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)
  • Polymerisation Methods In General (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polyamides (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 (Direct)
EP (1) EP0291958B1 (Direct)
JP (1) JPH0725836B2 (Direct)
KR (1) KR930008452B1 (Direct)
AT (1) ATE88193T1 (Direct)
AU (1) AU603444B2 (Direct)
BR (1) BR8802429A (Direct)
CA (1) CA1302640C (Direct)
CZ (1) CZ281856B6 (Direct)
DD (1) DD274230A5 (Direct)
DE (1) DE3880193T2 (Direct)
ES (1) ES2039504T3 (Direct)
FI (1) FI92837C (Direct)
GR (1) GR3008144T3 (Direct)
IN (1) IN171145B (Direct)
MY (1) MY103526A (Direct)
NO (1) NO173142C (Direct)
NZ (1) NZ224679A (Direct)
SK (1) SK279707B6 (Direct)
ZA (1) ZA883535B (Direct)

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.
JPH01313510A (ja) * 1988-04-29 1989-12-19 Union Carbide Corp 高純度α―オレフィンポリマーの製造方法
BR8902205A (pt) * 1988-05-12 1990-01-02 Union Carbide Corp Processo para a producao de um copolimero randomico
CN1041368A (zh) * 1988-09-26 1990-04-18 联合碳化化学品及塑料有限公司 α-烯烃聚合物的制备方法
BR9005444A (pt) * 1989-10-31 1991-09-17 Union Carbide Chem Plastic Processo para a preparacao de copolimeros aleatorios
KR950008513B1 (ko) * 1989-10-31 1995-07-31 유니온 카바이드 케미칼즈 앤드 플라스틱스 캄파니 인코포레이티드 랜덤 공중합체의 제조방법
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
AU689895B2 (en) * 1994-07-11 1998-04-09 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
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
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
ES2196637T3 (es) 1997-12-23 2003-12-16 Borealis Tech Oy Complejo soluble de dihaluro de magnesio, preparacion y uso.
AU4962399A (en) * 1998-07-01 2000-01-24 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
EP1390417B1 (en) 2001-04-12 2010-10-20 ExxonMobil Chemical Patents Inc. Process for polymerizing propylene and ethylene in solution
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
US6927256B2 (en) 2001-11-06 2005-08-09 Dow Global Technologies Inc. Crystallization of polypropylene using a semi-crystalline, branched or coupled nucleating agent
SG147306A1 (en) 2001-11-06 2008-11-28 Dow Global Technologies Inc Isotactic propylene copolymers, their preparation and use
US7060848B2 (en) * 2002-04-24 2006-06-13 Symyx Technologies, Inc. Bridged bi-aromatic catalysts, complexes, and methods of using the same
JP4371305B2 (ja) * 2002-04-24 2009-11-25 シミックス・ソルーションズ・インコーポレーテッド 架橋ビス芳香族リガンド、錯体、触媒、または、重合方法およびそれにより得られるポリマー
US7091292B2 (en) 2002-04-24 2006-08-15 Symyx Technologies, Inc. Bridged bi-aromatic catalysts, complexes, and methods of using the same
EP1620479B1 (en) 2002-10-15 2013-07-24 ExxonMobil Chemical Patents Inc. Polyolefin adhesive compositions and articles made 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
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
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
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
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
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
US7989562B2 (en) 2006-10-03 2011-08-02 Univation Technologies, Llc Method for preventing catalyst agglomeration based on production rate changes
US20100210795A1 (en) * 2007-03-06 2010-08-19 Michel Clarembeau Gas-phase propylene polymerization process using staged addition of aluminum alkyl
US8281332B2 (en) * 2007-05-02 2012-10-02 Google Inc. Animated video overlays
US8324327B2 (en) * 2007-08-24 2012-12-04 Dow Global Technologies Llc 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
KR101602980B1 (ko) 2008-08-21 2016-03-21 더블유.알. 그레이스 앤드 캄파니-콘. 혼합된 선택성 조절제를 갖는 촉매 조성물 및 이를 사용하는 중합 방법
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
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
EP2376540B1 (en) 2009-01-08 2013-04-03 Univation Technologies, LLC Additive for polyolefin polymerization processes
GB0906680D0 (en) * 2009-04-17 2009-06-03 Univ Surrey A low-k material
ES2446096T3 (es) 2009-10-19 2014-03-06 Sasol Technology (Proprietary) Limited Oligomerización de compuestos olefínicos con formación de polímero reducida.
