CA1302640C - 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
CA1302640C
CA1302640C CA000567103A CA567103A CA1302640C CA 1302640 C CA1302640 C CA 1302640C CA 000567103 A CA000567103 A CA 000567103A CA 567103 A CA567103 A CA 567103A CA 1302640 C CA1302640 C CA 1302640C
Authority
CA
Canada
Prior art keywords
carbon atoms
magnesium
compound
halohydrocarbon
polycarboxylic acid
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
CA000567103A
Other languages
English (en)
French (fr)
Inventor
Robert Converse Brady, Iii
Francis Gregory Stakem
Han Tai Liu
Allen Noshay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Carbide Corp
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
Application granted granted Critical
Publication of CA1302640C publication Critical patent/CA1302640C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/901Monomer polymerized in vapor state in presence of transition metal containing catalyst

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)
  • Polymerisation Methods In General (AREA)
  • Polyamides (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Graft Or Block Polymers (AREA)
CA000567103A 1987-05-19 1988-05-18 Process for producing stereoregular polymers having a narrow molecular weight distribution Expired - Lifetime CA1302640C (en)

Applications Claiming Priority (2)

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
US051,853 1987-05-19

Publications (1)

Publication Number Publication Date
CA1302640C true CA1302640C (en) 1992-06-02

Family

ID=21973766

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000567103A Expired - Lifetime CA1302640C (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 (OSRAM)
EP (1) EP0291958B1 (OSRAM)
JP (1) JPH0725836B2 (OSRAM)
KR (1) KR930008452B1 (OSRAM)
AT (1) ATE88193T1 (OSRAM)
AU (1) AU603444B2 (OSRAM)
BR (1) BR8802429A (OSRAM)
CA (1) CA1302640C (OSRAM)
CZ (1) CZ281856B6 (OSRAM)
DD (1) DD274230A5 (OSRAM)
DE (1) DE3880193T2 (OSRAM)
ES (1) ES2039504T3 (OSRAM)
FI (1) FI92837C (OSRAM)
GR (1) GR3008144T3 (OSRAM)
IN (1) IN171145B (OSRAM)
MY (1) MY103526A (OSRAM)
NO (1) NO173142C (OSRAM)
NZ (1) NZ224679A (OSRAM)
SK (1) SK279707B6 (OSRAM)
ZA (1) ZA883535B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015073855A1 (en) 2013-11-15 2015-05-21 W.R. Grace & Co.-Conn Propylene-based polymer with reduced high-molecular weight portion

Families Citing this family (149)

