NZ224679A - Process for producing stereoregular polymers having a narrow molecular weight distribution - Google Patents

Process for producing stereoregular polymers having a narrow molecular weight distribution

Info

Publication number
NZ224679A
NZ224679A NZ224679A NZ22467988A NZ224679A NZ 224679 A NZ224679 A NZ 224679A NZ 224679 A NZ224679 A NZ 224679A NZ 22467988 A NZ22467988 A NZ 22467988A NZ 224679 A NZ224679 A NZ 224679A
Authority
NZ
New Zealand
Prior art keywords
molecular weight
weight distribution
stereoregular polymers
excess
carbon atoms
Prior art date
Application number
NZ224679A
Other languages
English (en)
Inventor
Robert Converse Brady
Francis Gregory Stakem
Tai Liu Han
Allen Noshay
Original Assignee
Union Carbide Corp
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 Corp filed Critical Union Carbide Corp
Publication of NZ224679A publication Critical patent/NZ224679A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polyamides (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Polymerisation Methods In General (AREA)
  • Graft Or Block Polymers (AREA)
NZ224679A 1987-05-19 1988-05-18 Process for producing stereoregular polymers having a narrow molecular weight distribution NZ224679A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/051,853 US5093415A (en) 1987-05-19 1987-05-19 Process for producing stereoregular polymers having a narrow molecular weight distribution

Publications (1)

Publication Number Publication Date
NZ224679A true NZ224679A (en) 1990-05-28

Family

ID=21973766

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ224679A NZ224679A (en) 1987-05-19 1988-05-18 Process for producing stereoregular polymers having a narrow molecular weight distribution

Country Status (20)

Country Link
US (1) US5093415A (2)
EP (1) EP0291958B1 (2)
JP (1) JPH0725836B2 (2)
KR (1) KR930008452B1 (2)
AT (1) ATE88193T1 (2)
AU (1) AU603444B2 (2)
BR (1) BR8802429A (2)
CA (1) CA1302640C (2)
CZ (1) CZ281856B6 (2)
DD (1) DD274230A5 (2)
DE (1) DE3880193T2 (2)
ES (1) ES2039504T3 (2)
FI (1) FI92837C (2)
GR (1) GR3008144T3 (2)
IN (1) IN171145B (2)
MY (1) MY103526A (2)
NO (1) NO173142C (2)
NZ (1) NZ224679A (2)
SK (1) SK339588A3 (2)
ZA (1) ZA883535B (2)

