ES2191946T3 - Catalizador para la produccion de polimeros de olefinas. - Google Patents

Catalizador para la produccion de polimeros de olefinas.

Info

Publication number
ES2191946T3
ES2191946T3 ES98934238T ES98934238T ES2191946T3 ES 2191946 T3 ES2191946 T3 ES 2191946T3 ES 98934238 T ES98934238 T ES 98934238T ES 98934238 T ES98934238 T ES 98934238T ES 2191946 T3 ES2191946 T3 ES 2191946T3
Authority
ES
Spain
Prior art keywords
group
sup
catalyst
independently
groups
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 - Lifetime
Application number
ES98934238T
Other languages
English (en)
Inventor
Rex Eugene Murray
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.)
Union Carbide Chemicals and Plastics Technology LLC
Original Assignee
Union Carbide Chemicals and Plastics Technology 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 Union Carbide Chemicals and Plastics Technology LLC filed Critical Union Carbide Chemicals and Plastics Technology LLC
Application granted granted Critical
Publication of ES2191946T3 publication Critical patent/ES2191946T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F17/00Metallocenes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/08Compounds having one or more C—Si linkages
    • C07F7/10Compounds having one or more C—Si linkages containing nitrogen having a Si-N linkage
    • 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
    • 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
    • C08F4/65908Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

Se presenta un precursor de catalizador que tiene la fórmula: A{sub, q}ML{sub, n} en donde cada A tiene la fórmula (I); M es un metal seleccionado entre el grupo que consta de elementos del grupo 3 al 13 y elementos de la serie del lantánido; cada L es un anión monovalente, bivalente o trivalente; X es Y son cada una heteroátomos; Ciclo es una molécula cíclica; cada R{sup,1} es independientemente un grupo que contiene entre 1 y 50 átomos seleccionado entre el grupo que consta de hidrógeno y elemento del Grupo 13 al 17 y dos o más grupos R{sup, 1} adyacentes pueden estar unidos para formar una molécula cíclica; cada R{sup, 2} es independientemente un grupo que contiene entre 1 y 50 átomos seleccionado entre el grupo que consta de hidrógeno y elementos del Grupo 13 al 17 y dos o más grupos R{sup, 2} adyacentes pueden estar unidos para formar una molécula cíclica; Q es un grupo puente; cada n es independientemente un entero entre 0 y 5; n es un entero entre 1 y 4; q es 1 ó 2, los grupos A están opcionalmente conectados por un grupo puente Z. El precursor del catalizador puede obtenerse mediante la reacción de un compuesto organometálico con un ligante que contenta heteroátomos. El precursor del catalizador, cuando se combina con un catalizador de activación, es útil para la polimerización de olefinas.
ES98934238T 1997-07-02 1998-07-01 Catalizador para la produccion de polimeros de olefinas. Expired - Lifetime ES2191946T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5158197P 1997-07-02 1997-07-02

Publications (1)

Publication Number Publication Date
ES2191946T3 true ES2191946T3 (es) 2003-09-16

Family

ID=21972173

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98934238T Expired - Lifetime ES2191946T3 (es) 1997-07-02 1998-07-01 Catalizador para la produccion de polimeros de olefinas.

Country Status (13)

Country Link
US (5) US6103657A (es)
EP (1) EP0993464B1 (es)
JP (1) JP3491761B2 (es)
AR (1) AR016297A1 (es)
AT (1) ATE237622T1 (es)
AU (1) AU735915B2 (es)
BR (1) BR9810213B1 (es)
CA (1) CA2295215C (es)
DE (1) DE69813556T2 (es)
ES (1) ES2191946T3 (es)
TW (1) TW467921B (es)
WO (1) WO1999001460A1 (es)
ZA (1) ZA985782B (es)

