ES2118952T3 - Empleo de la variacion de la relacion de mg:ti en un catalizador para variar o controlar la distribucion de ramificacion de cadena corta de copolimeros de etileno. - Google Patents

Empleo de la variacion de la relacion de mg:ti en un catalizador para variar o controlar la distribucion de ramificacion de cadena corta de copolimeros de etileno.

Info

Publication number
ES2118952T3
ES2118952T3 ES93908549T ES93908549T ES2118952T3 ES 2118952 T3 ES2118952 T3 ES 2118952T3 ES 93908549 T ES93908549 T ES 93908549T ES 93908549 T ES93908549 T ES 93908549T ES 2118952 T3 ES2118952 T3 ES 2118952T3
Authority
ES
Spain
Prior art keywords
support material
mixing
time sufficient
temperature
titanium compound
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
ES93908549T
Other languages
English (en)
Inventor
Lee Spencer
Brian W S Kolthammer
Miriam P Ripplinger
Jeffrey J Wooster
Pak-Wing Steve Chum
Jacqueline Ann Degroot
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of ES2118952T3 publication Critical patent/ES2118952T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
    • C08F4/652—Pretreating with metals or metal-containing compounds
    • C08F4/655—Pretreating with metals or metal-containing compounds with aluminium or compounds thereof
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/91—Product with molecular orientation
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers

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)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

UN CATALIZADOR QUE CONTIENE UN METAL DE TRANSICION UTIL PARA LA POLIMERIZACION {AL}-OLEFINAS, QUE SE PREPARA MEDIANTE (A) FORMAR EN UN ATMOSFERA INERTE QUE EXCLUYE OXIGENO Y HUMEDAD, UN LODO DE (1) UN MATERIAL DE SOPORTE DE OXIDO INORGANICO POROSO SELECCIONADO DEL GRUPO QUE CONSTA DE SILICES, ALUMINIOS, O UNA COMBINACION DE LOS MISMOS, CONTENIENDO DICHO MATERIAL DE SOPORTE NO MAS DE APROX, 5 MILIMOLES DE GRUPOS DE HIDROXIL POR GRAMO DE MATERIAL DE SOPORTE, Y UN TAMAÑO DE PARTICULA MENOR A APROX. 10 MICRONOS Y UN AREA DE SUPERFICIE DE APROX. 50 A 800 M{SUP,2}/G EN UN MEDIO LIQUIDO ORGANICO INERTE; (B) MEZCLAR DICHO LODO CON (2) UN ALCOXIDO Y MEZCLAR LA MEZCLA RESULTANTE A UNA TEMPERATURA DE APROX. -20 A 120 GRADOS C DURANTE UN TIEMPO SUFICIENTE PARA SATURAR LA SUPERFICIE DEL MATERIAL DE SOPORTE; (C) MEZCLAR EL PRODUCTO DE (B) CON (3) UN COMPUESTO DE TITANIO O UNA COMBINACION DE UN COMPUESTO DE TITANIO, Y (4) UN COMPUESTO DE VANADIO Y MEZCLAR LA MEZCLA RESULTANTE A UNA TEMPERATURA DE APROX. -20 A 120 GRADOS C DURANTE UN TIEMPO SUFICIENTE PARA PERMITIR LA REACCION COMPLETA DEL COMPUESTO DE TITANIO Y DEL COMPUESTO DE VANADIO CON LAS MITADES DE ORGANOMAGNESIO QUE PERMANECEN EN EL SOPORTE SOLIDO; (D) MEZCLAR EL PRODUCTO DE (C) CON UNA SOLUCION ORGANICA INERTE DE (5) UN GRUPO HALIDO DE ALQUILO DE METAL DEL GRUPO IIIA A UNA TEMPERATURA DE APROX. -20 A 120 GRADOS C DURANTE UN TIEMPO SUFICIENTE PARA COMPLETAR LA REDUCCION DE LOS COMPUESTOS DE TITANIO Y VANADIO SI ESTE SE ENCUENTRA PRESENTE, A SU ESTADO DE OXIDACION FINAL. COPOLIMEROS DE ETILENO/ALFAOLEFIN QUE TIENEN UNA FRACCION DE ALTA DENSIDAD, MAYOR AL 17% Y UN INDICE M{SUBW}/M{SUB,N} MENOR A APROX. 3.6 QUE MUESTRAN SU UTILIDAD PARA PRODUCIR PELICULAS DE MOLDEADO QUE POSEEN UNA ESTIRABILIDAD Y RESISTENCIA A LA PERFORACION ELEVADAS. LOS COPOLIMEROS DE LA PRESENTE INVENCION CON LAS PROPIEDADES ESPECIFICADAS SON ESPECIALMENTE UTILES PARA FABRICAR PELICULAS.
ES93908549T 1992-03-20 1993-03-17 Empleo de la variacion de la relacion de mg:ti en un catalizador para variar o controlar la distribucion de ramificacion de cadena corta de copolimeros de etileno. Expired - Lifetime ES2118952T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/854,175 US5231151A (en) 1991-01-18 1992-03-20 Silica supported transition metal catalyst

