PL2185609T3 - Proces polimeryzacji w fazie gazowej - Google Patents
Proces polimeryzacji w fazie gazowejInfo
- Publication number
- PL2185609T3 PL2185609T3 PL08798379T PL08798379T PL2185609T3 PL 2185609 T3 PL2185609 T3 PL 2185609T3 PL 08798379 T PL08798379 T PL 08798379T PL 08798379 T PL08798379 T PL 08798379T PL 2185609 T3 PL2185609 T3 PL 2185609T3
- Authority
- PL
- Poland
- Prior art keywords
- gas
- polymerization process
- phase polymerization
- phase
- polymerization
- Prior art date
Links
- 238000012685 gas phase polymerization Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
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- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
- C08F4/652—Pretreating with metals or metal-containing compounds
- C08F4/656—Pretreating with metals or metal-containing compounds with silicon or compounds thereof
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
-
- 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
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- 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
- B01J8/1872—Details of the fluidised bed 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
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/04—Monomers containing three or four carbon atoms
- C08F10/06—Propene
-
- 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
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/06—Propene
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/646—Catalysts comprising at least two different metals, in metallic form or as compounds thereof, in addition to the component covered by group C08F4/64
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0201—Oxygen-containing compounds
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0201—Oxygen-containing compounds
- B01J31/0211—Oxygen-containing compounds with a metal-oxygen link
- B01J31/0212—Alkoxylates
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0272—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/12—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
- B01J31/128—Mixtures of organometallic compounds
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/12—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
- B01J31/14—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron
- B01J31/143—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron of aluminium
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
- B01J31/2213—At least two complexing oxygen atoms present in an at least bidentate or bridging ligand
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
- B01J31/2226—Anionic ligands, i.e. the overall ligand carries at least one formal negative 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/06—Propene
-
- 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
- C08F2400/00—Characteristics for processes of polymerization
- C08F2400/02—Control or adjustment of polymerization parameters
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)
- Materials Engineering (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Emergency Medicine (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US95788807P | 2007-08-24 | 2007-08-24 | |
| PCT/US2008/073877 WO2009029486A2 (en) | 2007-08-24 | 2008-08-21 | Gas-phase polymerization process |
| EP08798379.7A EP2185609B1 (en) | 2007-08-24 | 2008-08-21 | Gas-phase polymerization process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2185609T3 true PL2185609T3 (pl) | 2021-06-14 |
Family
ID=39768748
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL08798379T PL2185609T3 (pl) | 2007-08-24 | 2008-08-21 | Proces polimeryzacji w fazie gazowej |