Families Citing this family (302)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6268447B1 (en) 1998-12-18 2001-07-31 Univation Technologies, L.L.C. Olefin polymerization catalyst
US6103657A (en) 1997-07-02 2000-08-15 Union Carbide Chemicals & Plastics Technology Corporation Catalyst for the production of olefin polymers
US6921794B2 (en) 1997-08-12 2005-07-26 Exxonmobil Chemical Patents Inc. Blends made from propylene ethylene polymers
US7232871B2 (en) 1997-08-12 2007-06-19 Exxonmobil Chemical Patents Inc. Propylene ethylene polymers and production process
US6635715B1 (en) 1997-08-12 2003-10-21 Sudhin Datta Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers
DE69908840T2 (de) * 1998-03-13 2004-05-06 Sumitomo Chemical Co., Ltd. Übergangsmetallverbindungen, Katalysatorkomponenten und Katalysatoren für die Olefinpolymerisation und ein Verfahren zur Herstellung von Polyolefinen
JP2002519497A (ja) 1998-07-01 2002-07-02 エクソンモービル・ケミカル・パテンツ・インク 結晶性プロピレンポリマーと結晶化可能プロピレンポリマーとを含んでなる弾性ブレンド
US6303719B1 (en) 1998-12-18 2001-10-16 Univation Technologies Olefin polymerization catalyst system
EP1561763A1 (en) * 1998-12-18 2005-08-10 Univation Technologies, LLC Olefin polymerization catalyst system, polymerization process and polymer therefrom
CA2350451A1 (en) * 1998-12-18 2000-06-29 Clark C. Williams Olefin polymerization catalyst system, polymerization process and polymer therefrom
US6211311B1 (en) * 1999-05-25 2001-04-03 Equistar Chemicals, L.P. Supported olefin polymerization catalysts
US6436864B1 (en) * 1999-10-06 2002-08-20 Sri International Unsaturated nitrogenous compounds as electron donors for use with ziegler-natta catalysts
US6274684B1 (en) 1999-10-22 2001-08-14 Univation Technologies, Llc Catalyst composition, method of polymerization, and polymer therefrom
US6300439B1 (en) 1999-11-08 2001-10-09 Univation Technologies, Llc Group 15 containing transition metal catalyst compounds, catalyst systems and their use in a polymerization process
US6624107B2 (en) 1999-10-22 2003-09-23 Univation Technologies, Llc Transition metal catalyst compounds having deuterium substituted ligand and catalyst systems thereof
WO2001030861A1 (en) * 1999-10-22 2001-05-03 Univation Technologies, Llc Catalyst compositions, methods of polymerization, and polymers therefrom
US6380327B1 (en) * 1999-11-12 2002-04-30 E. I. Du Pont De Nemours And Company Chain transfer agents for olefin polymerization
US6340730B1 (en) * 1999-12-06 2002-01-22 Univation Technologies, Llc Multiple catalyst system
US6281306B1 (en) 1999-12-16 2001-08-28 Univation Technologies, Llc Method of polymerization
US20020049288A1 (en) * 2000-04-04 2002-04-25 Christopher Goh Ether-amine based polymerization catalysts, compositions and processes using same
US6723675B1 (en) * 2000-05-25 2004-04-20 Univation Technologies, Llc Catalyst for the production of olefin polymers
US7829646B2 (en) * 2000-08-18 2010-11-09 Chevron Phillips Chemical Company Lp Olefin polymers, method of making, and use thereof
US6458738B1 (en) * 2000-09-22 2002-10-01 Union Carbide Chemicals & Plastics Technology Corporation Spray-drying compositions and methods of spray-drying
EP1334139A2 (en) 2000-11-07 2003-08-13 Symyx Technologies, Inc. Substituted pyridyl amine ligands, complexes and catalysts therefrom. processes for producing polyolefins therewith
CA2433295A1 (en) * 2000-12-28 2002-07-11 Rex Eugene Murray Polymerization catalyst system, polymerization process and polymer therefrom
DE60238049D1 (de) 2001-04-12 2010-12-02 Exxonmobil Chem Patents Inc Verfahren zur Polymerisation von Propylen und Ethylen in Lösung
US6653417B2 (en) 2001-10-12 2003-11-25 Univation Technologies, Llc Catalyst precursor and olefin polymerization processes
EP1444276A1 (en) 2001-11-06 2004-08-11 Dow Global Technologies, Inc. Isotactic propylene copolymers, their preparation and use
US6906160B2 (en) 2001-11-06 2005-06-14 Dow Global Technologies Inc. Isotactic propylene copolymer fibers, their preparation and use
US6943215B2 (en) 2001-11-06 2005-09-13 Dow Global Technologies Inc. Impact resistant polymer blends of crystalline polypropylene and partially crystalline, low molecular weight impact modifiers
US6927256B2 (en) 2001-11-06 2005-08-09 Dow Global Technologies Inc. Crystallization of polypropylene using a semi-crystalline, branched or coupled nucleating agent
US6960635B2 (en) 2001-11-06 2005-11-01 Dow Global Technologies Inc. Isotactic propylene copolymers, their preparation and use
EP1308450A3 (en) * 2001-11-06 2003-10-01 Symyx Technologies, Inc. Titanium substituted pyridyl amine complexes, catalysts and processes for polymerizing ethylene and styrene
US6911506B2 (en) * 2001-12-10 2005-06-28 Chevron Phillips Chemical Company Lp Catalyst composition and olefin polymerization using same
US7199255B2 (en) * 2001-12-18 2007-04-03 Univation Technologies, Llc Imino-amide catalysts for olefin polymerization
US6864205B2 (en) 2001-12-18 2005-03-08 Univation Technologies, Llc Heterocyclic-amide catalyst compositions for the polymerization of olefins
US6831187B2 (en) * 2001-12-18 2004-12-14 Univation Technologies, Llc Multimetallic catalyst compositions for the polymerization of olefins
US6919467B2 (en) * 2001-12-18 2005-07-19 Univation Technologies, Llc Imino-amide catalyst compositions for the polymerization of olefins
JP2005524742A (ja) * 2002-05-06 2005-08-18 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 ポリオレフィンを製造するための混合触媒組成物
US7105672B2 (en) * 2002-08-19 2006-09-12 The University Of Hong Kong Cyclometallated catalysts
WO2004026925A1 (en) 2002-09-17 2004-04-01 Dow Global Technologies Inc. Improved process for manufacture of polymers
US8008412B2 (en) * 2002-09-20 2011-08-30 Exxonmobil Chemical Patents Inc. Polymer production at supersolution conditions
US20080153997A1 (en) * 2006-12-20 2008-06-26 Exxonmobil Research And Engineering Polymer production at supercritical conditions
US7459500B2 (en) * 2002-11-05 2008-12-02 Dow Global Technologies Inc. Thermoplastic elastomer compositions
US7579407B2 (en) * 2002-11-05 2009-08-25 Dow Global Technologies Inc. Thermoplastic elastomer compositions
EP1611254B1 (en) 2003-03-31 2014-09-10 Roche Diagnostics GmbH Compositions and methods for detecting certain flaviviruses, including members of the japanese encephalitis virus serogroup
US6953764B2 (en) * 2003-05-02 2005-10-11 Dow Global Technologies Inc. High activity olefin polymerization catalyst and process
US7094848B2 (en) * 2003-05-13 2006-08-22 Exxonmobil Chemical Patents Inc. Olefin polymerization catalyst system
JP2005152889A (ja) * 2003-11-06 2005-06-16 Sumitomo Chemical Co Ltd オレフィンの三量化触媒およびその触媒を用いたオレフィンの三量化方法
US7119153B2 (en) 2004-01-21 2006-10-10 Jensen Michael D Dual metallocene catalyst for producing film resins with good machine direction (MD) elmendorf tear strength
WO2005073283A1 (en) * 2004-01-22 2005-08-11 Dow Global Technologies Inc. Functionalized elastomer compositions
SG151310A1 (en) 2004-03-17 2009-04-30 Dow Global Technologies Inc Catalyst composition comprising shuttling agent for ethylene copolymer formation
SG151301A1 (en) 2004-03-17 2009-04-30 Dow Global Technologies Inc Catalyst composition comprising shuttling agent for ethylene multi- block copolymer formation
NZ549262A (en) 2004-03-17 2010-08-27 Dow Global Technologies Inc Catalyst composition comprising shuttling agent for higher olefin multi-block copolymer formation
US7598328B2 (en) * 2004-04-07 2009-10-06 Dow Global Technologies, Inc. Supported catalysts for manufacture of polymers
US7939251B2 (en) 2004-05-06 2011-05-10 Roche Molecular Systems, Inc. SENP1 as a marker for cancer
CN102321201B (zh) 2004-06-16 2013-06-26 陶氏环球技术有限责任公司 选择聚合改性剂的方法
US7459510B2 (en) * 2004-06-21 2008-12-02 Exxonmobil Chemical Patents Inc. Polymerization process
US7193017B2 (en) 2004-08-13 2007-03-20 Univation Technologies, Llc High strength biomodal polyethylene compositions