Families Citing this family (150)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3888145T2 (de) * 1987-12-26 1994-06-01 Toho Titanium Co Ltd Katalysator-Feststoff für Olefinpolymerisation und Olefinpolymerisationskatalysator.
CN1038284A (zh) * 1988-04-29 1989-12-27 联合碳化公司 高纯度α-烯烃聚合物的制备方法
CA1324234C (en) * 1988-05-12 1993-11-09 Fred C. Twu Process for the preparation of random copolymers
KR900004776A (ko) * 1988-09-26 1990-04-13 티모시 엔.비숍 α-올레핀 중합체의 제법
DE69018372T2 (de) * 1989-10-31 1995-08-17 Union Carbide Chem Plastic Verfahren zur Herstellung von statischen Copolymeren.
BR9005444A (pt) * 1989-10-31 1991-09-17 Union Carbide Chem Plastic Processo para a preparacao de copolimeros aleatorios
DE4030379A1 (de) * 1990-09-26 1992-04-02 Basf Ag Polymerwachse des propylens mit hoher haerte und kristallinitaet
US5317036A (en) * 1992-10-16 1994-05-31 Union Carbide Chemicals & Plastics Technology Corporation Gas phase polymerization reactions utilizing soluble unsupported catalysts
US5318842A (en) * 1992-12-03 1994-06-07 Himont Incorporated Biaxially oriented propylene polymer film or sheet articles
KR100298102B1 (ko) * 1992-12-22 2001-10-24 치어즈 엠. 노우드 프로필렌단량체를중합시켜폴리프로필렌을제조하는방법,이를위한촉매및프로필렌중합용촉매의제조방법
US6489411B1 (en) * 1993-06-30 2002-12-03 Fina Technology, Inc. Catalyst formulation and polymerization processes
US6005049A (en) * 1993-07-19 1999-12-21 Union Carbide Chemicals & Plastics Technology Corporation Process for the production of polypropylene
DE69431444T2 (de) * 1993-12-06 2003-06-05 Sumitomo Chemical Co., Ltd. Alphaolefinpolymere, Katalysator zur Alphaolefinpolymerisation und Verfahren zur Herstellung von Alphaolefinpolymeren
EP0696616A3 (en) * 1994-07-11 1999-01-13 Tonen Chemical Corporation Polypropylene resin composition
USH1722H (en) * 1995-05-05 1998-04-07 Goode; Mark Gregory Process for producing polypropylene impact block copolymers
US5738745A (en) * 1995-11-27 1998-04-14 Kimberly-Clark Worldwide, Inc. Method of improving the photostability of polypropylene compositions
EP0784062A3 (en) 1995-12-15 1998-04-22 Union Carbide Chemicals & Plastics Technology Corporation Process for production of long-chain branched polyolefins
FI104089B (fi) 1996-11-15 1999-11-15 Borealis As Prosessi propeenin homo- tai kopolymeerien valmistamiseksi
JP3688078B2 (ja) * 1996-11-20 2005-08-24 三井化学株式会社 オレフィン重合用触媒、予備重合触媒、オレフィンの重合方法
US7232871B2 (en) * 1997-08-12 2007-06-19 Exxonmobil Chemical Patents Inc. Propylene ethylene polymers and production process
US6921794B2 (en) * 1997-08-12 2005-07-26 Exxonmobil Chemical Patents Inc. Blends made from propylene ethylene polymers
US6635715B1 (en) * 1997-08-12 2003-10-21 Sudhin Datta Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers
US6124507A (en) 1997-12-10 2000-09-26 Union Carbide Chemicals & Plastics Technology Corporation Electron donors
US5968865A (en) * 1997-12-10 1999-10-19 Union Carbide Chemicals & Plastics Technology Corporation Electron donor containing compositions
US6875721B1 (en) 1997-12-23 2005-04-05 Borealis Technology Oy Soluble magnesium dihalide complex, preparation and use
EP1522553B1 (en) * 1998-07-01 2007-04-11 ExxonMobil Chemical Patents Inc. Elastic blends comprising crystalline polymer and crystallizable polymers of propylene
FI981717A7 (fi) 1998-08-07 2000-02-08 Borealis As Katalysaattorikomponentti, joka käsittää magnesiumia, titaania, halogeenia ja elektronidonorin, sen valmistus ja käyttö
US6429270B2 (en) 1998-09-14 2002-08-06 Union Carbide Chemicals & Plastics Technology Corporation Process for preparing olefin polymerization catalyst mixture
