KR890009985A - 기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법 - Google Patents

기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법 Download PDF

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KR890009985A
KR890009985A KR1019880016810A KR880016810A KR890009985A KR 890009985 A KR890009985 A KR 890009985A KR 1019880016810 A KR1019880016810 A KR 1019880016810A KR 880016810 A KR880016810 A KR 880016810A KR 890009985 A KR890009985 A KR 890009985A
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gas phase
olefins
phase polymerization
metallocene
cyclopentadienyl
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챵 메인
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벤 씨.카덴헤드
엑손 케미칼 패턴츠, 인코포레이티드
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Abstract

내용 없음

Description

기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (11)

  1. (a) 비탈수된 실리카겔을 알루미늄-트리알킬의 교반된 용액에, 알루미늄-트리알킬 대 물의 몰비가 3 : 1 내지 1: 2가 되도록 하기에 충분한 양으로 가하여 이 혼합물을 반응시키고; (b) 이 반응 혼합물에 메타로센을 가하며 ; (c) 용매를 제거하고 ; (d) 고형물을 건조시켜 자유 유동 분말을 수득하는 단계를 포함하는, 올레핀의 기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법.
  2. 제1항에 있어서, 상기 비탈수된 실리카겔이 6 내지 10중량%의 수분함량을 갖는, 올레핀의 기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법.
  3. 제1항 또는 2항에 있어서, 상기 메탈로센중의 알루미늄 대 전이금속 몰비가 1000 : 1 내지 1: 1, 바람직하게는 300 : 1 내지 10 : 1 인, 올레핀의 기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법.
  4. 제1항 내지 3항중의 어느 한 항에 있어서, 상기 비탈수된 실리카겔이 7 내지 9중량%, 바람직하게는 7.5내지 8.5중량%의 수분 함량을 가지며; 알루미늄 트리알킬(이는 트리메틸 알루미늄 또는 트리에틸 알루미늄인 것이 바람직함)대 물의 몰비가 약 1.2 : 1 내지 약 0.9 : 1 인, 올레핀의 기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법.
  5. 제1항 내지 4항중의 어느 한 항에 있어서, 상기 비탈수된 실리카겔이 표면적 200 내지 400㎡/g, 공극용적 1내지 2cc/g와 입자크기 30내지 60 를 가지고 ; 및/또는 상기 메탈로센중의 알루미늄 대 전이금속 몰비가 150 :1 내지 30 : 1이고 ; 및/또는 상기 고형물이 바람직하게 75℃ 내지 85℃의 온도에서 건조되는, 올레핀의 기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법.
  6. 제1항 내지 5항중의 어느 한 항에 있어서, 상기 메탈로센이 하기 일반식(I), (Ⅱ) 또는 (Ⅲ)을 갖는, 올레핀의 기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법 :
    (Cp)mMRnXq(Ⅰ)
    (C5Rk′)gRs″(C5R′)kMQ3-g(Ⅱ)
    Rs″(C5Rk′)2MQ′ (Ⅲ)
    상기식에서, Cp는 사이클로펜타디에닐 환이고 ; M은 IVB족 또는 VB족 전이금속이며 ; R은 탄소수 1 내지 20의 하이드로카빌그룹 또는 하이드로카복시그룹이고; X는 할로겐이며 ; m은 1 내지 3의 정수이고 ; n은 0 내지 3의 정수이며 ; q는 0 내지 3의 정수이고 ; (C5Rk′)는 사이클로펜타디에닐 또는 치환된 사이클로펜타디에닐이며 ; 각각의 R′는 같거나 다르며, 수소이거나, 탄소수 1 내지 20의 하이드로카빌라디칼, 실리콘-함유 하이드로카빌라디칼, 또는 2개의 탄소원자가 함께 결합하여 C4내지 C6환을 형성하는 하이드로카빌라디칼이고 ; R″는 2개의 (C5Rk′)환을 가교하는, C1-C4알킬렌 라디칼, 디알킬 게르마늄 또는 실리콘, 또는 알킬포스핀 또는 아민 라디칼이며 ; Q는 탄소수 1 내지 20의 하이드로카빌라디칼, 탄소수 1 내지 20의 하이드로카복시 라디칼 또는 할로겐이고, 같거나 다를 수 있으며 ; Q′는 탄소수 1내지 약 20의 알키리리덴 라디칼이고 ; s는 0 내지 1이며 ; g는 0,1 또는 2이고 ; s는 g가 0일때 0이며 ; k는 s가 1일때 4이고, s가 0일때 5이다.
