HU197680B - Continuous fluidized-bed process for polymerizing alpha-olefin monomers - Google Patents
Continuous fluidized-bed process for polymerizing alpha-olefin monomers Download PDFInfo
- Publication number
- HU197680B HU197680B HU83983A HU98383A HU197680B HU 197680 B HU197680 B HU 197680B HU 83983 A HU83983 A HU 83983A HU 98383 A HU98383 A HU 98383A HU 197680 B HU197680 B HU 197680B
- Authority
- HU
- Hungary
- Prior art keywords
- reactor
- liquid
- gas
- bed
- fluidized bed
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000008569 process Effects 0.000 title claims abstract description 39
- 239000000178 monomer Substances 0.000 title claims description 25
- 239000004711 α-olefin Substances 0.000 title claims description 10
- 230000000379 polymerizing effect Effects 0.000 title 1
- 229920000642 polymer Polymers 0.000 claims abstract description 36
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 63
- 239000000203 mixture Substances 0.000 claims description 18
- 238000009826 distribution Methods 0.000 claims description 12
- 239000007791 liquid phase Substances 0.000 claims description 7
- 239000012071 phase Substances 0.000 claims description 7
- 239000012455 biphasic mixture Substances 0.000 claims 12
- 125000004432 carbon atom Chemical group C* 0.000 claims 1
- 238000010924 continuous production Methods 0.000 claims 1
- 229930195734 saturated hydrocarbon Natural products 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 79
- 239000003054 catalyst Substances 0.000 description 34
- 238000006243 chemical reaction Methods 0.000 description 28
- 239000000047 product Substances 0.000 description 22
- 239000002245 particle Substances 0.000 description 20
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 19
- 229920005989 resin Polymers 0.000 description 17
- 239000011347 resin Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Substances C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 11
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 10
- 239000005977 Ethylene Substances 0.000 description 10
- 230000002051 biphasic effect Effects 0.000 description 9
- 229920001577 copolymer Polymers 0.000 description 9
- -1 polyethylene Polymers 0.000 description 8
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 7
- 238000005243 fluidization Methods 0.000 description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 7
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 6
- 239000012190 activator Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 229920001038 ethylene copolymer Polymers 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- ORYGRKHDLWYTKX-UHFFFAOYSA-N trihexylalumane Chemical compound CCCCCC[Al](CCCCCC)CCCCCC ORYGRKHDLWYTKX-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 3
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical class CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 229910001629 magnesium chloride Inorganic materials 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 3
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 235000013844 butane Nutrition 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- WDYVUKGVKRZQNM-UHFFFAOYSA-N 6-phosphonohexylphosphonic acid Chemical compound OP(O)(=O)CCCCCCP(O)(O)=O WDYVUKGVKRZQNM-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N dimethylmethane Natural products CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000002086 displacement chromatography Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- IIVRPCKARSLIPP-UHFFFAOYSA-N ethene;2-methylbutane Chemical compound C=C.CCC(C)C IIVRPCKARSLIPP-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical class CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 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
- C08F2/00—Processes of polymerisation
- C08F2/34—Polymerisation in gaseous state
-
