AU522013B2 - Catalyst for olefin polymerization - Google Patents

Catalyst for olefin polymerization

Info

Publication number
AU522013B2
AU522013B2 AU36281/78A AU3628178A AU522013B2 AU 522013 B2 AU522013 B2 AU 522013B2 AU 36281/78 A AU36281/78 A AU 36281/78A AU 3628178 A AU3628178 A AU 3628178A AU 522013 B2 AU522013 B2 AU 522013B2
Authority
AU
Australia
Prior art keywords
catalyst
olefin polymerization
olefin
polymerization
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
Application number
AU36281/78A
Other languages
English (en)
Other versions
AU3628178A (en
Inventor
Lucchini And Ulsen Guiliani Umberto
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 Montedison SpA filed Critical Montedison SpA
Publication of AU3628178A publication Critical patent/AU3628178A/en
Application granted granted Critical
Publication of AU522013B2 publication Critical patent/AU522013B2/en
Expired 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
    • 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
AU36281/78A 1977-05-24 1978-05-19 Catalyst for olefin polymerization Expired AU522013B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT23942/77A IT1078995B (it) 1977-05-24 1977-05-24 Catalizzatori per la polimeriazzazione di olefine
ITIT7723942 1977-05-24

Publications (2)

Publication Number Publication Date
AU3628178A AU3628178A (en) 1979-11-22
AU522013B2 true AU522013B2 (en) 1982-05-13

Family

ID=11211023

Family Applications (1)

Application Number Title Priority Date Filing Date
AU36281/78A Expired AU522013B2 (en) 1977-05-24 1978-05-19 Catalyst for olefin polymerization

Country Status (21)

Country Link
US (1) US4218339A (member.php)
JP (1) JPS5416393A (member.php)
AT (1) AT362931B (member.php)
AU (1) AU522013B2 (member.php)
BE (1) BE867400A (member.php)
BR (1) BR7803292A (member.php)
CA (1) CA1120910A (member.php)
DE (1) DE2822809A1 (member.php)
DK (1) DK151891C (member.php)
ES (1) ES470120A1 (member.php)
FR (1) FR2392037A1 (member.php)
GB (1) GB1601426A (member.php)
GR (1) GR72907B (member.php)
IT (1) IT1078995B (member.php)
MX (1) MX150091A (member.php)
NL (1) NL186701C (member.php)
NO (1) NO153575C (member.php)
PT (1) PT68068B (member.php)
SE (1) SE440224B (member.php)
SU (1) SU812185A3 (member.php)
ZA (1) ZA782971B (member.php)