  7. 제1항 내지 6항의 어느 한 항에 있어서, 상기 메탈로센이 지르코노센 또는 티타노센인, 올레핀의 기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법.
  8. 제7항에 있어서, 상기 지르코노센이 사이클로펜타디에닐 지르코늄 트리클로라이드 ; 펜타메틸사이클로펜타디에닐 지르코늄 트리클로라이드 ; 비스(사이클로펜타디에닐)지르코늄 디-페닐 ; 비스(사이클로펜타디에닐)지르코늄 디클로라이드 ; 알킬 치환된 사이클로펜타디엔 및 이들의 디할라이드 착화합물 ; 디알킬, 트리알킬, 테트라알킬 및 펜타알킬 사이클로펜타디엔, 및 이들의 디할라이드 착화합물 ; 및 실리콘, 인 및 탄소 가교된 사이클로펜타티엔 착화합물로 이루어진 그룹중에서 선택되는, 올레핀의 기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법.
  9. 제7항에 있어서, 상기 티타노센이 모노사이클로펜타디에닐 티타노센 ; 비스(사이클로펜타디에닐)티나늄 디페닐; 일반식 CP2Ti=CH2·Al(CH3)2Cl(여기에서, Cp는 사이클로펜타디에닐 또는 치환된 사이클로펜타디에닐 라디칼이다)의 카벤 및 이들의 유도체 ; 치환된 비스(Cp)Ti(Ⅳ)화합물 및 이들의 디할라이드 착화합물 ; 디알킬, 트리알킬, 테트라알킬 및 펜타알킬 사이클로펜타디에닐 티타늄 화합물 및 이들의 디할라이드 착화합물 ; 및 실리콘, 포스핀, 아민 또는 탄소-가교된 사이클로펜타디엔 착화합물 및 이들의 디할라이드 착화합물로 이루어진 그룹중에서 선택되는, 올레핀의 기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법.
  10. 제1항 내지 9항중의 어느 한 항에 따른 지지된 메탈로센-알룸옥산 촉매를 사용한, 올레핀, 예를 들면 에틸렌 및 다른 α-올레핀의 중합방법.
  11. 알루미늄 트리알킬과 수분함유 무기 충진재를 합한 다음 메탈로센을 가하여 지지된 메탈로센-알룸옥산 촉매를 제조하는 방법에 있어서, 흡수되거나 흡착된 수분을 함유하는 실리카겔 형태의 상기 충진재를 알루미늄 트리알킬의 교반된 용액에 가하는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880016810A 1987-12-17 1988-12-16 기체상 중합용 지지된 메탈로센-알룸옥산 촉매의 제조방법 KR960005917B1 (ko)

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US4937217A (en) * 1987-12-17 1990-06-26 Exxon Chemical Patents Inc. Method for utilizing triethylaluminum to prepare an alumoxane support for an active metallocene catalyst
US4925821A (en) * 1987-12-17 1990-05-15 Exxon Chemical Patents Inc. Method for utilizing triethyaluminum to prepare an alumoxane support for an active metallocene catalyst
US5086025A (en) * 1988-03-29 1992-02-04 Exxon Chemical Patents Inc. Method for preparing a silica gel supported metallocene-alumoxane catalyst
US5008228A (en) * 1988-03-29 1991-04-16 Exxon Chemical Patents Inc. Method for preparing a silica gel supported metallocene-alumoxane catalyst
US4935397A (en) * 1988-09-28 1990-06-19 Exxon Chemical Patents Inc. Supported metallocene-alumoxane catalyst for high pressure polymerization of olefins and a method of preparing and using the same
US5006500A (en) * 1988-10-27 1991-04-09 Exxon Chemical Patents Inc. Olefin polymerization catalyst from trialkylaluminum mixture, silica gel and a metallocene
US4914253A (en) * 1988-11-04 1990-04-03 Exxon Chemical Patents Inc. Method for preparing polyethylene wax by gas phase polymerization
US4904631A (en) * 1988-11-08 1990-02-27 Exxon Chemical Patents, Inc. Supported vanadium catalyst for polymerization of olefins and a process of preparing and using the same
FI85498C (fi) * 1988-11-08 1992-04-27 Neste Oy Foerfarande foer polymerisering och kopolymerisering av alfa-olefiner och ett i foerfarandet anvaent katalysatorsystem.
