Research & Technology Feluy | Procedimiento para mejorar la reacción de polimerizaci�n de etileno |
| US9085650B2 (en) | 2009-12-18 | 2015-07-21 | Total Research & Technology Feluy | Method for replacing incompatible ethylene polymerization catalysts |
| EP2813517B2 (en) * | 2013-06-10 | 2019-06-26 | Borealis AG | Process for the preparation of a propylene polymer |
| US10538604B2 (en) * | 2015-04-17 | 2020-01-21 | Univation Technologies, Llc | Catalysts for control of long chain branching |
| CN112745415B (zh) * | 2019-10-30 | 2022-09-09 | 中国石油化工股份有限公司 | 一种制备高粘度指数聚α-烯烃的方法 |
| CN114426590A (zh) * | 2020-09-28 | 2022-05-03 | 中国石油化工股份有限公司 | 一种茂金属催化剂与Ziegler-Natta催化剂的在线切换方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3193360A (en) * | 1961-05-31 | 1965-07-06 | Phillips Petroleum Co | Apparatus for propylene polymerization |
| CA2156528A1 (en) | 1993-03-25 | 1994-09-29 | Frederick Yip-Kwai Lo | Process for forming a granular resin |
| US5763543A (en) * | 1994-09-14 | 1998-06-09 | Exxon Chemical Patents Inc. | Olefin polymerization process with little or no scavenger present |
| JPH09309926A (ja) | 1996-05-17 | 1997-12-02 | Dow Chem Co:The | エチレン共重合体の製造方法 |
| FI111848B (fi) * | 1997-06-24 | 2003-09-30 | Borealis Tech Oy | Menetelmä ja laitteisto propeenin homo- ja kopolymeerien valmistamiseksi |
| ES2209159T3 (es) * | 1997-06-24 | 2004-06-16 | Borealis Technology Oy | Procedimiento para la preparacion de copolimero de propileno heterofasico. |
| FI973816A0 (fi) * | 1997-09-26 | 1997-09-26 | Borealis As | Polypropen med hoeg smaeltstyrka |
| GB9826874D0 (en) * | 1998-12-07 | 1999-01-27 | Borealis As | Process |
| US6262191B1 (en) | 1999-03-09 | 2001-07-17 | Phillips Petroleum Company | Diluent slip stream to give catalyst wetting agent |
| US6720396B2 (en) * | 2000-11-30 | 2004-04-13 | Univation Technologies, Llc | Polymerization process |
| US6924340B2 (en) * | 2002-04-04 | 2005-08-02 | Equistar Chemicals L.P. | Process for removal of intermediate hydrogen from cascaded polyolefin slurry reactors |
| US6753390B2 (en) * | 2002-09-04 | 2004-06-22 | Univation Technologies, Llc | Gas phase polymerization process |
| KR101167877B1 (ko) * | 2003-07-04 | 2012-07-23 | 바젤 폴리올레핀 게엠베하 | 올레핀 중합 방법 |
-
2003
- 2003-12-30 AT AT03258235T patent/ATE509964T1/de not_active IP Right Cessation
- 2003-12-30 ES ES03258235T patent/ES2362722T3/es not_active Expired - Lifetime
- 2003-12-30 EP EP03258235A patent/EP1553108B1/en not_active Expired - Lifetime
-
2004
- 2004-12-27 US US10/585,199 patent/US7666957B2/en active Active
- 2004-12-27 WO PCT/EP2004/014738 patent/WO2005063830A1/en active Application Filing
- 2004-12-27 EA EA200601228A patent/EA010205B1/ru not_active IP Right Cessation
- 2004-12-27 ZA ZA200604956A patent/ZA200604956B/en unknown
- 2004-12-27 BR BRPI0418211-1A patent/BRPI0418211A/pt not_active IP Right Cessation
- 2004-12-27 CN CNB2004800381898A patent/CN100448895C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2362722T3 (es) | 2011-07-12 |
| CN1898275A (zh) | 2007-01-17 |
| EA200601228A1 (ru) | 2006-12-29 |
| BRPI0418211A (pt) | 2007-04-17 |
| US7666957B2 (en) | 2010-02-23 |
| EP1553108A1 (en) | 2005-07-13 |
| CN100448895C (zh) | 2009-01-07 |
| EP1553108B1 (en) | 2011-05-18 |
| ATE509964T1 (de) | 2011-06-15 |
| US20080269435A1 (en) | 2008-10-30 |
| EA010205B1 (ru) | 2008-06-30 |
| WO2005063830A1 (en) | 2005-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7572875B2 (en) | Ethylene homopolymers or copolymers having good machine direction (MD) elmendorf tear strength | |
| CA2545604C (en) | Catalyst compositions for producing polyolefins in the absence of cocatalysts | |
| EP2460834B1 (en) | Improved acidic activator-supports and catalysts for olefin polymerization | |
| US8329833B2 (en) | Nano-linked metallocene catalyst compositions and their polymer products | |
| US20070043176A1 (en) | Polymerization catalysts and process for producing bimodal polymers in a single reactor | |
| EP0952995B1 (en) | Olefin polymerization catalyst composition having increased activity | |
| CN112969723B (zh) | 通过修整的混合催化剂比的在线调节和使用其的烯烃聚合 | |
| WO2004085499A2 (en) | Metallocene catalysts and preparation of polyolefins therewith | |
| EP2032617A2 (en) | Ethylene-alpha olefin copolymer's and polymerization processes for making the same | |
| WO2007059200A1 (en) | Catalyseurs de la polymerisation des olefines | |
| AU2004324873B2 (en) | Organochromium/ metallocene combination catalyst for producing bimodal resins | |
| KR20020063279A (ko) | 이정점 폴리올레핀 제조용의 혼합된 지글러/메탈로센 촉매 | |
| US6982306B2 (en) | Stannoxy-substituted metallocene catalysts for olefin and acetylene polymerization | |
| CN112996821B (zh) | 具有可通过冷凝剂调节的性质的混合催化剂体系 | |
| US7666957B2 (en) | Polymerization process | |
| US20040063876A1 (en) | Olefin polymerization process | |
| CN112969724B (zh) | 混合催化剂比的在线调节和烯烃聚合 | |
| CN113039212B (zh) | 干燥催化剂进料的管线内修整 | |
| WO2017029579A1 (en) | Method for altering melt flow ratio of ethylene polymers |