FI114316B - Menetelmä alfa-olefiinien polymeroimiseksi kaasufaasissa - Google Patents
Menetelmä alfa-olefiinien polymeroimiseksi kaasufaasissa Download PDFInfo
- Publication number
- FI114316B FI114316B FI954939A FI954939A FI114316B FI 114316 B FI114316 B FI 114316B FI 954939 A FI954939 A FI 954939A FI 954939 A FI954939 A FI 954939A FI 114316 B FI114316 B FI 114316B
- Authority
- FI
- Finland
- Prior art keywords
- reactor
- polymerization
- gas phase
- gas
- catalyst
- Prior art date
Links
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000008569 process Effects 0.000 title claims abstract description 20
- 239000004711 α-olefin Substances 0.000 title description 6
- 239000000178 monomer Substances 0.000 claims abstract description 38
- 239000003054 catalyst Substances 0.000 claims abstract description 30
- 150000001336 alkenes Chemical class 0.000 claims abstract description 13
- 150000001335 aliphatic alkanes Chemical class 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 67
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical group CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 28
- 239000001294 propane Substances 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 238000012685 gas phase polymerization Methods 0.000 claims description 8
- -1 magnesium halide Chemical class 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 239000011949 solid catalyst Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 238000010924 continuous production Methods 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 150000003682 vanadium compounds Chemical class 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 239000007791 liquid phase Substances 0.000 abstract description 2
- 239000003085 diluting agent Substances 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 30
- 229920000642 polymer Polymers 0.000 description 30
- 239000012071 phase Substances 0.000 description 27
- 239000000203 mixture Substances 0.000 description 24
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 23
- 239000005977 Ethylene Substances 0.000 description 23
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 16
- 239000002245 particle Substances 0.000 description 12
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- 239000011261 inert gas Substances 0.000 description 9
- 238000004064 recycling Methods 0.000 description 9
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000019271 petrolatum Nutrition 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 230000009257 reactivity Effects 0.000 description 4
- 229920002545 silicone oil Polymers 0.000 description 4
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 3
- 239000004264 Petrolatum Substances 0.000 description 3
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005243 fluidization Methods 0.000 description 3
- 229920000092 linear low density polyethylene Polymers 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229940066842 petrolatum Drugs 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 150000005840 aryl radicals Chemical group 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- MGWAVDBGNNKXQV-UHFFFAOYSA-N diisobutyl phthalate Chemical compound CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C MGWAVDBGNNKXQV-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920005606 polypropylene copolymer Polymers 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000012798 spherical particle Substances 0.000 description 2
- 150000003609 titanium compounds Chemical class 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 229920001862 ultra low molecular weight polyethylene Polymers 0.000 description 2
- 229920001866 very low density polyethylene Polymers 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 101100243951 Caenorhabditis elegans pie-1 gene Proteins 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 206010037211 Psychomotor hyperactivity Diseases 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 229910003910 SiCl4 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000004708 Very-low-density polyethylene Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- SJJCABYOVIHNPZ-UHFFFAOYSA-N cyclohexyl-dimethoxy-methylsilane Chemical compound CO[Si](C)(OC)C1CCCCC1 SJJCABYOVIHNPZ-UHFFFAOYSA-N 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JWCYDYZLEAQGJJ-UHFFFAOYSA-N dicyclopentyl(dimethoxy)silane Chemical compound C1CCCC1[Si](OC)(OC)C1CCCC1 JWCYDYZLEAQGJJ-UHFFFAOYSA-N 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001198 elastomeric copolymer Polymers 0.000 description 1