US8202940B2 (en) 2004-08-19 2012-06-19 Univation Technologies, Llc Bimodal polyethylene compositions for blow molding applications
US7868092B2 (en) 2005-06-14 2011-01-11 Univation Technologies, Llc Bimodal polyethylene compositions for blow molding applications
US7432328B2 (en) 2005-06-14 2008-10-07 Univation Technologies, Llc Enhanced ESCR bimodal HDPE for blow molding applications
EP1794196A2 (en) * 2004-09-22 2007-06-13 Symyx Technologies, Inc. Heterocycle-amine ligands, compositions, complexes, and catalysts, and methods of making and using the same
US7256296B2 (en) * 2004-09-22 2007-08-14 Symyx Technologies, Inc. Heterocycle-amine ligands, compositions, complexes, and catalysts
WO2006049699A1 (en) * 2004-10-29 2006-05-11 Exxonmobil Chemical Patents Inc Catalyst compound containing divalent tridentate ligand
US6987152B1 (en) 2005-01-11 2006-01-17 Univation Technologies, Llc Feed purification at ambient temperature
US7312279B2 (en) 2005-02-07 2007-12-25 Univation Technologies, Llc Polyethylene blend compositions
US7414006B2 (en) * 2005-03-09 2008-08-19 Exxonmobil Chemical Patents Inc. Methods for oligomerizing olefins
JP4991691B2 (ja) * 2005-03-09 2012-08-01 エクソンモービル・ケミカル・パテンツ・インク オレフィンのオリゴマー化
MX2007011337A (es) 2005-03-17 2007-10-02 Dow Global Technologies Inc Composicion de catalizador que comprende un agente de transporte para la formacion de copolimero de bloques multiples tactico/atactico.
MX2007011340A (es) 2005-03-17 2007-10-03 Dow Global Technologies Inc Composicion de catalizador que comprende un agente de transporte para la formacion de copolimero de bloques multiples regio-irregular.
US9410009B2 (en) 2005-03-17 2016-08-09 Dow Global Technologies Llc Catalyst composition comprising shuttling agent for tactic/ atactic multi-block copolymer formation
CN100441602C (zh) * 2005-04-22 2008-12-10 中国石油化工股份有限公司 一种制备宽/双峰分布高密度聚乙烯的复合催化体系
CN100441603C (zh) * 2005-04-22 2008-12-10 中国石油化工股份有限公司 一种用于制备宽/双峰分布高密度聚乙烯的复合催化体系
US7858702B2 (en) 2005-06-14 2010-12-28 Univation Technologies, Llc Enhanced ESCR bimodal HDPE for blow molding applications
US7301040B2 (en) * 2005-08-18 2007-11-27 Fina Technology, Inc. Bidentate catalyst for olefin polymerization, methods of forming such and products therefrom
US7947797B2 (en) 2005-09-14 2011-05-24 Univation Technologies, Llc Method for operating a gas-phase reactor at or near maximum production rates while controlling polymer stickiness
KR20080055837A (ko) * 2005-09-15 2008-06-19 다우 글로벌 테크놀로지스 인크. 중합가능한 셔틀링제를 통한 촉매성 올레핀 블럭 공중합체
AR058448A1 (es) * 2005-09-15 2008-02-06 Dow Global Technologies Inc Control de arquitectura del polimero y distribucoin de peso molecular va el agente de transferencia multi- centrado
ES2391196T3 (es) 2005-09-28 2012-11-22 Dow Global Technologies Llc Procedimiento de polimerización de olefinas de bajo peso molecular de alta actividad
US20070109911A1 (en) 2005-11-16 2007-05-17 Neubauer Anthony C High speed and direct driven rotating equipment for polyolefin manufacturing
US20070117713A1 (en) * 2005-11-21 2007-05-24 Abbas Razavi Tridentate metal catalyst for olefin polymerization
US7439205B2 (en) * 2005-11-21 2008-10-21 Fina Technology, Inc. Tridentate metal catalyst for olefin polymerization
US7982085B2 (en) * 2006-02-03 2011-07-19 Exxonmobil Chemical Patents Inc. In-line process for generating comonomer
US8003839B2 (en) * 2006-02-03 2011-08-23 Exxonmobil Chemical Patents Inc. Process for generating linear apha olefin comonomers
US8076524B2 (en) * 2006-02-03 2011-12-13 Exxonmobil Chemical Patents Inc. Process for generating alpha olefin comonomers
ES2569047T3 (es) * 2006-05-05 2016-05-06 Dow Global Technologies Llc Complejos de hafnio orto-metalados de ligandos de imidazol
RU2008147894A (ru) * 2006-05-05 2010-06-10 Дау Глобал Текнолоджиз Инк. (Us) Комплексы гафния с гетероциклическими органическими лигандами
ES2534469T3 (es) 2006-05-17 2015-04-23 Dow Global Technologies Llc Procedimiento de polimerización de polietileno en disolución a alta temperatura
US8404915B2 (en) * 2006-08-30 2013-03-26 Exxonmobil Chemical Patents Inc. Phosphine ligand-metal compositions, complexes, and catalysts for ethylene trimerizations
EP3467077A1 (en) 2006-10-03 2019-04-10 Univation Technologies, LLC System for olefin polymerization
US8242237B2 (en) * 2006-12-20 2012-08-14 Exxonmobil Chemical Patents Inc. Phase separator and monomer recycle for supercritical polymerization process
EP2114974A1 (en) * 2007-01-08 2009-11-11 ExxonMobil Chemical Patents Inc. Methods for oligomerizing olefins with chromium pyridine ether catalysts
US20080182951A1 (en) * 2007-01-08 2008-07-31 Ackerman Lily J Chromium Pyridine Bis(Oxazoline) And Related Catalysts For Ethylene Dimerization
US8138348B2 (en) * 2007-01-08 2012-03-20 Exxonmobil Chemical Patents Inc. Methods for oligomerizing olefins with chromium pyridine mono-oxazoline catalysts
US8067609B2 (en) * 2007-01-08 2011-11-29 Exxonmobil Chemical Patents Inc. Methods for oligomerizing olefins with chromium pyridine thioether catalysts
EP2125913A1 (en) * 2007-03-06 2009-12-02 ExxonMobil Chemical Patents Inc. Polymer production under supersolution conditions
JP5507263B2 (ja) * 2007-03-07 2014-05-28 ダウ グローバル テクノロジーズ エルエルシー 固定化されている担持された遷移金属錯体
US8281332B2 (en) * 2007-05-02 2012-10-02 Google Inc. Animated video overlays
ITMI20070878A1 (it) 2007-05-02 2008-11-03 Dow Global Technologies Inc Processo per la polimerizzazine di polimeri tattici con l'uso di catalizzatori chirali
ITMI20070877A1 (it) 2007-05-02 2008-11-03 Dow Global Technologies Inc Processo per la produzione di copolimeri a blocchi multipli con l'utilizzo di solventi polari
ES2446294T3 (es) * 2007-06-04 2014-03-07 Exxonmobil Chemical Patents Inc. Polimerización de propileno en un sistema homogéneo en condiciones de superdisolución
EP2112175A1 (en) 2008-04-16 2009-10-28 ExxonMobil Chemical Patents Inc. Activator for metallocenes comprising one or more halogen substituted heterocyclic heteroatom containing ligand coordinated to an alumoxane
TW200936564A (en) 2007-11-15 2009-09-01 Univation Tech Llc Methods for the removal of impurities from polymerization feed streams
TW200936619A (en) 2007-11-15 2009-09-01 Univation Tech Llc Polymerization catalysts, methods of making, methods of using, and polyolefin products made therefrom
CN101965371B (zh) * 2007-12-31 2015-09-23 陶氏环球技术有限责任公司 用于聚合基于烯烃的聚合物的方法
US8318875B2 (en) * 2008-01-18 2012-11-27 Exxonmobil Chemical Patents Inc. Super-solution homogeneous propylene polymerization and polypropylenes made therefrom
US8394902B2 (en) 2008-07-25 2013-03-12 Exxonmobil Chemical Patents Inc. Pyridyldiamido transition metal complexes, production and use thereof
US7973116B2 (en) * 2008-07-25 2011-07-05 Exxonmobil Chemical Patents Inc. Pyridyldiamido transition metal complexes, production and use thereof
US8710163B2 (en) 2008-07-25 2014-04-29 Exxonmobil Chemical Patents Inc. Pyridyldiamido transition metal complexes, production and use thereof
US8674040B2 (en) * 2008-07-25 2014-03-18 Exxonmobil Chemical Patents Inc. Pyridyldiamido transition metal complexes, production and use thereof
JP2012506329A (ja) * 2008-10-23 2012-03-15 バーゼル・ポリオレフィン・ゲーエムベーハー ポリエチレン容器、プリフォームおよびボトルの製造のための射出延伸ブロー成形法
EP2358767B1 (en) 2008-12-18 2013-02-20 Univation Technologies, LLC Method for seed bed treatment for a polymerization reaction
US8227653B2 (en) 2009-03-27 2012-07-24 Exxonmobil Chemical Patents Inc. Olefin oligomerization reaction processes exhibiting reduced fouling
WO2010151433A1 (en) 2009-06-26 2010-12-29 Dow Global Technologies Inc. Process selectively polymerizing ethylene and catalyst therefor
KR101741855B1 (ko) 2009-06-29 2017-05-30 셰브론 필립스 케미컬 컴퍼니 엘피 용융지수 감소 및 중합체 생성률 증가를 위한 이중 메탈로센 촉매시스템
BRPI1014665B1 (pt) * 2009-06-29 2020-03-24 Chevron Phillips Chemical Company Lp Processo de polimerização de olefina e composição de catalisador
