DE69623528D1 - Herstellung von Polyethylen unter Verwendung eines stereoisomeren Metallocens - Google Patents

Herstellung von Polyethylen unter Verwendung eines stereoisomeren Metallocens

Info

Publication number
DE69623528D1
DE69623528D1 DE69623528T DE69623528T DE69623528D1 DE 69623528 D1 DE69623528 D1 DE 69623528D1 DE 69623528 T DE69623528 T DE 69623528T DE 69623528 T DE69623528 T DE 69623528T DE 69623528 D1 DE69623528 D1 DE 69623528D1
Authority
DE
Germany
Prior art keywords
index
rsi
alpha
polyethylene resin
resin produced
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69623528T
Other languages
English (en)
Other versions
DE69623528T2 (de
Inventor
Purna Chand Sishta
Eric Paul Wasserman
John Karol Frederick
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Univation Technologies LLC
Original Assignee
Univation Technologies LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univation Technologies LLC filed Critical Univation Technologies LLC
Publication of DE69623528D1 publication Critical patent/DE69623528D1/de
Application granted granted Critical
Publication of DE69623528T2 publication Critical patent/DE69623528T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; 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
    • C08F4/60Metals; 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
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; 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
    • C08F4/60Metals; 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
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65916Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; 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
    • C08F4/60Metals; 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
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65927Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/901Monomer polymerized in vapor state in presence of transition metal containing catalyst
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/943Polymerization with metallocene catalysts
DE69623528T 1995-05-16 1996-05-15 Herstellung von Polyethylen unter Verwendung eines stereoisomeren Metallocens Expired - Fee Related DE69623528T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44227995A 1995-05-16 1995-05-16

Publications (2)

Publication Number Publication Date
DE69623528D1 true DE69623528D1 (de) 2002-10-17
DE69623528T2 DE69623528T2 (de) 2003-03-20

Family

ID=23756211

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69623528T Expired - Fee Related DE69623528T2 (de) 1995-05-16 1996-05-15 Herstellung von Polyethylen unter Verwendung eines stereoisomeren Metallocens

Country Status (10)

Country Link
US (1) US5852143A (de)
EP (2) EP0743324B1 (de)
JP (1) JP3071145B2 (de)
AT (1) ATE223929T1 (de)
AU (1) AU706842B2 (de)
BR (1) BR9602268A (de)
CA (1) CA2176623C (de)
DE (1) DE69623528T2 (de)
ES (1) ES2182950T3 (de)
PT (1) PT743324E (de)

