MY103526A - 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
MY103526A
MY103526A MYPI88000520A MYPI19880520A MY103526A MY 103526 A MY103526 A MY 103526A MY PI88000520 A MYPI88000520 A MY PI88000520A MY PI19880520 A MYPI19880520 A MY PI19880520A MY 103526 A MY103526 A MY 103526A
Authority
MY
Malaysia
Prior art keywords
molecular weight
weight distribution
stereoregular polymers
excess
carbon atoms
Prior art date
Application number
MYPI88000520A
Other languages
English (en)
Inventor
Converse Brady 111 Robert
Noshay Allen
Tai Liu Han
Gregory Stakem Francis
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 MY103526A publication Critical patent/MY103526A/en

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)
  • Manufacturing Of Micro-Capsules (AREA)
  • Polymerisation Methods In General (AREA)
  • Polyamides (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Graft Or Block Polymers (AREA)
MYPI88000520A 1987-05-19 1988-05-16 Process for producing stereoregular polymers having a narrow molecular weight distribution MY103526A (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
MY103526A true MY103526A (en) 1993-07-31

Family

ID=21973766

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI88000520A MY103526A (en) 1987-05-19 1988-05-16 Process for producing stereoregular polymers having a narrow molecular weight distribution

Country Status (20)

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

Families Citing this family (150)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0322798B1 (en) * 1987-12-26 1994-03-02 Toho Titanium Co. Ltd. A solid catalyst component for the polymerization of olefins and an olefin polymerization catalyst
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
AU609295B2 (en) * 1988-05-12 1991-04-26 Union Carbide Corporation Process for the preparation of random copolymers
ZA897290B (en) * 1988-09-26 1990-07-25 Union Carbide Chem Plastic Process for the preparation of alpha-olefin polymers
BR9005444A (pt) * 1989-10-31 1991-09-17 Union Carbide Chem Plastic Processo para a preparacao de copolimeros aleatorios
ATE120769T1 (de) * 1989-10-31 1995-04-15 Union Carbide Chem Plastic Verfahren zur herstellung von statischen copolymeren.
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
SG78354A1 (en) * 1993-12-06 2001-02-20 Sumitomo Chemical Co Alpha-olefin polymers alpha-olefin polymerizing catalyst and process for producing alpha-olefin polymers
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
US6635715B1 (en) 1997-08-12 2003-10-21 Sudhin Datta Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers
US6921794B2 (en) * 1997-08-12 2005-07-26 Exxonmobil Chemical Patents Inc. Blends made from propylene ethylene polymers
US5968865A (en) * 1997-12-10 1999-10-19 Union Carbide Chemicals & Plastics Technology Corporation Electron donor containing compositions
US6124507A (en) 1997-12-10 2000-09-26 Union Carbide Chemicals & Plastics Technology Corporation Electron donors
DE69812710T2 (de) 1997-12-23 2003-10-23 Borealis Technology Oy, Porvoo Löslicher magnesiumhalogenidkomplex, herstellung und verwendung
EP1098934A1 (en) * 1998-07-01 2001-05-16 Exxon 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
JP5156167B2 (ja) 2001-04-12 2013-03-06 エクソンモービル・ケミカル・パテンツ・インク プロピレン−エチレンポリマー及び製造法
US6825146B2 (en) * 2001-05-29 2004-11-30 Union Carbide Chemicals & Plastics Technology Corporation Olefin polymerization catalyst compositions and method of preparation
CN100564400C (zh) * 2001-05-29 2009-12-02 联合碳化化学及塑料技术有限责任公司 烯烃聚合催化剂组合物和制备方法
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
US6906160B2 (en) * 2001-11-06 2005-06-14 Dow Global Technologies Inc. Isotactic propylene copolymer fibers, their preparation and use
US6960635B2 (en) * 2001-11-06 2005-11-01 Dow Global Technologies Inc. Isotactic propylene copolymers, their preparation and use
SG147306A1 (en) 2001-11-06 2008-11-28 Dow Global Technologies Inc Isotactic propylene copolymers, 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
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
US6841502B2 (en) * 2002-04-24 2005-01-11 Symyx Technologies, Inc. Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom
US7223822B2 (en) 2002-10-15 2007-05-29 Exxonmobil Chemical Patents Inc. Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom
WO2005108442A1 (en) 2002-10-15 2005-11-17 Exxonmobil Chemical Patents Inc. Polyolefin adhesive compositions and articles made therefrom