US6566294B2 (en) 2000-12-21 2003-05-20 Exxonmobil Chemical Patents Inc. Multi-donor catalyst system for the polymerization of olefins
EP1390417B1 (en) 2001-04-12 2010-10-20 ExxonMobil Chemical Patents Inc. Process for polymerizing propylene and ethylene in solution
EP1401884A1 (en) * 2001-05-29 2004-03-31 Union Carbide Chemicals & Plastics Technology Corporation Olefin polymerization catalyst compositions and method of preperation
US6825146B2 (en) * 2001-05-29 2004-11-30 Union Carbide Chemicals & Plastics Technology Corporation Olefin polymerization catalyst compositions and method of preparation
EP1444276A1 (en) 2001-11-06 2004-08-11 Dow Global Technologies, Inc. Isotactic propylene copolymers, their preparation and use
US6960635B2 (en) * 2001-11-06 2005-11-01 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
US6927256B2 (en) 2001-11-06 2005-08-09 Dow Global Technologies Inc. Crystallization of polypropylene using a semi-crystalline, branched or coupled nucleating agent
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
US6897276B2 (en) * 2002-04-24 2005-05-24 Symyx Technologies, Inc. Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom
US7060848B2 (en) * 2002-04-24 2006-06-13 Symyx Technologies, Inc. Bridged bi-aromatic catalysts, complexes, and methods of using the same
US7091292B2 (en) 2002-04-24 2006-08-15 Symyx Technologies, Inc. Bridged bi-aromatic catalysts, complexes, and methods of using the same
ES2394304T3 (es) 2002-10-15 2013-01-30 Exxonmobil Chemical Patents, Inc. Sistema de múltiples catalizadores para la polimerización de olefinas y polímeros producidos a partir de éstos
US7223822B2 (en) 2002-10-15 2007-05-29 Exxonmobil Chemical Patents Inc. Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom
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
WO2004094487A1 (en) * 2003-03-21 2004-11-04 Dow Global Technologies, Inc. Morphology controlled olefin polymerization process
KR100472771B1 (ko) * 2003-08-30 2005-03-14 주식회사 일렘테크놀러지홀딩스 고입체규칙성 폴리부텐-1 중합체 및 이의 고활성 제조방법
US7985811B2 (en) * 2004-01-02 2011-07-26 Univation Technologies, Llc Method for controlling sheeting in gas phase reactors
US20050148742A1 (en) * 2004-01-02 2005-07-07 Hagerty Robert O. Method for controlling sheeting in gas phase reactors
US20070073012A1 (en) * 2005-09-28 2007-03-29 Pannell Richard B Method for seed bed treatment before a polymerization reaction
US7193017B2 (en) * 2004-08-13 2007-03-20 Univation Technologies, Llc High strength biomodal polyethylene compositions
US7256296B2 (en) * 2004-09-22 2007-08-14 Symyx Technologies, Inc. Heterocycle-amine ligands, compositions, complexes, and catalysts
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
EP1805229A1 (en) 2004-10-28 2007-07-11 Dow Gloval Technologies Inc. Method of controlling a polymerization reactor
WO2006066126A2 (en) * 2004-12-16 2006-06-22 Symyx Technologies, Inc. Phenol-heterocyclic ligands, metal complexes, and their uses as catalysts
US7629422B2 (en) 2004-12-21 2009-12-08 Univation Technologies, Llc Process for transitioning between Ziegler-Natta-based and chromium-based catalysts
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
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
US20070109911A1 (en) * 2005-11-16 2007-05-17 Neubauer Anthony C High speed and direct driven rotating equipment for polyolefin manufacturing
EP1803747A1 (en) 2005-12-30 2007-07-04 Borealis Technology Oy Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films
BRPI0717152B1 (pt) 2006-10-03 2018-07-03 Univation Technologies, Llc. Método para polimerização de olefina e sistema de reação para polimerização de olefina