| PL08798384T PL2185599T3 (pl) | 2007-08-24 | 2008-08-21 | Samoograniczający system katalityczny o kontrolowanym stosunku glinu do SCA i sposób |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL08798384T PL2185599T3 (pl) | 2007-08-24 | 2008-08-21 | Samoograniczający system katalityczny o kontrolowanym stosunku glinu do SCA i sposób |
Country Status (11)
| Country | Link |
|---|---|
| US (3) | US8324327B2 (pl) |
| EP (2) | EP2185609B1 (pl) |
| JP (1) | JP5576281B2 (pl) |
| KR (2) | KR101576308B1 (pl) |
| CN (3) | CN101835812B (pl) |
| BR (2) | BRPI0815290A2 (pl) |
| ES (1) | ES2711342T3 (pl) |
| MX (3) | MX2010002118A (pl) |
| PL (2) | PL2185609T3 (pl) |
| RU (1) | RU2470947C2 (pl) |
| WO (2) | WO2009029487A1 (pl) |
Families Citing this family (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101835812B (zh) | 2007-08-24 | 2013-10-02 | 陶氏环球技术有限责任公司 | 具有受控的铝和选择性控制剂之比的自限制催化剂体系和方法 |
| KR101539286B1 (ko) * | 2008-05-21 | 2015-07-29 | 릴라이언스 인더스트리즈 리미티드 | 올레핀 중합을 위한 촉매 시스템 |
| KR20160017096A (ko) | 2008-08-21 | 2016-02-15 | 더블유.알. 그레이스 앤드 캄파니-콘. | 고 용융 유동 내충격성 프로필렌 공중합체 및 방법 |
| MX2011001970A (es) | 2008-08-21 | 2011-08-12 | Dow Global Technologies Llc | Composicion de catalizador con agente de control de selectividad mezclado y metodo de polimerizacion que la usa. |
| MY159688A (en) | 2008-12-31 | 2017-01-13 | W R Grace & Co -Conn | Random propylene copolymer composition, articles and process |
| CN102325808B (zh) | 2008-12-31 | 2014-03-12 | 陶氏环球技术有限责任公司 | 包含取代的1,2-亚苯基芳族二酯内给体的前催化剂组合物及方法 |
| CN101554595B (zh) | 2009-05-18 | 2011-02-02 | 中国石油化工股份有限公司 | 一种烯烃聚合用催化剂载体及其制备方法和应用 |
| CN102712704B (zh) * | 2009-12-02 | 2015-01-07 | 陶氏环球技术有限责任公司 | 作为用于聚丙烯制造的催化剂中的内部给体的三个和四个原子桥接的二碳酸酯化合物 |
| RU2576519C2 (ru) | 2009-12-02 | 2016-03-10 | У.Р.Грейс Энд Ко.-Конн. | Дикарбонатные соединения с двумя мостиковыми атомами как внутренние доноры в катализаторах для получения полипропилена |
| EP2516489B1 (en) | 2009-12-21 | 2014-07-02 | W.R. Grace & CO. - CONN. | Gas-phase polymerization process having multiple flow regimes |
| US20120116029A1 (en) * | 2010-11-08 | 2012-05-10 | Van Egmond Jan W | Method for polymerizing polypropylene |
| US20120157645A1 (en) * | 2010-12-21 | 2012-06-21 | Linfeng Chen | Procatalyst Composition with Alkoxypropyl Ester Internal Electron Donor and Polymer From Same |
| US9382342B2 (en) | 2010-12-21 | 2016-07-05 | W. R. Grace & Co.-Conn. | Procatalyst composition with alkoxyalkyl 2-propenoate internal electron donor and polymer from same |
| US9382343B2 (en) | 2010-12-21 | 2016-07-05 | W. R. Grace & Co.-Conn. | Procatalyst composition with alkoxypropyl ester internal electron donor and polymer from same |
| US20120157295A1 (en) | 2010-12-21 | 2012-06-21 | Linfeng Chen | Process for Producing Procatalyst Composition with Alkoxyalkyl Ester Internal Electron Donor and Product |
| CN102174134B (zh) * | 2011-01-27 | 2013-07-24 | 大唐国际化工技术研究院有限公司 | 制备高熔融指数聚丙烯的催化剂组合物、制备方法和用途 |
| US10647790B2 (en) * | 2011-06-30 | 2020-05-12 | W. R. Grace & Co.-Conn. | Process for gas-phase polymerization having high bed bulk density |
| CN103044583B (zh) * | 2011-10-13 | 2015-10-28 | 中国石油化工股份有限公司 | 烯烃聚合物及其制备方法 |
| SG11201402166RA (en) * | 2011-11-15 | 2014-06-27 | Grace W R & Co | Method for polymerizing polypropylene |
| EP2607384A1 (en) | 2011-12-21 | 2013-06-26 | Basell Poliolefine Italia S.r.l. | Catalyst system for the polymerization of olefins |
| WO2014159942A1 (en) * | 2013-03-14 | 2014-10-02 | W. R. Grace & Co. - Conn. | Propylene/butene interpolymer production system and method |
| WO2015026731A1 (en) * | 2013-08-19 | 2015-02-26 | Dow Global Technologies Llc | Method for producing an ethylene based polymer in a polymerisation process using a self-limiting agent |
