TW354792B - Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymer - Google Patents

Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymer

Info

Publication number
TW354792B
TW354792B TW083107329A TW83107329A TW354792B TW 354792 B TW354792 B TW 354792B TW 083107329 A TW083107329 A TW 083107329A TW 83107329 A TW83107329 A TW 83107329A TW 354792 B TW354792 B TW 354792B
Authority
TW
Taiwan
Prior art keywords
olefin polymerization
polymerization catalyst
block copolymer
catalyst component
propylene block
Prior art date
Application number
TW083107329A
Other languages
English (en)
Inventor
Tetsunori Shinozaki
Mamoru Kioka
Original Assignee
Mitsui Petrochemical Ind
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 Mitsui Petrochemical Ind filed Critical Mitsui Petrochemical Ind
Application granted granted Critical
Publication of TW354792B publication Critical patent/TW354792B/zh

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
    • C08F4/60Metals; 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 together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • 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
    • C08F297/00Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/06Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
    • C08F297/08Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
    • C08F297/083Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins the monomers being ethylene or propylene
    • 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
    • C08F10/04Monomers containing three or four carbon atoms
    • C08F10/06Propene
    • 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
    • C08F210/00Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/04Monomers containing three or four carbon atoms
    • C08F210/06Propene
    • 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
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/04Monomers containing three or four carbon atoms
    • C08F110/06Propene
    • 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
    • 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
    • Y10S526/904Monomer polymerized in presence of transition metal containing catalyst at least part of which is supported on a polymer, e.g. prepolymerized catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Graft Or Block Polymers (AREA)
TW083107329A 1993-08-13 1994-08-11 Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymer TW354792B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP20138993 1993-08-13
JP20138893 1993-08-13
JP20430993 1993-08-18
JP20431093 1993-08-18
JP20431193 1993-08-18

Publications (1)

Publication Number Publication Date
TW354792B true TW354792B (en) 1999-03-21

Family

ID=27529285

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083107329A TW354792B (en) 1993-08-13 1994-08-11 Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymer

Country Status (7)