EP2118147A1 (en) * 2007-03-06 2009-11-18 Ineos USA, LLC Gas-phase propylene polymerization process using staged addition of aluminum alkyl
US8281332B2 (en) * 2007-05-02 2012-10-02 Google Inc. Animated video overlays
US7893003B2 (en) 2007-08-24 2011-02-22 Dow Global Technologies Inc. Catalyst composition with mixed selectivity control agent and method
CN101848946B (zh) * 2007-08-24 2013-06-12 陶氏环球技术有限责任公司 气相聚合方法
TW200936564A (en) * 2007-11-15 2009-09-01 Univation Tech Llc Methods for the removal of impurities from polymerization feed streams
US20090286944A1 (en) * 2008-05-15 2009-11-19 Symyx Technologies, Inc. Select phenol-heterocycle ligands, metal complexes formed therefrom, and their uses as catalysts
CN101724111B (zh) * 2008-10-24 2012-02-01 中国石油化工股份有限公司 一种宽分子量分布聚丙烯的制备方法及其聚合物
ES2408589T3 (es) 2008-12-18 2013-06-21 Univation Technologies, Llc Método para tratamiento de un lecho de siembra para una reacción de polimerización
RU2527945C2 (ru) 2009-01-08 2014-09-10 Юнивейшн Текнолоджиз, Ллк Добавка для процессов полимеризации полиолефинов
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
GB0906680D0 (en) * 2009-04-17 2009-06-03 Univ Surrey A low-k material
MY149647A (en) 2009-10-19 2013-09-30 Sasol Tech Pty Ltd Oligomerisation of olefinic compounds with reduced polymer formation
US8722820B2 (en) 2009-12-07 2014-05-13 Univation Technologies, Llc Methods for reducing static charge of a catalyst and methods for using the catalyst to produce polyolefins
US8211819B2 (en) * 2009-12-21 2012-07-03 Basf Corporation Internal and external donor compounds for olefin polymerization catalysts
RU2554881C2 (ru) 2010-02-18 2015-06-27 Юнивейшн Текнолоджиз, Ллк Способы управления работой реактора для полимеризации
CN102770467B (zh) 2010-02-22 2015-07-22 尤尼威蒂恩技术有限责任公司 催化剂体系和使用该催化剂体系制备聚烯烃产物的方法
US8722804B2 (en) 2010-04-13 2014-05-13 Univation Technologies, Llc Polymer blends and films made therefrom
BR112013000679A2 (pt) 2010-07-16 2016-05-31 Univation Tech Llc sistemas e métodos para medir acúmulo de partícula em superfícies de reator
WO2012009215A1 (en) 2010-07-16 2012-01-19 Univation Technologies, Llc Systems and methods for measuring static charge on particulates
WO2012015898A1 (en) 2010-07-28 2012-02-02 Univation Technologies, Llc Systems and methods for measuring velocity of a particle/fluid mixture
BR112013008900A2 (pt) * 2010-10-19 2016-06-28 Basell Poliolefine Srl "sistema da catalisação para a polimerização de olefinas"
RU2589055C2 (ru) 2010-12-17 2016-07-10 Юнивейшн Текнолоджиз, Ллк Системы и способы выделения углеводородов из содержащего полиолефины газообразного продукта продувки
RU2577324C2 (ru) 2010-12-22 2016-03-20 Юнивейшн Текнолоджиз, Ллк Добавка для способов полимеризации полиолефина
WO2013028283A1 (en) 2011-08-19 2013-02-28 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
ES2798272T3 (es) 2011-11-08 2020-12-10 Univation Tech Llc Métodos de preparación de un sistema catalítico
US10273315B2 (en) 2012-06-20 2019-04-30 Chevron Phillips Chemical Company Lp Methods for terminating olefin polymerizations
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
ES2918582T3 (es) 2012-12-28 2022-07-19 Univation Tech Llc Catalizador soportado con fluidez mejorada
CN104277160B (zh) * 2013-07-04 2016-06-29 中国石油化工股份有限公司 一种用于生产窄分子量分布聚乙烯的催化剂
EP3033348B1 (en) 2013-08-12 2017-11-29 Saudi Basic Industries Corporation Catalyst system for polymerisation of an olefin
EP3068809B1 (en) * 2013-11-15 2021-03-03 W.R. Grace & CO. - CONN. Propylene-based polymer with reduced high-molecular weight portion
