FI104827B - Menetelmä likaantumisen ja kerrostumisen estämiseksi kaasufaasireaktoreissa - Google Patents
Menetelmä likaantumisen ja kerrostumisen estämiseksi kaasufaasireaktoreissa Download PDFInfo
- Publication number
- FI104827B FI104827B FI951779A FI951779A FI104827B FI 104827 B FI104827 B FI 104827B FI 951779 A FI951779 A FI 951779A FI 951779 A FI951779 A FI 951779A FI 104827 B FI104827 B FI 104827B
- Authority
- FI
- Finland
- Prior art keywords
- reactor
- gas phase
- antistatic agent
- loop reactor
- process according
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008030 elimination Effects 0.000 title 1
- 238000003379 elimination reaction Methods 0.000 title 1
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 23
- 239000002216 antistatic agent Substances 0.000 claims description 45
- -1 aliphatic primary amine Chemical class 0.000 claims description 27
- 239000003054 catalyst Substances 0.000 claims description 21
- 239000003085 diluting agent Substances 0.000 claims description 21
- 238000000151 deposition Methods 0.000 claims description 17
- 230000008021 deposition Effects 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 229920001577 copolymer Polymers 0.000 claims description 12
- 229920000768 polyamine Polymers 0.000 claims description 9
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims description 5
- 239000004711 α-olefin Substances 0.000 claims description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 3
- YGSDEFSMJLZEOE-UHFFFAOYSA-N Salicylic acid Natural products OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 3
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 3
- 229960004889 salicylic acid Drugs 0.000 claims description 3
- 239000008096 xylene Substances 0.000 claims description 3
- VJOWMORERYNYON-UHFFFAOYSA-N 5-ethenyl-2-methylpyridine Chemical compound CC1=CC=C(C=C)C=N1 VJOWMORERYNYON-UHFFFAOYSA-N 0.000 claims description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 2
- 150000004985 diamines Chemical class 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims 1
- 239000000178 monomer Substances 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 230000003449 preventive effect Effects 0.000 abstract 3
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 49
- 239000012071 phase Substances 0.000 description 48
- 229920000642 polymer Polymers 0.000 description 34
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 30
- 239000005977 Ethylene Substances 0.000 description 30
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 26
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 13
- 239000001257 hydrogen Substances 0.000 description 13
- 229910052739 hydrogen Inorganic materials 0.000 description 13
- 239000001294 propane Substances 0.000 description 13
- 229910052719 titanium Inorganic materials 0.000 description 13
- 239000010936 titanium Substances 0.000 description 13
- 239000004698 Polyethylene Substances 0.000 description 12
- 239000002519 antifouling agent Substances 0.000 description 12
- 229920000573 polyethylene Polymers 0.000 description 12
- 230000005611 electricity Effects 0.000 description 9
- 230000003068 static effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000002685 polymerization catalyst Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 101100023124 Schizosaccharomyces pombe (strain 972 / ATCC 24843) mfr2 gene Proteins 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1-dodecene Chemical compound CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 2
- GQEZCXVZFLOKMC-UHFFFAOYSA-N 1-hexadecene Chemical compound CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 2
- HFDVRLIODXPAHB-UHFFFAOYSA-N 1-tetradecene Chemical compound CCCCCCCCCCCCC=C HFDVRLIODXPAHB-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 150000001844 chromium Chemical class 0.000 description 2
- VAMFXQBUQXONLZ-UHFFFAOYSA-N icos-1-ene Chemical compound CCCCCCCCCCCCCCCCCCC=C VAMFXQBUQXONLZ-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012968 metallocene catalyst Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 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
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 229940069096 dodecene Drugs 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011953 free-radical catalyst Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 201000006747 infectious mononucleosis Diseases 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229940068041 phytic acid Drugs 0.000 description 1
- 235000002949 phytic acid Nutrition 0.000 description 1
- 239000000467 phytic acid Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229940095068 tetradecene Drugs 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical group FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 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
