IN155642B - - Google Patents
Info
- Publication number
- IN155642B IN155642B IN1446/CAL/81A IN1446CA1981A IN155642B IN 155642 B IN155642 B IN 155642B IN 1446CA1981 A IN1446CA1981 A IN 1446CA1981A IN 155642 B IN155642 B IN 155642B
- Authority
- IN
- India
- Prior art keywords
- precursor composition
- compound
- diluting
- activating
- low
- 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
- 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
-
- 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
- C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
- C08F2410/01—Additive used together with the catalyst, excluding compounds containing Al or B
-
- 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
- Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Luminescent Compositions (AREA)
- Pyrane Compounds (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/219,877 US4379758A (en) | 1980-12-24 | 1980-12-24 | Catalyst composition for polymerizing ethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN155642B true IN155642B (ref) | 1985-02-16 |
Family
ID=22821129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1446/CAL/81A IN155642B (ref) | 1980-12-24 | 1981-12-23 |
Country Status (27)
| Country | Link |
|---|---|
| US (1) | US4379758A (ref) |
| EP (1) | EP0055605B1 (ref) |
| JP (1) | JPS57131207A (ref) |
| KR (1) | KR870000215B1 (ref) |
| AT (1) | ATE12506T1 (ref) |
| AU (1) | AU545015B2 (ref) |
| BR (1) | BR8108356A (ref) |
| CA (1) | CA1173424A (ref) |
| CS (1) | CS232720B2 (ref) |
| DD (1) | DD202442A5 (ref) |
| DE (1) | DE3169765D1 (ref) |
| DK (1) | DK161650C (ref) |
| EG (1) | EG15689A (ref) |
| ES (2) | ES508324A0 (ref) |
| FI (1) | FI70418C (ref) |
| GR (1) | GR77631B (ref) |
| HU (1) | HU185489B (ref) |
| IE (1) | IE52619B1 (ref) |
| IL (1) | IL64514A (ref) |
| IN (1) | IN155642B (ref) |
| MA (1) | MA19356A1 (ref) |
| NO (1) | NO160084C (ref) |
| NZ (1) | NZ199249A (ref) |
| PH (1) | PH17075A (ref) |
| PL (2) | PL135930B1 (ref) |
| TR (1) | TR21811A (ref) |
| ZA (1) | ZA818699B (ref) |
Families Citing this family (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL71357A (en) * | 1983-03-29 | 1987-03-31 | Union Carbide Corp | Process for producing low density ethylene copolymers |
| US4834947A (en) * | 1983-09-01 | 1989-05-30 | Mobil Oil Corporation | Reactor system for rapid kill gas injection to gas phase polymerization reactors |
| JPH07116253B2 (ja) * | 1986-01-21 | 1995-12-13 | 東ソー株式会社 | ポリオレフインの製造方法 |
| US4719193A (en) * | 1986-09-30 | 1988-01-12 | Union Carbide Corporation | Processes for preparing polyethylene catalysts by heating catalyst precursors |
| US5064798A (en) * | 1988-08-19 | 1991-11-12 | Exxon Chemical Patents Inc. | Catalyst for olefin polymerization |
| FI91968C (fi) * | 1989-11-28 | 1994-09-12 | Borealis Polymers Oy | -olefiinien polymerointiin tarkoitettu prokatalyyttikompositio, sen valmistus ja käyttö |
| DE69119628T2 (de) * | 1990-03-16 | 1996-12-05 | Polimeri Europa Srl | Katalysator auf Träger für Ethylenpolymerisation oder -copolymerisation mit alpha-Olefinen, seine Herstellung und seine Anwendung |
| FI86989C (fi) * | 1990-12-19 | 1992-11-10 | Neste Oy | Foerfarande foer framstaellning av en polymerisationskatalysatorkomponent foer olefiner, en polymerisationskatalysatorkomponent som har framstaellts enligt foerfarandet, och dess anvaendning |
| US5597770A (en) * | 1991-05-30 | 1997-01-28 | Hanwha Chemical Corporation | Titanium-based catalyst composition for polymerizing ethylene |
| FI92405C (fi) | 1992-12-22 | 1994-11-10 | Borealis Holding As | Uusi olefiinipolymerointikatalyytti, menetelmä sen valmistamiseksi ja sen käyttö olefiinien polymerointiin |
| US6384156B1 (en) | 1994-08-02 | 2002-05-07 | Union Carbide Chemicals & Plastics Technology Corporation | Gas phase polymerization process |