EP2510019A2 (en) 2009-12-07 2012-10-17 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
BR112012020762B1 (pt) 2010-02-18 2020-04-07 Univation Tech Llc método para inativar um reator de polimerização de fase gasosa
RU2563032C2 (ru) 2010-02-22 2015-09-20 Юнивейшн Текнолоджиз, Ллк Каталитические системы и способы их применения для получения полиолефиновых продуктов
BR112012025925B1 (pt) 2010-04-13 2020-03-17 Univation Technologies, Llc Mistura polimérica e filme
WO2012009215A1 (en) 2010-07-16 2012-01-19 Univation Technologies, Llc Systems and methods for measuring static charge on particulates
US20130115708A1 (en) 2010-07-16 2013-05-09 Univation Technologies, Llc Systems and Methods for Measuring Particle Accumulation on Reactor Surfaces
WO2012015898A1 (en) 2010-07-28 2012-02-02 Univation Technologies, Llc Systems and methods for measuring velocity of a particle/fluid mixture
US20130197173A1 (en) * 2010-10-19 2013-08-01 Basell Poliolefine Italia S.R.L. Catalyst system for the polymerization of olefins
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.
CN103347905B (zh) 2010-12-22 2015-12-16 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
WO2013028283A1 (en) 2011-08-19 2013-02-28 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
KR102022132B1 (ko) 2011-11-08 2019-09-17 유니베이션 테크놀로지즈, 엘엘씨 촉매 시스템의 제조 방법
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
CN105636967B (zh) 2013-08-12 2018-09-28 沙特基础工业公司 用于烯烃聚合的催化剂体系
US9908952B2 (en) 2013-11-15 2018-03-06 W.R. Grace & Co.-Conn. Propylene-based polymer with reduced high-molecular weight portion
WO2015091810A1 (en) 2013-12-20 2015-06-25 Saudi Basic Industries Corporation Heterophasic propylene copolymer
US10640586B2 (en) 2013-12-20 2020-05-05 Saudi Basic Industries Corporation Catalyst system for polymerization of an olefin
US10047218B2 (en) 2013-12-20 2018-08-14 Saudi Basic Industries Corporation Polyolefin composition
BR112016014027B1 (pt) 2013-12-20 2021-03-23 Sabic Global Technologies B.V. Sistema catalisador para a polimerização de uma olefina, seu processo de preparação, poliolefina e processo de preparação da mesma
MX2016008022A (es) 2013-12-20 2017-05-10 Saudi Basic Ind Corp Sistema catalizador para polimerizacion de una olefina.