US7579407B2 (en) * 2002-11-05 2009-08-25 Dow Global Technologies Inc. Thermoplastic elastomer compositions
US7459500B2 (en) * 2002-11-05 2008-12-02 Dow Global Technologies Inc. Thermoplastic elastomer compositions
CN100351275C (zh) * 2003-03-21 2007-11-28 陶氏环球技术公司 形态控制的烯烃聚合方法
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
US20070073012A1 (en) * 2005-09-28 2007-03-29 Pannell Richard B Method for seed bed treatment before a polymerization reaction
US20050148742A1 (en) * 2004-01-02 2005-07-07 Hagerty Robert O. Method for controlling sheeting in gas phase reactors
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
US7387980B2 (en) * 2004-09-22 2008-06-17 Symyx Technologies, Inc. Methods of using heterocycle-amine ligands, compositions, complexes, and catalysts
US8093341B2 (en) * 2004-10-28 2012-01-10 Dow Global Technologies Llc Method of controlling a polymerization reactor
US7705157B2 (en) * 2004-12-16 2010-04-27 Symyx Solutions, 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
CN101568554B (zh) 2006-10-03 2012-09-26 尤尼威蒂恩技术有限责任公司 基于生产速率变化防止催化剂团聚的方法
CN101627058B (zh) * 2007-03-06 2012-11-07 伊内奥斯美国公司 利用烷基铝的分阶段加入的气相丙烯聚合法
US8281332B2 (en) * 2007-05-02 2012-10-02 Google Inc. Animated video overlays
WO2009029487A1 (en) * 2007-08-24 2009-03-05 Dow Global Technologies, Inc. Self-limiting catalyst system with controlled aluminum rto sca ratio and method
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
CN102186889B (zh) 2008-08-21 2013-11-06 陶氏环球技术有限责任公司 具有混合的选择性控制剂的催化剂组合物和使用它的聚合反应方法
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
WO2010071798A1 (en) 2008-12-18 2010-06-24 Univation Technologies, Llc Method for seed bed treatment for a polymerization reaction
CN102272165B (zh) 2009-01-08 2013-08-28 尤尼威蒂恩技术有限责任公司 用于聚烯烃聚合方法的添加剂
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
EP2490990B1 (en) 2009-10-19 2013-12-04 Sasol Technology (Proprietary) Limited Oligomerisation of olefinic compounds with reduced polymer formation
BR112012013675A2 (pt) 2009-12-07 2016-04-19 Univation Tech Llc métodos para a produção de carga estática de um catalisador e métodos para o uso do catalisador para produzir poliolefinas
US8211819B2 (en) * 2009-12-21 2012-07-03 Basf Corporation Internal and external donor compounds for olefin polymerization catalysts
WO2011103280A1 (en) 2010-02-18 2011-08-25 Univation Technologies, Llc Methods for operating a polymerization reactor
RU2563032C2 (ru) 2010-02-22 2015-09-20 Юнивейшн Текнолоджиз, Ллк Каталитические системы и способы их применения для получения полиолефиновых продуктов
US8722804B2 (en) 2010-04-13 2014-05-13 Univation Technologies, Llc Polymer blends and films made therefrom
RU2564301C2 (ru) 2010-07-16 2015-09-27 Юнивейшн Текнолоджиз, Ллк Системы и способы измерения накопления частиц на поверхностях реактора
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
ES2542080T3 (es) * 2010-10-19 2015-07-30 Basell Poliolefine Italia S.R.L. Sistema catalizador para la polimerización de olefinas
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
WO2012087560A1 (en) 2010-12-22 2012-06-28 Univation Technologies, Llc Additive for polyolefin polymerization processes
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
EP2938434B1 (en) 2012-12-28 2022-05-04 Univation Technologies, LLC Supported catalyst with improved flowability
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
EA032503B1 (ru) 2013-08-12 2019-06-28 Сауди Бейсик Индастриз Корпорейшн Каталитическая система для полимеризации олефинов
WO2015073855A1 (en) 2013-11-15 2015-05-21 W.R. Grace & Co.-Conn Propylene-based polymer with reduced high-molecular weight portion
EP3083722B1 (en) 2013-12-20 2021-11-10 Saudi Basic Industries Corporation Catalyst system for polymerisation of an olefin
EP3083819B1 (en) 2013-12-20 2019-01-30 Saudi Basic Industries Corporation Polyolefin composition
KR102263502B1 (ko) 2013-12-20 2021-06-11 사우디 베이식 인더스트리즈 코포레이션 올레핀 중합용 촉매 시스템
EA033164B1 (ru) 2013-12-20 2019-09-30 Сауди Бейсик Индастриз Корпорейшн Каталитическая система для полимеризации олефина
MX2016008041A (es) 2013-12-20 2017-03-03 Saudi Basic Ind Corp Sistema catalizador para polimerizacion de una olefina.
KR102365377B1 (ko) 2013-12-20 2022-02-21 사우디 베이식 인더스트리즈 코포레이션 올레핀 중합용 촉매 시스템
US10696829B2 (en) 2013-12-20 2020-06-30 Saudi Basic Industries Corporation Heterophasic propylene copolymer
CN105940022B (zh) 2013-12-20 2018-07-31 沙特基础工业公司 用于烯烃聚合的催化剂体系