Publications (1)

Publication Number Publication Date
ES2118952T3 true ES2118952T3 (es) 1998-10-01

Family

ID=25317940

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93908549T Expired - Lifetime ES2118952T3 (es) 1992-03-20 1993-03-17 Empleo de la variacion de la relacion de mg:ti en un catalizador para variar o controlar la distribucion de ramificacion de cadena corta de copolimeros de etileno.

Country Status (12)

Country Link
US (3) US5231151A (es)
EP (1) EP0705282B1 (es)
JP (3) JP3306663B2 (es)
KR (1) KR100256460B1 (es)
AT (1) ATE169034T1 (es)
AU (2) AU677184B2 (es)
CA (1) CA2132447C (es)
DE (1) DE69320070T2 (es)
ES (1) ES2118952T3 (es)
FI (1) FI111376B (es)
TW (1) TW327177B (es)
WO (1) WO1993019105A2 (es)

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6747113B1 (en) 1991-01-18 2004-06-08 The Dow Chemical Company Silica supported transition metal catalyst
US6172173B1 (en) 1991-01-18 2001-01-09 The Dow Chemical Company Silica supported transition metal catalyst
US5231151A (en) * 1991-01-18 1993-07-27 The Dow Chemical Company Silica supported transition metal catalyst
US6291384B1 (en) 1991-11-06 2001-09-18 Mobil Oil Corporation High activity catalyst prepared with alkoxysilanes
US5470812A (en) * 1991-11-06 1995-11-28 Mobil Oil Corporation High activity polyethylene catalysts prepared with alkoxysilane reagents
US5939348A (en) * 1991-11-06 1999-08-17 Mobil Oil Corporation Catalyst for the manufacture of polythylene with a narrow molecular weight distribution
US6448341B1 (en) 1993-01-29 2002-09-10 The Dow Chemical Company Ethylene interpolymer blend compositions
CZ288678B6 (cs) * 1993-01-29 2001-08-15 The Dow Chemical Company Způsob přípravy ethylen/alfa-olefinových interpolymerních kompozic
WO1995014045A1 (en) * 1993-11-18 1995-05-26 Mobil Oil Corporation A catalyst composition for the copolymerization of ethylene
KR100328682B1 (ko) * 1994-06-21 2002-08-08 에스케이 주식회사 에틸렌중합체제조용촉매의제조방법과이를이용한에틸렌중합체의제조방법
US7153909B2 (en) * 1994-11-17 2006-12-26 Dow Global Technologies Inc. High density ethylene homopolymers and blend compositions
US5579384A (en) * 1995-02-17 1996-11-26 Bellsouth Corporation Telecommunications network service central management system interfacing with protocol specific regional stations providing services to subscribers
WO1997007887A1 (en) * 1995-08-24 1997-03-06 Quantum Chemical Corporation Supported polymerization catalyst component and system
JPH09309926A (ja) * 1996-05-17 1997-12-02 Dow Chem Co:The エチレン共重合体の製造方法
US7569285B2 (en) * 1996-10-17 2009-08-04 The Trustees Of Princeton University Enhanced bonding layers on titanium materials
US7396594B2 (en) * 2002-06-24 2008-07-08 The Trustees Of Princeton University Carrier applied coating layers
US6146767A (en) * 1996-10-17 2000-11-14 The Trustees Of Princeton University Self-assembled organic monolayers
US7815963B2 (en) 1996-10-17 2010-10-19 The Trustees Of Princeton University Enhanced bonding layers on titanium materials
US6645644B1 (en) 1996-10-17 2003-11-11 The Trustees Of Princeton University Enhanced bonding of phosphoric and phosphoric acids to oxidized substrates
US7507483B2 (en) * 1997-02-04 2009-03-24 Jeffrey Schwartz Enhanced bonding layers on native oxide surfaces
US6034186A (en) * 1997-05-16 2000-03-07 Phillips Petroleum Company Olefin polymerization processes and products thereof
US6153551A (en) 1997-07-14 2000-11-28 Mobil Oil Corporation Preparation of supported catalyst using trialkylaluminum-metallocene contact products
TW457317B (en) 1998-11-06 2001-10-01 Bridgestone Corp Resin net and its production method, and drawn product of polyethylene based resin