US7858718B1 (en) 2009-07-22 2010-12-28 Equistar Chemicals, Lp Catalysts based on 2-aryl-8-anilinoquinoline ligands
US8153544B2 (en) * 2009-07-22 2012-04-10 Equistar Chemicals, Lp Method for preparing non-metallocene catalysts
US8158733B2 (en) 2009-07-22 2012-04-17 Equistar Chemicals, Lp Catalysts based on 2-(2-aryloxy)quinoline or 2-(2-aryloxy)dihydroquinoline ligands
BR112012001942B1 (pt) 2009-07-29 2019-10-22 Dow Global Technologies Llc agente de permuta de cadeia multifuncional, processo para preparar um agente de permuta de cadeia multifuncional, processo para preparar uma composição multifuncional, composição multifuncional, processo para preparar um agente de permuta de cadeia multifuncional contendo poli-radical poliolefina, poliolefina telequélica, processo para preparar uma poliolefina com funcionalidade terminal e separador de bateria
ES2638913T3 (es) 2009-08-31 2017-10-24 Dow Global Technologies Llc Catalizador y procedimiento para polimerizar una olefina y poliolefina preparada mediante el mismo
CN102770487B (zh) 2009-10-02 2014-10-01 陶氏环球技术有限责任公司 热塑性硫化材料应用中的嵌段复合材料
BR112012007271B1 (pt) 2009-10-02 2021-03-23 Dow Global Technologies Llc Composição de elastômero e artigo
US8686087B2 (en) * 2009-10-02 2014-04-01 Dow Global Technologies Llc Block composites in soft compounds
WO2011041696A1 (en) 2009-10-02 2011-04-07 Dow Global Technologies Inc. Block composites and impact modified compositions
EP2536767B1 (en) 2010-02-18 2015-05-06 Univation Technologies, LLC Methods for operating a polymerization reactor
US8729201B2 (en) 2010-02-19 2014-05-20 Dow Global Technologies Llc Process for polymerizing an olefin monomer and catalyst therefor
JP5837514B2 (ja) * 2010-02-19 2015-12-24 ダウ グローバル テクノロジーズ エルエルシー 金属−配位子錯体及び触媒
KR20130026531A (ko) 2010-02-22 2013-03-13 유니베이션 테크놀로지즈, 엘엘씨 폴리올레핀 생산물을 생산하기 위한 촉매 시스템 및 이의 사용 방법
SG183230A1 (en) 2010-03-09 2012-09-27 Exxonmobil Chem Patents Inc System and method for selective trimerization
BR112012025925B1 (pt) 2010-04-13 2020-03-17 Univation Technologies, Llc Mistura polimérica e filme
CN102906129B (zh) 2010-05-17 2015-02-25 陶氏环球技术有限责任公司 选择性聚合乙烯的方法及其催化剂
WO2011163191A1 (en) 2010-06-21 2011-12-29 Dow Global Technologies Llc Crystalline block composites as compatibilizers
EP2582747B1 (en) 2010-06-21 2019-05-29 Dow Global Technologies LLC Crystalline block composites as compatibilizers
BR112012032980B1 (pt) 2010-06-21 2020-08-25 Dow Global Technologies Llc composição
US8822599B2 (en) 2010-06-21 2014-09-02 Dow Global Technologies Llc Crystalline block composites as compatibilizers
US20120016092A1 (en) 2010-07-14 2012-01-19 Sandor Nagy Catalysts based on quinoline precursors
WO2012009215A1 (en) 2010-07-16 2012-01-19 Univation Technologies, Llc Systems and methods for measuring static charge on particulates
EP2593217B1 (en) 2010-07-16 2014-07-02 Univation Technologies, LLC Systems and methods for measuring particle accumulation on reactor surfaces
WO2012015898A1 (en) 2010-07-28 2012-02-02 Univation Technologies, Llc Systems and methods for measuring velocity of a particle/fluid mixture
CA2713042C (en) 2010-08-11 2017-10-24 Nova Chemicals Corporation Method of controlling polymer architecture
KR101865645B1 (ko) 2010-08-25 2018-06-11 다우 글로벌 테크놀로지스 엘엘씨 중합성 올레핀의 중합 방법 및 그를 위한 촉매
WO2012061706A1 (en) 2010-11-04 2012-05-10 Dow Global Technologies Llc Double shuttling of polyolefin polymeryl chains
CN103228682B (zh) 2010-11-30 2015-07-22 尤尼威蒂恩技术有限责任公司 用经萃取的金属羧酸盐聚合烯烃的方法
MY161763A (en) 2010-11-30 2017-05-15 Univation Tech Llc Catalyst composition having improved flow characteristics and methods of making and using the same
CN103298842B (zh) 2010-12-17 2016-08-31 尤尼威蒂恩技术有限责任公司 从聚烯烃吹扫气体产物回收烃的系统以及方法
WO2012103080A1 (en) 2011-01-26 2012-08-02 Dow Global Technologies Llc Process for making a polyolefin-polysiloxane block copolymer
US8907031B2 (en) 2011-04-20 2014-12-09 Chevron Phillips Chemical Company Lp Imino carbene compounds and derivatives, and catalyst compositions made therefrom
CA2739969C (en) 2011-05-11 2018-08-21 Nova Chemicals Corporation Improving reactor operability in a gas phase polymerization process
US9296836B2 (en) * 2011-05-12 2016-03-29 Dow Global Technologies Llc Non-cyclopentadienyl-based chromium catalysts for olefin polymerization
RU2598023C2 (ru) 2011-05-13 2016-09-20 Юнивейшн Текнолоджиз, Ллк Полученные распылительной сушкой каталитические композиции и способы полимеризации, в которых они применяются
WO2013028283A1 (en) 2011-08-19 2013-02-28 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
JP5600219B2 (ja) 2011-10-24 2014-10-01 三菱化学株式会社 熱可塑性エラストマー組成物及びその製造方法
ES2798272T3 (es) 2011-11-08 2020-12-10 Univation Tech Llc Métodos de preparación de un sistema catalítico
ES2729280T3 (es) 2011-11-08 2019-10-31 Univation Tech Llc Métodos para producir poliolefinas con sistemas catalíticos
CA2760264C (en) 2011-12-05 2018-08-21 Nova Chemicals Corporation Passivated supports for use with olefin polymerization catalysts
EP2791239B1 (en) 2011-12-14 2017-12-06 Dow Global Technologies LLC Functionalized block composite and crystalline block composite compositions as compatibilizers
WO2013090396A1 (en) 2011-12-14 2013-06-20 Dow Global Technologies Llc Functionalized block composite and crystalline block composite compositions
EP2797962B1 (en) 2011-12-29 2015-11-18 Dow Global Technologies LLC Process for producing low molecular weight ethylene- and alpha-olefin-based materials
EP2797963B1 (en) 2011-12-29 2019-07-03 Dow Global Technologies LLC Hyperbranched olefin oil-based dielectric fluid
US8524972B1 (en) 2012-04-18 2013-09-03 Exxonmobil Chemical Patents Inc. Low temperature steam stripping for byproduct polymer and solvent recovery from an ethylene oligomerization process
US8691916B2 (en) 2012-05-07 2014-04-08 Dow Global Technologies Llc Retortable easy opening seals for film extrusion
CA2783494C (en) 2012-07-23 2019-07-30 Nova Chemicals Corporation Adjusting polymer composition
BR112015015548B1 (pt) 2012-12-27 2021-05-18 Dow Global Technologies Llc processo de polimerização para a produção de polímeros a base de etileno
SG11201505069VA (en) 2012-12-27 2015-07-30 Dow Global Technologies Llc A polymerization process for producing ethylene based polymers
WO2014105413A1 (en) 2012-12-27 2014-07-03 Dow Global Technologies Llc An ethylene based polymer
CN104854144B (zh) 2012-12-27 2018-08-07 陶氏环球技术有限责任公司 乙烯类聚合物
EP2938643B1 (en) 2012-12-27 2018-01-31 Dow Global Technologies LLC Catalyst systems for olefin polymerization
WO2014106143A1 (en) 2012-12-28 2014-07-03 Univation Technologies, Llc Supported catalyst with improved flowability
IN2015DN03815A (es) 2012-12-28 2015-10-02 Univation Tech Llc
WO2014109832A1 (en) 2013-01-14 2014-07-17 Univation Technologies, Llc Methods for preparing catalyst systems with increased productivity
CN105189566A (zh) 2013-01-30 2015-12-23 尤尼威蒂恩技术有限责任公司 制造具有改进的流动的催化剂组合物的方法
US9102773B2 (en) 2013-02-06 2015-08-11 Exxonmobil Chemical Patents Inc. Process for controlling molecular weight of polyolefins prepared using pyridyl diamide catalyst systems
WO2014123598A1 (en) 2013-02-07 2014-08-14 Univation Technologies, Llc Preparation of polyolefin
CN105143280B (zh) 2013-03-15 2017-06-13 尤尼威蒂恩技术有限责任公司 催化剂的配体
JP6360549B2 (ja) 2013-03-15 2018-07-18 ユニベーション・テクノロジーズ・エルエルシー オレフィン重合触媒用の三座窒素系配位子
EP3287473B1 (en) 2013-06-05 2019-10-16 Univation Technologies, LLC Protecting phenol groups
CN113201084A (zh) 2013-06-28 2021-08-03 陶氏环球技术有限责任公司 使用卤化双苯基苯氧基催化剂控制聚烯烃的分子量
EP2986586B1 (en) 2013-06-28 2018-08-08 Dow Global Technologies LLC Process for the preparation of a lightly-branched hydrophobe and the corresponding surfactants and applications thereof
JP2016537449A (ja) 2013-10-15 2016-12-01 ダウ グローバル テクノロジーズ エルエルシー 相溶化されたポリオレフィンブレンド
WO2015061440A1 (en) 2013-10-25 2015-04-30 Dow Global Technologies Llc Polyethylene and polypropylene composition suitable for the use as retortable easy opening seals
