PT98586A - Processo para interromper uma reaccao de polimerizacao de olefinas (s) em fase gasosa - Google Patents
Processo para interromper uma reaccao de polimerizacao de olefinas (s) em fase gasosa Download PDFInfo
- Publication number
- PT98586A PT98586A PT98586A PT9858691A PT98586A PT 98586 A PT98586 A PT 98586A PT 98586 A PT98586 A PT 98586A PT 9858691 A PT9858691 A PT 9858691A PT 98586 A PT98586 A PT 98586A
- Authority
- PT
- Portugal
- Prior art keywords
- process according
- reactor
- agent
- catalyst
- amount
- Prior art date
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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
-
- 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
- C08F10/02—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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (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)
- Glass Compositions (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Materials For Medical Uses (AREA)
- Dental Preparations (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Claims (1)
- REIVINDICAÇÕES la. - Processo para interromper uma reacção de polimerização de olefina(s) em fase gasosa num reactor em fase gasosa de baixa pressão, que compreende a introdução duma quantidade eficaz de um agente de desactivação dentro do reactor, caracterizado pelo facto de se realizar a polimerização das olefinas utilizando um catalizador de óxido de crómio, se escolher o agente de desactivação do grupo formado por oxigénio, amoníaco, água e monóxido de carbono e a sua introdução no reactor se realizar durante um intervalo de tempo relativamente curto. 2a. - Processo de acordo com a reivindicação 1, caracterizado pelo facto de a quantidade de agente de desactivação introduzida estar compreendida entre cerca de 1 a 20 vezes a quantidade minima necessária para interromper a polimerização da(s) olefina(s). 3a. - Processo de acordo com a reivindicação 1, caracterizado pelo facto de a quantidade do agente de desactivação introduzida estar compreendida dentro do intervalo de 2 a 3 vezes a quantidade minima necessária para interromper a polimerização da(s) olefina(s). 4a. - Processo de acordo com a reivindicação 1, caracterizado pelo facto de o agente de desactivação ser • 21oxigénio e ser introduzido numa quantidade compreendida dentro dum intervalo de 2 a 80 gramas por quilograma de catalisador empregada. 5a. - Processo de acordo com a reivindicação 1, caracterizado pelo facto de o agente de desactivação ser água e ser introduzido numa quantidade compreendida dentro dum intervalo de 10 a 80 gramas por quilograma de catalisador. 6a. - Processo de acordo com a reivindicação 1, caracterizado pelo facto de o agente de desactivação ser monóxido de carbono e ser introduzido numa quantidade compreendida dentro dum intervalo de 3 a 130 gramas por quilograma de catatlizador. 7a. - Processo de acordo com qualquer das reivindicações 1 a 6, caracterizado pelo facto de se cessar a alimentação de catalisador ao reactor. 8a. - Processo de acordo com qualquer das reivindicações 1 a 7, caracterizado pelo facto de se cessar a alimentação de olefina(s) ao reactor. 9a. - Processo de acordo com qualquer das reivindicações 1 a 8, caracterizado pelo facto de se interromper a introdução dum composto organometálico no reactor. 10a. - Processo de acordo com qualquer das reivindicações 1 a 9, caracterizado pelo facto de a introdução do agente de desactivação no reactor se realizar durante um intervalo de tempo mais curto do que 5 minutos.11a. - Processo de acordo com qualquer das reivindicações 1 a 10, caracterizado pelo facto de o reactor empregado ser um reactor em leito fluidizado. 12a. - Processo de acordo com a reivindicação 11, caracterizado pelo facto de o catalizador ter a forma de um pré-polimero. Lisboa, 6 de Dezembro de 1991 O Agente Oficial da Propriedade IndustrialAMÉRICt H SILVA CARVALH0 Agente Oficial de Propriedade Industrial Rue Marquês de Fronteira, N.* 127*2.· lOOO LISBOA