Country Link
US (4) US5618886A (zh)
EP (2) EP0854156B1 (zh)
KR (2) KR0182339B1 (zh)
CN (7) CN1049898C (zh)
CA (1) CA2130009C (zh)
DE (2) DE69432779T2 (zh)
TW (1) TW354792B (zh)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW354792B (en) 1993-08-13 1999-03-21 Mitsui Petrochemical Ind Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymer
CA2162946C (en) * 1994-11-21 2004-01-06 Kazuyuki Watanabe Propylene block copolymer and process for producing the same
IT1275867B1 (it) * 1995-03-07 1997-10-24 Enichem Elastomers Procedimento per l'ottenimento di copolimeri elastomerici etilene- propilene ad alta purezza e distribuzione dei pesi molecolari
DE19545499A1 (de) * 1995-12-06 1997-06-12 Basf Ag Verbesserte statistische Propylencopolymerisate
IT1282691B1 (it) * 1996-02-27 1998-03-31 Montell North America Inc Processo per la preparazione di copolimeri random del propilene e prodotti cosi' ottenuti
US5859143A (en) * 1996-04-18 1999-01-12 Mitsubishi Chemical Corporation Process for continuously producing propylene-based block copolymer
WO1997045463A1 (en) * 1996-05-27 1997-12-04 Mitsui Chemicals, Inc. Crystalline polypropylene, process for preparing the same, polypropylene composition, and thermoformed article
US6403708B2 (en) 1996-05-27 2002-06-11 Mitsui Chemicals Inc Crystalline polypropylenes, process for preparing thereof, polypropylene compositions, and thermoformed products
JP3358441B2 (ja) * 1996-06-04 2002-12-16 住友化学工業株式会社 ポリプロピレンブロック共重合体
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
CN1116315C (zh) * 1997-05-30 2003-07-30 株式会社宏大化纤 聚丙烯树脂组合物及注射成型制品
JPH1112316A (ja) * 1997-06-26 1999-01-19 Toho Titanium Co Ltd オレフィン類重合用固体触媒成分及び触媒
DE69918662T2 (de) 1998-11-04 2005-08-11 Basell Poliolefine Italia S.P.A. Bestandteile und katalysatoren für die olefinpolymerisation
SG80673A1 (en) * 1999-02-25 2001-05-22 Sumitomo Chemical Co Catalyst component, catalyst for olefin polymerization, process for producing olefin polymer and use of organosilicon compound
KR100524293B1 (ko) 1999-05-27 2005-10-26 삼성토탈 주식회사 에틸렌 중합 및 공중합용 촉매
KR100546499B1 (ko) * 1999-05-27 2006-01-26 삼성토탈 주식회사 에틸렌 중합 및 공중합용 촉매
AU7540700A (en) * 1999-10-02 2001-05-10 Borealis Technology Oy Modified supported catalysts for the polymerization of olefins
US6492465B1 (en) 2000-02-08 2002-12-10 Exxonmobil Chemical Patents, Inc. Propylene impact copolymers
CA2398529A1 (en) 2000-02-08 2001-08-16 Exxonmobil Chemical Patents Inc. Method of preparing group 14 bridged biscyclopentadienyl ligands
DE60134611D1 (de) * 2000-04-24 2008-08-14 Toho Titanium Co Ltd Feste katalysatorkomponente und katalysaor für die olefinpolymerisation
AU782724B2 (en) * 2000-05-12 2005-08-25 Basell Technology Company B.V. Pre-polymerized catalyst components for the polymerization of olefins
KR100387734B1 (ko) * 2000-06-17 2003-06-18 삼성종합화학주식회사 올레핀 중합용 촉매 및 중합방법
WO2002046249A2 (en) 2000-11-07 2002-06-13 Symyx Technologies, Inc. Methods of copolymerizing ethylene and isobutylene and polymers made thereby
KR100389475B1 (ko) * 2000-11-09 2003-06-27 삼성종합화학주식회사 에틸렌 중합 또는 공중합용 촉매의 제조 방법
KR100389476B1 (ko) * 2000-11-09 2003-06-27 삼성종합화학주식회사 에틸렌 중합체 및 공중합체 제조방법
KR100389477B1 (ko) * 2000-11-09 2003-06-27 삼성종합화학주식회사 에틸렌 중합체 및 공중합체 제조방법
KR100389962B1 (ko) * 2000-11-10 2003-07-02 삼성종합화학주식회사 에틸렌 중합 또는 공중합용 촉매의 제조 방법
KR100421551B1 (ko) * 2000-12-16 2004-03-09 삼성아토피나주식회사 올레핀 전중합 촉매 및 이를 이용한 올레핀 중합방법
EP1362131A4 (en) * 2000-12-22 2005-03-02 Samsung General Chemicals Co POLYPROPYL FLAME RETARDANT COMPOSITION
EP1358223A4 (en) * 2000-12-22 2005-01-05 Samsung General Chemicals Co CHELATE CATALYST FOR OLEFIN POLYMERIZATION AND OLEFIN POLYMERIZATION METHOD USED
KR100431637B1 (ko) * 2000-12-22 2004-05-17 삼성아토피나주식회사 올레핀 중합방법 및 고용융장력의 수지조성물
KR100530794B1 (ko) 2001-06-21 2005-11-23 삼성토탈 주식회사 에틸렌 중합 및 공중합용 촉매
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
CA2483192A1 (en) * 2002-04-24 2003-11-06 Symyx Technologies, Inc. Bridged bi-aromatic ligands, complexes, catalysts and processes for polymerizing and poymers therefrom
CN1653092A (zh) * 2002-05-10 2005-08-10 出光兴产株式会社 烯烃聚合用固体催化剂成分、烯烃聚合用催化剂及烯烃聚合物的制造方法
TR200400209T1 (tr) * 2002-06-13 2005-04-21 Basell Poliolefine Italia S.P.A Etilen kopolimerlerini hazırlamak için işlem
US20040166337A1 (en) * 2003-02-20 2004-08-26 Toray Plastics (America), Inc. Biaxially oriented polypropylene high barrier metallized film for packaging
JP2005320362A (ja) * 2004-05-06 2005-11-17 Toho Catalyst Co Ltd オレフィン類重合用触媒およびオレフィン類の重合方法
JPWO2006011334A1 (ja) * 2004-07-28 2008-05-01 三井化学株式会社 オレフィン重合用触媒及び該触媒を用いる重合方法
WO2006036748A2 (en) * 2004-09-22 2006-04-06 Symyx Technologies, Inc. Heterocycle-amine ligands, compositions, complexes, and catalysts, and methods of making and using the same
US7256296B2 (en) * 2004-09-22 2007-08-14 Symyx Technologies, Inc. Heterocycle-amine ligands, compositions, complexes, and catalysts
WO2006066126A2 (en) * 2004-12-16 2006-06-22 Symyx Technologies, Inc. Phenol-heterocyclic ligands, metal complexes, and their uses as catalysts
US7977435B2 (en) 2006-07-12 2011-07-12 Lin Chon-Yie Propylene polymer compositions and processes for making the same
US8281332B2 (en) * 2007-05-02 2012-10-02 Google Inc. Animated video overlays
PL2185599T3 (pl) 2007-08-24 2019-07-31 W.R. Grace & Co. - Conn Samoograniczający system katalityczny o kontrolowanym stosunku glinu do SCA i sposób
US20090096130A1 (en) * 2007-09-28 2009-04-16 Advanced Composites, Inc. Thermoplastic polyolefin material with high surface gloss
WO2009129873A1 (en) 2008-04-24 2009-10-29 Borealis Ag High purity heterophasic propylene copolymers
US20090286944A1 (en) * 2008-05-15 2009-11-19 Symyx Technologies, Inc. Select phenol-heterocycle ligands, metal complexes formed therefrom, and their uses as catalysts
MX2011001970A (es) * 2008-08-21 2011-08-12 Dow Global Technologies Llc Composicion de catalizador con agente de control de selectividad mezclado y metodo de polimerizacion que la usa.
KR101686253B1 (ko) * 2008-08-21 2016-12-13 더블유.알. 그레이스 앤드 캄파니-콘. 고 용융 유동 내충격성 프로필렌 공중합체 및 방법
CN102159608B (zh) * 2008-09-22 2014-05-21 三井化学株式会社 丙烯系嵌段共聚物、包含该共聚物的组合物及由它们得到的成型体
JP5454107B2 (ja) * 2008-12-25 2014-03-26 住友化学株式会社 プロピレン系ブロック共重合体の製造方法
MX2011007066A (es) * 2008-12-29 2011-12-16 Dow Global Technologies Llc Composicion de catalizador con donador a base de fosforo.
US20100267882A1 (en) * 2009-04-15 2010-10-21 Advanced Composites, Inc. Polyolefin Compositions
EP2537868B1 (en) * 2011-06-21 2016-08-10 Borealis AG Process for the manufacture of alpha-nucleated polypropylene
ES2843557T3 (es) 2014-01-20 2021-07-19 Toho Titanium Co Ltd Componente de catalizador sólido para uso en la polimerización de olefinas, método para producir el mismo, catalizador para uso en la polimerización de olefinas y método para producir polímeros de olefinas
US10723824B2 (en) 2014-02-07 2020-07-28 Eastman Chemical Company Adhesives comprising amorphous propylene-ethylene copolymers
US11267916B2 (en) 2014-02-07 2022-03-08 Eastman Chemical Company Adhesive composition comprising amorphous propylene-ethylene copolymer and polyolefins
US10308740B2 (en) 2014-02-07 2019-06-04 Eastman Chemical Company Amorphous propylene-ethylene copolymers
US10696765B2 (en) 2014-02-07 2020-06-30 Eastman Chemical Company Adhesive composition comprising amorphous propylene-ethylene copolymer and propylene polymer
US10647795B2 (en) 2014-02-07 2020-05-12 Eastman Chemical Company Adhesive composition comprising amorphous propylene-ethylene copolymer and polyolefins
US9382351B2 (en) 2014-02-07 2016-07-05 Eastman Chemical Company Amorphous propylene-ethylene copolymers
CN105884971B (zh) * 2014-09-05 2019-03-15 中国石油化工股份有限公司 一种链烯烃-环烯烃共聚物
US11427660B2 (en) 2016-08-17 2022-08-30 Formosa Plastics Corporation, Usa Organosilicon compounds as electron donors for olefin polymerization catalysts and methods of making and using same
WO2020064568A1 (en) * 2018-09-28 2020-04-02 Borealis Ag Process for producing a prepolymerized solid ziegler-natta catalyst
CN113811553A (zh) * 2019-05-10 2021-12-17 格雷斯公司 用于烯烃聚合的活化催化剂组分
US20250109218A1 (en) 2023-09-29 2025-04-03 Formosa Plastics Corporation, U.S.A. Method for preparing catalyst component for polymerization of polyolefin without the use of internal electron donors
WO2025073543A1 (en) * 2023-10-04 2025-04-10 Sabic Global Technologies B.V. Heterophasic propylene copolymer with improved stiffness and stress whitening