* 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
JPH0725848B2 (ja) * 1988-05-12 1995-03-22 ユニオン・カーバイド・コーポレーション ランダム共重合体の製造方法
ZA897290B (en) * 1988-09-26 1990-07-25 Union Carbide Chem Plastic Process for the preparation of alpha-olefin polymers
KR950008513B1 (ko) * 1989-10-31 1995-07-31 유니온 카바이드 케미칼즈 앤드 플라스틱스 캄파니 인코포레이티드 랜덤 공중합체의 제조방법
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
CA2192862A1 (en) 1995-12-15 1997-06-16 Frederick John Karol Process for the production of long-chain branched polyolefins
FI104089B1 (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
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
US7232871B2 (en) * 1997-08-12 2007-06-19 Exxonmobil Chemical Patents Inc. Propylene ethylene polymers and production process
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
ATE235497T1 (de) 1997-12-23 2003-04-15 Borealis Tech Oy Löslicher magnesiumhalogenidkomplex, herstellung und verwendung
KR100581789B1 (ko) 1998-07-01 2006-05-23 엑손모빌 케미칼 패턴츠 인코포레이티드 프로필렌의 결정성 중합체 및 결정화가능한 중합체를포함하는 탄성 블렌드 조성물
FI981717L (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
WO2002096957A1 (en) * 2001-05-29 2002-12-05 Union Carbide Chemicals & Plastics Technology Corporation Olefin polymerization catalyst compositions and method of preparation
US6825146B2 (en) * 2001-05-29 2004-11-30 Union Carbide Chemicals & Plastics Technology Corporation Olefin polymerization catalyst compositions and method of preparation
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
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
US6927256B2 (en) * 2001-11-06 2005-08-09 Dow Global Technologies Inc. Crystallization of polypropylene using a semi-crystalline, branched or coupled nucleating agent
US6906160B2 (en) 2001-11-06 2005-06-14 Dow Global Technologies Inc. Isotactic propylene copolymer fibers, their preparation and use
ATE492552T1 (de) * 2002-04-24 2011-01-15 Symyx Solutions Inc Verbrückte bi-aromatische liganden, komplexe, katalysatoren, verfahren zur polymerisierung und entstehende polymere
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
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
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
JP4742221B2 (ja) * 2003-03-21 2011-08-10 ダウ グローバル テクノロジーズ エルエルシー モルホロジー制御オレフィン重合プロセス
KR100472771B1 (ko) * 2003-08-30 2005-03-14 주식회사 일렘테크놀러지홀딩스 고입체규칙성 폴리부텐-1 중합체 및 이의 고활성 제조방법
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
US7985811B2 (en) * 2004-01-02 2011-07-26 Univation Technologies, Llc 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
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
WO2006049857A1 (en) 2004-10-28 2006-05-11 Dow Global Technologies Inc. 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
RU2464282C2 (ru) * 2007-03-06 2012-10-20 ИНЕОС ЮЭсЭй ЭлЭлСи Способ полимеризации олефинов
US8281332B2 (en) * 2007-05-02 2012-10-02 Google Inc. Animated video overlays
WO2010021762A1 (en) 2008-08-21 2010-02-25 Dow Global Technologies Inc. Catalyst composition with mixed selectivity control agent and polymerisation method using it
EP2185609B1 (en) * 2007-08-24 2021-01-27 W.R. Grace & CO. - CONN. Gas-phase polymerization process
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
BRPI0922454A2 (pt) 2008-12-18 2018-05-22 Univation Tech Llc método para tratamento de leito de semente para uma reação de polimerização
JP5661645B2 (ja) 2009-01-08 2015-01-28 ユニベーション・テクノロジーズ・エルエルシー ポリオレフィン重合プロセス用の添加剤
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
CA2777230C (en) 2009-10-19 2015-12-22 Sasol Technology (Pty) Limited 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
ES2543635T3 (es) 2010-02-18 2015-08-20 Univation Technologies, Llc Métodos para operación de un reactor de polimerización
BR112012021122B1 (pt) 2010-02-22 2020-01-07 Univation Technologies, Llc Sistema catalítico, método para preparar o sistema catalítico e método para polimerização de olefinas
EP2558531B1 (en) 2010-04-13 2017-02-15 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
MX337727B (es) 2010-12-17 2016-03-16 Univation Tech Llc Sistemas y metodos para recuperar hidrocarburos a partir de un producto de gas de purga de poliolefinas.
US8703884B2 (en) 2010-12-22 2014-04-22 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
EP3033348B1 (en) 2013-08-12 2017-11-29 Saudi Basic Industries Corporation Catalyst system for polymerisation of an olefin
EA033164B1 (ru) 2013-12-20 2019-09-30 Сауди Бейсик Индастриз Корпорейшн Каталитическая система для полимеризации олефина
BR112016014175B1 (pt) 2013-12-20 2021-06-22 Saudi Basic Industries Corporation Sistema catalisador para polimerização de uma olefina, seu processo de preparação, poliolefina e processo de preparação da mesma
WO2015091151A1 (en) 2013-12-20 2015-06-25 Saudi Basic Industries Corporation Polyolefin composition
US9873753B2 (en) 2013-12-20 2018-01-23 Saudi Basic Industries Corporation Catalyst system for polymerization of an olefin