Families Citing this family (99)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1270253B (it) * 1994-06-20 1997-04-29 Spherilene Srl Copolimeri dell'etilene e procedimento per la preparazione di polimeri dell'etilene
IT1290848B1 (it) * 1996-12-12 1998-12-14 Additivi Per Carburanti Srl So Copolimeri etilene/alfa-olefine
US6184317B1 (en) 1997-07-14 2001-02-06 The Board Of Trustees Of The Leland Stanford Jr. University Catalysts and processes for the synthesis of alternating ethylene/α-olefin copolymers, and isotactic copolymers thereof
DE19811934A1 (de) 1998-03-19 1999-09-23 Basf Ag Ethylencopolymere mit enger Comonomerverteilung
EP0953582A1 (de) * 1998-04-27 1999-11-03 Fina Research S.A. Herstellung von Polyolefin
US6245868B1 (en) 1998-05-29 2001-06-12 Univation Technologies Catalyst delivery method, a catalyst feeder and their use in a polymerization process
IT1301681B1 (it) * 1998-06-11 2000-07-07 Siac It Additivi Carburanti Polimeri dell'etilene con alfa-olefine.
US6177527B1 (en) * 1998-09-08 2001-01-23 Union Carbide Chemical & Plastics Technology Corporation Process for the preparation of polyethylene or polypropylene
GB9826874D0 (en) * 1998-12-07 1999-01-27 Borealis As Process
WO2000040625A1 (en) * 1999-01-08 2000-07-13 The Board Of Trustees Of The Leland Stanford Junior University Ethylene copolymers with narrow composition distribution and high melting temperatures, and methods of production thereof
FI990948A0 (fi) * 1999-04-27 1999-04-27 Borealis As Ei-ristisilloitettu polyeteeni
US20010047065A1 (en) * 1999-06-03 2001-11-29 Sun-Chueh Kao Method for preparing a supported catalyst system and its use in a polymerization process
US6399722B1 (en) * 1999-12-01 2002-06-04 Univation Technologies, Llc Solution feed of multiple catalysts
US6426394B1 (en) * 1999-12-10 2002-07-30 Union Carbide Chemicals & Plastics Technology Corporation Method of polymerizing olefins using unsupported catalyst compositions
DE50006908D1 (de) * 1999-12-13 2004-07-29 Basf Ag Pigmentkonzentrate und verfahren zu ihrer herstellung
US6403717B1 (en) 2000-07-12 2002-06-11 Univation Technologies, Llc Ethylene inter-polymer blends
WO2002009940A2 (en) * 2000-07-31 2002-02-07 Reynolds Metals Company Plastic wrap with cling layer
CN1478105A (zh) * 2000-11-17 2004-02-25 尤尼威蒂恩技术有限责任公司 催化剂组合物的制备方法及其在聚合过程中的应用
US20020137861A1 (en) * 2000-12-04 2002-09-26 Woo Min Song Polymerization process
ATE320455T1 (de) * 2000-12-06 2006-04-15 Omlidon Technologies Llc Schmelzverarbeitbares, verschleissfestes polyethylen
TWI314742B (en) * 2002-09-10 2009-09-11 Union Carbide Chem Plastic Polypropylene cable jacket compositions with enhanced melt strength and physical properties
WO2004046214A2 (en) 2002-10-15 2004-06-03 Exxonmobil Chemical Patents Inc. Multiple catalyst system for olefin polymerization and polymers produced therefrom
US8277525B2 (en) * 2003-02-07 2012-10-02 Dalton Robert C High energy transport gas and method to transport same
CN100351275C (zh) 2003-03-21 2007-11-28 陶氏环球技术公司 形态控制的烯烃聚合方法
US7094848B2 (en) 2003-05-13 2006-08-22 Exxonmobil Chemical Patents Inc. Olefin polymerization catalyst system
US7985811B2 (en) * 2004-01-02 2011-07-26 Univation Technologies, Llc Method for controlling sheeting in gas phase reactors
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
ES2303260T3 (es) * 2004-07-22 2008-08-01 Basell Polyolefine Gmbh Composicion de polimeros de 1-buteno.
EP1769009A1 (de) * 2004-07-22 2007-04-04 Basell Polyolefine GmbH Verfahren zur herstellung von fraktionierbaren 1-buten-polymeren
US6903307B1 (en) 2004-10-04 2005-06-07 Prince Lionheart, Inc. Hygienic wipes steamer
ATE423797T1 (de) * 2004-12-03 2009-03-15 Repsol Quimica Sa Katalysatorzusammensetzungen für die polymerisation und copolymerisation von alpha- olefinen
CA2591662C (en) 2004-12-17 2014-01-28 Dow Global Technologies Inc. Rheology modified relatively high melt strength polyethlene compositions and methods of making pipes, films, sheets, and blow molded articles