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4522982A (en) * 1983-06-06 1985-06-11 Exxon Research & Engineering Co. Isotactic-stereoblock polymers of alpha-olefins and process for producing the same
CA1235543A (en) * 1984-09-12 1988-04-19 Norio Kashiwa Process for producing propylene block copolymer
CA1310955C (en) * 1987-03-13 1992-12-01 Mamoru Kioka Process for polymerization of olefins and polymerization catalyst
EP0350170B2 (en) * 1988-06-17 2001-09-12 Mitsui Chemicals, Inc. Process for polymerising olefins and polymerisation catalyst therefor
CA1334841C (en) * 1988-09-13 1995-03-21 Mamoru Kioka Olefin polymerization catalyst component, process for production thereof, olefin polymerization catalysts, and process for polymerizing olefins
IT1227259B (it) * 1988-09-30 1991-03-28 Himont Inc Catalizzatori per la polimerizzazione di olefine.
IT1227258B (it) * 1988-09-30 1991-03-28 Himont Inc Componenti e catalizzatori per la polimerizzazione di olefine
IT1241093B (it) * 1990-03-30 1993-12-29 Himont Inc Componenti e catalizzatori per la polimerizzazione di olefine
US5726262A (en) * 1990-04-13 1998-03-10 Mitsui Petrochemical Industries, Ltd. Solid titanium catalyst component for olefin polymerization, olefin polymerization catalyst, prepolymerized polyolefin-containing catalyst and method of olefin polymerization
CA2040336C (en) * 1990-04-13 1998-01-20 Mamoru Kioka Solid titanium catalyst component for olefin polymerization, olefin polymerization catalyst, prepolymerized polyolefin-containing catalyst and method of olefin polymerization
DE4114833A1 (de) * 1990-05-16 1991-11-28 Basf Ag Ziegler-natta-katalysatorsysteme mit siliciumorganischen verbindungen
IT1245250B (it) * 1991-03-27 1994-09-13 Himont Inc 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
US5308818A (en) * 1992-06-08 1994-05-03 Fina Technology, Inc. Catalyst system for the polymerization of olefins
JP3280477B2 (ja) * 1992-08-31 2002-05-13 三井化学株式会社 オレフィン重合用固体状チタン触媒成分の調製方法
TW354792B (en) 1993-08-13 1999-03-21 Mitsui Petrochemical Ind Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymer

Also Published As

Publication number Publication date
EP0641807A2 (en) 1995-03-08
CA2130009A1 (en) 1995-02-14
CN1231293A (zh) 1999-10-13
EP0854156B1 (en) 2001-11-21
KR0182339B1 (ko) 1999-05-15
CN1125831C (zh) 2003-10-29
US6214939B1 (en) 2001-04-10
DE69429198T2 (de) 2002-08-14
EP0854156A2 (en) 1998-07-22
US6537942B2 (en) 2003-03-25
CN1112376C (zh) 2003-06-25
US6271166B1 (en) 2001-08-07
EP0854156A3 (en) 1998-08-12
CN1049898C (zh) 2000-03-01
US5618886A (en) 1997-04-08
CN1232829A (zh) 1999-10-27
EP0641807B1 (en) 2003-06-04
DE69432779D1 (de) 2003-07-10
CN1169846C (zh) 2004-10-06
EP0641807A3 (en) 1995-04-26
CN1231294A (zh) 1999-10-13
CN1239105A (zh) 1999-12-22
CA2130009C (en) 1998-09-22
US20010044375A1 (en) 2001-11-22
KR0163665B1 (en) 1999-01-15
KR950005850A (ko) 1995-03-20
CN1231295A (zh) 1999-10-13
DE69429198D1 (de) 2002-01-03
CN1132866C (zh) 2003-12-31
CN1111643A (zh) 1995-11-15
CN1112375C (zh) 2003-06-25
CN1245813A (zh) 2000-03-01
DE69432779T2 (de) 2004-05-13
CN1112379C (zh) 2003-06-25

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