- 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
- B01J8/1809—Controlling processes
-
- 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
- B01J8/1836—Heating and cooling the reactor
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
-
- 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
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00256—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles in a heat exchanger for the heat exchange medium separate from 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
- B01J2208/00274—Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
-
- 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
- B01J2208/00292—Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant solids
-
- 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
- B01J2208/00327—Controlling the temperature by direct heat exchange
- B01J2208/00336—Controlling the temperature by direct heat exchange adding a temperature modifying medium to the reactants
- B01J2208/00353—Non-cryogenic fluids
- B01J2208/00371—Non-cryogenic fluids gaseous
-
- 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
- B01J2208/00743—Feeding or discharging of solids
- B01J2208/00761—Discharging
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Polymerisation Methods In General (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US36154782A | 1982-03-24 | 1982-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU197680B true HU197680B (en) | 1989-05-29 |
Family
ID=23422482
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU89294A HU203490B (en) | 1982-03-24 | 1983-03-23 | Method for controlling the temperature of fluidized bed at the polymer processing method of continuous fluidized-bed |
| HU83983A HU197680B (en) | 1982-03-24 | 1983-03-23 | Continuous fluidized-bed process for polymerizing alpha-olefin monomers |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU89294A HU203490B (en) | 1982-03-24 | 1983-03-23 | Method for controlling the temperature of fluidized bed at the polymer processing method of continuous fluidized-bed |
Country Status (26)
| Country | Link |
|---|---|
| EP (2) | EP0089691B1 (OSRAM) |
| JP (3) | JPH0694485B2 (OSRAM) |
| KR (1) | KR880000394B1 (OSRAM) |
| AR (1) | AR243546A1 (OSRAM) |
| AT (2) | ATE47968T1 (OSRAM) |
| AU (3) | AU1268883A (OSRAM) |
| CA (1) | CA1214000A (OSRAM) |
| CS (1) | CS257764B2 (OSRAM) |
| DE (2) | DE3380840D1 (OSRAM) |
| DZ (1) | DZ520A1 (OSRAM) |
| EG (1) | EG16311A (OSRAM) |
| ES (1) | ES8500963A1 (OSRAM) |
| FI (1) | FI76353C (OSRAM) |
| GR (1) | GR77430B (OSRAM) |
| HU (2) | HU203490B (OSRAM) |
| IE (1) | IE59795B1 (OSRAM) |
| IL (1) | IL67943A (OSRAM) |
| IN (1) | IN158241B (OSRAM) |
| MX (1) | MX161951A (OSRAM) |
| NO (1) | NO163821C (OSRAM) |
| NZ (1) | NZ203222A (OSRAM) |
| PH (1) | PH19889A (OSRAM) |
| PL (1) | PL148356B1 (OSRAM) |
| SU (1) | SU1473713A3 (OSRAM) |
| TR (1) | TR21919A (OSRAM) |
| ZA (1) | ZA83991B (OSRAM) |
Families Citing this family (163)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL75152A (en) * | 1981-03-26 | 1989-05-15 | Union Carbide Corp | Process for reducing sheeting during polymerization of alpha-olefins |
| US4557904A (en) * | 1984-03-26 | 1985-12-10 | Union Carbide Corporation | Integral reactor apparatus |
| FR2562077B1 (fr) * | 1984-03-30 | 1986-06-27 | Bp Chimie Sa | Dispositif et procede d'introduction d'une poudre a activite catalytique dans un reacteur de polymerisation a lit fluidise |
| CA1241525A (en) * | 1984-08-24 | 1988-09-06 | Larry L. Simpson | Fluidized bed polymerization reactors |
| AU576409B2 (en) * | 1984-12-31 | 1988-08-25 | Mobil Oil Corporation | Fluidized bed olefin polymerization process |
| US4666998A (en) * | 1984-12-31 | 1987-05-19 | Mobil Oil Corporation | Closed loop recycle of vent gas in polymerization process |