US7989670B2 (en) 2005-07-19 2011-08-02 Exxonmobil Chemical Patents Inc. Process to produce high viscosity fluids
WO2007011462A1 (en) 2005-07-19 2007-01-25 Exxonmobil Chemical Patents Inc. Lubricants from mixed alpha-olefin feeds
AU2006270436B2 (en) 2005-07-19 2011-12-15 Exxonmobil Chemical Patents Inc. Polyalpha-olefin compositions and processes to produce the same
EP1803747A1 (de) 2005-12-30 2007-07-04 Borealis Technology Oy Oberflächemodifizierte Polymerisationskatalysatoren zur Herstellung von Polyolefinfilmen mit niedrigem Gelgehalt
KR101439556B1 (ko) 2006-05-02 2014-09-11 다우 글로벌 테크놀로지스 엘엘씨 고밀도 폴리에틸렌 조성물, 이것의 제조 방법,이것으로부터 제조된 와이어 및 케이블 자켓, 및 이러한와이어 및 케이블 자켓의 제조 방법
US7456244B2 (en) 2006-05-23 2008-11-25 Dow Global Technologies High-density polyethylene compositions and method of making the same
US8921290B2 (en) 2006-06-06 2014-12-30 Exxonmobil Research And Engineering Company Gear oil compositions
US8834705B2 (en) 2006-06-06 2014-09-16 Exxonmobil Research And Engineering Company Gear oil compositions
US8299007B2 (en) * 2006-06-06 2012-10-30 Exxonmobil Research And Engineering Company Base stock lubricant blends
US8501675B2 (en) * 2006-06-06 2013-08-06 Exxonmobil Research And Engineering Company High viscosity novel base stock lubricant viscosity blends
US8535514B2 (en) 2006-06-06 2013-09-17 Exxonmobil Research And Engineering Company High viscosity metallocene catalyst PAO novel base stock lubricant blends
US7714035B1 (en) * 2006-07-05 2010-05-11 Nibco, Inc. Plumbing manifolds
US8071835B2 (en) 2006-07-19 2011-12-06 Exxonmobil Chemical Patents Inc. Process to produce polyolefins using metallocene catalysts
EP2052026B2 (de) 2007-05-02 2021-07-14 Dow Global Technologies LLC Hochdichte polyethylenzusammensetzungen, verfahren zu deren herstellung, daraus hergestellte einspritzgeformte artikel und verfahren zur herstellung derartiger artikel
US8513478B2 (en) 2007-08-01 2013-08-20 Exxonmobil Chemical Patents Inc. Process to produce polyalphaolefins
US7981517B2 (en) 2007-08-28 2011-07-19 Dow Global Technologies Inc. Bituminous compositions and methods of making and using same
EP2247629B1 (de) 2008-01-31 2011-09-14 ExxonMobil Chemical Patents Inc. Verbesserte verwendung linearer alpha-olefine bei der herstellung von metallocen-katalysierten poly-alpha-olefinen
US8865959B2 (en) 2008-03-18 2014-10-21 Exxonmobil Chemical Patents Inc. Process for synthetic lubricant production
CN105175597A (zh) 2008-03-31 2015-12-23 埃克森美孚化学专利公司 剪切稳定的高粘度pao 的制备
US8394746B2 (en) 2008-08-22 2013-03-12 Exxonmobil Research And Engineering Company Low sulfur and low metal additive formulations for high performance industrial oils
US8476205B2 (en) 2008-10-03 2013-07-02 Exxonmobil Research And Engineering Company Chromium HVI-PAO bi-modal lubricant compositions
US8148481B2 (en) 2008-12-18 2012-04-03 Univation Technologies, Llc Method for seed bed treatment for a polymerization reaction
BRPI1005286A2 (pt) 2009-01-30 2016-07-05 Dow Global Technologies Llc composição de polietileno de alta densidade, método para produzir uma composição de polietileno de alta densidade, dispositivo de fechamento e método para produzir um dispositivo de fechamento
US8716201B2 (en) 2009-10-02 2014-05-06 Exxonmobil Research And Engineering Company Alkylated naphtylene base stock lubricant formulations
US8530712B2 (en) 2009-12-24 2013-09-10 Exxonmobil Chemical Patents Inc. Process for producing novel synthetic basestocks
US8598103B2 (en) 2010-02-01 2013-12-03 Exxonmobil Research And Engineering Company Method for improving the fuel efficiency of engine oil compositions for large low, medium and high speed engines by reducing the traction coefficient
US8748362B2 (en) 2010-02-01 2014-06-10 Exxonmobile Research And Engineering Company Method for improving the fuel efficiency of engine oil compositions for large low and medium speed gas engines by reducing the traction coefficient