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9010281A FR2665704B1 (fr) | 1990-08-07 | 1990-08-07 | Procede pour arreter une reaction de (co-)polymerisation effectuee a l'aide d'un catalyseur a base d'oxyde de chrome. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT98586A true PT98586A (pt) | 1992-06-30 |
| PT98586B PT98586B (pt) | 2001-05-31 |
Family
ID=9399633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT98586A PT98586B (pt) | 1990-08-07 | 1991-08-06 | Processo para interromper uma reaccao de polimerizacao de olefinas (s) em fase gasosa |
Country Status (24)
| Country | Link |
|---|---|
| EP (1) | EP0471497B2 (pt) |
| JP (1) | JP3272375B2 (pt) |
| KR (1) | KR100189208B1 (pt) |
| CN (1) | CN1030320C (pt) |
| AT (1) | ATE106902T1 (pt) |
| AU (1) | AU643050B2 (pt) |
| BG (1) | BG60056B2 (pt) |
| BR (1) | BR9103358A (pt) |
| CA (1) | CA2048032C (pt) |
| CS (1) | CS244991A3 (pt) |
| DE (1) | DE69102368T3 (pt) |
| ES (1) | ES2055544T5 (pt) |
| FI (1) | FI99228C (pt) |
| FR (1) | FR2665704B1 (pt) |
| HU (1) | HUT59703A (pt) |
| MX (1) | MX9100539A (pt) |
| MY (1) | MY109659A (pt) |
| NO (1) | NO178152C (pt) |
| NZ (1) | NZ239261A (pt) |
| PL (1) | PL291341A1 (pt) |
| PT (1) | PT98586B (pt) |
| TW (1) | TW200494B (pt) |
| YU (1) | YU135791A (pt) |
| ZA (1) | ZA915809B (pt) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5270408A (en) * | 1992-01-29 | 1993-12-14 | Union Carbide Chemicals & Plastics Technology Corporation | Method and apparatus for stopping reaction in a gas phase polymerization reactor system |
| JP3216928B2 (ja) * | 1992-12-29 | 2001-10-09 | 日本石油化学株式会社 | 気相重合反応系の乾燥方法 |
| EP0604990B1 (en) * | 1992-12-29 | 1997-06-11 | Nippon Petrochemicals Co., Ltd. | Method for vapor phase polymerization of alpha-olefin |
| DE69320163T2 (de) * | 1992-12-29 | 1999-04-22 | Nippon Petrochemicals Co., Ltd., Tokio/Tokyo | Verfahren zum Betreiben eines Olefinpolymerisationreaktors |
| EP0605002B1 (en) * | 1992-12-30 | 2000-08-02 | Nippon Petrochemicals Co., Ltd. | Method of vapor phase polymerization of olefins |
| US5371053A (en) * | 1993-05-18 | 1994-12-06 | Exxon Chemical Patents Inc. | Process for deactivating Ziegler-Natta and metallocene catalysts |
| EP0863922B1 (en) * | 1995-12-01 | 2004-09-15 | Chevron Phillips Chemical Company LP | Polymerization processes |
| NO301331B1 (no) * | 1996-03-05 | 1997-10-13 | Borealis As | Fremgangsmåte for skifting av katalysator ved suspensjonspolymerisasjon av olefiner |
| US5731381A (en) * | 1996-11-01 | 1998-03-24 | Union Carbide Chemicals & Plastics Technology Corporation | Termination of gas phase polymerizations of conjugated dienes, vinyl-substituted aromatic compounds and mixtures thereof |
| ZA986048B (en) * | 1997-09-12 | 1999-02-01 | Union Carbide Chem Plastic | A process for the preparation of polyethylene |
| DE19800020A1 (de) | 1998-01-05 | 1999-07-08 | Basf Ag | Kontinuierliches Gasphasenpolymerisationsverfahren |