Families Citing this family (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1100285B (it) * 1978-11-21 1985-09-28 Euteco Spa Catalizzatori con supporti misti per la cmo- e co-polimezzazione di alfa-olefine
JPS55133408A (en) * 1979-04-05 1980-10-17 Sumitomo Chem Co Ltd Polymerization of olefin
US4363746A (en) * 1979-05-29 1982-12-14 Phillips Petroleum Company Composition of matter and method of preparing same, catalyst, method of producing the catalyst and polymerization process employing the catalyst
EP0032309A3 (en) * 1980-01-10 1981-08-05 Imperial Chemical Industries Plc Production of catalyst component, catalyst and use thereof
US4468477A (en) * 1980-01-10 1984-08-28 Imperial Chemical Industries Plc Production of catalyst component, catalyst and use thereof
US4384087A (en) * 1980-03-24 1983-05-17 Phillips Petroleum Company Composition of matter and method of preparing same, catalyst, method of producing the catalyst and polymerization process employing the catalyst
IT1150031B (it) * 1980-07-24 1986-12-10 Montedison Spa Componenti di catalizzatori per la polimerizzazione dell'etilene
IT1132230B (it) * 1980-07-24 1986-06-25 Anic Spa Procedimento per la produzione dell'enzima colesterolo-esterasi e per idrolisi degli esteri con acidi grassi del colesterolo mediante l'impiego dell'enzima stesso
US4429087A (en) 1980-08-04 1984-01-31 Phillips Petroleum Company Polymerization catalyst and process
IT1209255B (it) * 1980-08-13 1989-07-16 Montedison Spa Catalizzatori per la polimerizzazione di olefine.
US6777508B1 (en) 1980-08-13 2004-08-17 Basell Poliolefine Italia S.P.A. Catalysts for the polymerization of olefins
US4335016A (en) * 1981-02-23 1982-06-15 Chemplex Company Catalyst and method
US4394291A (en) * 1981-03-04 1983-07-19 Phillips Petroleum Company Polyolefin polymerization process and catalyst
JPS57182304A (en) * 1981-05-07 1982-11-10 Nippon Oil Co Ltd Production of polyolefin
US4617361A (en) * 1981-05-18 1986-10-14 Phillips Petroleum Company Process and catalyst for olefin polymerization
US4384982A (en) 1981-05-18 1983-05-24 Phillips Petroleum Company Process and catalyst for olefin polymerization
US4396747A (en) * 1981-05-22 1983-08-02 Phillips Petroleum Company Zirconium-titanium catalyzed olefin polymerization
US4472523A (en) * 1981-05-22 1984-09-18 Phillips Petroleum Company Zirconium-titanium catalyzed olefin polymerization
US4391736A (en) * 1981-06-05 1983-07-05 Phillips Petroleum Company Alpha-olefin polymerization
FR2510586A1 (fr) * 1981-07-30 1983-02-04 Charbonnages Ste Chimique Catalyseur homogene comprenant un metal de transition et du magnesium, son procede de preparation et son application a la polymerisation de l'ethylene
JPS5834810A (ja) * 1981-08-25 1983-03-01 Nippon Oil Co Ltd ポリオレフインの製造方法
IT1169291B (it) * 1981-12-24 1987-05-27 Montedison Spa Componenti di catalizzatori per la polimerizzazione dell'etilene e sue miscele con olefine ed i soui catalizzatori da essi ottenuti
IT1169292B (it) * 1981-12-24 1987-05-27 Montedison Spa Componenti di catalizzatori per la polimerizzazione delle alfa olefine e i catalizzatori da essi ottenuti
US4440869A (en) * 1982-09-30 1984-04-03 Conoco Inc. Olefin polymerization catalyst
US4699961A (en) * 1982-09-30 1987-10-13 E. I. Du Pont De Nemours & Co. High efficiency catalysts for varying olefin polymer molecular weight distribution
US4518706A (en) * 1982-09-30 1985-05-21 E. I. Du Pont De Nemours And Company Hydrocarbon soluble catalyst supports and resultant polymerization catalysts
US4511669A (en) * 1982-09-30 1985-04-16 E. I. Du Pont De Nemours And Company High efficiency catalysts for varying olefin polymer molecular weight distribution
US4532312A (en) * 1982-12-15 1985-07-30 Phillips Petroleum Company Polyolefin polymerization process and catalyst
US4477588A (en) * 1982-12-15 1984-10-16 Phillips Petroleum Company Polyolefin polymerization process and catalyst
US4472521A (en) * 1982-12-20 1984-09-18 Stauffer Chemical Company Supported catalyst for polymerization of olefins
JPS59221309A (ja) * 1983-05-31 1984-12-12 Toa Nenryo Kogyo Kk オレフイン重合用触媒成分
JPS6049006A (ja) * 1983-08-30 1985-03-18 Toa Nenryo Kogyo Kk α―オレフイン重合用触媒成分
JPS6049007A (ja) * 1983-08-30 1985-03-18 Toa Nenryo Kogyo Kk α―オレフイン重合用触媒成分
JPS6049005A (ja) * 1983-08-30 1985-03-18 Toa Nenryo Kogyo Kk α―オレフイン重合用触媒成分
JPS6049004A (ja) * 1983-08-30 1985-03-18 Toa Nenryo Kogyo Kk α―オレフイン重合用触媒成分
US4625003A (en) * 1983-08-30 1986-11-25 Toa Nenryo Kogyo Kabushiki Kaisha Catalyst component for polymerization of olefins (P-1026)
JPH062772B2 (ja) * 1984-02-28 1994-01-12 東燃株式会社 オレフイン重合用触媒成分の製造方法
IT1178466B (it) 1984-03-20 1987-09-09 Montedison Spa Catalizzatori per la omo e copolimerizzazione dell'etilene e polimeri ottenuti
US4866022A (en) * 1984-03-23 1989-09-12 Amoco Corporation Olefin polymerization catalyst
US4988656A (en) * 1984-03-23 1991-01-29 Amoco Corporation Olefin polymerization catalyst