JP2607152B2 (ja) * 1989-08-15 1997-05-07 チッソ株式会社 オレフィン重合体の製造方法
JP2826362B2 (ja) * 1990-02-13 1998-11-18 三井化学株式会社 オレフィン重合用固体触媒の製造方法、オレフィン重合用固体触媒およびオレフィンの重合方法
DE4004477A1 (de) * 1990-02-14 1991-08-22 Schering Ag Verfahren zur herstellung von loesungen oligomerer methylaluminoxane
TW218884B (ko) 1991-05-01 1994-01-11 Mitsubishi Kakoki Kk
US6143854A (en) * 1993-08-06 2000-11-07 Exxon Chemical Patents, Inc. Polymerization catalysts, their production and use
US5240894A (en) * 1992-05-18 1993-08-31 Exxon Chemical Patents Inc. Method for making and using a supported metallocene catalyst system
US5393851A (en) * 1992-05-26 1995-02-28 Fina Technology, Inc. Process for using metallocene catalyst in a continuous reactor system
US5238892A (en) * 1992-06-15 1993-08-24 Exxon Chemical Patents Inc. Supported catalyst for 1-olefin(s) (co)polymerization
JPH07509753A (ja) * 1992-08-05 1995-10-26 エクソン・ケミカル・パテンツ・インク エチレンとｃ↓７乃至ｃ↓１↓０オレフィンの気相重合
US5420220A (en) * 1993-03-25 1995-05-30 Mobil Oil Corporation LLDPE films
US5608019A (en) * 1992-12-28 1997-03-04 Mobil Oil Corporation Temperature control of MW in olefin polymerization using supported metallocene catalyst
US5332706A (en) * 1992-12-28 1994-07-26 Mobil Oil Corporation Process and a catalyst for preventing reactor fouling
AU673048B2 (en) † 1992-12-28 1996-10-24 Mobil Oil Corporation Linear low density polyethylene film
US5602067A (en) * 1992-12-28 1997-02-11 Mobil Oil Corporation Process and a catalyst for preventing reactor fouling
US5340840A (en) * 1993-03-18 1994-08-23 The Dow Chemical Company Foam structures of ethylenic polymer material having enhanced toughness and elasticity and process for making
KR100190268B1 (ko) * 1993-04-26 1999-06-01 에인혼 해롤드 유동상에서 단량체를 중합시키는 방법
WO1995007939A1 (en) 1993-09-17 1995-03-23 Exxon Chemical Patents Inc. Polymerization catalyst systems, their production and use
US5455741A (en) * 1993-10-26 1995-10-03 Pulse Engineering, Inc. Wire-lead through hole interconnect device
KR100325898B1 (ko) * 1993-11-08 2002-06-29 그레고리 엘. 맥피케 에틸렌의중합또는공중합방법
US5614456A (en) * 1993-11-15 1997-03-25 Mobil Oil Corporation Catalyst for bimodal molecular weight distribution ethylene polymers and copolymers
SG85578A1 (en) * 1993-11-18 2002-01-15 Mobil Oil Corp Process for the polymerization or copolymerization of ethylene
US6391817B1 (en) 1993-12-28 2002-05-21 Exxonmobil Chemical Patents Inc. Method for producing a prepolymerized catalyst
US5629253A (en) * 1994-04-26 1997-05-13 Exxon Chemical Patents, Inc. Polymerization catalyst systems, their production and use
DK0685494T3 (da) * 1994-06-03 1999-02-15 Pcd Polymere Ag Katalysatorbærere, understøttede metallocenkatalysatorer og deres anvendelse til fremstilling af polyolefiner
ATE188972T1 (de) * 1994-06-24 2000-02-15 Exxon Chemical Patents Inc Polymerisationskatalysatorsystem, ihre herstellung und gebrauch