| TWI639626B (zh) * | 2013-09-30 | 2018-11-01 | 中國石油化工科技開發有限公司 | Catalyst composition for olefin polymerization and application thereof |
| CN105705528B (zh) * | 2013-11-15 | 2018-11-09 | 陶氏环球技术有限责任公司 | 聚烯烃组合物和产生其的方法 |
| RU2702633C1 (ru) * | 2013-11-15 | 2019-10-09 | У.Р. Грейс Энд Ко.-Конн | Полимер на основе пропилена с уменьшенной высокомолекулярной частью |
| PL3071608T3 (pl) | 2013-11-21 | 2025-09-01 | W.R. Grace & Co. - Conn. | Wytwarzanie polimerów na bazie propylenu o wysokiej zawartości komonomerów |
| WO2015081251A1 (en) | 2013-11-26 | 2015-06-04 | W. R. Grace & Co.-Conn | Producing propylene impact copolymers and products |
| CN104774281A (zh) * | 2014-01-09 | 2015-07-15 | 金成豪 | 用于烯烃聚合的催化剂组合物及其应用 |
| EP3507311A4 (en) * | 2016-08-30 | 2020-07-08 | W. R. Grace & Co. - Conn. | CATALYST SYSTEM FOR THE PRODUCTION OF POLYOLEFINS AND METHOD FOR THE PRODUCTION AND USE THEREOF |
| RU2692246C1 (ru) * | 2017-06-15 | 2019-06-24 | Индийская Нефтяная Корпорация Лимитэд | Внешний донор для полимеризации олефинов |
| CN109096424A (zh) * | 2017-06-21 | 2018-12-28 | 中国石油化工股份有限公司 | 一种用于烯烃聚合的催化剂和烯烃聚合方法 |
| CN109096418A (zh) * | 2017-06-21 | 2018-12-28 | 中国石油化工股份有限公司 | 一种用于烯烃聚合的催化剂和烯烃聚合方法 |
| CN109096421A (zh) * | 2017-06-21 | 2018-12-28 | 中国石油化工股份有限公司 | 一种用于烯烃聚合的催化剂和烯烃聚合方法 |
| CN109096417A (zh) * | 2017-06-21 | 2018-12-28 | 中国石油化工股份有限公司 | 一种用于烯烃聚合的催化剂和烯烃聚合方法 |
| CN109096420B (zh) * | 2017-06-21 | 2021-05-11 | 中国石油化工股份有限公司 | 一种用于烯烃聚合的催化剂和烯烃聚合方法 |
| WO2019155393A1 (en) * | 2018-02-07 | 2019-08-15 | Relianceindustries Limited | A ziegler-natta catalyst system with self-extinguishing properties suitable for olefin polymerization |
| CN108409896B (zh) * | 2018-04-04 | 2021-02-05 | 朴蓝聚烯烃科技发展(上海)有限公司 | 齐格勒-纳塔催化剂组合物及其应用 |
| EP3804119A2 (en) | 2018-05-28 | 2021-04-14 | Borealis AG | Devices for a photovoltaic (pv) module |
| US12404393B2 (en) | 2018-09-26 | 2025-09-02 | Borealis Ag | Propylene copolymer composition with excellent optical and mechanical properties |
| CN109517099B (zh) * | 2018-11-27 | 2021-07-30 | 山东鲁晶化工科技有限公司 | 一种外给电子体、烯烃聚合催化剂体系及其应用 |
| KR102933619B1 (ko) * | 2019-03-15 | 2026-03-03 | 더블유.알. 그레이스 앤드 캄파니-콘. | 미분이 없이 올레핀 중합체를 제조하기 위한 촉매 시스템 |
| CA3183731A1 (en) | 2020-06-29 | 2022-01-06 | Zhiru MA | Phthalate-free polypropylene homopolymer having high stiffness properties |
| JP2024531158A (ja) * | 2021-08-09 | 2024-08-29 | ダブリュー・アール・グレース・アンド・カンパニー-コーン | 沈降嵩密度が増加したポリオレフィン粒状樹脂を製造するためのプロセス |
| CN118339199A (zh) * | 2021-10-06 | 2024-07-12 | 格雷斯公司 | 用于制备聚丙烯无规共聚物的气相方法 |
| CN116228676B (zh) * | 2023-01-09 | 2026-01-30 | 上海烟草集团有限责任公司 | 一种烟草检测用流化床内气体流速的调整方法 |
| WO2025124978A1 (en) * | 2023-12-11 | 2025-06-19 | Sabic Global Technologies B.V. | Self-extinguishing catalyst system for propylene polymerization |
| WO2025259663A1 (en) | 2024-06-11 | 2025-12-18 | Dow Global Technologies Llc | Methods of producing films with improved mechanical properties |
| WO2025259662A1 (en) | 2024-06-11 | 2025-12-18 | Dow Global Technologies Llc | Methods of producing films with matte finish |
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| IT1209255B (it) * | 1980-08-13 | 1989-07-16 | Montedison Spa | Catalizzatori per la polimerizzazione di olefine. |
| DE3247919A1 (de) * | 1982-12-24 | 1984-06-28 | Basf Ag, 6700 Ludwigshafen | Verfahren zum herstellen von homo- und copolymerisaten von (alpha)-monoolefinen mittels einer ziegler-natta-katalysatorsystems |
| US4746762A (en) * | 1985-01-17 | 1988-05-24 | Mobil Oil Corporation | Upgrading light olefins in a turbulent fluidized catalyst bed reactor |
| IN168393B (pl) * | 1986-02-28 | 1991-03-23 | Shell Oil Co | |
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