US4618662A (en) * 1984-04-23 1986-10-21 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefins
US4544716A (en) * 1984-06-22 1985-10-01 Phillips Petroleum Company Polyolefin polymerization process and catalyst
JPH0665687B2 (ja) * 1984-09-13 1994-08-24 日産化学工業株式会社 改良されたエチレンの重合もしくは共重合方法
JPH0730128B2 (ja) * 1984-10-04 1995-04-05 チッソ株式会社 オレフィン重合用固体触媒成分の製造法
EP0240254A3 (en) * 1986-03-31 1989-07-26 Exxon Chemical Patents Inc. Polymerization catalyst, production and use
CA1293242C (en) * 1986-06-17 1991-12-17 Gregory Gerasimos Arzoumanidis Olefin polymerization catalyst
EP0360297B1 (en) * 1986-06-17 1993-02-10 Amoco Corporation Olefin polymerization catalyst
US4829038A (en) * 1986-06-17 1989-05-09 Amoco Corporation Alpha-olefin polymerization catalyst system including an advantageous modifier component
US5278118A (en) * 1986-10-02 1994-01-11 Ausimont, S.P.A. Catalysts for the preparation of elastomeric olefinic copolymers
US5024982A (en) * 1988-12-14 1991-06-18 Phillips Petroleum Company Silica-containing olefin polymerization catalysts and process
US5238891A (en) * 1989-06-15 1993-08-24 Phillips Petroleum Company Olefin polymerization catalyst and process
US5237025A (en) * 1990-10-09 1993-08-17 Phillips Petroleum Company Process for making bimodal polyolefins using two independent particulate catalysts
IT1252041B (it) * 1990-10-11 1995-05-29 Enimont Anic Srl Componente solido di catalizzatore per la (co)polimerizzazione dell'etilene
IT1251796B (it) * 1991-07-15 1995-05-26 Himont Inc Componenti e catalizzatori per la polimerizzazione di etilene
JP3311780B2 (ja) * 1991-07-23 2002-08-05 三菱化学株式会社 オレフィン重合体の製造方法
IT1262934B (it) * 1992-01-31 1996-07-22 Montecatini Tecnologie Srl Componenti e catalizzatori per la polimerizzazione di olefine
IT1262933B (it) * 1992-01-31 1996-07-22 Montecatini Tecnologie Srl Processo per la polimerizzazione in fase gas di alfa-olefine
BE1005982A3 (fr) * 1992-06-09 1994-04-12 Solvay Procede de fabrication d'un solide catalytique, solide catalytique et procede de (co)polymerisation d'olefines au moyen de ce solide catalytique.
DE69317331T2 (de) * 1992-06-18 1998-10-15 Montell North America Inc Verfahren und Apparat für Gasphase-Polymerisation von Olefinen
US5206314A (en) * 1992-08-31 1993-04-27 Phillips Petroleum Company Polyolefin polymerization process, process of producing catalyst, and catalyst
IT1264679B1 (it) 1993-07-07 1996-10-04 Spherilene Srl Catalizzatori per la (co)polimerizzazione di etilene
IT1269194B (it) * 1994-01-21 1997-03-21 Spherilene Srl Composizioni polimeriche ad elevata processabilita' basate su lldpe
US6686433B1 (en) 1994-02-04 2004-02-03 Exxonmobil Chemical Patents Inc. Dual donor catalyst system for the polymerization of olefins
ES2119401T3 (es) * 1994-02-04 1998-10-01 Exxon Chemical Patents Inc Sistema catalizador para la polimerizacion de olefinas con dos donantes.
US5521263A (en) * 1994-10-18 1996-05-28 Eastman Chemical Company Catalysts and synthesis of high molecular weight amorphous polyolefins and recovery thereof
IT1275573B (it) * 1995-07-20 1997-08-07 Spherilene Spa Processo ed apparecchiatura per la pomimerizzazione in fase gas delle alfa-olefine
IT1276121B1 (it) * 1995-11-14 1997-10-24 Montell Technology Company Bv Film multistrato estensibili
IT1276120B1 (it) * 1995-11-14 1997-10-24 Montell Technology Company Bv Film multistrato estensibili basati su lldpe
IT1281198B1 (it) 1995-12-18 1998-02-17 Montell Technology Company Bv Film termoretraibili basati su composizioni poliolefiniche comprendenti un copolimero lineare dell'etilene con alfa-olefine
IT1292138B1 (it) * 1997-06-12 1999-01-25 Montell Technology Company Bv Film multistrato estensibili
DE69908730T2 (de) 1998-05-06 2004-05-13 Basell Polyolefine Gmbh Polyolefin-zusammensetzungen und daraus hergestellte folien
US6087459A (en) * 1998-05-14 2000-07-11 Exxon Chemical Patents Inc. Polymeric materials formed using blends of electron donors
US6399707B1 (en) 2000-09-29 2002-06-04 Exxonmobil Chemical Patents Inc. Impact copolymer and plastomer blend
US6566294B2 (en) 2000-12-21 2003-05-20 Exxonmobil Chemical Patents Inc. Multi-donor catalyst system for the polymerization of olefins
CN1492882A (zh) * 2001-12-24 2004-04-28 ��������ϩ����������޹�˾ 用于烯烃聚合的齐格勒纳塔催化剂
JP2005529224A (ja) * 2002-06-13 2005-09-29 バセル ポリオレフィン イタリア エス.ピー.エー. オレフィンの重合のための触媒成分
BR0305709B1 (pt) * 2002-07-23 2013-05-07 aduto, catalisador para a polimerizaÇço de olefinas e processo para a polimerizaÇço de olefinas de fàrmula ch2=chr.
US6657024B1 (en) 2002-09-03 2003-12-02 Fina Technology, Inc. Polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins
AU2003271648A1 (en) * 2002-10-09 2004-05-04 Basell Poliolefine Italia S.P.A. Polymerization process
AU2004241024A1 (en) * 2003-05-21 2004-12-02 Basell Poliolefine Italia S.R.L. Stretch wrap films
EP1629038A2 (en) * 2003-05-21 2006-03-01 Basell Poliolefine Italia S.r.l. Polyethylene films for packaging
