BR9805747A - Processo de polimerização em fase gasosa contínuo, e, uso de um veneno de catalisador - Google Patents
Processo de polimerização em fase gasosa contínuo, e, uso de um veneno de catalisadorInfo
- Publication number
- BR9805747A BR9805747A BR9805747-2A BR9805747A BR9805747A BR 9805747 A BR9805747 A BR 9805747A BR 9805747 A BR9805747 A BR 9805747A BR 9805747 A BR9805747 A BR 9805747A
- Authority
- BR
- Brazil
- Prior art keywords
- polymerization process
- polymerization
- gas phase
- gas
- catalyst
- Prior art date
Links
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
- C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
- C08F2/005—Scale prevention in a polymerisation reactor or its auxiliary parts by addition of a scale inhibitor to the polymerisation medium
-
- 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
-
- 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
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
- C08F2/40—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation using retarding agents
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
"PROCESSO DE POLIMERIZAçãO EM FASE GASOSA CONTìNUO, E, USO DE UM VENENO DE CATALISADOR". Em um processo de polimerização em fase gasosa contínuo para preparar homopolímeros e copolímeros de etileno e propeno, no qual etileno, propeno ou uma mistura de etileno ou propeno e <244>-monoolefinas C~ 3~-C~ 8~ é polimerizada na zona de polimerização de um reator de polimerização em fase gasosa em de 30 a 125°C e em uma pressão de 1 a 100 bar na fase gasosa em um leito de polímero finamente dividido na presença de um catalisador, <MU>caracterizado<MV> pelo fato de que o gás do reator é circulado para remover o calor da polimerização, depósitos de polímero na linha de gás circulante são evitados pela dosagem de um veneno de catalisador tendo um ponto de ebulição acima da temperatura máxima dentro da linha de gás circulante ao interior desta linha de gás circulante em, no máximo, uma quantidade tal que ele não prejudique significativamente a produtividade do catalisador no reator.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19800020A DE19800020A1 (de) | 1998-01-05 | 1998-01-05 | Kontinuierliches Gasphasenpolymerisationsverfahren |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9805747A true BR9805747A (pt) | 1999-12-14 |
Family
ID=7853931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9805747-2A BR9805747A (pt) | 1998-01-05 | 1998-12-30 | Processo de polimerização em fase gasosa contínuo, e, uso de um veneno de catalisador |
Country Status (10)
Country | Link |
---|---|
US (1) | US6180729B1 (pt) |
EP (2) | EP1683814A3 (pt) |
JP (1) | JP4812917B2 (pt) |
KR (1) | KR19990066916A (pt) |
CN (1) | CN1182159C (pt) |
AT (1) | ATE326486T1 (pt) |
AU (1) | AU1004199A (pt) |
BR (1) | BR9805747A (pt) |
DE (2) | DE19800020A1 (pt) |
ES (1) | ES2265656T3 (pt) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10006900A1 (de) * | 2000-02-16 | 2001-08-23 | Basell Polyolefine Gmbh | Verfahren zur radikalischen Ethylen-Hochdruckpolymerisation unter Vermeidung unerwünschter Polymerablagerungen |
DE10156202A1 (de) * | 2001-11-15 | 2003-06-05 | Basell Polyolefine Gmbh | Kontinuierliches Gasphasenpolymerisationsverfahren |
EP1348719B2 (en) * | 2002-03-25 | 2010-11-17 | Mitsui Chemicals, Inc. | Process for producing polyolefin |
US6914104B2 (en) * | 2002-04-19 | 2005-07-05 | Sumitomo Chemical Company, Limited | Process for polymerization of α-olefin |
CN1310969C (zh) * | 2004-09-16 | 2007-04-18 | 中国石油化工股份有限公司 | 一种烯烃的聚合方法 |
KR100708432B1 (ko) * | 2007-01-19 | 2007-04-18 | 태형전기(주) | 지중매설방식의 송배전기 |
WO2008121187A1 (en) | 2007-03-30 | 2008-10-09 | Univation Technologies, Llc | Systems and methods for fabricating polyolefins |
US7528222B1 (en) | 2008-01-15 | 2009-05-05 | Exxonmobil Chemical Patents Inc. | Olefin polymerization process |
EP2294095B1 (en) * | 2008-06-26 | 2013-03-20 | Basf Corporation | Process for the production of an alpha-olefin polymer |
CA2739969C (en) | 2011-05-11 | 2018-08-21 | Nova Chemicals Corporation | Improving reactor operability in a gas phase polymerization process |
US9321859B2 (en) | 2011-06-09 | 2016-04-26 | Nova Chemicals (International) S.A. | Modified phosphinimine catalysts for olefin polymerization |
US9221935B2 (en) | 2011-06-09 | 2015-12-29 | Nova Chemicals (International) S.A. | Modified phosphinimine catalysts for olefin polymerization |
US9127106B2 (en) | 2011-06-09 | 2015-09-08 | Nova Chemicals (International) S.A. | Modified phosphinimine catalysts for olefin polymerization |
CA2742454C (en) | 2011-06-09 | 2018-06-12 | Nova Chemicals Corporation | Methods for controlling ethylene copolymer properties |
CA2742461C (en) | 2011-06-09 | 2018-06-12 | Nova Chemicals Corporation | Modified phosphinimine catalysts for olefin polymerization |