EP3747913B1 (en) 2014-04-02 2024-04-17 Univation Technologies, LLC Continuity compositions and olefin polymerisation method using the same
US10682797B2 (en) 2015-01-21 2020-06-16 Univation Technologies, Llc Methods for gel reduction in polyolefins
CA2974392C (en) 2015-01-21 2023-10-17 Univation Technologies, Llc Methods for controlling polymer chain scission
EP3268399B1 (en) 2015-03-10 2021-01-20 Univation Technologies, LLC Spray dried catalyst compositions, methods for preparation and use in olefin polymerization processes
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
CN107922694B (zh) 2015-06-12 2023-08-15 Sabic环球技术有限责任公司 用于制造低排放聚丙烯的方法
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
CN108174605B (zh) 2015-08-07 2021-03-26 Sabic环球技术有限责任公司 用于烯烃聚合的方法
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
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
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
WO2018048472A1 (en) 2016-09-09 2018-03-15 Exxonmobil Chemical Patents Inc. Pilot plant scale semi-condensing operation
EP3551678A1 (en) 2016-12-12 2019-10-16 SABIC Global Technologies B.V. Process for manufacture of low emission heterophasic polypropylene
EP3333222A1 (en) 2016-12-12 2018-06-13 SABIC Global Technologies B.V. Composition comprising heterophasic propylene copolymer
CN110050028B (zh) 2016-12-12 2021-12-07 Sabic环球技术有限责任公司 异相丙烯共聚物
EP3551674A1 (en) 2016-12-12 2019-10-16 SABIC Global Technologies B.V. Process for manufacture of low emission homopolymer or random polypropylene
EP3551695B1 (en) 2016-12-12 2023-09-06 SABIC Global Technologies B.V. Pellet comprising thermoplastic polymer sheath surrounding glass filaments having reduced emissions
WO2018118258A1 (en) 2016-12-20 2018-06-28 Exxonmobil Chemical Patents Inc. Methods for controlling start up conditions in polymerization processes
CN110431158A (zh) 2017-02-07 2019-11-08 埃克森美孚化学专利公司 减少齐格勒-纳塔催化剂的催化剂活性损失的方法
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
EP3788082A1 (en) 2018-05-02 2021-03-10 ExxonMobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
WO2021037590A1 (en) 2019-08-27 2021-03-04 Sabic Global Technologies B.V. Heterophasic propylene copolymer composition
WO2021130121A1 (en) 2019-12-24 2021-07-01 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
WO2021130122A1 (en) 2019-12-24 2021-07-01 Sabic Global Technologies B.V. Polymer composition with a high heat deflection temperature
US20230038583A1 (en) 2019-12-24 2023-02-09 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
EP3650494A3 (en) 2020-02-14 2020-05-27 SABIC Global Technologies B.V. Matte film comprising heterophasic propylene copolymer composition
WO2021160773A1 (en) 2020-02-14 2021-08-19 Sabic Global Technologies B.V. Film comprising heterophasic propylene copolymer composition
CN115397911A (zh) 2020-03-27 2022-11-25 Sabic环球技术有限责任公司 低温下冲击强度改进的聚合物组合物
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
EP4267673B1 (en) 2020-12-28 2026-04-29 SABIC Global Technologies B.V. Polypropylene composition with high multi-axial impact resistance and improved tiger stripe behaviour
EP4330294A1 (en) 2021-04-30 2024-03-06 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
CN118369358A (zh) 2021-12-09 2024-07-19 Sabic环球技术有限责任公司 用于烯烃聚合的催化剂体系
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
WO2023174731A1 (en) 2022-03-14 2023-09-21 Sabic Global Technologies B.V. Injection molding process
WO2023217946A1 (en) 2022-05-13 2023-11-16 Sabic Global Technologies B.V. Heterophasic polypropylene composition with low hexane extractables
US20260184904A1 (en) 2022-05-13 2026-07-02 Sabic Global Technologies B.V. Heterophasic polypropylene composition with low shrinkage
EP4522689A1 (en) 2022-05-13 2025-03-19 SABIC Global Technologies B.V. Heterophasic polypropylene composition with low emission
WO2024008770A1 (en) 2022-07-05 2024-01-11 Sabic Global Technologies B.V. Catalyst system for polymerization of an olefin
KR20250051075A (ko) 2022-08-23 2025-04-16 다우 글로벌 테크놀로지스 엘엘씨 이성분 결합제 섬유
EP4634293A1 (en) 2022-12-15 2025-10-22 SABIC Global Technologies B.V. Polypropylene composition with improved ductility/ multi-axial impact at low temperature
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
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
GB2143834B (en) * 1983-07-20 1987-06-03 Toho Titanium Co Ltd Polymerization catalyst
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
CA1311741C (en) * 1987-05-04 1992-12-22 Robert C. Job Preparation of olefin polymerization catalyst component