CZ291246B6 (cs) * 1999-06-16 2003-01-15 Kaučuk, A. S. Způsob výroby polystyrenu s převáľně syndiotaktickou strukturou
US6362270B1 (en) 1999-08-12 2002-03-26 The Dow Chemical Company Thermoplastic compositions for durable goods applications
US20060194008A1 (en) * 1999-09-22 2006-08-31 Princeton University Devices with multiple surface functionality
US6696380B2 (en) 2000-01-12 2004-02-24 Darryl Stephen Williams Procatalysts, catalyst systems, and use in olefin polymerization
US6465383B2 (en) 2000-01-12 2002-10-15 Eastman Chemical Company Procatalysts, catalyst systems, and use in olefin polymerization
CA2396736A1 (en) 2000-01-12 2001-07-19 Eastman Chemical Company Procatalysts comprising bidentate ligands, catalyst systems, and use in olefin polymerization
US6593438B2 (en) * 2000-12-04 2003-07-15 Univation Technologies, Llc Catalyst composition and method of polymerization
CN1639067B (zh) * 2002-03-04 2011-01-19 阿克佐诺贝尔股份有限公司 含四氯化钛的废料流的处理
US6677266B1 (en) 2002-07-09 2004-01-13 Eastman Chemical Company Process for preparing a vanadium/titanium catalyst and use in olefin polymerization
US6846884B2 (en) * 2002-09-27 2005-01-25 Union Carbide Chemicals & Plastics Technology Corporation Control of resin properties
US7666410B2 (en) * 2002-12-20 2010-02-23 Kimberly-Clark Worldwide, Inc. Delivery system for functional compounds
AU2003287466A1 (en) * 2003-02-11 2004-09-06 Princeton University Surface-bonded, organic acid-based mono-layers
US7067169B2 (en) * 2003-06-04 2006-06-27 Chemat Technology Inc. Coated implants and methods of coating
US7837663B2 (en) 2003-10-16 2010-11-23 Kimberly-Clark Worldwide, Inc. Odor controlling article including a visual indicating device for monitoring odor absorption
US7488520B2 (en) 2003-10-16 2009-02-10 Kimberly-Clark Worldwide, Inc. High surface area material blends for odor reduction, articles utilizing such blends and methods of using same
US7413550B2 (en) 2003-10-16 2008-08-19 Kimberly-Clark Worldwide, Inc. Visual indicating device for bad breath
US7438875B2 (en) * 2003-10-16 2008-10-21 Kimberly-Clark Worldwide, Inc. Method for reducing odor using metal-modified silica particles
US7879350B2 (en) * 2003-10-16 2011-02-01 Kimberly-Clark Worldwide, Inc. Method for reducing odor using colloidal nanoparticles
US7678367B2 (en) * 2003-10-16 2010-03-16 Kimberly-Clark Worldwide, Inc. Method for reducing odor using metal-modified particles
US7582485B2 (en) * 2003-10-16 2009-09-01 Kimberly-Clark Worldride, Inc. Method and device for detecting ammonia odors and helicobacter pylori urease infection
US7754197B2 (en) * 2003-10-16 2010-07-13 Kimberly-Clark Worldwide, Inc. Method for reducing odor using coordinated polydentate compounds
US7794737B2 (en) * 2003-10-16 2010-09-14 Kimberly-Clark Worldwide, Inc. Odor absorbing extrudates
WO2006043985A1 (en) 2004-06-16 2006-04-27 Dow Global Technologies Inc. Method for identifying ziegler-natta cocatalyst
RU2377256C2 (ru) 2004-08-09 2009-12-27 Юнион Карбайд Кемикалз Энд Пластикс Текнолоджи Ллс Твердый высушенный распылением прокатализатор циглера-натта и способ полимеризации, в котором он используется
US20110166305A1 (en) * 2004-08-09 2011-07-07 Jorgensen Robert J Robust Spray-Dried Ziegler-Natta Procatalyst and Polymerization Process Employing Same
CN101090926B (zh) * 2004-12-03 2011-06-29 陶氏环球技术公司 木纤维塑料复合材料
US7763061B2 (en) * 2004-12-23 2010-07-27 Kimberly-Clark Worldwide, Inc. Thermal coverings
US7338516B2 (en) * 2004-12-23 2008-03-04 Kimberly-Clark Worldwide, Inc. Method for applying an exothermic coating to a substrate
US20060142712A1 (en) * 2004-12-23 2006-06-29 Kimberly-Clark Worldwide, Inc. Absorbent articles that provide warmth