US10696829B2 (en) 2013-12-20 2020-06-30 Saudi Basic Industries Corporation Heterophasic propylene copolymer
KR102365377B1 (ko) 2013-12-20 2022-02-21 사우디 베이식 인더스트리즈 코포레이션 올레핀 중합용 촉매 시스템
MX2016008039A (es) 2013-12-20 2017-05-12 Saudi Basic Ind Corp Sistema catalizador para polimerizacion de una olefina.
EP3083724B1 (en) 2013-12-20 2018-07-25 Saudi Basic Industries Corporation Catalyst system for polymerization of an olefin
BR112016013951B1 (pt) 2013-12-20 2022-02-22 Sabic Global Technologies B.V. Processo para a preparação de um pró-catalisador para polimerização de uma olefina, uso de uma benzamida, composição de catalisador, pró-catalisador e processo para a preparação de poliolefinas compreendendo o mesmo
EP3083722B1 (en) 2013-12-20 2021-11-10 Saudi Basic Industries Corporation Catalyst system for polymerisation of an olefin
EP3083723B1 (en) 2013-12-20 2022-01-19 Saudi Basic Industries Corporation Catalyst system for polymerisation of an olefin
WO2015091151A1 (en) 2013-12-20 2015-06-25 Saudi Basic Industries Corporation Polyolefin composition
EP3126404B1 (en) 2014-04-02 2019-08-21 Univation Technologies, LLC Continuity compositions and olefin polymerisation method using the same
WO2016118599A1 (en) 2015-01-21 2016-07-28 Univation Technologies, Llc Methods for controlling polymer chain scission
CA2974122C (en) 2015-01-21 2023-09-19 Univation Technologies, Llc Methods for gel reduction in polyolefins
WO2016145179A1 (en) 2015-03-10 2016-09-15 Univation Technologies, Llc Spray dried catalyst compositions, methods for preparation and use in olefin polymerization processes
WO2016176135A1 (en) 2015-04-27 2016-11-03 Univation Technologies, Llc Supported catalyst compositions having improved flow properties and preparation thereof
BR112017026534B1 (pt) 2015-06-12 2021-12-07 Sabic Global Technologies B.V. Copolímero de propileno heterofásico, seu processo para a fabricação e uso, artigo que o compreende
US10745499B2 (en) 2015-08-07 2020-08-18 Sabic Global Technologies B.V. Process for the polymerization of olefins
US10696756B2 (en) 2015-08-07 2020-06-30 Sabic Global Technologies B.V. Process for the polymerization of olefins
US10759883B2 (en) 2015-08-07 2020-09-01 Sabin Global Technologies B.V. Process for the polymerization of olefins
EP3353146B1 (en) 2015-09-22 2023-10-25 SABIC Global Technologies B.V. Synthesis of substituted amidobenzoate compounds, the compounds obtained and the use thereof as phthalate free internal electron donor for polymerization of olefins
EP3181625A1 (en) 2015-12-18 2017-06-21 SABIC Global Technologies B.V. Composition comprising heterophasic propylene copolymer
WO2018046395A1 (en) 2016-09-08 2018-03-15 Sabic Global Technologies B.V. Process of preparing polyolefin with the discontinuous addition of a thermal runaway reducing agent
CN109937213B (zh) 2016-09-08 2021-03-02 Sabic环球技术有限责任公司 通过不连续添加热失控减少剂制备聚烯烃的方法
WO2018048472A1 (en) 2016-09-09 2018-03-15 Exxonmobil Chemical Patents Inc. Pilot plant scale semi-condensing operation
EP3333222A1 (en) 2016-12-12 2018-06-13 SABIC Global Technologies B.V. Composition comprising heterophasic propylene copolymer
CN110168011B (zh) 2016-12-12 2022-07-29 Sabic环球技术有限责任公司 包含包围着玻璃丝的热塑性聚合物护套的具有降低的排放的粒料
EP3551674A1 (en) 2016-12-12 2019-10-16 SABIC Global Technologies B.V. Process for manufacture of low emission homopolymer or random polypropylene
WO2018108928A1 (en) 2016-12-12 2018-06-21 Sabic Global Technologies B.V. Heterophasic propylene copolymer
CN110198963B (zh) 2016-12-12 2022-06-24 Sabic环球技术有限责任公司 制造低排放异相聚丙烯的方法
US11186654B2 (en) 2016-12-20 2021-11-30 Exxonmobil Chemical Patents Inc. Methods for controlling start up conditions in polymerization processes
