ATE169034T1 - Verwendung der veränderung des mg:ti verhältnisses in einem katalysator zur änderung oder kontrolle der verteilung der kurzen ketten in ethylencopolymeren - Google Patents

Verwendung der veränderung des mg:ti verhältnisses in einem katalysator zur änderung oder kontrolle der verteilung der kurzen ketten in ethylencopolymeren

Info

Publication number
ATE169034T1
ATE169034T1 AT93908549T AT93908549T ATE169034T1 AT E169034 T1 ATE169034 T1 AT E169034T1 AT 93908549 T AT93908549 T AT 93908549T AT 93908549 T AT93908549 T AT 93908549T AT E169034 T1 ATE169034 T1 AT E169034T1
Authority
AT
Austria
Prior art keywords
support material
mixing
time sufficient
temperature
titanium compound
Prior art date
Application number
AT93908549T
Other languages
English (en)
Inventor
Lee Spencer
Brian W S Kolthammer
Miriam P Ripplinger
Jeffrey J Wooster
Pak-Wing Steve Chum
Jacqueline Ann Degroot
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 ATE169034T1 publication Critical patent/ATE169034T1/de

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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)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
AT93908549T 1992-03-20 1993-03-17 Verwendung der veränderung des mg:ti verhältnisses in einem katalysator zur änderung oder kontrolle der verteilung der kurzen ketten in ethylencopolymeren ATE169034T1 (de)

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
ATE169034T1 true ATE169034T1 (de) 1998-08-15

Family

ID=25317940

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93908549T ATE169034T1 (de) 1992-03-20 1993-03-17 Verwendung der veränderung des mg:ti verhältnisses in einem katalysator zur änderung oder kontrolle der verteilung der kurzen ketten in ethylencopolymeren

Country Status (12)