US20060147685A1 (en) * 2004-12-30 2006-07-06 Kimberly-Clark Worldwide, Inc. Multilayer film structure with higher processability
US20060188678A1 (en) * 2005-02-21 2006-08-24 Ohlsson Stefan B Multi-layer polyethylene films
KR101369388B1 (ko) 2005-11-14 2014-03-06 바이오메트 쓰리아이 엘엘씨 임플란트 표면상에 이산 나노입자의 증착방법
US20080287634A1 (en) * 2005-11-23 2008-11-20 Jesus Nieto Heterogeneous, Compositionally Phase Separated, Ethylene Alphaolefin Interpolymers
EP1803747A1 (en) 2005-12-30 2007-07-04 Borealis Technology Oy Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films
US7837955B2 (en) * 2006-03-08 2010-11-23 Unimin Corporation Continuous reactor system for anoxic purification
US7977103B2 (en) 2006-04-20 2011-07-12 Kimberly-Clark Worldwide, Inc. Method for detecting the onset of ovulation
AU2006348445B2 (en) 2006-09-21 2011-03-10 Union Carbide Chemicals & Plastics Technology Llc Method of controlling properties in multimodal systems
US7981517B2 (en) * 2007-08-28 2011-07-19 Dow Global Technologies Inc. Bituminous compositions and methods of making and using same
JP5806466B2 (ja) 2008-01-28 2015-11-10 バイオメット・３アイ・エルエルシー 親水性を向上させたインプラント表面
BRPI0922454A2 (pt) 2008-12-18 2018-05-22 Univation Tech Llc método para tratamento de leito de semente para uma reação de polimerização
US9206303B2 (en) 2009-03-31 2015-12-08 Dow Global Technologies Llc Film made from heterogenous ethylene/alpha-olefin interpolymer
US8641418B2 (en) 2010-03-29 2014-02-04 Biomet 3I, Llc Titanium nano-scale etching on an implant surface
EP2585292A1 (en) 2010-06-24 2013-05-01 Dow Global Technologies LLC Electronic device module comprising heterogeneous polyolefin copolymer and optionally silane
CN102441383B (zh) * 2010-10-12 2013-06-19 中国石油化工股份有限公司 负载型铁基合成气制低碳烯烃催化剂的制备方法
CN102441392B (zh) * 2010-10-12 2013-06-19 中国石油化工股份有限公司 一种低成本高活性钴基费托合成催化剂的制备方法
CN102441389B (zh) * 2010-10-12 2013-10-09 中国石油化工股份有限公司 一种用于费托合成的钴基催化剂制备方法
CN102441391B (zh) * 2010-10-12 2013-10-09 中国石油化工股份有限公司 一种钴基费托合成催化剂的制备方法
CN102441390B (zh) * 2010-10-13 2013-04-10 中国石油化工股份有限公司 环保型钴基费托合成催化剂的制备方法
CN102441378B (zh) * 2010-10-13 2013-08-28 中国石油化工股份有限公司 一种直链烷烃脱氢催化剂及其制备方法
CN102451714B (zh) * 2010-10-15 2013-05-01 中国石油化工股份有限公司 选择性加氢催化剂及其制备方法
CN102451685B (zh) * 2010-10-15 2014-01-01 中国石油化工股份有限公司 一种选择性加氢催化剂及其制备方法
DK2681275T3 (en) 2011-03-04 2017-09-04 Total Res & Technology Feluy PROCEDURE FOR CREATING ZIEGLER-NATTA-PRODUCED POLYETHYLEN MIXTURES
ES2687676T3 (es) 2011-03-08 2018-10-26 Dow Global Technologies Llc Proceso para reciclar disolvente usado en una reacción de polimerización basada en etileno
CA2734167C (en) 2011-03-15 2018-03-27 Nova Chemicals Corporation Polyethylene film
WO2013142118A1 (en) 2012-03-20 2013-09-26 Biomet 3I, Llc Surface treatment for an implant surface
CA2798855C (en) 2012-06-21 2021-01-26 Nova Chemicals Corporation Ethylene copolymers having reverse comonomer incorporation
US9115233B2 (en) 2012-06-21 2015-08-25 Nova Chemicals (International) S.A. Ethylene copolymer compositions, film and polymerization processes
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
WO2014105614A1 (en) 2012-12-28 2014-07-03 Univation Technologies, Llc Methods of integrating aluminoxane production into catalyst production
CN114957529A (zh) 2014-04-02 2022-08-30 尤尼威蒂恩技术有限责任公司 连续性组合物及其制备和使用方法
CN107428875B (zh) 2015-03-10 2021-02-26 尤尼威蒂恩技术有限责任公司 喷雾干燥催化剂组合物、制备方法以及在烯烃聚合工艺中的用途
SG11201708626SA (en) 2015-04-27 2017-11-29 Univation Tech Llc Supported catalyst compositions having improved flow properties and preparation thereof
WO2021207297A1 (en) * 2020-04-07 2021-10-14 North Carolina State University Parahydrogen hyperpolarization membrane reactor