US7078468B2 (en) * 2003-06-27 2006-07-18 Fina Technology, Inc. Polymerization catalyst system using di-sec-butyldimethoxysilane for preparation of polypropylene
CA2665244A1 (en) * 2006-12-29 2008-07-10 Fina Technology, Inc. Succinate-containing polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins
WO2009112254A1 (en) 2008-03-14 2009-09-17 Saudi Basic Industries Corporation A catalyst system and a process for the production of polyethylene in the presence of this catalyst system
EA018411B1 (ru) * 2008-04-17 2013-07-30 Сауди Бейсик Индастриз Корпорейшн Способ получения сверхвысокомолекулярного полиэтилена
RU2381236C1 (ru) * 2008-09-25 2010-02-10 Институт Катализа Им. Г.К. Борескова Сибирского Отделения Российской Академии Наук Катализатор и способ получения полиэтилена и сополимеров этилена с альфа-олефинами с узким молекулярно-массовым распределением
EP2246368A1 (en) 2009-04-30 2010-11-03 Borealis AG Improved ethylene polymerization catalyst composition
EP2246369B1 (en) 2009-04-30 2012-09-05 Borealis AG Linear low density polyethylene with uniform or reversed comonomer composition distribution
EP2284199A1 (en) 2009-08-14 2011-02-16 Saudi Basic Industries Corporation A catalyst system and a process for the production of polyethylene
JP2013531711A (ja) 2010-06-10 2013-08-08 イネオス ユーエスエイ リミテッド ライアビリティ カンパニー 水平撹拌床反応器におけるh2分布の制御
WO2013087185A2 (en) * 2011-12-12 2013-06-20 Saudi Basic Industries Corporation (Sabic) A catalyst system for the production of ultra-high molecular weight polyethylene
ES2730944T3 (es) 2013-01-29 2019-11-13 Ineos Europe Ag Artículos de polipropileno moldeados por inyección
SG11201610830WA (en) 2014-06-25 2017-01-27 Exxonmobil Chemical Patents Inc High melt strength polypropylene and extrusion process for preserving melt strength
US10294312B2 (en) 2014-12-12 2019-05-21 Exxonmobil Research And Engineering Company Olefin polymerization catalyst system comprising mesoporous organosilica support
WO2016195832A1 (en) 2015-05-29 2016-12-08 Exxonmobil Chemical Patents Inc. Thermoplastic vulcanizates comprising broad molecular weight distribution polypropylene
KR20190038812A (ko) * 2016-06-30 2019-04-09 다우 글로벌 테크놀로지스 엘엘씨 낮은 공 단량체 도입용 전촉매 조성물 및 이의 제조 공정
WO2018022263A1 (en) 2016-07-29 2018-02-01 Exxonmobil Chemical Patents Inc. Polymerization processes using high molecular weight polyhydric quenching agents
WO2020231526A1 (en) 2019-05-15 2020-11-19 Exxonmobil Chemical Patents Inc. Polypropylene-based compositions
EP3976732A4 (en) 2019-05-24 2023-05-17 Eastman Chemical Company MIXING SMALL QUANTITIES OF PYROLYTIC OIL INTO A LIQUID STREAM WHICH IS PROCESSED INTO A GAS CRACKER
CN117700565A (zh) 2019-05-24 2024-03-15 伊士曼化工公司 回收成分纤维素酯
US12031091B2 (en) 2019-05-24 2024-07-09 Eastman Chemical Company Recycle content cracked effluent
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US11945998B2 (en) 2019-10-31 2024-04-02 Eastman Chemical Company Processes and systems for making recycle content hydrocarbons
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WO2021092306A1 (en) 2019-11-07 2021-05-14 Eastman Chemical Company Recycle content alpha olefins and fatty alcohols
CN118851872A (zh) 2019-11-07 2024-10-29 伊士曼化工公司 回收成分丙醇
US12104121B2 (en) 2019-11-07 2024-10-01 Eastman Chemical Company Recycle content mixed esters and solvents
CN114728868B (zh) 2019-11-07 2024-09-03 伊士曼化工公司 回收成分羰基合成醇和羰基合成增塑剂
CN115135681A (zh) 2020-02-17 2022-09-30 埃克森美孚化学专利公司 具有高分子量尾部的基于丙烯的聚合物组合物
CA3174931A1 (en) 2020-04-13 2021-10-21 Bruce Roger Debruin Recycle content polyethylene
US12195674B2 (en) 2021-09-21 2025-01-14 Eastman Chemical Company Using spent caustic solution from pygas treatment to neutralize halogens from liquified waste plastic
WO2024025741A1 (en) 2022-07-27 2024-02-01 Exxonmobil Chemical Patents Inc. Polypropylene compositions with enhanced strain hardening and methods of producing same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094568A (en) * 1959-12-01 1963-06-18 Gulf Research Development Co Process for alkylating aromatics in the presence of a heavy metal halide, an organic halide and an organo aluminum halide
DE2111455A1 (de) * 1971-03-10 1972-09-28 Hoechst Ag Verfahren zur Herstellung von Polyolefinen
GB1452314A (en) * 1972-11-10 1976-10-13 Mitsui Petrochemical Ind Ld Catalyst compositions for use in the polymerziation of olefins
US4071672A (en) * 1972-11-10 1978-01-31 Mitsui Petrochemical Industries Ltd. Process for polymerizing or copolymerizing olefins
JPS5724361B2 (member.php) * 1974-03-27 1982-05-24
US4105847A (en) * 1974-11-26 1978-08-08 Mitsui Toatsu Chemicals Inc. Method for polymerization of ethylene
JPS565404B2 (member.php) * 1975-02-14 1981-02-04
IT1038179B (it) * 1975-05-16 1979-11-20 Montedison Spa Procedimento di polimerizzazione di alfa olefine con almeno treatoni di carbonto
IT1042711B (it) * 1975-09-19 1980-01-30 Montedison Spa Compnenti di catalizzatori per la polimerizzazione di olefine