US9290519B2 (en) 2013-11-15 2016-03-22 Exxonmobil Chemical Patents Inc. Pyridyldiamido transition metal complexes, production and use thereof
US9260552B2 (en) 2013-11-15 2016-02-16 Exxonmobil Chemical Patents Inc. Process to produce polymers from pyridyldiamido transition metal complexes and use thereof
US9315593B2 (en) 2013-11-15 2016-04-19 Exxonmobil Chemical Patents Inc. Catalyst systems comprising pyridyldiamido transition metal complexes and chain transfer agent and use thereof
WO2015073157A1 (en) 2013-11-15 2015-05-21 Exxonmobil Chemical Patents Inc. Process to produce polymers from pyridyldiamido transition metal complexes and use thereof
BR112016012971B1 (pt) 2013-12-19 2021-06-08 Dow Global Technologies Llc complexo de metal-ligante, catalisador e processo para preparar uma poliolefina
US9315526B2 (en) 2014-03-03 2016-04-19 Exxonmobil Chemical Patents Inc. Pyridyldiamido transition metal complexes, production and use thereof
RU2677897C2 (ru) 2014-04-02 2019-01-22 ЮНИВЕЙШН ТЕКНОЛОДЖИЗ, ЭлЭлСи Композиции обеспечения непрерывности и способы изготовления и использования таковых
US20170152377A1 (en) 2014-06-26 2017-06-01 Dow Global Technologies Llc Breathable films and articles incorporating same
MX393687B (es) 2014-06-26 2025-03-11 Dow Global Technologies Llc Peliculas sopladas con tenacidad mejorada.
CN106470838B (zh) 2014-06-26 2019-05-17 陶氏环球技术有限责任公司 具有改进的韧性的流延膜
ES2949011T3 (es) 2014-06-30 2023-09-25 Dow Global Technologies Llc Sistemas de catalizador para la polimerización de olefinas
EP3161021B1 (en) 2014-06-30 2019-11-20 Dow Global Technologies LLC Process for olefin polymerization
CA2956878C (en) * 2014-09-17 2024-01-02 Versalis S.P.A. Pyridine complex of zirconium, catalytic system comprising said pyridine complex of zirconium and process of (co)polymerization of conjugated dienes
CA2978925C (en) 2015-03-10 2023-08-22 Univation Technologies, Llc Spray dried catalyst compositions, methods for preparation and use in olefin polymerization processes
CN113896607B (zh) 2015-03-13 2024-04-16 陶氏环球技术有限责任公司 利用包含具有含有磷环的配体的铬络合物的催化剂的烯烃低聚反应方法
US10711072B2 (en) 2015-04-17 2020-07-14 Univation Technologies, Llc Methods and systems for olefin polymerization
EP3286230B1 (en) 2015-04-20 2023-03-08 ExxonMobil Chemical Patents Inc. Supported catalyst systems and processes for use thereof
US10533063B2 (en) 2015-04-20 2020-01-14 Exxonmobil Chemical Patents Inc. Supported catalyst systems and processes for use thereof
US10647786B2 (en) 2015-04-20 2020-05-12 Exxonmobil Chemical Patents, Inc. Supported catalyst systems and processes for use thereof
CA2983271C (en) 2015-04-24 2024-02-13 Univation Technologies, Llc Methods for operating a polymerization reactor
SG11201708626SA (en) 2015-04-27 2017-11-29 Univation Tech Llc Supported catalyst compositions having improved flow properties and preparation thereof
CA2891693C (en) 2015-05-21 2022-01-11 Nova Chemicals Corporation Controlling the placement of comonomer in an ethylene copolymer
CA2892552C (en) 2015-05-26 2022-02-15 Victoria Ker Process for polymerization in a fluidized bed reactor
CA2892882C (en) 2015-05-27 2022-03-22 Nova Chemicals Corporation Ethylene/1-butene copolymers with enhanced resin processability
CN107922441A (zh) 2015-06-30 2018-04-17 埃克森美孚化学专利公司 三齿双阴离子cnn配体的过渡金属络合物及其生产和用途
US9598444B2 (en) 2015-06-30 2017-03-21 Exxonmobil Chemical Patents Inc. Transition metal complexes of tridentate dianionic CNN ligands, production and use thereof
EP3317341B2 (en) 2015-06-30 2025-12-17 Dow Global Technologies LLC Polypropylene/inorganic particle blend composition for pvc-free wear layer in resilient flooring
CN107787336B (zh) 2015-06-30 2021-05-28 陶氏环球技术有限责任公司 用于制备基于乙烯的聚合物的聚合方法
WO2017004456A1 (en) 2015-06-30 2017-01-05 Dow Global Technologies Llc A polymerization process for producing ethylene based polymers
CN107922527A (zh) 2015-08-31 2018-04-17 埃克森美孚化学专利公司 用于聚烯烃反应的具有悬垂烯烃的铝烷基
US10618988B2 (en) 2015-08-31 2020-04-14 Exxonmobil Chemical Patents Inc. Branched propylene polymers produced via use of vinyl transfer agents and processes for production thereof
EP3344666A4 (en) 2015-08-31 2019-07-31 ExxonMobil Chemical Patents Inc. POLYMERS PRODUCED BY VINYL TRANSFER AGENTS
WO2017039994A1 (en) 2015-08-31 2017-03-09 Exxonmobil Chemical Patents Inc. Aluminum alkyls with pendant olefins on clays
US9982067B2 (en) 2015-09-24 2018-05-29 Exxonmobil Chemical Patents Inc. Polymerization process using pyridyldiamido compounds supported on organoaluminum treated layered silicate supports
BR112018006183B1 (pt) 2015-09-30 2022-06-14 Dow Global Technologies Llc Pró-catalisador e processo de polimerização
BR112018005909B1 (pt) 2015-09-30 2022-05-03 Dow Global Technologies Llc Pró-catalisador para a polimerização de etileno e processo de polimerização para a produção de polímeros à base de etileno
WO2017058910A1 (en) 2015-09-30 2017-04-06 Dow Global Technologies Llc Multi- or dual-headed compositions useful for chain shuttling and process to prepare the same
US10414887B2 (en) 2015-10-02 2019-09-17 Exxonmobil Chemical Patents Inc. Supported catalyst systems and methods of using same
US9982076B2 (en) 2015-10-02 2018-05-29 Exxonmobil Chemical Patents Inc. Supported bis phenolate transition metals complexes, production and use thereof
US9975973B2 (en) 2015-10-02 2018-05-22 Exxonmobil Chemical Patents Inc. Asymmetric fluorenyl-substituted salan catalysts
US10000593B2 (en) 2015-10-02 2018-06-19 Exxonmobil Chemical Patents Inc. Supported Salan catalysts
US9994657B2 (en) 2015-10-02 2018-06-12 Exxonmobil Chemical Patents Inc. Polymerization process using bis phenolate compounds supported on organoaluminum treated layered silicate supports
US9994658B2 (en) 2015-10-02 2018-06-12 Exxonmobil Chemical Patents Inc. Polymerization process using bis phenolate compounds supported on organoaluminum treated layered silicate supports
EP3368602B1 (en) 2015-10-29 2020-07-08 Dow Global Technologies, LLC Crosslinkable polymeric compositions for flexible crosslinked cable insulation and methods for making flexible crosslinked cable insulation
ES2691556T5 (es) 2016-03-02 2022-09-29 Dow Global Technologies Llc Una composición de un copolímero de etileno/alfa-olefina, y artículos que comprenden la misma
EP3214116B1 (en) 2016-03-03 2021-06-23 Dow Global Technologies LLC Breathable films and method of making the same
ES2849149T5 (en) 2016-03-03 2025-12-11 Dow Global Technologies Llc Artificial turfs and method of making the same
EP3214115B1 (en) 2016-03-03 2018-10-03 Dow Global Technologies LLC Polyethylene composition, method of making the same, and films made therefrom
KR102344637B1 (ko) 2016-03-31 2021-12-30 다우 글로벌 테크놀로지스 엘엘씨 올레핀 중합 촉매
SG11201808185XA (en) 2016-03-31 2018-10-30 Dow Global Technologies Llc Olefin polymerization catalyst systems and methods of use thereof
WO2017173080A1 (en) 2016-03-31 2017-10-05 Dow Global Technologies Llc Olefin polymerization catalyst systems and methods of use thereof
US10208140B2 (en) 2016-06-30 2019-02-19 Exxonmobil Chemical Patents Inc. Quinolinyldiamido transition metal complexes, production and use thereof
US10562987B2 (en) 2016-06-30 2020-02-18 Exxonmobil Chemical Patents Inc. Polymers produced via use of quinolinyldiamido transition metal complexes and vinyl transfer agents
US10927196B2 (en) 2016-06-30 2021-02-23 Exxonmobil Chemical Patents Inc. Long chain branched polypropylene via polymerization with aluminum vinyl transfer agent
KR20190003835A (ko) 2016-06-30 2019-01-09 엑손모빌 케미칼 패턴츠 인코포레이티드 퀴놀리닐디아미도 전이 금속 착물, 제조 및 이의 용도
US10150821B2 (en) 2016-07-29 2018-12-11 Exxonmobil Chemical Patents Inc. Heterocyclic amido transition metal complexes, production and use thereof
US20190152998A1 (en) 2016-07-29 2019-05-23 Dow Global Technologies Llc SYNTHESIS OF m-TERPHENYL PENDANT BIS-ETHER LIGANDS AND METAL COMPLEX AND THEIR USE IN OLEFIN POLYMERIZATION