DE4431644A1 (de) * 1994-08-01 1996-03-07 Danubia Petrochem Deutschland Katalysatorsystem und Verfahren zur Polymerisation von Olefinen
US5972822A (en) * 1994-08-02 1999-10-26 The Dow Chemical Company Biscyclopentadienyldiene complex containing addition polymerization catalysts
TW454020B (en) * 1994-08-09 2001-09-11 Mitsui Chemicals Inc Olefin polymerization catalyst
TW369547B (en) * 1994-09-21 1999-09-11 Mitsui Chemicals Inc Olefin polymerization catalyst and process for olefin polymerization
US5525678A (en) * 1994-09-22 1996-06-11 Mobil Oil Corporation Process for controlling the MWD of a broad/bimodal resin produced in a single reactor
US6043180A (en) * 1994-11-17 2000-03-28 The Dow Chemical Company Supported catalyst component, supported catalyst, their preparation, and addition polymerization process
EP0728773B1 (en) * 1995-02-21 1998-11-04 Mitsubishi Chemical Corporation Catalysts for olefin polymerization and a process for preparing olefin polymers therewith
US5882750A (en) * 1995-07-03 1999-03-16 Mobil Oil Corporation Single reactor bimodal HMW-HDPE film resin with improved bubble stability
ES2120868B1 (es) * 1995-08-03 2000-09-16 Repsol Quimica Sa Sistema de catalizadores hetereogeneos tipo metalogeno, para procesos de obtencion de poliolefinas.
WO1997006187A1 (en) 1995-08-10 1997-02-20 Exxon Chemical Patents Inc. Metallocene stabilized alumoxane
US6486089B1 (en) 1995-11-09 2002-11-26 Exxonmobil Oil Corporation Bimetallic catalyst for ethylene polymerization reactions with uniform component distribution
US5854362A (en) * 1995-12-11 1998-12-29 The Dow Chemical Company Supported biscyclopentadienyl metal complexes
DE19606167A1 (de) 1996-02-20 1997-08-21 Basf Ag Geträgerte Katalysatorsysteme
US6417130B1 (en) 1996-03-25 2002-07-09 Exxonmobil Oil Corporation One pot preparation of bimetallic catalysts for ethylene 1-olefin copolymerization
ES2129323B1 (es) * 1996-04-18 2000-09-16 Repsol Quimica Sa Procedimiento para la obtencion de un sistema catalitico para la polimerizacion de alpha-olefinas en suspension en fase gas a bajas y altas temperaturas o en masa a altas presiones y altas o bajas temperaturas
JP2000514493A (ja) * 1996-07-15 2000-10-31 モービル・オイル・コーポレーション 吹込成形およびフィルム用途用コモノマー前処理２金属系触媒
US6759499B1 (en) 1996-07-16 2004-07-06 Exxonmobil Chemical Patents Inc. Olefin polymerization process with alkyl-substituted metallocenes
ATE189822T1 (de) * 1996-10-30 2000-03-15 Repsol Quimica Sa Organometallische katalysatoren für die polymerisation und die copolymerisation von alpha-olefinen
EP0839834B1 (en) 1996-10-30 2001-06-13 Repsol Quimica S.A. Catalyst systems for the polymerization and copolymerization of alpha-olefins
ES2154017T3 (es) 1996-10-31 2001-03-16 Repsol Quimica Sa Sistemas cataliticos para la polimerizacion y copolimerizacion de alfa-olefinas.