Also Published As

Publication number Publication date
ATA364978A (de) 1980-11-15
DK219578A (da) 1978-11-25
ZA782971B (en) 1979-05-30
MX150091A (es) 1984-03-15
SU812185A3 (ru) 1981-03-07
PT68068B (en) 1979-10-26
GR72907B (member.php) 1984-01-04
PT68068A (en) 1978-06-01
DK151891B (da) 1988-01-11
AU3628178A (en) 1979-11-22
AT362931B (de) 1981-06-25
NO781728L (no) 1978-11-27
NL186701C (nl) 1991-02-01
JPS6366842B2 (member.php) 1988-12-22
BR7803292A (pt) 1978-12-19
GB1601426A (en) 1981-10-28
JPS5416393A (en) 1979-02-06
NO153575B (no) 1986-01-06
US4218339A (en) 1980-08-19
NO153575C (no) 1986-04-16
CA1120910A (en) 1982-03-30
DK151891C (da) 1988-07-18
ES470120A1 (es) 1979-01-01
SE440224B (sv) 1985-07-22
FR2392037B1 (member.php) 1980-04-11
DE2822809A1 (de) 1978-11-30
IT1078995B (it) 1985-05-08
NL7805410A (nl) 1978-11-28
FR2392037A1 (fr) 1978-12-22
DE2822809C2 (member.php) 1991-07-11
BE867400A (fr) 1978-11-24
SE7805739L (sv) 1978-11-25
NL186701B (nl) 1990-09-03

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