WO2018022249A1 (en) 2016-07-29 2018-02-01 Exxonmobil Chemical Patents Inc. Heterocyclic amido transition metal complexes, production and use thereof
US10975183B2 (en) 2016-09-09 2021-04-13 Exxonmobil Chemical Patents Inc. Pilot plant scale semi-condensing operation
JP7475139B2 (ja) 2016-09-28 2024-04-26 ダウ グローバル テクノロジーズ エルエルシー 特性が改善されたインフレーションフィルム
US20210276303A1 (en) 2016-09-30 2021-09-09 Dow Global Technologies Llc Resins for use as tie layers in multilayer films and multilayer films comprising the same
JP6974448B2 (ja) 2016-09-30 2021-12-01 ダウ グローバル テクノロジーズ エルエルシー ビス連結ホスファグアニジン第iv族金属錯体およびそれから製造されたオレフィン重合触媒
JP7123040B2 (ja) 2016-09-30 2022-08-22 ダウ グローバル テクノロジーズ エルエルシー 連鎖シャトリングに有用な多頭または二頭組成物の調製方法
US11028190B2 (en) 2016-09-30 2021-06-08 Dow Global Technologies Llc Bis-phosphaguanidine and poly-phosphaguanidine ligands with group IV metal catalysts produced therefrom
KR102444560B1 (ko) 2016-09-30 2022-09-20 다우 글로벌 테크놀로지스 엘엘씨 체인 셔틀링에 유용한 다중 또는 이중 헤드 구성 요소 및 이를 준비하는 과정
KR102606000B1 (ko) 2016-09-30 2023-11-27 다우 글로벌 테크놀로지스 엘엘씨 포스파구아니딘 4족 금속 올레핀 중합 촉매
TWI756272B (zh) 2016-09-30 2022-03-01 美商陶氏全球科技有限責任公司 適用於鏈梭移之封端多頭或雙頭組合物及其製備方法
ES2970349T3 (es) 2016-10-18 2024-05-28 Dow Global Technologies Llc Composiciones y estructuras de fundas extensibles multicapa
WO2018118258A1 (en) 2016-12-20 2018-06-28 Exxonmobil Chemical Patents Inc. Methods for controlling start up conditions in polymerization processes
US10626200B2 (en) 2017-02-28 2020-04-21 Exxonmobil Chemical Patents Inc. Branched EPDM polymers produced via use of vinyl transfer agents and processes for production thereof
US10676551B2 (en) 2017-03-01 2020-06-09 Exxonmobil Chemical Patents Inc. Branched ethylene copolymers produced via use of vinyl transfer agents and processes for production thereof
EP3596146B1 (en) 2017-03-15 2023-07-19 Dow Global Technologies LLC Catalyst system for multi-block copolymer formation
US11208502B2 (en) 2017-03-15 2021-12-28 Dow Global Technologies Llc Catalyst system for multi-block coploymer formation
SG11201908414YA (en) 2017-03-15 2019-10-30 Dow Global Technologies Llc Catalyst system for multi-block copolymer formation
SG11201908518VA (en) 2017-03-15 2019-10-30 Dow Global Technologies Llc Catalyst system for multi-block copolymer formation
JP7028885B2 (ja) 2017-03-15 2022-03-02 ダウ グローバル テクノロジーズ エルエルシー マルチブロックコポリマー形成用触媒系
AR111718A1 (es) 2017-04-19 2019-08-14 Dow Global Technologies Llc Estructuras de laminados y materiales de empaque flexibles que las incluyen
AR112245A1 (es) 2017-06-30 2019-10-09 Dow Global Technologies Llc Laminados y películas de polietileno multicapa para usar en materiales de envasado flexibles
AR112359A1 (es) 2017-06-30 2019-10-23 Dow Global Technologies Llc Laminados de polietileno para usar en materiales de embalaje flexibles
JP7221942B2 (ja) 2017-09-22 2023-02-14 ダウ グローバル テクノロジーズ エルエルシー 熱成形プロセス後の強化された靭性を有する熱成形フィルム組成物
ES2911503T3 (es) 2017-09-29 2022-05-19 Dow Global Technologies Llc Catalizadores de bis-fenil-fenoxi-poliolefina que tienen un ligando de metilentrialquilsilicio en el metal para mejorar la solubilidad
US11242415B2 (en) 2017-09-29 2022-02-08 Dow Global Technologies Llc Bis-phenyl-phenoxy polyolefin catalysts having an alkoxy- or amido-ligand on the metal for improved solubility
US11066489B2 (en) 2017-09-29 2021-07-20 Dow Global Technologies Llc Bis-phenyl-phenoxy polyolefin catalysts having two methylenetrialkylsilicon ligands on the metal for improved solubility
WO2019173598A1 (en) 2018-03-08 2019-09-12 Exxonmobil Chemical Patents Inc. Ethylene-propylene linear copolymers as viscosity modifiers
EP3762475B1 (en) 2018-03-08 2025-08-20 ExxonMobil Chemical Patents Inc. Ethylene-propylene branched copolymers as viscosity modifiers with enhanced fuel economy
BR112020019180A2 (pt) 2018-03-19 2021-01-05 Dow Global Technologies Llc Compostos organometálicos terminados em silício e processos para preparar os mesmos
CA3037503A1 (en) 2018-04-26 2019-10-26 Nova Chemicals Corporation Phosphinimine amido-ether complexes
CN112055720B (zh) 2018-05-02 2022-11-22 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
EP3788081B1 (en) 2018-05-02 2025-07-02 ExxonMobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
KR102835810B1 (ko) 2018-07-31 2025-07-21 다우 글로벌 테크놀로지스 엘엘씨 두자리 아졸릴아미도 금속-리간드 착물 및 올레핀 중합 촉매
US10807997B2 (en) 2018-08-28 2020-10-20 Exxonmobil Chemical Patents Inc. Methods for making quinolinyldiamines
SG11202101332PA (en) 2018-08-30 2021-04-29 Dow Global Technologies Llc Bis-phenyl-phenoxy polyolefin procatalysts having two anthracenyl ligands
US12590174B2 (en) 2018-12-28 2026-03-31 Dow Global Technologies Llc Curable compositions comprising telechelic polyolefins
SG11202107057WA (en) 2018-12-28 2021-07-29 Dow Global Technologies Llc Curable compositions comprising unsaturated polyolefins
EP3902867A4 (en) 2018-12-28 2022-09-14 Dow Global Technologies LLC CURABLE COMPOSITIONS CONTAINING UNSATURATED POLYOLEFINS
US12098160B2 (en) 2018-12-28 2024-09-24 Dow Global Technologies Llc Organometallic chain transfer agents
CN113454130B (zh) 2018-12-28 2024-12-13 陶氏环球技术有限责任公司 遥爪聚烯烃和用于制备遥爪聚烯烃的方法
JP7520872B2 (ja) 2019-03-26 2024-07-23 ダウ グローバル テクノロジーズ エルエルシー 多層フィルム、積層体、および多層フィルムを含む物品
WO2020264261A1 (en) 2019-06-28 2020-12-30 Dow Global Technologies Llc Bidentate diazinylamido complexes as catalysts for olefin polymerization
WO2021041406A1 (en) 2019-08-27 2021-03-04 Chevron Oronite Company Llc Ethylene copolymers and use as viscosity modifiers
EP4021976B1 (en) 2019-08-29 2023-09-20 Dow Global Technologies LLC Polymer blends having improved thermal properties
ES2967889T3 (es) 2019-10-01 2024-05-06 Nova Chem Int Sa Polimerización de alta productividad con catalizador de ligando de ariloxi éter
CA3150990A1 (en) 2019-10-01 2021-04-08 Nova Chemicals Corporation Control of unsaturation in polymers produced in solution process
WO2021242619A1 (en) 2020-05-27 2021-12-02 Dow Global Technologies Llc Polymer formulations and irrigation tubing including polymer formulations
CN116194492A (zh) 2020-07-17 2023-05-30 陶氏环球技术有限责任公司 用于限制几何构型主催化剂的烃基改性的甲基铝氧烷助催化剂
WO2022015369A1 (en) 2020-07-17 2022-01-20 Dow Global Technologies Llc Hydrocarbyl-modified methylaluminoxane cocatalysts for bis-phenylphenoxy metal-ligand complexes
US20240010770A1 (en) 2020-07-17 2024-01-11 Dow Global Technologies Llc Hydrocarbyl-modified methylaluminoxane cocatalysts for bis-phenylphenoxy metal-ligand complexes
KR20230039687A (ko) 2020-07-17 2023-03-21 다우 글로벌 테크놀로지스 엘엘씨 비스-페닐페녹시 금속-리간드 착물을 위한 히드로카르빌-개질된 메틸알루미녹산 공촉매
KR20230088387A (ko) 2020-10-15 2023-06-19 다우 글로벌 테크놀로지스 엘엘씨 6-아미노-n-아릴 아자인돌 리간드를 갖는 올레핀 중합 촉매
JP2024506482A (ja) 2021-01-25 2024-02-14 ダウ グローバル テクノロジーズ エルエルシー ビス-フェニルフェノキシ金属-配位子錯体のためのヒドロカルビル修飾メチルアルミノキサン共触媒
CA3235407A1 (en) 2021-10-21 2023-04-27 Univation Technologies, Llc Bimodal poly(ethylene-co-1-alkene) copolymer and blow-molded intermediate bulk containers made therefrom
CN114195925B (zh) * 2022-01-12 2023-05-26 万华化学集团股份有限公司 一种烯烃聚合物及溶液聚合方法
CN117624034A (zh) * 2022-08-16 2024-03-01 中国科学院化学研究所 一种制备线性低密度聚乙烯的硝基取代吡啶亚胺镍(ii)催化剂
WO2024081271A1 (en) 2022-10-11 2024-04-18 Dow Global Technologies Llc Polyethylene blends containing virgin and recycled hdpe materials
EP4587514A1 (en) 2022-10-11 2025-07-23 Dow Global Technologies LLC Bimodal hdpe and polyethylene blend containing virgin and recycled hdpe materials
WO2024129637A1 (en) 2022-12-12 2024-06-20 Univation Technologies, Llc Decreasing triboelectric charging of, and/or reactor fouling by, polyolefin particles
CN121548592A (zh) 2023-06-23 2026-02-17 尤尼威蒂恩技术有限责任公司 单反应器制备的双峰高密度聚乙烯共聚物及方法和制品
WO2025034361A1 (en) 2023-08-10 2025-02-13 Dow Global Technologies Llc Multimodal polyethylene compositions
WO2025101264A1 (en) 2023-11-09 2025-05-15 Dow Global Technologies Llc Multimodal polyethylene compositions
CN118047806B (zh) * 2024-02-26 2025-11-21 青岛科技大学 一种基于喹啉骨架的nn-两齿配位金属催化剂的制备方法与应用