Also Published As

Publication number Publication date
DD274230A5 (de) 1989-12-13
AU1633688A (en) 1988-11-24
JPS6454008A (en) 1989-03-01
FI882323A0 (fi) 1988-05-18
EP0291958B1 (en) 1993-04-14
ES2039504T3 (es) 1993-10-01
KR930008452B1 (ko) 1993-09-04
CZ281856B6 (cs) 1997-03-12
IN171145B (enExample) 1992-08-01
FI92837C (fi) 1995-01-10
US5093415A (en) 1992-03-03
FI92837B (fi) 1994-09-30
BR8802429A (pt) 1988-12-13
GR3008144T3 (enExample) 1993-09-30
CZ339588A3 (en) 1996-12-11
SK279707B6 (sk) 1999-02-11
NO882159L (no) 1988-11-21
AU603444B2 (en) 1990-11-15
SK339588A3 (en) 1999-02-11
ZA883535B (en) 1989-01-25
EP0291958A2 (en) 1988-11-23
NO173142B (no) 1993-07-26
DE3880193T2 (de) 1993-08-05
JPH0725836B2 (ja) 1995-03-22
NO173142C (no) 1993-11-03
ATE88193T1 (de) 1993-04-15
NO882159D0 (no) 1988-05-18
KR880013987A (ko) 1988-12-22
NZ224679A (en) 1990-05-28
EP0291958A3 (en) 1989-11-15
DE3880193D1 (de) 1993-05-19
FI882323L (fi) 1988-11-20
CA1302640C (en) 1992-06-02

Similar Documents

Publication Publication Date Title
NZ224679A (en) Process for producing stereoregular polymers having a narrow molecular weight distribution
AU653310B2 (en) Process for the production of polyethylene
CA1274343A (en) Polymerisation of olefins using a ziegler-natta catalyst and two organometallic compounds
CA1221955A (en) Process for polymerization of olefins
DE2965167D1 (en) Process for producing an ethylene copolymer
TW357157B (en) Catalyst system and process suitable for preparing polyolefins
KR840004913A (ko) 고강성 성형품용 프로필렌 에틸렌 블록 공중합체의 제조방법
KR950701940A (ko) 1-올레핀 (공)중합용 지지촉매(supported catalyst for 1-olefin(s) (co)polymerization)
EP0754708A3 (en) Process for producing an in situ polyethylene blend
CA2395552A1 (en) Transition metal compound, ligand system, catalyst system and the use of the latter for the polymerisation and copolymerisation of olefins
AU1507397A (en) High activity staged reactor process
US3732335A (en) Process for the preparation of block polymers
US4297463A (en) Method for polymerizing α-olefin
KR920006380A (ko) 무정형 엘라스토머성 프로필렌 단독중합체의 생성방법
AU542843B2 (en) Titanium halide polymerization catalyst
JPS5618607A (en) Polymerization of ethylene
MY104507A (en) Process for the preparation of random copolymers.
US5405819A (en) Phillips catalyst for the polymerization of α-olefins
FR2423259A1 (fr) Procede de polymerisation d'a-olefines
EP0340688A3 (en) Process for the preparation of high purity alpha-olefin polymers
MY112866A (en) Gas phase polymerisation process.
JPS55102608A (en) Preparation of olefin polymer
JPS5490382A (en) Preparation of olefin polymer
JPS54133584A (en) Preparation of highly crystalline olefin polymer
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