CN105849179B (zh) 2013-12-20 2019-11-12 沙特基础工业公司 多相丙烯共聚物
EA032114B1 (ru) 2013-12-20 2019-04-30 Сауди Бейсик Индастриз Корпорейшн Каталитическая система для полимеризации олефинов
MX2016008035A (es) 2013-12-20 2017-03-03 Saudi Basic Ind Corp Sistema catalizador para polimerizacion de una olefina.
US10000591B2 (en) 2013-12-20 2018-06-19 Saudi Basic Industries Corporation Catalyst system for polymerization of an olefin
US9676885B2 (en) 2014-04-02 2017-06-13 Univation Technologies, Llc Continuity compositions and methods of making and using the same
WO2016118566A1 (en) 2015-01-21 2016-07-28 Univation Technologies, Llc Methods for gel reduction in polyolefins
EP3915759A1 (en) 2015-01-21 2021-12-01 Univation Technologies, LLC Method for controlling polymer chain scission
BR112017019133B1 (pt) 2015-03-10 2021-11-23 Univation Technologies, Llc Método para produzir uma composição de catalisador suportado para polimerização de olefina
BR112017023052B1 (pt) 2015-04-27 2022-05-10 Univation Technologies, Llc Composição de catalisador de polimerização de poliolefina suportada e método para a produção de composição de catalisador de polimerização de olefina suportada
WO2016198344A1 (en) 2015-06-12 2016-12-15 Sabic Global Technologies B.V. Process for manufacture of low emission polypropylene
US10759883B2 (en) 2015-08-07 2020-09-01 Sabin 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
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
WO2017050870A1 (en) 2015-09-22 2017-03-30 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
US11542349B2 (en) 2016-12-12 2023-01-03 SABIC Global Technologies B.V Process for manufacture of low emission homopolymer or random polypropylene
WO2018108935A1 (en) 2016-12-12 2018-06-21 Sabic Global Technologies B.V. Process for manufacture of low emission heterophasic polypropylene
US11149139B2 (en) 2016-12-12 2021-10-19 Sabic Global Technologies B.V. Heterophasic propylene copolymer
EP3333222A1 (en) 2016-12-12 2018-06-13 SABIC Global Technologies B.V. Composition comprising heterophasic propylene copolymer
WO2018108929A1 (en) 2016-12-12 2018-06-21 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
SG11201907244SA (en) 2017-02-07 2019-09-27 Exxonmobil Chemical Patents Inc Processes for reducing the loss of catalyst activity of a ziegler-natta catalyst
WO2019217173A1 (en) 2018-05-02 2019-11-14 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
CN112055719B (zh) 2018-05-02 2022-11-25 埃克森美孚化学专利公司 从中试装置放大到较大生产设施的方法
EP4021975B1 (en) 2019-08-27 2024-04-10 SABIC Global Technologies, B.V. Heterophasic propylene copolymer composition
CN114846075B (zh) 2019-12-24 2024-05-17 Sabic环球技术有限责任公司 多相丙烯共聚物组合物
CN114929799B (zh) 2019-12-24 2024-08-20 Sabic环球技术有限责任公司 具有优异的刚度保持性和优异表面品质的泡沫制品
WO2021130122A1 (en) 2019-12-24 2021-07-01 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
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
CN114929800B (zh) 2020-02-14 2024-09-03 Sabic环球技术有限责任公司 包含多相丙烯共聚物组合物的膜
US12534604B2 (en) 2020-03-27 2026-01-27 Sabic Global Technologies B.V. Polymer composition having improved impact strength at low temperatures
US20230220136A1 (en) 2020-07-22 2023-07-13 Exxonmobil Chemical Patents Inc. Polyolefin Compositions and Articles Thereof
WO2022126068A1 (en) 2020-12-08 2022-06-16 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
WO2022144251A1 (en) 2020-12-28 2022-07-07 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
WO2023081577A1 (en) 2021-11-02 2023-05-11 Exxonmobil Chemical Patents Inc. Polyethylene compositions, articles thereof, and methods thereof
US20250101152A1 (en) 2021-12-09 2025-03-27 Sabic Global Technologies B.V. Catalyst system for polymerization of an olefin
CN118451137A (zh) 2021-12-21 2024-08-06 Sabic环球技术有限责任公司 高抗冲聚丙烯组合物
WO2023174731A1 (en) 2022-03-14 2023-09-21 Sabic Global Technologies B.V. Injection molding process
EP4493625A1 (en) 2022-03-14 2025-01-22 SABIC Global Technologies B.V. Heterophasic propylene copolymer composition
WO2023217946A1 (en) 2022-05-13 2023-11-16 Sabic Global Technologies B.V. Heterophasic polypropylene composition with low hexane extractables
EP4522666A1 (en) 2022-05-13 2025-03-19 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
US20250382394A1 (en) 2022-07-05 2025-12-18 Sabic Global Technologies B.V. Catalyst system for polymerization of an olefin
JP2025529786A (ja) 2022-08-23 2025-09-09 ダウ グローバル テクノロジーズ エルエルシー 二成分バインダー繊維
WO2024126366A1 (en) 2022-12-15 2024-06-20 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
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015073855A1 (en) 2013-11-15 2015-05-21 W.R. Grace & Co.-Conn Propylene-based polymer with reduced high-molecular weight portion
EP3068809A4 (en) * 2013-11-15 2017-05-24 W.R. Grace & CO. - CONN. Propylene-based polymer with reduced high-molecular weight portion
US9908952B2 (en) 2013-11-15 2018-03-06 W.R. Grace & Co.-Conn. Propylene-based polymer with reduced high-molecular weight portion