Family Cites Families (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB880998A (en) 1962-01-01 1961-11-01 Dunlop Rubber Co Polymerisation of unsaturated aliph atic compounds and catalyst therefor
GB1400453A (en) 1971-07-21 1975-07-16 Ici Ltd Copolymerisation of olefins
US4508842A (en) 1983-03-29 1985-04-02 Union Carbide Corporation Ethylene polymerization using supported vanadium catalyst
US4897455A (en) 1985-06-21 1990-01-30 Exxon Chemical Patents Inc. Polymerization process
US4808561A (en) 1985-06-21 1989-02-28 Exxon Chemical Patents Inc. Supported polymerization catalyst
US4752597A (en) 1985-12-12 1988-06-21 Exxon Chemical Patents Inc. New polymerization catalyst
US4791180A (en) 1985-12-12 1988-12-13 Exxon Chemical Patents Inc. New polymerization catalyst
US5077255A (en) 1986-09-09 1991-12-31 Exxon Chemical Patents Inc. New supported polymerization catalyst
JP2618384B2 (ja) 1986-12-27 1997-06-11 三井石油化学工業株式会社 オレフイン重合用固体触媒およびその製法
WO1988008432A1 (fr) 1987-04-20 1988-11-03 Mitsui Petrochemical Industries, Ltd. Catalyseur et procede de polymerisation d'olefines
US5206199A (en) 1987-04-20 1993-04-27 Mitsui Petrochemical Industries, Ltd. Catalyst for polymerizing an olefin and process for polymerizing an olefin
US5026797A (en) 1987-10-22 1991-06-25 Mitsubishi Petrochemical Co., Ltd. Process for producing ethylene copolymers
JPH0669244B2 (ja) 1987-11-06 1994-08-31 住友電気工業株式会社 磁気浮上搬送方式
DE3886907D1 (de) * 1987-11-30 1994-02-17 Dow Chemical Co Mit von Tetrakis-(dialkylamid und diarylamid)titanium-Derivaten hergestellte Katalysatoren und Olefinpolymerisation mit denselben.
US5340786A (en) 1988-02-12 1994-08-23 Mitsui Petrochemical Industries, Ltd. Olefin polymerization catalyst and process for the polymerization of olefins
US5147949A (en) 1988-03-29 1992-09-15 Exxon Chemical Patents Inc. Polymerization process using a silica gel supported metallocene-alumoxane catalyst
US5086025A (en) 1988-03-29 1992-02-04 Exxon Chemical Patents Inc. Method for preparing a silica gel supported metallocene-alumoxane catalyst
US5008228A (en) 1988-03-29 1991-04-16 Exxon Chemical Patents Inc. Method for preparing a silica gel supported metallocene-alumoxane catalyst
US5039766A (en) * 1988-06-28 1991-08-13 Sumitomo Chemical Company, Limited Liquid catalyst component, catalyst system containing said component and process for producing ethylene-alpha-olefin copolymer using said catalyst system
US4845067A (en) 1988-07-01 1989-07-04 Union Carbide Corporation Catalyst for regulating the molecular weight distribution of ethylene polymers
US4914253A (en) 1988-11-04 1990-04-03 Exxon Chemical Patents Inc. Method for preparing polyethylene wax by gas phase polymerization
US5086024A (en) 1988-12-02 1992-02-04 Texas Alkyls, Inc. Catalyst system for polymerization of olefins
US4999327A (en) 1988-12-30 1991-03-12 Union Carbide Chemicals And Plastics Company Inc. Catalyst for regulating the molecular weight distribution of ethylene polymers
FR2656314B1 (fr) 1989-12-22 1992-04-17 Bp Chemicals Snc Catalyseur a base de zirconium supporte sur du chlorure de magnesium, procede de preparation et utilisation du catalyseur dans la polymerisation des olefines.
JPH0445110A (ja) 1990-06-12 1992-02-14 Japan Synthetic Rubber Co Ltd エチレン系共重合体の製造方法
WO1992012162A1 (en) * 1990-12-27 1992-07-23 Exxon Chemical Patents Inc. An amido transition metal compound and a catalyst system for the production of isotactic polypropylene
JPH04285607A (ja) * 1991-03-15 1992-10-09 Sumitomo Chem Co Ltd エチレン−α−オレフィン共重合体の製造方法
DE59204800D1 (de) 1991-05-27 1996-02-08 Hoechst Ag Verfahren zur Herstellung von syndiotaktischen Polyolefinen mit breiter Molmassenverteilung
EP0702030B1 (de) 1991-05-27 2001-03-21 TARGOR GmbH Verfahren zur Herstellung von Polyolefinen mit breiter Molmassenverteilung
US5155079A (en) 1991-06-07 1992-10-13 Quantum Chemical Corporation Multiple site olefin polymerization catalysts
US5308815A (en) 1991-07-26 1994-05-03 Ethyl Corporation Heterogeneous methylaluminoxane catalyst system
EP0552945B1 (en) 1992-01-23 1997-05-07 Mitsui Petrochemical Industries, Ltd. Process for the preparation of polyolefin
EP0578838A1 (en) 1992-04-29 1994-01-19 Hoechst Aktiengesellschaft Olefin polymerization catalyst, process for its preparation, and its use
US5240894A (en) 1992-05-18 1993-08-31 Exxon Chemical Patents Inc. Method for making and using a supported metallocene catalyst system
ES2100388T3 (es) 1992-05-26 1997-06-16 Hoechst Ag Procedimiento para preparar ceras de poliolefina.
US5434116A (en) 1992-06-05 1995-07-18 Tosoh Corporation Organic transition metal compound having π-bonding heterocyclic ligand and method of polymerizing olefin by using the same
US5420220A (en) 1993-03-25 1995-05-30 Mobil Oil Corporation LLDPE films
US5332706A (en) 1992-12-28 1994-07-26 Mobil Oil Corporation Process and a catalyst for preventing reactor fouling
GB9300934D0 (en) 1993-01-19 1993-03-10 Bp Chem Int Ltd Metallocene complexes
PT619325E (pt) 1993-04-07 2002-02-28 Atofina Res Processo e catalisadores para a producao de olefinas
JP3077940B2 (ja) 1993-04-26 2000-08-21 エクソン・ケミカル・パテンツ・インク 流動層重合法のための安定な操作条件を決定する方法
US5422325A (en) 1993-09-17 1995-06-06 Exxon Chemical Patents Inc. Supported polymerization catalysts, their production and use
US5466649A (en) 1993-10-15 1995-11-14 Exxon Chemical Patents Inc. Polymerization catalyst systems, their production and use
JP3390446B2 (ja) * 1993-10-21 2003-03-24 モービル・オイル・コーポレーション 高分子量成分及び低分子量成分を含む樹脂組成物
US5595950A (en) 1993-12-20 1997-01-21 Exxon Chemical Patents, Inc. Polymerization catalyst systems, their production and use
US5468702A (en) 1994-07-07 1995-11-21 Exxon Chemical Patents Inc. Method for making a catalyst system
FI97632B (fi) 1995-01-23 1996-10-15 Ev Group Oy Menetelmä kudosten, erityisesti paperikoneen kudosten, pesemiseksi
EP0805826B1 (en) * 1995-01-24 2003-04-23 E.I. Du Pont De Nemours And Company Olefin polymers
JPH11503063A (ja) 1995-03-08 1999-03-23 シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー 触媒組成物における架橋ビスアミド第4族金属化合物
US5637660A (en) * 1995-04-17 1997-06-10 Lyondell Petrochemical Company Polymerization of α-olefins with transition metal catalysts based on bidentate ligands containing pyridine or quinoline moiety
US5519099A (en) 1995-06-07 1996-05-21 Industrial Technology Research Institute Organometallic catalysts containing hydrotris(pyrazolyl) borate and cyclopentadienyl groups, and processes of employing the same
US5714556A (en) * 1995-06-30 1998-02-03 E. I. Dupont De Nemours And Company Olefin polymerization process
IT1275777B1 (it) 1995-07-06 1997-10-17 Enichem Spa Catalizzatore metallocenico per la (co)polimerizzazione delle olefine
ID16442A (id) * 1996-01-22 1997-10-02 Dow Chemical Co Polimer etilena berat molekul ultra rendah
DE19616523A1 (de) * 1996-04-25 1997-11-06 Basf Ag Polymerisationskatalysatoren mit beta-Diketiminat-Liganden
FI102476B (fi) * 1996-05-31 1998-12-15 Borealis As Uudet siirtymämetallikompleksit ja menetelmä niiden valmistamiseksi
GB9708487D0 (en) 1997-04-25 1997-06-18 Bp Chem Int Ltd Novel catalysts for olefin polymerisation
US6103657A (en) 1997-07-02 2000-08-15 Union Carbide Chemicals & Plastics Technology Corporation Catalyst for the production of olefin polymers
US6136748A (en) * 1997-07-02 2000-10-24 Union Carbide Chemicals & Plastics Technology Corporation Catalyst composition for the polymerization of olefins
US6117959A (en) * 1998-09-02 2000-09-12 Eastman Chemical Company Polyolefin catalysts