Family Cites Families (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1016022B (de) * 1954-01-19 1957-09-19 Dr Dr E H Karl Ziegler Verfahren zur Herstellung von hochmolekularen Polyaethylenen
DE973626C (de) * 1953-11-17 1960-04-14 Karl Dr Dr E H Ziegler Verfahren zur Herstellung von hochmolekularen Polyaethylenen
CA849081A (en) * 1967-03-02 1970-08-11 Du Pont Of Canada Limited PRODUCTION OF ETHYLENE/.alpha.-OLEFIN COPOLYMERS OF IMPROVED PHYSICAL PROPERTIES
FR2082153A5 (fr) * 1970-03-05 1971-12-10 Solvay Catalyseurs et procede perfectionnes pour la polymerisation et la copolymerisation des olefines
JPS5112313B2 (es) * 1972-09-01 1976-04-17
JPS51119069A (en) * 1975-03-20 1976-10-19 Nippon Oil Co Ltd Method of producing permeable film
DE2553179A1 (de) * 1975-11-27 1977-06-08 Hoechst Ag Verfahren zur herstellung eines katalysators
JPS5952643B2 (ja) * 1977-01-27 1984-12-20 三井化学株式会社 エチレン共重合体
NL7702323A (nl) * 1977-03-04 1978-09-06 Stamicarbon Katalysator voor de bereiding van polyalkenen.
US4243619A (en) * 1978-03-31 1981-01-06 Union Carbide Corporation Process for making film from low density ethylene hydrocarbon copolymer
US4198038A (en) * 1978-08-21 1980-04-15 T. E. Co. Device for clamping a workpiece to a supporting surface
GB2053939A (en) * 1979-07-17 1981-02-11 British Petroleum Co Oxide supported vanadium halide catalyst components
US4446288A (en) * 1981-05-05 1984-05-01 Chemplex Company Polymerization method
DE3277120D1 (en) * 1981-06-09 1987-10-08 Mitsubishi Chem Ind Process for producing porous film or sheet
US4478988A (en) * 1981-07-29 1984-10-23 Chemplex Company Polymerization method
US4374753A (en) * 1981-07-29 1983-02-22 Chemplex Company Polymerization catalyst and method
US4451574A (en) * 1981-09-30 1984-05-29 Exxon Research & Engineering Co. Polymerization catalyst
US4481301A (en) * 1981-12-04 1984-11-06 Mobil Oil Corporation Highly active catalyst composition for polymerizing alpha-olefins
FR2526803A1 (fr) * 1982-05-14 1983-11-18 Charbonnages Ste Chimique Compositions de polymeres d'ethylene et application a la fabrication de films
IT1151627B (it) * 1982-06-10 1986-12-24 Anic Spa Procedimento per la preparazione di copolimeri dell'etilene con basso valore delle densita'
US4522987A (en) * 1982-07-09 1985-06-11 Phillips Petroleum Company Low density polyethylene
US4526943A (en) * 1982-07-29 1985-07-02 The Dow Chemical Company Process for polymerizing olefins in the presence of a catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and transition metal compound
US4544647A (en) * 1982-07-29 1985-10-01 The Dow Chemical Company Catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and transition metal compound
US4426316A (en) * 1982-09-10 1984-01-17 The Dow Chemical Company Catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and transition metal compound
JPS5975908A (ja) * 1982-10-25 1984-04-28 Mitsui Petrochem Ind Ltd エチレンとα−オレフインとの共重合体
US4593009A (en) * 1984-04-04 1986-06-03 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefins
US4672096A (en) * 1984-04-04 1987-06-09 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefins
US4558024A (en) * 1984-08-06 1985-12-10 Exxon Research & Engineering Co. Polymerization catalyst, production and use
US4783512A (en) * 1985-05-20 1988-11-08 The Dow Chemical Company Process for polymerizing olefins in the presence of a catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and transition metal compound
US4612300A (en) * 1985-06-06 1986-09-16 The Dow Chemical Company Novel catalyst for producing relatively narrow molecular weight distribution olefin polymers