US8759267B2 (en) 2010-02-01 2014-06-24 Exxonmobil Research And Engineering Company Method for improving the fuel efficiency of engine oil compositions for large low and medium speed engines by reducing the traction coefficient
US8642523B2 (en) 2010-02-01 2014-02-04 Exxonmobil Research And Engineering Company Method for improving the fuel efficiency of engine oil compositions for large low and medium speed engines by reducing the traction coefficient
US8728999B2 (en) 2010-02-01 2014-05-20 Exxonmobil Research And Engineering Company Method for improving the fuel efficiency of engine oil compositions for large low and medium speed engines by reducing the traction coefficient
US9815915B2 (en) 2010-09-03 2017-11-14 Exxonmobil Chemical Patents Inc. Production of liquid polyolefins
US8796409B2 (en) 2011-10-04 2014-08-05 Exxonmobil Chemical Patents Inc. Use of temperature and ethylene partial pressure to introduce long chain branching in high density polyethylene
EP2766459B1 (de) 2011-10-10 2022-01-19 ExxonMobil Research and Engineering Company Schmierzusammensetzungen
IN2014DN10082A (de) * 2012-07-13 2015-08-21 Univation Tech Llc
ES2823768T3 (es) 2012-12-28 2021-05-10 Univation Tech Llc Métodos para integrar la producción de aluminoxano en la producción de catalizador
ES2723878T3 (es) 2013-01-14 2019-09-03 Univation Tech Llc Métodos para preparar sistemas catalíticos con productividad aumentada
US9217049B2 (en) 2013-11-19 2015-12-22 Chevron Phillips Chemical Company Lp Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distribution
KR102323279B1 (ko) * 2014-02-11 2021-11-08 유니베이션 테크놀로지즈, 엘엘씨 폴리에틸렌의 제조 방법 및 그의 폴리에틸렌
BR112016027380B1 (pt) * 2014-05-22 2021-08-10 Chevron Phillips Chemical Company Lp Processo de polimerização e composição de catalisador
PT3224287T (pt) 2014-11-25 2019-06-11 Univation Tech Llc Métodos de controle do índice de derretimento da poliolefina
JP6621845B2 (ja) 2015-05-08 2019-12-18 エクソンモービル ケミカル パテンツ インコーポレイテッド 重合方法
WO2018022263A1 (en) 2016-07-29 2018-02-01 Exxonmobil Chemical Patents Inc. Polymerization processes using high molecular weight polyhydric quenching agents
WO2018063764A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063767A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063765A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018118155A1 (en) 2016-12-20 2018-06-28 Exxonmobil Chemical Patents Inc. Polymerization process
CN110612313A (zh) * 2017-03-23 2019-12-24 埃克森美孚化学专利公司 催化剂体系及其制备和使用方法
US11591417B2 (en) 2017-12-13 2023-02-28 Exxonmobil Chemical Patents Inc. Deactivation methods for active components from gas phase polyolefin polymerization processes
WO2019173030A1 (en) 2018-03-08 2019-09-12 Exxonmobil Chemical Patents Inc. Methods of preparing and monitoring a seed bed for polymerization reactor startup
US11459408B2 (en) 2018-05-02 2022-10-04 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
CN112055719B (zh) 2018-05-02 2022-11-25 埃克森美孚化学专利公司 从中试装置放大到较大生产设施的方法
US11629245B2 (en) 2018-06-28 2023-04-18 Exxonmobil Chemical Patents Inc. Polyethylene compositions, wire and cables, and methods for making the same
WO2020014138A1 (en) 2018-07-09 2020-01-16 Exxonmobil Chemical Patents Inc. Polyethylene cast films and methods for making the same
CN112469556B (zh) 2018-07-26 2023-05-02 埃克森美孚化学专利公司 多层泡沫膜及其制造方法
US20220025135A1 (en) 2018-11-13 2022-01-27 Exxonmobil Chemical Patents Inc. Polyethylene Films
EP3880738A1 (de) 2018-11-13 2021-09-22 ExxonMobil Chemical Patents Inc. Polyethylenmischungen und -folien
CN112739733B (zh) * 2018-12-21 2023-09-08 Lg化学株式会社 聚烯烃
KR102394383B1 (ko) 2018-12-21 2022-05-04 주식회사 엘지화학 폴리올레핀
WO2020163079A1 (en) 2019-02-06 2020-08-13 Exxonmobil Chemical Patents Inc. Films and backsheets for hygiene articles
WO2020242912A1 (en) 2019-05-24 2020-12-03 Eastman Chemical Company Blend small amounts of pyoil into a liquid stream processed into a gas cracker
US11945998B2 (en) 2019-10-31 2024-04-02 Eastman Chemical Company Processes and systems for making recycle content hydrocarbons