Also Published As

Publication number Publication date
US6320002B1 (en) 2001-11-20
EP0993464A1 (en) 2000-04-19
WO1999001460A1 (en) 1999-01-14
ZA985782B (en) 1999-01-21
US6320005B1 (en) 2001-11-20
AR016297A1 (es) 2001-07-04
TW467921B (en) 2001-12-11
AU735915B2 (en) 2001-07-19
EP0993464B1 (en) 2003-04-16
CA2295215C (en) 2005-05-17
CA2295215A1 (en) 1999-01-14
US20020065379A1 (en) 2002-05-30
BR9810213B1 (pt) 2010-05-04
US6265513B1 (en) 2001-07-24
BR9810213A (pt) 2001-10-02
JP3491761B2 (ja) 2004-01-26
JP2001524162A (ja) 2001-11-27
DE69813556T2 (de) 2004-01-29
ATE237622T1 (de) 2003-05-15
US6610627B2 (en) 2003-08-26
US6103657A (en) 2000-08-15
AU8380698A (en) 1999-01-25
DE69813556D1 (de) 2003-05-22

Similar Documents

Publication Publication Date Title
ES2191946T3 (es) Catalizador para la produccion de polimeros de olefinas.
BR9810761A (pt) Catalisador para a produção de polìmeros de olefinas
AR019813A1 (es) Compuestos utiles como activadores de catalizadores, composiciones catalizadoras para la polimerizacion de olefinas que incluyen dichos compuestos yprocedimiento de polimerizacion
Ho et al. Blue luminescent zinc (II) complexes with polypyridylamine ligands: crystal structures and luminescence properties
ES460188A1 (es) Un procedimiento para preparar un polimero o copolimero de una olefina que contiene al menos tres atomos de carbono.
AR029750A1 (es) Un procedimiento de polimerizacion de olefinas de fase gaseosa o de suspension, un metodo para producir una pelicula, un metodo para preparar un compuesto metalico y un aducto de metal, un producto de reaccion y una composicion de catalizador
AR025728A1 (es) Un sistema catalizador y un procedimiento para la polimerizacion de olefinas
AR030040A1 (es) Complejos de metales del grupo 4 sustituidos; composiciones catalizadoras formuladas con dichos complejos; procedimientos de polimerizacion de monomeros polimerizables por adicion utilizando dichos monomeros y compuestos precursores de la fraccion ciclica de dichos complejos
KR910006335A (ko) 올레핀 중합 촉매
RU94009839A (ru) Катализатор полимеризации олефинов
ATE459377T1 (de) Festphase fluorierung von uracil
KR950700335A (ko) 중합 방법(polymerization process)
HRPK20030233B3 (en) Process for the preparation of substituted phenylacetonitriles
MY145327A (en) Novel phosphazene-supported catalyst, novel compound thereof and use thereof
PT1290034E (pt) Novo tipo de produto de amido cationico sua preparacao e utilizacao
CU33794A (es) Nuevos derivados cíclicos de urea, sus sales y proceso para la producción de las mismas.
KR900012956A (ko) 알파-올레핀과 일산화탄소의 공중합체 및 그의 제조방법
CO5540339A2 (es) Proceso para la preparacion de derivados de ciclohexanol
KR900011791A (ko) 신규촉매 조성물 및 이들의 제조방법
KR910020039A (ko) Viii족 금속 및 헥사키스포스핀을 함유하는 촉매 조성물 및 그로써 공중합체를 제조하는 방법
ES474759A1 (es) Procedimiento de produccion de 3',4'-didesoxikanamicina b.
ATE222258T1 (de) Herstellung von phosphin-liganden
GB1265631A (es)
EP1403268A4 (en) FLUORESCENT PROBE FOR ZINC
ES2101024T3 (es) Metodo para preparar polimeros de monoxido de carbono y compuestos insaturados.