EA034562B1 (ru) 2013-12-20 2020-02-20 Сауди Бейсик Индастриз Корпорейшн Композиция катализатора для полимеризации олефинов
WO2015091966A1 (en) 2013-12-20 2015-06-25 Saudi Basic Industries Corporation Catalyst system for polymerization of an olefin
KR102288227B1 (ko) 2013-12-20 2021-08-11 사우디 베이식 인더스트리즈 코포레이션 올레핀 중합용 촉매 시스템
WO2015153082A1 (en) 2014-04-02 2015-10-08 Univation Technologies, Llc Continuity compositions and methods of making and using the same
CN107206655B (zh) 2015-01-21 2019-09-06 尤尼威蒂恩技术有限责任公司 用于控制聚合物链断裂的方法
CA2974122C (en) 2015-01-21 2023-09-19 Univation Technologies, Llc Methods for gel reduction in polyolefins
CN107428875B (zh) 2015-03-10 2021-02-26 尤尼威蒂恩技术有限责任公司 喷雾干燥催化剂组合物、制备方法以及在烯烃聚合工艺中的用途
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
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
CN108137718B (zh) 2015-08-07 2020-07-14 Sabic环球技术有限责任公司 用于烯烃聚合的方法
US10696756B2 (en) 2015-08-07 2020-06-30 Sabic Global Technologies B.V. Process for the polymerization of olefins
US10745499B2 (en) 2015-08-07 2020-08-18 Sabic Global Technologies B.V. Process for the polymerization of olefins
CN108349873B (zh) 2015-09-22 2022-12-23 Sabic环球技术有限责任公司 取代的酰胺基苯甲酸酯化合物的合成及其作为不含邻苯二甲酸酯的内给电子体的用途
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
EP3510056B2 (en) 2016-09-08 2023-07-19 SABIC Global Technologies B.V. Process of preparing polyolefin with the discontinuous addition of a thermal runaway reducing agent
US10975183B2 (en) 2016-09-09 2021-04-13 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
US11542349B2 (en) 2016-12-12 2023-01-03 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
EP3551695B1 (en) 2016-12-12 2023-09-06 SABIC Global Technologies B.V. Pellet comprising thermoplastic polymer sheath surrounding glass filaments having reduced emissions
WO2018108935A1 (en) 2016-12-12 2018-06-21 Sabic Global Technologies B.V. Process for manufacture of low emission heterophasic polypropylene
US11186654B2 (en) 2016-12-20 2021-11-30 Exxonmobil Chemical Patents Inc. Methods for controlling start up conditions in polymerization processes
US11311870B2 (en) 2017-02-07 2022-04-26 Exxonmobil Chemical Patents Inc. Processes for reducing the loss of catalyst activity of a Ziegler-Natta catalyst
CN112055720B (zh) 2018-05-02 2022-11-22 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
EP3788081B1 (en) 2018-05-02 2025-07-02 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
WO2021130140A1 (en) 2019-12-24 2021-07-01 Sabic Global Technologies B.V. Foamed article with excellent stiffness preservation and superior surface quality
US12338344B2 (en) 2019-12-24 2025-06-24 Sabic Global Technologies B.V. Polymer composition with a high heat deflection temperature
WO2021130123A1 (en) 2019-12-24 2021-07-01 Sabic Global Technologies B.V. Heterophasic propylene copolymer composition
US12441875B2 (en) 2019-12-24 2025-10-14 Sabic Global Technologies B.V. Heterophasic propylene copolymer composition with low gloss
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
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
EP4127056A1 (en) 2020-03-27 2023-02-08 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
WO2022126068A1 (en) 2020-12-08 2022-06-16 Exxonmobil Chemical Patents Inc. High density polyethylene compositions with long-chain branching
US20240052149A1 (en) 2020-12-18 2024-02-15 Sabic Global Technologies B.V. Polymer composition with high gloss, low shrinkage and high impact resistance
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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
CA1311741C (en) * 1987-05-04 1992-12-22 Robert C. Job Preparation of olefin polymerization catalyst component

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NO173142B (no) 1993-07-26
BR8802429A (pt) 1988-12-13
SK339588A3 (en) 1999-02-11
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ES2039504T3 (es) 1993-10-01
EP0291958B1 (en) 1993-04-14
ATE88193T1 (de) 1993-04-15
EP0291958A2 (en) 1988-11-23
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MY103526A (en) 1993-07-31
JPS6454008A (en) 1989-03-01
DD274230A5 (de) 1989-12-13
KR880013987A (ko) 1988-12-22
IN171145B (Direct) 1992-08-01
US5093415A (en) 1992-03-03
NO173142C (no) 1993-11-03
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AU603444B2 (en) 1990-11-15
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EP0291958A3 (en) 1989-11-15
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JPH0725836B2 (ja) 1995-03-22
NO882159L (no) 1988-11-21
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