US6005463A (en) * 1997-01-30 1999-12-21 Pulse Engineering Through-hole interconnect device with isolated wire-leads and component barriers
EP0856524A1 (en) 1997-02-01 1998-08-05 Repsol Quimica S.A. Heterogeneous catalyst components for olefins polymerization, preparation process and use thereof
EP0971962B1 (en) * 1997-04-04 2004-02-11 BP Chemicals Limited Catalyst system for high yield synthesis of polyolefins
US6153551A (en) 1997-07-14 2000-11-28 Mobil Oil Corporation Preparation of supported catalyst using trialkylaluminum-metallocene contact products
US6051525A (en) * 1997-07-14 2000-04-18 Mobil Corporation Catalyst for the manufacture of polyethylene with a broad or bimodal molecular weight distribution
DE19732804A1 (de) 1997-07-30 1999-02-04 Bayer Ag Katalysatoren auf Basis von Fulven-Metallkomplexen
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
US7026404B2 (en) * 1997-08-12 2006-04-11 Exxonmobil Chemical Patents Inc. Articles made from blends made from propylene ethylene polymers
US6921794B2 (en) * 1997-08-12 2005-07-26 Exxonmobil Chemical Patents Inc. Blends made from propylene ethylene polymers
WO1999010389A1 (fr) 1997-08-21 1999-03-04 Sumitomo Chemical Company, Limited Particules modifiees, vehicule prepare a partir de ces particules, constituant de catalyseur de polymerisation d'olefine ainsi prepare, catalyseur de polymerisation d'olefine ainsi prepare et procede de preparation d'un polymere d'olefine
US5990035A (en) * 1997-10-21 1999-11-23 Koeppl; Alexander Polymerization catalyst systems, their preparation, and use
WO1999024445A1 (de) 1997-11-07 1999-05-20 Bayer Aktiengesellschaft Verfahren zur herstellung von fulven-metallkomplexen
JP4440355B2 (ja) 1998-03-25 2010-03-24 住友化学株式会社 改質された粒子、それよりなる担体、それよりなるオレフィン重合用触媒成分、それを用いてなるオレフィン重合用触媒、およびオレフィン重合体の製造方法
DE69914012T2 (de) 1998-04-27 2004-12-09 Repsol Quimica S.A. Katalysatorsysteme für die Polymerisation und Copolymerisation von Alpha-Olefinen
DE19826743A1 (de) 1998-06-16 1999-12-23 Bayer Ag Verfahren zur Herstellung von geträgerten Polymerisationskatalysatorsystemen und Verwendung dieser zur Homo- und Copolymerisation ungesättigter Monomere
EP1098934A1 (en) * 1998-07-01 2001-05-16 Exxon Chemical Patents Inc. Elastic blends comprising crystalline polymer and crystallizable polymers of propylene
ES2197649T3 (es) * 1998-08-26 2004-01-01 Exxonmobil Chemical Patents Inc. Composiciones cataliticas soportadas altamente activas.
KR100430438B1 (ko) 1998-10-22 2004-07-19 대림산업 주식회사 담지메탈로센촉매,그제조방법및이를이용한폴리올레핀의중합방법
CA2353884A1 (en) 1998-12-08 2000-06-15 Edward N. Knickerbocker Mel-bondable polypropylene/ethylene polymer fiber and composition for making the same
DE19857292A1 (de) 1998-12-11 2000-06-15 Targor Gmbh Talkumverstärkte Polypropylen-Formmasse mit hoher Schlagzähigkeit
DE19860174A1 (de) 1998-12-24 2000-06-29 Clariant Gmbh Polymeroxidate und ihre Verwendung
US6346586B1 (en) * 1999-10-22 2002-02-12 Univation Technologies, Llc Method for preparing a supported catalyst system and its use in a polymerization process
US7220804B1 (en) 2000-10-13 2007-05-22 Univation Technologies, Llc Method for preparing a catalyst system and its use in a polymerization process
US6914027B2 (en) * 2000-12-01 2005-07-05 Univation Technologies, Llc Polymerization reactor operability using static charge modifier agents
EP1390417B1 (en) * 2001-04-12 2010-10-20 ExxonMobil Chemical Patents Inc. Process for polymerizing propylene and ethylene in solution
DE10151914A1 (de) * 2001-10-20 2003-04-30 Merck Patent Gmbh Chemische Modifizierung von Partikeloberflächen durch Vernetzung