US4661465A (en) * 1985-10-31 1987-04-28 The Dow Chemical Company Method for preparing transition metal component of Ziegler-Natta catalysts
US4677087A (en) * 1986-01-03 1987-06-30 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefin polymers of relatively narrow molecular weight distribution
FR2597486B1 (fr) 1986-04-18 1992-09-11 Chemopetrol Koncernova Ucelova Catalyseur et procede pour la production de polymeres et de copolymeres de 1-alcenes.
JPH0725817B2 (ja) * 1986-04-23 1995-03-22 日本石油株式会社 オレフイン重合用触媒
EP0253667B1 (en) * 1986-07-16 1992-05-20 Sumitomo Chemical Company, Limited Breathable film and process for production of the same
JPH0645731B2 (ja) * 1986-07-28 1994-06-15 日本合成ゴム株式会社 エチレン系共重合体組成物
JPS6467326A (en) * 1987-09-09 1989-03-14 Toa Nenryo Kogyo Kk Manufacture of crosslinking oriented polyethylene film
US4918038A (en) * 1987-10-29 1990-04-17 Union Carbide Chemicals And Plastics Company Inc. Process for the production of polyethylene with a broad and/or bimodal molecular weight distribution
US4980330A (en) * 1988-01-09 1990-12-25 The Dow Chemical Company Polymerization of olefins in the presence of a catalyst prepared from an inorganic oxide which has not been heat or chemically treated, organomagnesium compound, organic hydroxyl-containing compound, reducing halide and transition metal compound
US4910272A (en) * 1988-01-09 1990-03-20 The Dow Chemical Company Polymerization of olefins in the presence of a catalyst prepared from an inorganic oxide which has not been heat or chemically treated, organomagnesium compound, organic hydroxyl-containing compound, reducing halide and transition metal compound
US4849389A (en) * 1988-01-14 1989-07-18 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefin polymers of narrow molecular weight distribution
US4833111A (en) * 1988-01-14 1989-05-23 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefin polymers of narrow molecular weight distribution
US4894265A (en) * 1988-01-15 1990-01-16 Free-Flow Packaging Corporation Bubble-type cushioning and packaging sheet and method of manufacture
EP0327402A3 (en) * 1988-02-05 1990-10-10 Tonen Chemical Corporation Gas-permeable, waterproof composite sheet
JPH01225550A (ja) * 1988-03-04 1989-09-08 Kureha Chem Ind Co Ltd 熱収縮性多層フィルム
US4849267A (en) * 1988-04-29 1989-07-18 Collins & Aikman Corporation Foam backed carpet with adhesive release surface and method of installing same
JP2800283B2 (ja) * 1988-07-11 1998-09-21 住友化学工業株式会社 エチレン−αオレフィン共重合体及びそのフィルム
IT1227333B (it) * 1988-08-04 1991-04-08 Ciba Geigy Spa Composti contenenti gruppi piperidinici sostituiti atti all'impiego come stabilizzanti per materiali organici
MX172629B (es) * 1988-12-16 1994-01-04 Rohm & Haas Mezclas de polimeros con propiedades aumentadas
IT1231329B (it) * 1989-07-28 1991-11-28 Ciba Geigy Spa Composti piperazin piperidinici atti all'impiego come stabilizzanti per materiali organici
CA2033001C (en) * 1989-12-26 2003-04-08 Robert Olds Hagerty Catalyst composition for polymerizing olefins to polymers having good compositional homogeneity
US5231151A (en) * 1991-01-18 1993-07-27 The Dow Chemical Company Silica supported transition metal catalyst
JP3225463B2 (ja) * 1991-01-18 2001-11-05 ザ ダウ ケミカル カンパニー シリカ支持遷移金属触媒
IT1247109B (it) * 1991-02-28 1994-12-12 Montedipe Srl Procedimento per la preparazione di un componente solido di catalizzatore per la co polimerizzazione dell'etilene.
US5395471A (en) * 1991-10-15 1995-03-07 The Dow Chemical Company High drawdown extrusion process with greater resistance to draw resonance