| US5453471B1 (en) | 1994-08-02 | 1999-02-09 | Carbide Chemicals & Plastics T | Gas phase polymerization process |
| CN1098867C (zh) * | 1998-01-14 | 2003-01-15 | 中国石油化工集团公司 | 淤浆法全密度聚乙烯高效催化剂 |
| US6200509B1 (en) | 1998-06-26 | 2001-03-13 | Union Carbide Chemicals & Plastics Technology Corporation | Form of synthetic rubber |
| US6281306B1 (en) | 1999-12-16 | 2001-08-28 | Univation Technologies, Llc | Method of polymerization |
| US6780808B2 (en) * | 2002-07-15 | 2004-08-24 | Univation Technologies, Llc | Enhanced solubility of magnesium halides and catalysts and polymerization process using same |
| US6855655B2 (en) * | 2002-07-15 | 2005-02-15 | Univation Technologies, Llc | Supported polymerization catalyst |
| US7223822B2 (en) | 2002-10-15 | 2007-05-29 | Exxonmobil Chemical Patents Inc. | Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom |
| CN101724110B (zh) | 2002-10-15 | 2013-03-27 | 埃克森美孚化学专利公司 | 用于烯烃聚合的多催化剂体系和由其生产的聚合物 |
| US20070073012A1 (en) * | 2005-09-28 | 2007-03-29 | Pannell Richard B | Method for seed bed treatment before a polymerization reaction |
| US20050148742A1 (en) * | 2004-01-02 | 2005-07-07 | Hagerty Robert O. | Method for controlling sheeting in gas phase reactors |
| US7985811B2 (en) * | 2004-01-02 | 2011-07-26 | Univation Technologies, Llc | Method for controlling sheeting in gas phase reactors |
| US7629422B2 (en) | 2004-12-21 | 2009-12-08 | Univation Technologies, Llc | Process for transitioning between Ziegler-Natta-based and chromium-based catalysts |
| US7714082B2 (en) * | 2005-10-04 | 2010-05-11 | Univation Technologies, Llc | Gas-phase polymerization process to achieve a high particle density |
| EP1845112A1 (en) * | 2006-04-12 | 2007-10-17 | Total Petrochemicals Research Feluy | Controlled distribution of active sites in Ziegler-Natta catalysts systems |
| US7754834B2 (en) * | 2007-04-12 | 2010-07-13 | Univation Technologies, Llc | Bulk density promoting agents in a gas-phase polymerization process to achieve a bulk particle density |
| CN102272165B (zh) | 2009-01-08 | 2013-08-28 | 尤尼威蒂恩技术有限责任公司 | 用于聚烯烃聚合方法的添加剂 |
| WO2010080871A1 (en) | 2009-01-08 | 2010-07-15 | Univation Technologies, Llc | Additive for gas phase polymerization processes |
| US8076429B2 (en) * | 2009-03-11 | 2011-12-13 | Lummus Novolen Technology Gmbh | Supertransparent high impact strength random block copolymer |
| WO2011011427A1 (en) | 2009-07-23 | 2011-01-27 | Univation Technologies, Llc | Polymerization reaction system |
| SA111320792B1 (ar) | 2010-09-29 | 2014-11-13 | Univ Zhejiang | مفاعل بلمرة للطبقة المميعة وطريقة لتحضير البوليمر |
| BR112013016116B1 (pt) | 2010-12-22 | 2020-04-28 | Univation Tech Llc | processo de polimerização e sistema catalisador |
| KR102063911B1 (ko) * | 2011-09-05 | 2020-01-08 | 피티티 글로벌 케미칼 피씨엘 | 보론 함유 실리카 지지체를 포함하는 고활성 올레핀 중합 촉매 및 그의 제조 방법 |
| JP6154396B2 (ja) | 2011-11-30 | 2017-06-28 | ユニベーション・テクノロジーズ・エルエルシー | 触媒送出方法及びシステム |
| EP2679609A1 (en) | 2012-06-28 | 2014-01-01 | Lummus Novolen Technology Gmbh | Sterically demanding dialkoxydialkylsilanes as external donors for ziegler catalysts for the polymerization of propylene |
| IN2015DN03103A (ref) | 2012-11-12 | 2015-10-02 | Univation Tech Llc | |
| BR112016012502A2 (pt) | 2013-12-09 | 2017-08-08 | Univation Tech Llc | Alimentar aditivos de polimerização para processos de polimerização |
| CA2974392C (en) | 2015-01-21 | 2023-10-17 | Univation Technologies, Llc | Methods for controlling polymer chain scission |
| US10682797B2 (en) | 2015-01-21 | 2020-06-16 | Univation Technologies, Llc | Methods for gel reduction in polyolefins |
| US11311870B2 (en) | 2017-02-07 | 2022-04-26 | Exxonmobil Chemical Patents Inc. | Processes for reducing the loss of catalyst activity of a Ziegler-Natta catalyst |
| US11168157B2 (en) | 2018-12-04 | 2021-11-09 | Chevron Phillips Chemical Company Lp | Melt flow index response in polyethylene reactors |