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

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231151A (en) * 1991-01-18 1993-07-27 The Dow Chemical Company Silica supported transition metal catalyst
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
US5939348A (en) * 1991-11-06 1999-08-17 Mobil Oil Corporation Catalyst for the manufacture of polythylene with a narrow molecular weight distribution
US5470812A (en) * 1991-11-06 1995-11-28 Mobil Oil Corporation High activity polyethylene catalysts prepared with alkoxysilane reagents
US6291384B1 (en) 1991-11-06 2001-09-18 Mobil Oil Corporation High activity catalyst prepared with alkoxysilanes
WO1994017112A2 (en) * 1993-01-29 1994-08-04 The Dow Chemical Company Ethylene interpolymerizations
US6448341B1 (en) 1993-01-29 2002-09-10 The Dow Chemical Company Ethylene interpolymer blend compositions
EP0729478B1 (de) * 1993-11-18 1999-01-07 Mobil Oil Corporation Katalysatorzusammensetzung für die copolymerisation von ethylen
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
AU2468897A (en) * 1995-08-24 1997-08-28 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
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
US7507483B2 (en) * 1997-02-04 2009-03-24 Jeffrey Schwartz Enhanced bonding layers on native oxide surfaces
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
US6645644B1 (en) 1996-10-17 2003-11-11 The Trustees Of Princeton University Enhanced bonding of phosphoric and phosphoric acids to oxidized substrates
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
US20040265571A1 (en) * 2003-02-11 2004-12-30 Princeton University Surface-bonded, organic acid-based mono-layers
BRPI0107604B1 (pt) 2000-01-12 2015-03-31 Westlake Longview Corp Pró-catalisador sólido, sistema catalisador, e, processo para a polimerização de pelo menos uma ou mais olefinas
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
US6593438B2 (en) * 2000-12-04 2003-07-15 Univation Technologies, Llc Catalyst composition and method of polymerization
WO2003074425A1 (en) 2002-03-04 2003-09-12 Akzo Nobel N.V. Treatment of a titanium tetrachloride-containing waste stream
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
US7067169B2 (en) * 2003-06-04 2006-06-27 Chemat Technology Inc. Coated implants and methods of coating
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
US7794737B2 (en) * 2003-10-16 2010-09-14 Kimberly-Clark Worldwide, Inc. Odor absorbing extrudates
US7582485B2 (en) * 2003-10-16 2009-09-01 Kimberly-Clark Worldride, Inc. Method and device for detecting ammonia odors and helicobacter pylori urease infection
US7837663B2 (en) 2003-10-16 2010-11-23 Kimberly-Clark Worldwide, Inc. Odor controlling article including a visual indicating device for monitoring odor absorption
US7678367B2 (en) * 2003-10-16 2010-03-16 Kimberly-Clark Worldwide, Inc. Method for reducing odor using metal-modified particles
US7438875B2 (en) 2003-10-16 2008-10-21 Kimberly-Clark Worldwide, Inc. Method for reducing odor using metal-modified silica particles
US7754197B2 (en) * 2003-10-16 2010-07-13 Kimberly-Clark Worldwide, Inc. Method for reducing odor using coordinated polydentate compounds
US7879350B2 (en) * 2003-10-16 2011-02-01 Kimberly-Clark Worldwide, Inc. Method for reducing odor using colloidal nanoparticles
JP4846714B2 (ja) 2004-06-16 2011-12-28 ダウ グローバル テクノロジーズ エルエルシー チーグラー・ナッタ共触媒の同定方法
MX2007001648A (es) 2004-08-09 2007-04-23 Union Carbide Chem Plastic Procatalizador de ziegler-natta secado por aspersion, fuerte y proceso de polimerizacion que emplea el mismo.
CN102516423A (zh) 2004-08-09 2012-06-27 联合碳化化学及塑料技术有限责任公司 强喷雾干燥的齐格勒-纳塔前催化剂及使用其的聚合方法
KR101233885B1 (ko) * 2004-12-03 2013-02-15 다우 글로벌 테크놀로지스 엘엘씨 목재 섬유 합성수지 복합재
US7763061B2 (en) * 2004-12-23 2010-07-27 Kimberly-Clark Worldwide, Inc. Thermal coverings
US20060142712A1 (en) * 2004-12-23 2006-06-29 Kimberly-Clark Worldwide, Inc. Absorbent articles that provide warmth
US7338516B2 (en) * 2004-12-23 2008-03-04 Kimberly-Clark Worldwide, Inc. Method for applying an exothermic coating to a substrate
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
CA2629600C (en) 2005-11-14 2011-11-01 Biomet 3I, Inc. Deposition of discrete nanoparticles on an implant surface
BRPI0620542A2 (pt) * 2005-11-23 2011-11-16 Dow Global Technologies Inc copolìmero compreendendo etileno interpolimerizado com pelo menos uma (alfa)-olefina c3-10 e mistura de polìmeros
EP1803747A1 (de) 2005-12-30 2007-07-04 Borealis Technology Oy Oberflächemodifizierte Polymerisationskatalysatoren zur Herstellung von Polyolefinfilmen mit niedrigem Gelgehalt
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
ES2545781T3 (es) 2008-01-28 2015-09-15 Biomet 3I, Llc Implante superficial con mayor hidrofilia
RU2515900C2 (ru) 2008-12-18 2014-05-20 Юнивейшн Текнолоджиз, Ллк Способ обработки зародышевого слоя реакции полимеризации
CN102449003B (zh) 2009-03-31 2013-12-11 陶氏环球技术有限责任公司 由非均匀乙烯/α-烯烃互聚物制成的膜
US8641418B2 (en) 2010-03-29 2014-02-04 Biomet 3I, Llc Titanium nano-scale etching on an implant surface
EP2585292A1 (de) 2010-06-24 2013-05-01 Dow Global Technologies LLC Elektronisches gerätemodul mit einem heterogenen polyolefincopolymer und einem optionalen silan
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
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
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
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
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
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
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
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
WO2012119953A1 (en) * 2011-03-04 2012-09-13 Total Research & Technology Feluy Process for preparing ziegler-natta produced polyethylene blends
SG193347A1 (en) 2011-03-08 2013-10-30 Dow Global Technologies Llc Process for recycling solvent used in an ethylene-based polymerization reaction and system therefor
CA2734167C (en) 2011-03-15 2018-03-27 Nova Chemicals Corporation Polyethylene film
ES2671740T3 (es) 2012-03-20 2018-06-08 Biomet 3I, Llc Superficie de tratamiento para una superficie de implante
US9115233B2 (en) 2012-06-21 2015-08-25 Nova Chemicals (International) S.A. Ethylene copolymer compositions, film and polymerization processes
CA2798855C (en) 2012-06-21 2021-01-26 Nova Chemicals Corporation Ethylene copolymers having reverse comonomer incorporation
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
CN104918947A (zh) 2012-12-28 2015-09-16 尤尼威蒂恩技术有限责任公司 将铝氧烷的生产整合到催化剂生产中的方法
RU2677897C2 (ru) 2014-04-02 2019-01-22 ЮНИВЕЙШН ТЕКНОЛОДЖИЗ, ЭлЭлСи Композиции обеспечения непрерывности и способы изготовления и использования таковых
EP3268399B1 (de) 2015-03-10 2021-01-20 Univation Technologies, LLC Sprühgetrocknete katalysatorzusammensetzungen, verfahren zur herstellung und verwendung in olefinpolymerisierungsverfahren
CN107531840B (zh) 2015-04-27 2022-11-18 尤尼威蒂恩技术有限责任公司 具有改进流动特性的负载型催化剂组合物及其制备
EP4133296A4 (de) * 2020-04-07 2024-05-01 Univ North Carolina State Parawasserstoffhyperpolarisationsmembranreaktor