- 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
-
- 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
- B01J8/18—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
-
- 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
-
- 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
- B01J2208/00734—Controlling static charge
-
- 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
-
- 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
- Y10S526/904—Monomer polymerized in presence of transition metal containing catalyst at least part of which is supported on a polymer, e.g. prepolymerized catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI951779A FI104827B (fi) | 1995-04-12 | 1995-04-12 | Menetelmä likaantumisen ja kerrostumisen estämiseksi kaasufaasireaktoreissa |
| CN96193863A CN1101408C (zh) | 1995-04-12 | 1996-04-10 | 防止气相反应器中结垢和结片的方法 |
| DE69606526T DE69606526T2 (de) | 1995-04-12 | 1996-04-10 | Verfahren zur verhinderung von belagbildung und verfaulen in gasphasenreaktoren |
| KR1019970707157A KR100415699B1 (ko) | 1995-04-12 | 1996-04-10 | 기상반응기에서의오염및시이팅방지방법 |
| BR9604903A BR9604903A (pt) | 1995-04-12 | 1996-04-10 | Método para evitar a obstruçao ou formaçao de láminas em reatores de fase de gás |
| PCT/FI1996/000189 WO1996032420A1 (en) | 1995-04-12 | 1996-04-10 | Method for preventing fouling and sheeting in gas phase reactors |
| AT96910040T ATE189463T1 (de) | 1995-04-12 | 1996-04-10 | Verfahren zur verhinderung von belagbildung und verfaulen in gasphasenreaktoren |
| AU53360/96A AU706943B2 (en) | 1995-04-12 | 1996-04-10 | Method for preventing fouling and sheeting in gas phase reactors |
| EP96910040A EP0820474B1 (en) | 1995-04-12 | 1996-04-10 | Method for preventing fouling and sheeting in gas phase reactors |
| CA002218050A CA2218050A1 (en) | 1995-04-12 | 1996-04-10 | Method for preventing fouling and sheeting in gas phase reactors |
| ES96910040T ES2142056T3 (es) | 1995-04-12 | 1996-04-10 | Metodo para evitar la formacion de suciedad y revestimientos en reactores en fase gaseosa. |
| JP53074396A JP3706973B2 (ja) | 1995-04-12 | 1996-04-10 | 気相反応器における汚損および分出しの防止方法 |
| US08/945,225 US6096837A (en) | 1995-04-12 | 1996-04-10 | Method for preventing fouling and sheeting in gas phase reactors |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI951779A FI104827B (fi) | 1995-04-12 | 1995-04-12 | Menetelmä likaantumisen ja kerrostumisen estämiseksi kaasufaasireaktoreissa |
| FI951779 | 1995-04-12 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI951779A0 FI951779A0 (fi) | 1995-04-12 |
| FI951779A FI951779A (fi) | 1996-10-13 |
| FI104827B true FI104827B (fi) | 2000-04-14 |
Family
ID=8543240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI951779A FI104827B (fi) | 1995-04-12 | 1995-04-12 | Menetelmä likaantumisen ja kerrostumisen estämiseksi kaasufaasireaktoreissa |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6096837A (es) |
| EP (1) | EP0820474B1 (es) |
| JP (1) | JP3706973B2 (es) |
| KR (1) | KR100415699B1 (es) |
| CN (1) | CN1101408C (es) |
| AT (1) | ATE189463T1 (es) |
| AU (1) | AU706943B2 (es) |
| BR (1) | BR9604903A (es) |
| CA (1) | CA2218050A1 (es) |
| DE (1) | DE69606526T2 (es) |
| ES (1) | ES2142056T3 (es) |
| FI (1) | FI104827B (es) |
| WO (1) | WO1996032420A1 (es) |
Families Citing this family (73)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19615953A1 (de) * | 1996-04-22 | 1997-10-23 | Basf Ag | Verfahren zur Herstellung von Polymerisaten von Alk-1-enen in Gegenwart eines geträgerten Metallocenkatalysatorsystems und eines Antistatikums |
| WO1998020045A1 (en) * | 1996-11-01 | 1998-05-14 | Union Carbide Chemicals & Plastics Technology Corporation | Reduction of fouling in olefin polymerization systems |
| FI981034A (fi) * | 1998-05-08 | 1999-11-09 | Borealis Polymers Oy | HD-polyeteenikoostumukset ja menetelmä niiden valmistamiseksi |
| US7354880B2 (en) | 1998-07-10 | 2008-04-08 | Univation Technologies, Llc | Catalyst composition and methods for its preparation and use in a polymerization process |
| US6180735B1 (en) | 1998-12-17 | 2001-01-30 | Univation Technologies | Catalyst composition and methods for its preparation and use in a polymerization process |
| FI991015A0 (fi) * | 1999-05-04 | 1999-05-04 | Borealis As | Menetelmä alfa-olefiinipolymeerien valmistamiseksi |
| DE60013819T2 (de) * | 1999-05-07 | 2005-01-27 | Bp Chemicals Ltd. | Verfahren zur gasphasen (co-)polymerisation von olefinen in einem fliessbettreaktor |
| WO2001018066A1 (en) * | 1999-09-09 | 2001-03-15 | Bp Chemicals Limited | Process for the continuous gas-phase (co-)polymerisation of olefins in a fluidised bed reactor |