| WO2022020025A1 (en) | 2020-07-22 | 2022-01-27 | Exxonmobil Chemical Patents Inc. | Polyolefin compositions and articles thereof |
| CN116583542B (zh) | 2020-12-08 | 2025-05-02 | 埃克森美孚化学专利公司 | 具有长链支化的高密度聚乙烯组合物 |
| WO2023081577A1 (en) | 2021-11-02 | 2023-05-11 | Exxonmobil Chemical Patents Inc. | Polyethylene compositions, articles thereof, and methods thereof |
| EP4424723A1 (en) | 2023-02-28 | 2024-09-04 | Lummus Novolen Technology Gmbh | Polypropylene production using a propylene stream comprising propane |
| EP4527497A1 (en) | 2023-09-19 | 2025-03-26 | Lummus Novolen Technology GmbH | Energy-efficient polypropylene production by reducing power consumption of heat rejection system |
| EP4631613A1 (en) | 2024-04-11 | 2025-10-15 | Lummus Novolen Technology GmbH | Process and system for transferring polymer particles between polymerization zones arranged in series |
| WO2025250307A1 (en) | 2024-05-30 | 2025-12-04 | ExxonMobil Technology and Engineering Company | Methods for improving gas phase polymerization |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB827390A (en) * | 1955-11-01 | 1960-02-03 | Exxon Research Engineering Co | Polymerisation of olefins |
| NL218674A (ref) * | 1956-09-17 | |||
| US3444153A (en) * | 1965-08-16 | 1969-05-13 | Phillips Petroleum Co | Polymerization process and catalyst for olefins |
| US4209601A (en) * | 1975-01-10 | 1980-06-24 | Nippon Oil Company, Limited | Process for the production of polyolefins |
| DE2752577A1 (de) * | 1977-11-25 | 1979-06-07 | Hoechst Ag | Verfahren zur herstellung eines mischkatalysators |
| CA1118148A (en) * | 1978-12-14 | 1982-02-09 | Union Carbide Corporation | Preparation of high density ethylene polymers in fluid bed reactor |
| US4303771A (en) * | 1978-12-14 | 1981-12-01 | Union Carbide Corporation | Process for the preparation of high density ethylene polymers in fluid bed reactor |
-
1980
- 1980-12-24 US US06/219,877 patent/US4379758A/en not_active Expired - Lifetime
-
1981
- 1981-11-30 CA CA000391173A patent/CA1173424A/en not_active Expired
- 1981-12-11 MA MA19560A patent/MA19356A1/fr unknown
- 1981-12-11 IL IL64514A patent/IL64514A/xx unknown
- 1981-12-11 NZ NZ199249A patent/NZ199249A/en unknown
- 1981-12-15 ZA ZA818699A patent/ZA818699B/xx unknown
- 1981-12-18 TR TR21811A patent/TR21811A/xx unknown
- 1981-12-21 FI FI814100A patent/FI70418C/fi not_active IP Right Cessation
- 1981-12-21 GR GR66880A patent/GR77631B/el unknown
- 1981-12-22 NO NO814405A patent/NO160084C/no unknown
- 1981-12-22 BR BR8108356A patent/BR8108356A/pt not_active IP Right Cessation
- 1981-12-22 AU AU78790/81A patent/AU545015B2/en not_active Ceased
- 1981-12-22 HU HU813909A patent/HU185489B/hu not_active IP Right Cessation
- 1981-12-23 CS CS819719A patent/CS232720B2/cs unknown
- 1981-12-23 ES ES508324A patent/ES508324A0/es active Granted
- 1981-12-23 KR KR1019810005149A patent/KR870000215B1/ko not_active Expired
- 1981-12-23 EP EP81306093A patent/EP0055605B1/en not_active Expired
- 1981-12-23 IN IN1446/CAL/81A patent/IN155642B/en unknown
- 1981-12-23 PH PH26672A patent/PH17075A/en unknown
- 1981-12-23 JP JP56207280A patent/JPS57131207A/ja active Granted
- 1981-12-23 EG EG778/81A patent/EG15689A/xx active
- 1981-12-23 DD DD81236173A patent/DD202442A5/de unknown
- 1981-12-23 IE IE3073/81A patent/IE52619B1/en unknown
- 1981-12-23 DK DK576781A patent/DK161650C/da not_active IP Right Cessation
- 1981-12-23 DE DE8181306093T patent/DE3169765D1/de not_active Expired
- 1981-12-23 AT AT81306093T patent/ATE12506T1/de not_active IP Right Cessation
-
1982
- 1982-01-04 PL PL1982244041A patent/PL135930B1/pl unknown
- 1982-01-04 PL PL1982234595A patent/PL134401B1/pl unknown
- 1982-12-30 ES ES518715A patent/ES8401992A1/es not_active Expired
Also Published As
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