- 229920013728 elastomeric terpolymer Polymers 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- JQOAQUXIUNVRQW-UHFFFAOYSA-N hexane Chemical compound CCCCCC.CCCCCC JQOAQUXIUNVRQW-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000011144 upstream manufacturing 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
-
- 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
- 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
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
-
- 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
- C08F2/001—Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate polymer
-
- 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
- C08F2/34—Polymerisation in gaseous state
-
- 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
- Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI940305 | 1994-02-21 | ||
| ITMI940305A IT1274016B (it) | 1994-02-21 | 1994-02-21 | Processo per la polimerizzazione in fase gas delle a-olefine |
| PCT/EP1995/000544 WO1995022565A1 (fr) | 1994-02-21 | 1995-02-15 | PROCEDE DESTINE A LA POLYMERISATION EN PHASE GAZEUSE D'α-OLEFINES |
| EP9500544 | 1995-02-15 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI954939A0 FI954939A0 (fi) | 1995-10-17 |
| FI954939A FI954939A (fi) | 1995-12-13 |
| FI114316B true FI114316B (fi) | 2004-09-30 |
Family
ID=11367920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI954939A FI114316B (fi) | 1994-02-21 | 1995-10-17 | Menetelmä alfa-olefiinien polymeroimiseksi kaasufaasissa |
Country Status (27)
| Country | Link |
|---|---|
| US (1) | US5610244A (fr) |
| EP (1) | EP0695313B1 (fr) |
| JP (1) | JPH09501733A (fr) |
| KR (1) | KR100337049B1 (fr) |
| CN (1) | CN1068337C (fr) |
| AT (1) | ATE162807T1 (fr) |
| AU (1) | AU684140B2 (fr) |
| BR (1) | BR9505777A (fr) |
| CZ (1) | CZ288806B6 (fr) |
| DE (1) | DE69501526T2 (fr) |
| DK (1) | DK0695313T3 (fr) |
| EG (1) | EG21081A (fr) |
| ES (1) | ES2113736T3 (fr) |
| FI (1) | FI114316B (fr) |
| HU (1) | HU213183B (fr) |
| IL (1) | IL112690A (fr) |
| IT (1) | IT1274016B (fr) |
| MY (1) | MY114867A (fr) |
| NO (1) | NO308170B1 (fr) |
| PL (1) | PL179285B1 (fr) |
| RO (1) | RO115166B1 (fr) |
| RU (1) | RU2142471C1 (fr) |
| SK (1) | SK280746B6 (fr) |
| TR (1) | TR28465A (fr) |
| UA (1) | UA37231C2 (fr) |
| WO (1) | WO1995022565A1 (fr) |
| ZA (1) | ZA951296B (fr) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19653079A1 (de) * | 1996-12-19 | 1998-06-25 | Basf Ag | Verfahren zur Gasphasenpolymerisation von C¶2¶-C¶8¶-Alk-1-enen mittels Ziegler -Natta- oder Metallocen-Katalysatorsystemen |
| EP0986589B1 (fr) * | 1997-06-05 | 2002-08-28 | POLYPROPYLENE BELGIUM (Naamloze Vennootschap) | Procede en continu de production de polymeres de polypropylene |
| HUP0002503A3 (en) | 1998-03-23 | 2001-04-28 | Montell Technology Company Bv | Prepolymerized catalyst components for the polymerization of olefins, process for producing thereof and process for polymerizing thereby |
| US6977283B1 (en) | 1998-04-07 | 2005-12-20 | Exxonmobil Chemical Patents Inc. | Polymerization process |
| US7354880B2 (en) * | 1998-07-10 | 2008-04-08 | Univation Technologies, Llc | Catalyst composition and methods for its preparation and use in a polymerization process |
| IT1301990B1 (it) | 1998-08-03 | 2000-07-20 | Licio Zambon | Catalizzatori per la polimerizzazione delle olefine. |
| US6429270B2 (en) | 1998-09-14 | 2002-08-06 | Union Carbide Chemicals & Plastics Technology Corporation | Process for preparing olefin polymerization catalyst mixture |
| JP4767415B2 (ja) * | 1998-11-30 | 2011-09-07 | イネオス ユーロープ リミテッド | 重合調節方法 |
| EP1020481A1 (fr) * | 1999-01-18 | 2000-07-19 | Fina Research S.A. | Production d'éthyléne |
| EP1083192A1 (fr) * | 1999-09-10 | 2001-03-14 | Union Carbide Chemicals & Plastics Technology Corporation | Procédé d'alimentation d'un comonomère liquide dans un réacteur de polymérisation à lit fluidisé |
| AU782724B2 (en) | 2000-05-12 | 2005-08-25 | Basell Technology Company B.V. | Pre-polymerized catalyst components for the polymerization of olefins |
| US6593267B2 (en) | 2000-12-18 | 2003-07-15 | Univation Technologies, Llc | Method for preparing a supported catalyst system and its use in a polymerization process |
| US6933258B2 (en) | 2000-12-19 | 2005-08-23 | Univation Technologies, L.L.C. | Catalyst composition and methods for its preparation and use in a polymerization process |