Family Cites Families (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE973626C (de) * 1953-11-17 1960-04-14 Karl Dr Dr E H Ziegler Verfahren zur Herstellung von hochmolekularen Polyaethylenen
DE1016022B (de) * 1954-01-19 1957-09-19 Dr Dr E H Karl 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 (de) * 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
EP0066672B1 (de) * 1981-06-09 1987-09-02 Mitsubishi Kasei Corporation Verfahren zur Herstellung von porösen Folien oder Filmen
US4374753A (en) * 1981-07-29 1983-02-22 Chemplex Company Polymerization catalyst and method
US4478988A (en) * 1981-07-29 1984-10-23 Chemplex Company Polymerization 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 (de) * 1986-07-16 1992-05-20 Sumitomo Chemical Company, Limited Atmungsaktive Folie und Verfahren zur Herstellung derselben
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
US4833111A (en) * 1988-01-14 1989-05-23 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefin polymers of narrow molecular weight distribution
US4849389A (en) * 1988-01-14 1989-07-18 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 (de) * 1988-02-05 1990-10-10 Tonen Chemical Corporation Gasdurchlässiger, wasserdichter Verbundstoff
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
FI893348A (fi) * 1988-07-11 1990-01-12 Sumitomo Chemical Co Etylen-a-olefinkopolymer och filmer framstaellda av denna.
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
DE69106393T2 (de) * 1991-01-18 1995-05-04 Dow Chemical Co Übergangsmetallkatalysator auf silikatträger.
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

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DE69320070D1 (de) 1998-09-03
JP3626935B2 (ja) 2005-03-09
ES2118952T3 (es) 1998-10-01
US5420090A (en) 1995-05-30
FI944338A0 (fi) 1994-09-19
FI111376B (fi) 2003-07-15
CA2132447C (en) 2006-04-25
CA2132447A1 (en) 1993-09-30
EP0705282B1 (de) 1998-07-29
TW327177B (en) 1998-02-21
JP2002284904A (ja) 2002-10-03
AU3933293A (en) 1993-10-21
JP2002256027A (ja) 2002-09-11
AU704251B2 (en) 1999-04-15
WO1993019105A3 (en) 1993-11-11
FI944338A (fi) 1994-11-18
KR950700944A (ko) 1995-02-20
AU677184B2 (en) 1997-04-17
US5487938B1 (en) 1997-11-18
US5231151A (en) 1993-07-27
DE69320070T2 (de) 1998-12-10
KR100256460B1 (ko) 2000-05-15
AU1994097A (en) 1997-08-21
JP3306663B2 (ja) 2002-07-24
US5487938A (en) 1996-01-30
WO1993019105A2 (en) 1993-09-30
JPH07507819A (ja) 1995-08-31
EP0705282A1 (de) 1996-04-10

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