EP4054997A4 (de) 2019-11-07 2024-02-21 Eastman Chem Co Alpha-olefine und fettalkohole mit recycling-gehalt
WO2021126458A1 (en) 2019-12-17 2021-06-24 Exxonmobil Chemical Patents Inc. Films made of polyethylene blends for improved sealing performance and mechanical properties
US20230097375A1 (en) 2020-03-12 2023-03-30 Exxonmobil Chemical Patents Inc. Films made of polyethylene blends for improved bending stiffness and high md tear resistance
RU2759444C1 (ru) * 2020-06-17 2021-11-12 ЮНИВЕЙШН ТЕКНОЛОДЖИЗ, ЭлЭлСи Получение полиолефиновых продуктов
CN117098785A (zh) 2021-04-30 2023-11-21 埃克森美孚化学专利公司 用于聚合反应器中不同聚合催化剂之间的转变的方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4794096A (en) * 1987-04-03 1988-12-27 Fina Technology, Inc. Hafnium metallocene catalyst for the polymerization of olefins
US5120867A (en) * 1988-03-21 1992-06-09 Welborn Jr Howard C Silicon-bridged transition metal compounds
DE3836059A1 (de) * 1988-10-22 1990-05-03 Hoechst Ag Verfahren zur herstellung eines ethylen-propylen-copolymers
DE3916555A1 (de) * 1989-05-20 1990-11-22 Hoechst Ag Verfahren zur herstellung von ethylenpolymeren
MY141000A (en) * 1990-04-18 2010-02-12 Mitsui Chemicals Inc Process for the preparation of an ethylene copolymer and an olefin polymer, and catalysts for olefin polymerization
US5272236A (en) * 1991-10-15 1993-12-21 The Dow Chemical Company Elastic substantially linear olefin polymers
DE59104869D1 (de) * 1990-11-12 1995-04-13 Hoechst Ag 2-Substituierte Bisindenylmetallocene, Verfahren zu ihrer Herstellung und ihre Verwendung als Katalysatoren bei der Olefinpolymerisation.
DE59210001D1 (de) * 1991-10-15 2005-02-17 Basell Polyolefine Gmbh Verfahren zur Herstellung eines Olefinpolymers unter Verwendung von Metallocenen mit speziell substituierten Indenylliganden
US5278272A (en) * 1991-10-15 1994-01-11 The Dow Chemical Company Elastic substantialy linear olefin polymers
US5395471A (en) * 1991-10-15 1995-03-07 The Dow Chemical Company High drawdown extrusion process with greater resistance to draw resonance
EP0882731A3 (de) * 1992-08-15 2000-05-31 TARGOR GmbH Verbrückte Metallocenverbindungen und ihre Verwendung als Olefinpolymerisationskatalysatore
CA2145635A1 (en) * 1992-09-29 1994-04-14 Patrick Brant Long chain branched polymers and a process to make long chain branched polymers
US5317036A (en) * 1992-10-16 1994-05-31 Union Carbide Chemicals & Plastics Technology Corporation Gas phase polymerization reactions utilizing soluble unsupported catalysts
US5420220A (en) * 1993-03-25 1995-05-30 Mobil Oil Corporation LLDPE films
AU683899B2 (en) * 1993-05-25 1997-11-27 Exxon Chemical Patents Inc. Supported metallocene catalyst systems for the polymerization of olefins, preparation and use thereof
IT1271406B (it) * 1993-09-13 1997-05-28 Spherilene Srl Procedimento per la preparazione di polimeri dell'etilene e prodotti ottenuti
JP2895408B2 (ja) * 1993-12-21 1999-05-24 ユニオン・カーバイド・ケミカルズ・アンド・プラスティックス・テクノロジー・コーポレイション 気相方法による長鎖枝を含有するポリオレフィンの製造
IT1270253B (it) * 1994-06-20 1997-04-29 Spherilene Srl Copolimeri dell'etilene e procedimento per la preparazione di polimeri dell'etilene
US5594081A (en) * 1994-07-22 1997-01-14 Mitsubishi Chemical Corporation Catalyst component for the polymerization of α-olefins and a process for preparing α-olefin polymers with use of same

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PT743324E (pt) 2003-01-31
US5852143A (en) 1998-12-22
ATE223929T1 (de) 2002-09-15
CA2176623A1 (en) 1996-11-17
EP1217013A3 (de) 2004-12-22
AU5228496A (en) 1996-11-28
EP1217013A2 (de) 2002-06-26
EP0743324B1 (de) 2002-09-11
AU706842B2 (en) 1999-06-24
JP3071145B2 (ja) 2000-07-31
EP0743324A2 (de) 1996-11-20
ES2182950T3 (es) 2003-03-16
DE69623528T2 (de) 2003-03-20
JPH08311121A (ja) 1996-11-26
BR9602268A (pt) 1998-04-07
EP0743324A3 (de) 1997-10-22
CA2176623C (en) 2000-07-25
MX9601811A (es) 1997-07-31

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