| EP1153934A1 (en) * | 2000-05-09 | 2001-11-14 | BP Chemicals S.N.C. | Method for deactivating a polymerisation reaction |
| JP4610130B2 (ja) * | 2000-07-07 | 2011-01-12 | 日本ポリオレフィン株式会社 | エチレン系重合体およびその製造方法 |
| EP1207170A1 (en) * | 2000-11-20 | 2002-05-22 | BP Chemicals S.N.C. | Process for the continuous gas-phase (co-)polymerisation of olefins in a fluidised bed reactor |
| DE10156202A1 (de) | 2001-11-15 | 2003-06-05 | Basell Polyolefine Gmbh | Kontinuierliches Gasphasenpolymerisationsverfahren |
| US6841630B2 (en) * | 2002-12-31 | 2005-01-11 | Univation Technologies, Llc | Processes for transitioning between chrome-based and mixed polymerization catalysts |
| EP1840141A1 (en) * | 2006-03-31 | 2007-10-03 | Total Petrochemicals Research Feluy | Process to kill a catalysed olefin polymerization |
| EP2513165B1 (en) * | 2009-12-18 | 2015-07-22 | Total Research & Technology Feluy | Method for neutralizing polymerization catalyst |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004417B2 (en) * | 1978-03-23 | 1990-02-28 | Imperial Chemical Industries Plc | Gas-phase olefin polymerisation system and process for operating it |
| EP0136029A3 (en) * | 1983-09-01 | 1986-08-20 | Mobil Oil Corporation | Method and system for injecting a kill gas into a gas phase catalytic polymerization reactor |
| FR2646426B2 (fr) * | 1988-09-13 | 1991-08-16 | Bp Chemicals Sa | Procede et appareillage de polymerisation d'alpha-olefine en phase gazeuse en presence d'un agent ralentisseur d'activite |
-
1990
- 1990-08-07 FR FR9010281A patent/FR2665704B1/fr not_active Expired - Fee Related
-
1991
- 1991-07-24 ZA ZA915809A patent/ZA915809B/xx unknown
- 1991-08-01 BG BG094932A patent/BG60056B2/bg unknown
- 1991-08-01 CA CA002048032A patent/CA2048032C/en not_active Expired - Fee Related
- 1991-08-02 AU AU81576/91A patent/AU643050B2/en not_active Ceased
- 1991-08-05 MY MYPI91001413A patent/MY109659A/en unknown
- 1991-08-05 NZ NZ239261A patent/NZ239261A/en unknown
- 1991-08-05 BR BR919103358A patent/BR9103358A/pt unknown
- 1991-08-06 EP EP91307217A patent/EP0471497B2/en not_active Expired - Lifetime
- 1991-08-06 NO NO913062A patent/NO178152C/no not_active IP Right Cessation
- 1991-08-06 ES ES91307217T patent/ES2055544T5/es not_active Expired - Lifetime
- 1991-08-06 PL PL29134191A patent/PL291341A1/xx unknown
- 1991-08-06 JP JP19651891A patent/JP3272375B2/ja not_active Expired - Fee Related
- 1991-08-06 DE DE69102368T patent/DE69102368T3/de not_active Expired - Fee Related
- 1991-08-06 HU HU912615A patent/HUT59703A/hu unknown
- 1991-08-06 MX MX9100539A patent/MX9100539A/es unknown
- 1991-08-06 PT PT98586A patent/PT98586B/pt not_active IP Right Cessation
- 1991-08-06 AT AT91307217T patent/ATE106902T1/de not_active IP Right Cessation
- 1991-08-07 FI FI913752A patent/FI99228C/fi not_active IP Right Cessation
- 1991-08-07 CS CS912449A patent/CS244991A3/cs unknown
- 1991-08-07 KR KR1019910013667A patent/KR100189208B1/ko not_active IP Right Cessation
- 1991-08-07 CN CN91105943A patent/CN1030320C/zh not_active Expired - Fee Related
- 1991-08-07 YU YU135791A patent/YU135791A/sh unknown
- 1991-08-07 TW TW080106232A patent/TW200494B/zh not_active IP Right Cessation
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB1A | Laying open of patent application |
Effective date: 19920214 |
|
| FG3A | Patent granted, date of granting |
Effective date: 20010223 |
|
| MM4A | Annulment/lapse due to non-payment of fees, searched and examined patent |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 20070823 |