| DE3600611A1 (de) | 1986-01-11 | 1987-07-16 | Basf Ag | Einsatz von antistatika zur vermeidung von belagbildung bei der herstellung von ultrahochmolekularem polyethylen in gasphasenreaktoren |
| US4855370A (en) * | 1986-10-01 | 1989-08-08 | Union Carbide Corporation | Method for reducing sheeting during polymerization of alpha-olefins |
| FR2634212B1 (fr) * | 1988-07-15 | 1991-04-19 | Bp Chimie Sa | Appareillage et procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise |
| ES2077615T3 (es) * | 1989-09-11 | 1995-12-01 | Union Carbide Chem Plastic | Cauchos de etileno/propileno/etiliden-norborneno. |
| JP2703813B2 (ja) * | 1989-11-13 | 1998-01-26 | 昭和電工株式会社 | 流動層型気相重合装置のガス分散板 |
| US5436304A (en) * | 1992-03-19 | 1995-07-25 | Exxon Chemical Patents Inc. | Process for polymerizing monomers in fluidized beds |
| US5352749A (en) * | 1992-03-19 | 1994-10-04 | Exxon Chemical Patents, Inc. | Process for polymerizing monomers in fluidized beds |
| DE4241533C2 (de) * | 1992-12-10 | 1999-03-25 | Buna Sow Leuna Olefinverb Gmbh | Verfahren zur Herstellung von Polyethylen hoher Dichte |
| DE4241530C2 (de) * | 1992-12-10 | 1999-03-25 | Buna Sow Leuna Olefinverb Gmbh | Verfahren zur Herstellung von Polyethylen hoher Dichte |
| RU2125063C1 (ru) * | 1993-04-26 | 1999-01-20 | Эксон Кемикэл Пейтентс Инк. | Способ непрерывной газофазной полимеризации альфа-олефина(ов) |
| US5462999A (en) * | 1993-04-26 | 1995-10-31 | Exxon Chemical Patents Inc. | Process for polymerizing monomers in fluidized beds |
| KR100190268B1 (ko) * | 1993-04-26 | 1999-06-01 | 에인혼 해롤드 | 유동상에서 단량체를 중합시키는 방법 |
| AU701999B2 (en) * | 1993-05-20 | 1999-02-11 | Bp Chemicals Limited | Polymerisation process |
| US6001938A (en) * | 1993-05-20 | 1999-12-14 | Bp Chemicals Limited | Polymerization process |
| ZA943399B (en) * | 1993-05-20 | 1995-11-17 | Bp Chem Int Ltd | Polymerisation process |
| CN1068336C (zh) * | 1993-05-21 | 2001-07-11 | 埃克森化学专利公司 | 流化床中单体聚合方法 |
| IT1271406B (it) * | 1993-09-13 | 1997-05-28 | Spherilene Srl | Procedimento per la preparazione di polimeri dell'etilene e prodotti ottenuti |
| KR100350544B1 (ko) * | 1993-09-17 | 2003-01-24 | 비피 케미칼즈 리미티드 | 올레핀의기상중합 |
| DE4344689A1 (de) * | 1993-12-27 | 1995-06-29 | Hoechst Ag | Metallocenverbindung |
| FI96867C (fi) * | 1993-12-27 | 1996-09-10 | Borealis Polymers Oy | Leijupetireaktori |
| IT1274016B (it) * | 1994-02-21 | 1997-07-14 | Spherilene Srl | Processo per la polimerizzazione in fase gas delle a-olefine |
| US5453471B1 (en) * | 1994-08-02 | 1999-02-09 | Carbide Chemicals & Plastics T | Gas phase polymerization process |
| IT1275573B (it) * | 1995-07-20 | 1997-08-07 | Spherilene Spa | Processo ed apparecchiatura per la pomimerizzazione in fase gas delle alfa-olefine |
| US5969061A (en) * | 1995-10-16 | 1999-10-19 | Eastman Chemical Company | Suppression of fines in a fluid bed polyethylene process |
| PT813555E (pt) * | 1996-01-05 | 2000-08-31 | Bp Chem Int Ltd | Processo de polimerizacao |
| EP0814100A1 (en) * | 1996-06-21 | 1997-12-29 | Bp Chemicals S.N.C. | Polymerisation process |
| EP0803519A1 (en) | 1996-04-26 | 1997-10-29 | Bp Chemicals S.N.C. | Polymerisation process |
| DE19622207A1 (de) * | 1996-06-03 | 1997-12-04 | Hoechst Ag | Chemische Verbindung |
| EP0824115A1 (en) * | 1996-08-13 | 1998-02-18 | Bp Chemicals S.N.C. | Polymerisation process |
| EP0824116A1 (en) | 1996-08-13 | 1998-02-18 | Bp Chemicals S.N.C. | Polymerisation process |
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1987
- 1987-12-07 AU AU82140/87A patent/AU8214087A/en not_active Abandoned
-
1991
- 1991-07-02 AU AU79487/91A patent/AU7948791A/en not_active Abandoned
-
1996
- 1996-03-25 JP JP8092957A patent/JP2762071B2/ja not_active Expired - Lifetime
- 1996-03-25 JP JP8092958A patent/JP2762072B2/ja not_active Expired - Lifetime
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| Date | Code | Title | Description |
|---|---|---|---|
| HU90 | Patent valid on 900628 |