Also Published As

Publication number Publication date
KR950700944A (ko) 1995-02-20
AU704251B2 (en) 1999-04-15
US5231151A (en) 1993-07-27
CA2132447C (en) 2006-04-25
JP2002284904A (ja) 2002-10-03
US5487938A (en) 1996-01-30
AU1994097A (en) 1997-08-21
KR100256460B1 (ko) 2000-05-15
US5487938B1 (en) 1997-11-18
WO1993019105A3 (en) 1993-11-11
FI944338A (fi) 1994-11-18
DE69320070D1 (de) 1998-09-03
DE69320070T2 (de) 1998-12-10
FI944338A0 (fi) 1994-09-19
US5420090A (en) 1995-05-30
ATE169034T1 (de) 1998-08-15
CA2132447A1 (en) 1993-09-30
AU3933293A (en) 1993-10-21
FI111376B (fi) 2003-07-15
WO1993019105A2 (en) 1993-09-30
JP3306663B2 (ja) 2002-07-24
JPH07507819A (ja) 1995-08-31
AU677184B2 (en) 1997-04-17
EP0705282B1 (en) 1998-07-29
EP0705282A1 (en) 1996-04-10
TW327177B (en) 1998-02-21
JP3626935B2 (ja) 2005-03-09
JP2002256027A (ja) 2002-09-11

Similar Documents

Publication Publication Date Title
US5487938B1 (en) Silica supported transition metal catalyst
KR840008168A (ko) 유동상에서의 저밀도·저강도 에틸렌 공중합체 제조방법
US4719193A (en) Processes for preparing polyethylene catalysts by heating catalyst precursors
AU6795587A (en) Catalyst composition for polymerizing alpha-olefins
EP0584626A2 (en) Process for producing ethylene polymers having reduced hexane extractable content
AU5229593A (en) Components and catalysts for the polymerization of olefins
ATE165843T1 (de) Komponenten und katalysatoren zur polymerisation von olefinen
ES8603511A1 (es) Un procedimiento para preparar catalizadores soportados adecuados para polimerizar olefinas
WO2002072256A3 (en) Catalyst support material having high oxygen storage capacity and method of preparation thereof
DE69317915D1 (de) Komponenten und Katalysatoren zur Polymerisation von Olefinen
AU2449197A (en) Perovskite-type metal oxide compounds
AU3665599A (en) Catalytic material having improved conversion performance
KR970015456A (ko) 염화수소로부터 염소를 제조하는 방법
CA2249434A1 (en) Process for forming polyalphaolefin drag reducing agents and composition containing same
HU209315B (en) Method for producing catalyst preparative and for polymerizing sthylene
DE69916431D1 (de) Donor-modifizierte katalysatoren für die polymerisation von olefinen
ATE119919T1 (de) Katalysatorzusammensetzung zur herstellung von alpha-olefin-polymeren mit enger molekulargewichtsverteilung.
AU2681000A (en) Olefin polymerisation process
CA2149045A1 (en) Catalyst composition for use in the production of lldpe resin products
AU6704286A (en) Catalyst composition for polymerizing alpha-olefin polymers of relatively narrow molecular weight distribution
EP0324586A3 (en) Catalyst composition for preparing high density, broad molecular weight distribution alpha-olefin polymers
CA2100675A1 (en) Silica supported transition metal catalyst
MY121906A (en) Silica supported transition metal catalyst
AU2002315589A1 (en) Solid catalyst component for polymerization and copolymerization of ethylene, and, process for obtaining the same
JPS5552309A (en) Preparation of copolymer

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 705282

Country of ref document: ES