US9243092B2 (en) | 2011-06-09 | 2016-01-26 | Nova Chemicals (International) S.A. | Modified phosphinimine catalysts for olefin polymerization |
US9127094B2 (en) | 2011-06-09 | 2015-09-08 | Nova Chemicals (International) S.A. | Modified phosphinimine catalysts for olefin polymerization |
US9315591B2 (en) | 2011-06-09 | 2016-04-19 | Nova Chemicals (International) S.A. | Modified phosphinimine catalysts for olefin polymerization |
US10358509B2 (en) | 2015-03-25 | 2019-07-23 | Basell Polyolefine Gmbh | Continuous gas-phase polymerization processes |
CA2900772C (en) | 2015-08-20 | 2022-07-12 | Nova Chemicals Corporation | Method for altering melt flow ratio of ethylene polymers |
TW201800424A (zh) | 2016-02-18 | 2018-01-01 | 努發化工(國際)公司 | 溶液聚合法 |
CN109937213B (zh) * | 2016-09-08 | 2021-03-02 | Sabic环球技术有限责任公司 | 通过不连续添加热失控减少剂制备聚烯烃的方法 |
US11352375B2 (en) | 2018-12-28 | 2022-06-07 | Braskem S.A. | Auxiliaries for olefin polymerization process |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DZ520A1 (fr) | 1982-03-24 | 2004-09-13 | Union Carbide Corp | Procédé perfectionné pour accroitre le rendement espace temps d'une réaction de polymérisation exothermique en lit fluidisé. |
DE3544915A1 (de) | 1985-12-19 | 1987-06-25 | Basf Ag | Dosiervorrichtung zum regelbaren einbringen von rieselfaehigen, pulverfoermigen stoffen in unter druck stehende raeume |
FR2618786B1 (fr) | 1987-07-31 | 1989-12-01 | Bp Chimie Sa | Procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise |
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 |
FR2640978B1 (pt) | 1988-12-22 | 1991-04-19 | Bp Chimie Sa | |
US5037905A (en) * | 1989-12-07 | 1991-08-06 | Union Carbide Chemicals And Plastics Technology Corporation | Process for reducing polymer build-up in heat exchangers during polymerization of alpha-olefins |
US5118757A (en) * | 1990-03-26 | 1992-06-02 | Shell Oil Company | Polymer production |
FR2665704B1 (fr) | 1990-08-07 | 1994-04-08 | Bp Chemicals Snc | Procede pour arreter une reaction de (co-)polymerisation effectuee a l'aide d'un catalyseur a base d'oxyde de chrome. |
FR2666338B1 (fr) | 1990-08-31 | 1994-04-08 | Bp Chemicals Snc | Procede regule de polymerisation d'olefine en phase gazeuse effectue a l'aide d'un catalyseur a base d'oxyde de chrome. |
DE4217171A1 (de) | 1992-05-23 | 1993-11-25 | Basf Ag | Kontinuierliches Gasphasenwirbelschichtverfahren zur Herstellung von Ethylenhomopolymerisaten und -copolymerisaten |
US5200502A (en) * | 1992-08-26 | 1993-04-06 | Union Carbide Chemicals & Plastics Technology Corporation | Deactivator reagent for olefin polymerization catalysts |
DE4325824A1 (de) | 1993-07-31 | 1995-02-02 | Basf Ag | Verfahren zur Herstellung von Homopolymerisaten des Ethylens oder Copolymerisaten des Ethylens |
US5625012A (en) * | 1994-06-29 | 1997-04-29 | Union Carbide Chemicals & Plastics Technology Corporation | Process for reducing polymer build-up in recycle lines and heat exchangers during polymerization of alpha olefins |
CZ170897A3 (en) * | 1996-06-06 | 1997-12-17 | Union Carbide Chem Plastic | Control of static charge in the course of polymerization process during which metallocene catalyst is used |
-
1998
- 1998-01-05 DE DE19800020A patent/DE19800020A1/de not_active Withdrawn
- 1998-11-26 EP EP06009718A patent/EP1683814A3/de not_active Withdrawn
- 1998-11-26 DE DE59813540T patent/DE59813540D1/de not_active Expired - Lifetime
- 1998-11-26 ES ES98122407T patent/ES2265656T3/es not_active Expired - Lifetime
- 1998-11-26 EP EP98122407A patent/EP0927724B1/de not_active Expired - Lifetime
- 1998-11-26 AT AT98122407T patent/ATE326486T1/de not_active IP Right Cessation
- 1998-11-30 US US09/201,084 patent/US6180729B1/en not_active Expired - Lifetime
- 1998-12-22 JP JP36457698A patent/JP4812917B2/ja not_active Expired - Fee Related
- 1998-12-30 BR BR9805747-2A patent/BR9805747A/pt not_active Application Discontinuation
- 1998-12-30 KR KR1019980062587A patent/KR19990066916A/ko not_active Application Discontinuation
-
1999
- 1999-01-04 AU AU10041/99A patent/AU1004199A/en not_active Abandoned
- 1999-01-05 CN CNB991009010A patent/CN1182159C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4812917B2 (ja) | 2011-11-09 |
JPH11246608A (ja) | 1999-09-14 |
EP0927724B1 (de) | 2006-05-17 |
ES2265656T3 (es) | 2007-02-16 |
KR19990066916A (ko) | 1999-08-16 |
AU1004199A (en) | 1999-07-22 |
ATE326486T1 (de) | 2006-06-15 |
DE19800020A1 (de) | 1999-07-08 |
US6180729B1 (en) | 2001-01-30 |
CN1182159C (zh) | 2004-12-29 |
DE59813540D1 (de) | 2006-06-22 |
EP0927724A1 (de) | 1999-07-07 |
EP1683814A2 (de) | 2006-07-26 |
CN1227848A (zh) | 1999-09-08 |
EP1683814A3 (de) | 2008-10-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA10 | Dismissal: dismissal - article 33 of industrial property law | ||
B11Y | Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette] |