WO2018147931A1 (en) 2017-02-07 2018-08-16 Exxonmobil Chemical Patents Inc. Processes for reducing the loss of catalyst activity of a ziegler-natta catalyst
US11447587B2 (en) 2018-05-02 2022-09-20 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
US11459408B2 (en) 2018-05-02 2022-10-04 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
EP4021975B1 (en) 2019-08-27 2024-04-10 SABIC Global Technologies, B.V. Heterophasic propylene copolymer composition
US12338344B2 (en) 2019-12-24 2025-06-24 Sabic Global Technologies B.V. Polymer composition with a high heat deflection temperature
EP4081593B1 (en) 2019-12-24 2024-02-07 SABIC Global Technologies B.V. Heterophasic propylene copolymer composition with low gloss
WO2021130139A1 (en) 2019-12-24 2021-07-01 Sabic Global Technologies B.V. Foamed article with excellent stiffness preservation and superior surface quality
WO2021130123A1 (en) 2019-12-24 2021-07-01 Sabic Global Technologies B.V. Heterophasic propylene copolymer composition
EP3650495A3 (en) 2020-02-14 2020-05-27 SABIC Global Technologies B.V. Film comprising heterophasic propylene copolymer composition
US20230071198A1 (en) 2020-02-14 2023-03-09 Sabic Global Technologies B.V. Film comprising heterophasic propylene copolymer composition
EP3650494A3 (en) 2020-02-14 2020-05-27 SABIC Global Technologies B.V. Matte film comprising heterophasic propylene copolymer composition
US12534604B2 (en) 2020-03-27 2026-01-27 Sabic Global Technologies B.V. Polymer composition having improved impact strength at low temperatures
CN116234837A (zh) 2020-07-22 2023-06-06 埃克森美孚化学专利公司 聚烯烃组合物及其制品
EP4259669A1 (en) 2020-12-08 2023-10-18 ExxonMobil Chemical Patents Inc. High density polyethylene compositions with long-chain branching
CN116615501B (zh) 2020-12-18 2025-08-26 Sabic环球技术有限责任公司 具有高光泽、低收缩和高抗冲击性的聚合物组合物
US20240317982A1 (en) 2020-12-28 2024-09-26 Sabic Global Technologies B.V. Polypropylene composition with high multi-axial impact resistance and improved tiger stripe behaviour
WO2022232760A1 (en) 2021-04-30 2022-11-03 Exxonmobil Chemical Patents Inc. Processes for transitioning between different polymerization catalysts in a polymerization reactor
US20250263508A1 (en) 2021-11-02 2025-08-21 Exxonmobil Chemical Patents Inc. Polyethylene Compositions, Articles Thereof, and Methods Thereof
EP4444769A1 (en) 2021-12-09 2024-10-16 SABIC Global Technologies B.V. Catalyst system for polymerization of an olefin
US20250066594A1 (en) 2021-12-21 2025-02-27 Sabic Global Technologies B.V. High impact polypropylene composition
CN118922490A (zh) 2022-03-14 2024-11-08 Sabic环球技术有限责任公司 多相丙烯共聚物组合物
EP4493626A1 (en) 2022-03-14 2025-01-22 SABIC Global Technologies B.V. Injection molding process
WO2023217945A1 (en) 2022-05-13 2023-11-16 Sabic Global Technologies B.V. Heterophasic polypropylene composition with low emission
CN119183458A (zh) 2022-05-13 2024-12-24 Sabic环球技术有限责任公司 具有低的己烷提取物的多相聚丙烯组合物
EP4522666A1 (en) 2022-05-13 2025-03-19 SABIC Global Technologies B.V. Heterophasic polypropylene composition with low shrinkage
EP4551620A1 (en) 2022-07-05 2025-05-14 SABIC Global Technologies B.V. Catalyst system for polymerization of an olefin
CN119630842A (zh) 2022-08-23 2025-03-14 陶氏环球技术有限责任公司 双组分粘结剂纤维
CN120359267A (zh) 2022-12-15 2025-07-22 Sabic环球技术有限责任公司 具有在低温下改进的韧性/多轴冲击的聚丙烯组合物
WO2025131743A1 (en) 2023-12-19 2025-06-26 Sabic Global Technologies B.V. Polymer composition with improved multi-axial impact resistance
WO2025132531A1 (en) 2023-12-22 2025-06-26 Sabic Global Technologies B.V. Polymer composition