Also Published As

Publication number Publication date
CZ281856B6 (cs) 1997-03-12
NO882159L (no) 1988-11-21
ZA883535B (en) 1989-01-25
FI882323A0 (fi) 1988-05-18
BR8802429A (pt) 1988-12-13
KR880013987A (ko) 1988-12-22
ATE88193T1 (de) 1993-04-15
NO882159D0 (no) 1988-05-18
US5093415A (en) 1992-03-03
FI92837C (fi) 1995-01-10
NZ224679A (en) 1990-05-28
AU603444B2 (en) 1990-11-15
EP0291958B1 (en) 1993-04-14
MY103526A (en) 1993-07-31
EP0291958A2 (en) 1988-11-23
EP0291958A3 (en) 1989-11-15
JPS6454008A (en) 1989-03-01
NO173142C (no) 1993-11-03
AU1633688A (en) 1988-11-24
CZ339588A3 (en) 1996-12-11
GR3008144T3 (OSRAM) 1993-09-30
SK339588A3 (en) 1999-02-11
DE3880193D1 (de) 1993-05-19
IN171145B (OSRAM) 1992-08-01
DE3880193T2 (de) 1993-08-05
FI882323L (fi) 1988-11-20
ES2039504T3 (es) 1993-10-01
KR930008452B1 (ko) 1993-09-04
SK279707B6 (sk) 1999-02-11
NO173142B (no) 1993-07-26
JPH0725836B2 (ja) 1995-03-22
DD274230A5 (de) 1989-12-13
FI92837B (fi) 1994-09-30

Similar Documents

Publication Publication Date Title
CA1302640C (en) Process for producing stereoregular polymers having a narrow molecular weight distribution
EP0500308B1 (en) Olefin polymerization catalyst
US4724255A (en) Catalyst components, a catalyst and a process for the polymerization olefins
EP1613670B1 (en) Olefin polymerisation catalyst component containing a bicyclic cycloakane dicarboxylate as electron donor
JPH04306203A (ja) 改良されたオレフィン重合用乾燥触媒
WO2006096621A2 (en) Propylene polymer catalyst donor component
JP2954863B2 (ja) ポリプロピレンの製造方法
EP0490451B1 (en) Process for the production of polypropylene
PL152012B1 (en) Catalytic solid to be used in stereospecific polymerization of alpha-olefins, process for its preparation and process for polymerizing alpha-olefins in its presence
US5227438A (en) Process for the slowdown or termination of polymerization
JPH04110308A (ja) α−オレフィンの重合方法
JP2517395B2 (ja) ランダム共重合体の製造方法
US4981929A (en) Catalyst productivity in the polymerization of olefins
US5096869A (en) High activity vanadium-based catalyst
KR940000014B1 (ko) Hdpe 및 lldpe 중합용 고활성 찌이글러-나타 촉매의 합성
EP0825897A1 (en) Polymer-supported catalyst for olefin polymerization
KR101084937B1 (ko) 에틸렌 중합용 촉매의 제조방법
CA2033432A1 (en) High activity vanadium-based catalyst
JPH02120302A (ja) α―オレフィン重合体の製造法
CA2001411C (en) Alkene polymerization process and catalyst compositions therefor
KR20010080614A (ko) 에틸렌/프로필렌과 고급 올레핀의 공중합체 중합
KR0139882B1 (ko) 에틸렌 중합용 촉매 및 이의 제조방법
KR100546501B1 (ko) 분자량 분포에서 고분자 테일을 갖는 에틸렌 중합체 및 공중합체 제조방법
EP0878485B1 (en) A process for polymerization of olefins
JP3065107B2 (ja) α−オレフィンの重合方法

Legal Events

Date Code Title Description
MKLA Lapsed