AU2002332129A1 (en) * 2001-11-30 2003-06-17 Exxonmobil Chemical Patents, Inc. Ethylene/alpha-olefin copolymer made with a non-single-site/single-site catalyst combination, its preparation and use
RU2339650C2 (ru) 2003-03-21 2008-11-27 Дау Глобал Текнолоджиз, Инк. Способ полимеризации олефинов с регулируемой морфологией
US6953764B2 (en) 2003-05-02 2005-10-11 Dow Global Technologies Inc. High activity olefin polymerization catalyst and process
TW200517426A (en) 2003-08-25 2005-06-01 Dow Global Technologies Inc Aqueous dispersion, its production method, and its use
US8722787B2 (en) 2003-08-25 2014-05-13 Dow Global Technologies Llc Coating composition and articles made therefrom
US7803865B2 (en) 2003-08-25 2010-09-28 Dow Global Technologies Inc. Aqueous dispersion, its production method, and its use
US7763676B2 (en) * 2003-08-25 2010-07-27 Dow Global Technologies Inc. Aqueous polymer dispersions and products from those dispersions
US8158711B2 (en) * 2003-08-25 2012-04-17 Dow Global Technologies Llc Aqueous dispersion, its production method, and its use
US9169406B2 (en) 2003-08-25 2015-10-27 Dow Global Technologies Llc Coating compositions
US8349929B2 (en) * 2003-08-25 2013-01-08 Dow Global Technologies Llc Coating composition and articles made therefrom
US8779053B2 (en) 2003-08-25 2014-07-15 Dow Global Technologies Llc Coating compositions
US8946329B2 (en) 2003-08-25 2015-02-03 Dow Global Technologies Llc Coating compositions
US8357749B2 (en) * 2003-08-25 2013-01-22 Dow Global Technologies Llc Coating composition and articles made therefrom
US7385015B2 (en) * 2004-10-12 2008-06-10 Exxonmobil Chemical Patents Inc. Trialkylaluminum treated supports
US8093341B2 (en) 2004-10-28 2012-01-10 Dow Global Technologies Llc Method of controlling a polymerization reactor
EP1803747A1 (en) 2005-12-30 2007-07-04 Borealis Technology Oy Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films
RU2008147906A (ru) 2006-05-05 2010-06-10 Дау Глобал Текнолоджиз Инк. (Us) Комплексы гафния с замещенными карбазолилом имидазольными лигандами
BRPI0815807B1 (pt) 2007-08-29 2021-05-11 W.R.Grace & Co.-Conn composição de ativadores de catalisador de aluminoxanos derivados dos agentes precursores do cátion dialquilalumínio, processos para fazer os mesmos, e sua utilização em catalisadores e polimerização de olefinas.
TW200932762A (en) 2007-10-22 2009-08-01 Univation Tech Llc Polyethylene compositions having improved properties
US7906588B2 (en) 2007-10-26 2011-03-15 Exxonmobil Chemical Patents Inc. Soft heterogeneous isotactic polypropylene compositions
TW200936619A (en) 2007-11-15 2009-09-01 Univation Tech Llc Polymerization catalysts, methods of making, methods of using, and polyolefin products made therefrom
KR101271055B1 (ko) 2008-03-28 2013-06-04 에스케이종합화학 주식회사 메탈로센 담지촉매 조성물 및 이를 이용한 폴리올레핀의제조방법
EP2172490A1 (en) 2008-10-03 2010-04-07 Ineos Europe Limited Controlled polymerisation process
KR101698618B1 (ko) 2009-01-08 2017-01-20 유니베이션 테크놀로지즈, 엘엘씨 폴리올레핀 중합 방법을 위한 첨가제
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
DE102009020090A1 (de) 2009-05-06 2010-11-11 Lanxess Deutschland Gmbh Reduktion des Einflusses der Wasseraufnahme auf die elektrische Leitfähigkeit von elektrisch leitfähigen Polyamid-Formmassen
CN102803280A (zh) 2009-06-11 2012-11-28 格雷斯公司 制造铝氧烷的方法和包括由此制备的铝氧烷的催化剂
EP2456796B1 (en) 2009-07-23 2013-07-17 Univation Technologies, LLC Polymerization reaction system
WO2011078923A1 (en) 2009-12-23 2011-06-30 Univation Technologies, Llc Methods for producing catalyst systems
EP2357035A1 (en) 2010-01-13 2011-08-17 Ineos Europe Limited Polymer powder storage and/or transport and/or degassing vessels