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5883006A (ja) * 1981-11-13 1983-05-18 Mitsui Petrochem Ind Ltd オレフインの重合方法
FR2541683B1 (fr) * 1983-02-28 1986-05-09 Ato Chimie Procede pour la preparation d'un solide hydrocarbone actif utilisable pour polymeriser des olefines, et procede de synthese d'un polymere ou copolymere olefinique faisant appel audit solide hydrocarbone actif comme systeme
GB2143834B (en) * 1983-07-20 1987-06-03 Toho Titanium Co Ltd Polymerization catalyst
JPS6044507A (ja) * 1983-08-23 1985-03-09 Toho Titanium Co Ltd オレフィン類重合用触媒成分
US4535068A (en) * 1983-09-20 1985-08-13 Shell Oil Company Olefin polymerization catalyst compositions and polymerization process
JPS60139706A (ja) * 1983-12-27 1985-07-24 Toho Titanium Co Ltd オレフイン類重合用触媒成分
JPS61126109A (ja) * 1984-11-22 1986-06-13 Toho Titanium Co Ltd オレフイン類重合用触媒成分および触媒
PT87343B (pt) * 1987-05-04 1992-08-31 Shell Oil Co Processo de preparacao de um componente de catalisadores de polimerizacao de olefinas

Also Published As

Publication number Publication date
AU603444B2 (en) 1990-11-15
IN171145B (2) 1992-08-01
CZ339588A3 (en) 1996-12-11
EP0291958A3 (en) 1989-11-15
US5093415A (en) 1992-03-03
NO173142C (no) 1993-11-03
DE3880193T2 (de) 1993-08-05
NO882159L (no) 1988-11-21
FI882323A0 (fi) 1988-05-18
ES2039504T3 (es) 1993-10-01
GR3008144T3 (2) 1993-09-30
AU1633688A (en) 1988-11-24
DE3880193D1 (de) 1993-05-19
JPH0725836B2 (ja) 1995-03-22
DD274230A5 (de) 1989-12-13
SK279707B6 (sk) 1999-02-11
BR8802429A (pt) 1988-12-13
NO173142B (no) 1993-07-26
CA1302640C (en) 1992-06-02
EP0291958A2 (en) 1988-11-23
ZA883535B (en) 1989-01-25
FI92837B (fi) 1994-09-30
CZ281856B6 (cs) 1997-03-12
KR880013987A (ko) 1988-12-22
FI92837C (fi) 1995-01-10
ATE88193T1 (de) 1993-04-15
KR930008452B1 (ko) 1993-09-04
FI882323L (fi) 1988-11-20
NO882159D0 (no) 1988-05-18
JPS6454008A (en) 1989-03-01
SK339588A3 (en) 1999-02-11
MY103526A (en) 1993-07-31
EP0291958B1 (en) 1993-04-14

Similar Documents

Publication Publication Date Title
ZA883535B (en) Process for producing stereoregular polymers having a narrow molecular weight distribution
CA1274343A (en) Polymerisation of olefins using a ziegler-natta catalyst and two organometallic compounds
CA1221955A (en) Process for polymerization of olefins
AU653310B2 (en) Process for the production of polyethylene
US5055535A (en) Procedure for gas-phase polymerication of ethylene allowing the fabrication of linear polyethylene with a narrow molecular-weight distribution
US3893989A (en) Process for polymerizing propylene
DE2965167D1 (en) Process for producing an ethylene copolymer
AU1507397A (en) High activity staged reactor process
DE69330279D1 (de) Amorphe 1-buten/propylen copolymere mit grosser dehnungsstärke
US3732335A (en) Process for the preparation of block polymers
KR920006380A (ko) 무정형 엘라스토머성 프로필렌 단독중합체의 생성방법
EP0534405A1 (en) Process for the slowdown or termination of polymerization
JPS5618607A (en) Polymerization of ethylene
FR2423259A1 (fr) Procede de polymerisation d'a-olefines
DE68900495D1 (de) Verfahren zur herstellung statistischer copolymere.
KR960041203A (ko) 지글라-나타 촉매의 제조 방법
US4713430A (en) Preparation of ethene polymers by means of a Ziegler catalyst system
KR840000272A (ko) 삼염화 티탄 촉매성분의 제조방법
US5112928A (en) Preparation of homopolymers of ethene and copolymers of ethene with high α-monoolefins using a Ziegler catalyst system
US3558587A (en) Three-component catalytic system including a hydrocarbyl silane
US5164353A (en) Supported chromium oxide catalyst
JPH02167313A (ja) α―オレフィンの単独又は共重合法及び該重合法に使用する触媒系
US4364852A (en) Polyolefin catalysts containing heterocyclic carboxylic acid esters
US3631011A (en) Method for polymerizing ethylene by use of novel catalyst system
TH22617A (th) กรรมวิธีสำหรับผลิตโพลีเมอร์ที่มีการกระจายตัวของน้ำหนักโมเลกุลที่แคบ