| EP1516000B1 (fr) * | 2002-06-25 | 2011-02-23 | Borealis Technology Oy | Polyolefine presentant une meilleure resistance aux eraflures et son procede de fabrication |
| WO2004094487A1 (fr) * | 2003-03-21 | 2004-11-04 | Dow Global Technologies, Inc. | Procede de polymerisation d'olefines avec controle de la morphologie |
| KR101167877B1 (ko) | 2003-07-04 | 2012-07-23 | 바젤 폴리올레핀 게엠베하 | 올레핀 중합 방법 |
| BR122014013907B1 (pt) | 2003-09-23 | 2020-11-10 | Dow Global Technologies Inc | processo para a polimerização em fase gasosa de etileno |
| US7985811B2 (en) * | 2004-01-02 | 2011-07-26 | Univation Technologies, Llc | Method for controlling sheeting in gas phase reactors |
| US20070073012A1 (en) * | 2005-09-28 | 2007-03-29 | Pannell Richard B | Method for seed bed treatment before a polymerization reaction |
| US20050148742A1 (en) * | 2004-01-02 | 2005-07-07 | Hagerty Robert O. | Method for controlling sheeting in gas phase reactors |
| CA2583580A1 (fr) * | 2004-10-14 | 2006-04-20 | Basell Poliolefine Italia S.R.L. | Processus de polymerisation en phase gazeuse d'olefines |
| US7253239B2 (en) * | 2004-10-29 | 2007-08-07 | Westlake Longview Corporation | Method for preventing or inhibiting fouling in a gas-phase polyolefin polymerization process |
| EP2089151B1 (fr) * | 2006-10-31 | 2016-05-25 | Basf Se | Contrôle d'un procédé de fabrication de particules polymères absorbant l'eau dans une phase gazeuse chauffée |
| ES2401040T3 (es) * | 2007-08-16 | 2013-04-16 | Univation Technologies, Llc | Aditivos de continuidad y su uso en procesos de polimerización |
| RU2475501C2 (ru) * | 2007-09-19 | 2013-02-20 | Базелль Полиолефин Италия С.Р.Л. | Многостадийный способ полимеризации олефинов |
| CN101903420B (zh) * | 2007-12-18 | 2012-09-19 | 巴塞尔聚烯烃股份有限公司 | α-烯烃聚合的气相方法 |
| EP2172262A1 (fr) * | 2008-10-03 | 2010-04-07 | Ineos Europe Limited | Procédé |
| WO2010080871A1 (fr) | 2009-01-08 | 2010-07-15 | Univation Technologies, Llc | Additif pour procédés de polymérisation en phase gazeuse |
| US20110256632A1 (en) | 2009-01-08 | 2011-10-20 | Univation Technologies, Llc | Additive for Polyolefin Polymerization Processes |
| CN102030841B (zh) * | 2009-09-29 | 2012-07-04 | 中国石油化工股份有限公司 | 一种丙烯气相聚合方法 |
| WO2012087560A1 (fr) | 2010-12-22 | 2012-06-28 | Univation Technologies, Llc | Additif pour procédés de polymérisation de polyoléfines |
| EP2495038B1 (fr) * | 2011-03-02 | 2020-09-02 | Borealis AG | Procédé pour la production des polymères |
| EP2610269A1 (fr) | 2011-12-28 | 2013-07-03 | Saudi Basic Industries Corporation | Composition de catalyseur et son procédé de préparation |
| KR102259574B1 (ko) * | 2013-11-29 | 2021-06-02 | 사우디 베이식 인더스트리즈 코포레이션 | 반응기에서 올레핀 단량체의 연속 중합 방법 |
| WO2015078815A1 (fr) * | 2013-11-29 | 2015-06-04 | Saudi Basic Industries Corporation | Procédé pour la polymérisation continue de monomères d'oléfines dans un réacteur |
| JP2016539234A (ja) | 2013-12-09 | 2016-12-15 | ユニベーション・テクノロジーズ・エルエルシー | 重合プロセスへの重合添加剤の供給 |
| US10179826B2 (en) * | 2017-05-05 | 2019-01-15 | Chevron Phillips Chemical Company Lp | Polymerization catalyst delivery |
| CN113698513B (zh) * | 2020-05-21 | 2023-09-15 | 中国石油化工股份有限公司 | 一种催化剂的配制方法及其应用 |
| KR102513518B1 (ko) | 2020-12-23 | 2023-03-22 | 디엘케미칼 주식회사 | 메탈로센 올레핀 중합 공정용 대전방지제를 이용한 올레핀 중합 방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US370985A (en) * | 1887-10-04 | stimpsof | ||
| US3709853A (en) * | 1971-04-29 | 1973-01-09 | Union Carbide Corp | Polymerization of ethylene using supported bis-(cyclopentadienyl)chromium(ii)catalysts |
| US5034479A (en) * | 1987-10-22 | 1991-07-23 | Union Carbide Chemicals And Plastics Technology Corporation | Process for reducing sheeting during polymerization of alpha-olefins |
| ATE63925T1 (de) * | 1987-10-22 | 1991-06-15 | Union Carbide Corp | Verfahren zum vermindern des zusammenbackens waehrend einer alpha-olefinpolymerisation. |
| FR2659338B1 (fr) * | 1990-03-09 | 1993-05-07 | Bp Chemicals Snc | Procedes et dispositifs de polymerisation catalytique d'alpha-olefines en phase gazeuse. |
| US5187247A (en) * | 1990-06-26 | 1993-02-16 | Union Carbide Chemicals & Plastics Technology Corporation | Process for making elastomeric ethylene-alpha-olefin polymers with stage-modified vanadium catalyst |
| TW203062B (fr) * | 1990-11-15 | 1993-04-01 | Sumitomo Chemical Co | |
| IT1254279B (it) * | 1992-03-13 | 1995-09-14 | Montecatini Tecnologie Srl | Procedimento per la polimerizzazione in fase gas delle olefine |
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