MY159256A (en) 2010-02-18 2016-12-30 Univation Tech Llc Methods for operating a polymerization reactor
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
WO2011129956A1 (en) 2010-04-13 2011-10-20 Univation Technologies, Llc Polymer blends and films made therefrom
EP2383298A1 (en) 2010-04-30 2011-11-02 Ineos Europe Limited Polymerization process
EP2383301A1 (en) 2010-04-30 2011-11-02 Ineos Europe Limited Polymerization process
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
US9012347B2 (en) 2010-09-29 2015-04-21 Lg Chem, Ltd. Method for preparing supported hybrid metallocene catalyst
US9394381B2 (en) 2010-11-29 2016-07-19 Ineos Sales (Uk) Limited Polymerisation control process
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
RU2577324C2 (ru) 2010-12-22 2016-03-20 Юнивейшн Текнолоджиз, Ллк Добавка для способов полимеризации полиолефина
US8383740B1 (en) 2011-08-12 2013-02-26 Ineos Usa Llc Horizontal agitator
WO2013028283A1 (en) 2011-08-19 2013-02-28 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
ES2665545T3 (es) 2011-10-17 2018-04-26 Ineos Europe Ag Control del proceso de desgasificación del polímero
EP2776476B1 (en) 2011-11-08 2019-03-13 Univation Technologies, LLC Methods for producing polyolefins with catalyst systems
EP2800766B1 (en) 2012-03-05 2019-09-04 Univation Technologies, LLC Methods for making catalyst compositions and polymer products produced therefrom
US9695254B2 (en) 2012-11-26 2017-07-04 Braskem S.A. Metallocene catalyst supported by hybrid supporting means, process for producing same, polymerization process for producing an ethylene homopolymer or copolymer with broad or bimodal molar mass distribution, use of the supported metallocene catalyst and ethylene polymer with broad or bimodal molar mass distribution
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
JP6328659B2 (ja) 2012-12-28 2018-05-23 ダウ グローバル テクノロジーズ エルエルシー コーティング組成物
EP2938434B1 (en) 2012-12-28 2022-05-04 Univation Technologies, LLC Supported catalyst with improved flowability
KR102239585B1 (ko) 2012-12-28 2021-04-12 다우 글로벌 테크놀로지스 엘엘씨 코팅 조성물 및 그로부터 제조된 물품
KR102113899B1 (ko) 2013-02-07 2020-05-21 유니베이션 테크놀로지즈, 엘엘씨 폴리올레핀의 제조
CN107266620B (zh) 2013-03-15 2020-09-01 尤尼威蒂恩技术有限责任公司 催化剂的配体
JP6360549B2 (ja) 2013-03-15 2018-07-18 ユニベーション・テクノロジーズ・エルエルシー オレフィン重合触媒用の三座窒素系配位子
EP3287473B1 (en) 2013-06-05 2019-10-16 Univation Technologies, LLC Protecting phenol groups
BR112017003306B1 (pt) 2014-08-19 2022-03-03 Univation Technologies, Llc Método para preparar um suporte de catalisador fluorado e sistema de catalisador
US10208139B2 (en) 2014-08-19 2019-02-19 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
CA2957809C (en) 2014-08-19 2023-01-03 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
EP3915759A1 (en) 2015-01-21 2021-12-01 Univation Technologies, LLC Method for controlling polymer chain scission
WO2016118566A1 (en) 2015-01-21 2016-07-28 Univation Technologies, Llc Methods for gel reduction in polyolefins
KR102006096B1 (ko) 2015-05-08 2019-07-31 엑손모빌 케미칼 패턴츠 인코포레이티드 중합 방법
US10465020B2 (en) 2015-05-29 2019-11-05 Dow Global Technologies Llc Process for producing a polyolefin
WO2018063765A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063767A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063764A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
EP3519466B1 (en) 2016-09-27 2023-07-05 Univation Technologies, LLC Method for long chain branching control in polyethylene production
WO2018118155A1 (en) 2016-12-20 2018-06-28 Exxonmobil Chemical Patents Inc. Polymerization process