| EP1218418A1 (en) * | 1999-09-09 | 2002-07-03 | BP Chemicals Limited | Process for the continuous gas-phase (co-)polymerisation of olefins in a fluidised bed reactor |
| US6713573B2 (en) | 2000-11-30 | 2004-03-30 | Univation Technologies, Llc | Catalyst modifiers and their use in the polymerization of olefin(s) |
| US20050148742A1 (en) * | 2004-01-02 | 2005-07-07 | Hagerty Robert O. | Method for controlling sheeting in gas phase reactors |
| US8034231B2 (en) * | 2008-02-20 | 2011-10-11 | Baker Hughes Incorporated | Method for reducing hydrogen sulfide evolution from asphalt |
| ATE551369T1 (de) | 2008-11-17 | 2012-04-15 | Borealis Ag | Mehrstufiger prozess zur herstellung von polyethylen mit reduzierter gelbildung |
| EP2428526A1 (en) | 2010-09-13 | 2012-03-14 | Borealis AG | Process for producing polyethylene with improved homogeneity |
| EP2570455A1 (en) | 2011-09-16 | 2013-03-20 | Borealis AG | Polyethylene composition with broad molecular weight distribution and improved homogeneity |
| EP2599828A1 (en) | 2011-12-01 | 2013-06-05 | Borealis AG | Multimodal polyethylene composition for the production of pipes with improved slow crack growth resistance |
| EP2740761B1 (en) | 2012-12-05 | 2016-10-19 | Borealis AG | Polyethylene composition with improved balance of slow crack growth resistance, impact performance and pipe pressure resistance for pipe applications |
| EP2860201A1 (en) | 2013-10-10 | 2015-04-15 | Borealis AG | High temperature resistant polyethylene and process for the production thereof |
| EP2860204B1 (en) | 2013-10-10 | 2018-08-01 | Borealis AG | Polyethylene composition for pipe applications |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1443074A (en) * | 1974-01-14 | 1976-07-21 | Ici Ltd | Olefin polymerisation process |
| JPS5830323B2 (ja) * | 1974-08-12 | 1983-06-28 | 昭和電工株式会社 | オレフインノ ジユウゴウホウホウ |
| US3995097A (en) * | 1975-09-15 | 1976-11-30 | Phillips Petroleum Company | Prevention of fouling in polymerization reactors |
| US4068054A (en) * | 1976-08-02 | 1978-01-10 | Phillips Petroleum Company | Prevention of fouling in polymerization reactors and antistatic agents |
| US4182810A (en) * | 1978-04-21 | 1980-01-08 | Phillips Petroleum Company | Prevention of fouling in polymerization reactors |
| US4259087A (en) * | 1978-12-15 | 1981-03-31 | Petrolite Corporation | Antistats containing acrylonitrile copolymers and polyamines |
| US4740550A (en) * | 1986-06-18 | 1988-04-26 | Shell Oil Company | Multistage copolymerization process |
| FR2660926B1 (fr) * | 1990-04-11 | 1992-07-31 | Bp Chemicals Snc | Prepolymere d'alpha-olefine contenant un metal de transition et procede de polymerisation d'alpha-olefine en phase gazeuse mettant en óoeuvre le prepolymere. |
| FI86867C (fi) * | 1990-12-28 | 1992-10-26 | Neste Oy | Flerstegsprocess foer framstaellning av polyeten |
| FI96216C (fi) * | 1994-12-16 | 1996-05-27 | Borealis Polymers Oy | Prosessi polyeteenin valmistamiseksi |
-
1995
- 1995-04-12 FI FI951779A patent/FI104827B/fi active
-
1996
- 1996-04-10 KR KR1019970707157A patent/KR100415699B1/ko not_active IP Right Cessation
- 1996-04-10 CN CN96193863A patent/CN1101408C/zh not_active Expired - Lifetime
- 1996-04-10 WO PCT/FI1996/000189 patent/WO1996032420A1/en active IP Right Grant
- 1996-04-10 CA CA002218050A patent/CA2218050A1/en not_active Abandoned
- 1996-04-10 JP JP53074396A patent/JP3706973B2/ja not_active Expired - Fee Related
- 1996-04-10 ES ES96910040T patent/ES2142056T3/es not_active Expired - Lifetime
- 1996-04-10 AT AT96910040T patent/ATE189463T1/de not_active IP Right Cessation
- 1996-04-10 US US08/945,225 patent/US6096837A/en not_active Expired - Lifetime
- 1996-04-10 BR BR9604903A patent/BR9604903A/pt not_active IP Right Cessation
- 1996-04-10 EP EP96910040A patent/EP0820474B1/en not_active Expired - Lifetime
- 1996-04-10 DE DE69606526T patent/DE69606526T2/de not_active Expired - Lifetime
- 1996-04-10 AU AU53360/96A patent/AU706943B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| JP3706973B2 (ja) | 2005-10-19 |
| FI951779A (fi) | 1996-10-13 |
| WO1996032420A1 (en) | 1996-10-17 |
| US6096837A (en) | 2000-08-01 |
| FI951779A0 (fi) | 1995-04-12 |
| AU706943B2 (en) | 1999-07-01 |
| EP0820474B1 (en) | 2000-02-02 |
| DE69606526T2 (de) | 2000-06-21 |
| ATE189463T1 (de) | 2000-02-15 |
| KR19980703757A (ko) | 1998-12-05 |
| KR100415699B1 (ko) | 2004-06-18 |
| JPH11503479A (ja) | 1999-03-26 |
| BR9604903A (pt) | 1998-07-21 |
| CN1184486A (zh) | 1998-06-10 |
| CA2218050A1 (en) | 1996-10-17 |
| EP0820474A1 (en) | 1998-01-28 |
| AU5336096A (en) | 1996-10-30 |
| CN1101408C (zh) | 2003-02-12 |
| ES2142056T3 (es) | 2000-04-01 |
| DE69606526D1 (de) | 2000-03-09 |
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