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
US11193008B2 (en) 2017-04-10 2021-12-07 Exxonmobil Chemical Patents Inc. Methods for making polyolefin polymer compositions
US10947329B2 (en) 2017-05-10 2021-03-16 Univation Technologies, Llc Catalyst systems and processes for using the same
US11591417B2 (en) 2017-12-13 2023-02-28 Exxonmobil Chemical Patents Inc. Deactivation methods for active components from gas phase polyolefin polymerization processes
WO2019173030A1 (en) 2018-03-08 2019-09-12 Exxonmobil Chemical Patents Inc. Methods of preparing and monitoring a seed bed for polymerization reactor startup
EP3788081A1 (en) 2018-05-02 2021-03-10 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
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
US20230391801A1 (en) * 2020-11-23 2023-12-07 Exxonmobil Chemical Patents Inc. Toluene Free Preparation of SMAO: Heating with TMA to Improve Activity
WO2022126068A1 (en) 2020-12-08 2022-06-16 Exxonmobil Chemical Patents Inc. High density polyethylene compositions with long-chain branching

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300458A (en) * 1963-08-19 1967-01-24 Union Carbide Corp Continuous processes for the production of ethylene polymers and catalysts suitable therefor
DE3240382A1 (de) * 1982-11-02 1984-05-03 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von gefuellten polyolefinen
DE3240383A1 (de) * 1982-11-02 1984-05-03 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von oligomeren aluminoxanen
US4530914A (en) * 1983-06-06 1985-07-23 Exxon Research & Engineering Co. Process and catalyst for producing polyethylene having a broad molecular weight distribution
US4508843A (en) * 1983-08-08 1985-04-02 Exxon Research & Engineering Co. Supported polyolefin catalyst for the polymerization of ethylene under high temperatures
DE3424697C2 (de) * 1984-07-05 1999-07-08 Targor Gmbh Verfahren zur Polymerisation von Ethylen oder von Mischungen von Ethylen mit anderen 1-Olefinen
US4568658A (en) * 1984-09-05 1986-02-04 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefins at low reactants partial pressures
US4808561A (en) * 1985-06-21 1989-02-28 Exxon Chemical Patents Inc. Supported polymerization catalyst
US4665208A (en) * 1985-07-11 1987-05-12 Exxon Chemical Patents Inc. Process for the preparation of alumoxanes
US4701432A (en) * 1985-11-15 1987-10-20 Exxon Chemical Patents Inc. Supported polymerization catalyst
CA1304746C (en) * 1987-08-31 1992-07-07 The Dow Chemical Company Preparation of polyhydrocarbylaluminoxanes
EP0315234A1 (en) * 1987-10-26 1989-05-10 Texas Alkyls, Inc. Process for preparation of aluminoxanes
US4937217A (en) * 1987-12-17 1990-06-26 Exxon Chemical Patents Inc. Method for utilizing triethylaluminum to prepare an alumoxane support for an active metallocene catalyst
US4937301A (en) * 1987-12-17 1990-06-26 Exxon Chemical Patents Inc. Method for preparing a supported metallocene-alumoxane catalyst for gas phase polymerization

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AU2596188A (en) 1989-06-29
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FI885570A (fi) 1989-06-18
PT89232B (pt) 1993-07-30
FI885570A0 (fi) 1988-11-30
NO885363D0 (no) 1988-12-01
NO885363L (no) 1989-06-19
AU621320B2 (en) 1992-03-12
IL88494A0 (en) 1989-06-30
EP0323716B1 (en) 1992-09-02
PL276458A1 (en) 1989-07-24
KR960005917B1 (ko) 1996-05-03
CA1327347C (en) 1994-03-01
ES2034269T3 (es) 1993-04-01
HUT48912A (en) 1989-07-28
BR8806673A (pt) 1989-08-29
EP0323716A1 (en) 1989-07-12

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