FI945873A0 - Menetelmä etyleenisen polymeerin valmistamiseksi - Google Patents

Menetelmä etyleenisen polymeerin valmistamiseksi

Info

Publication number
FI945873A0
FI945873A0 FI945873A FI945873A FI945873A0 FI 945873 A0 FI945873 A0 FI 945873A0 FI 945873 A FI945873 A FI 945873A FI 945873 A FI945873 A FI 945873A FI 945873 A0 FI945873 A0 FI 945873A0
Authority
FI
Finland
Prior art keywords
butene
ethylenic polymer
ethylene
producing
polymer
Prior art date
Application number
FI945873A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI945873A (fi
Inventor
Maurizio Galimberti
Luigi Resconi
Enrico Albizzati
Original Assignee
Spherilene Srl
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
Priority claimed from ITMI921498A external-priority patent/IT1262950B/it
Priority claimed from IT93MI000943A external-priority patent/IT1264406B1/it
Application filed by Spherilene Srl filed Critical Spherilene Srl
Publication of FI945873A0 publication Critical patent/FI945873A0/fi
Publication of FI945873A publication Critical patent/FI945873A/fi

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
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • 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
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/12—Polymerisation in non-solvents
    • C08F2/16—Aqueous medium
    • C08F2/18—Suspension polymerisation
    • 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
    • C08F4/60—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 together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65927—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/24—Treatment of polymer suspensions
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/04—Monomers containing three or four carbon atoms
    • C08F110/06—Propene
    • 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
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/02—Ethene
    • 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
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • C08F210/18—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers with non-conjugated dienes, e.g. EPT rubbers
    • 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
    • C08F4/60—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 together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • 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
    • C08F4/60—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 together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • 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
    • Y10S526/943—Polymerization with metallocene catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural 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)
FI945873A 1992-06-18 1994-12-14 Menetelmä etyleenisen polymeerin valmistamiseksi FI945873A (fi)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI921498A IT1262950B (it) 1992-06-18 1992-06-18 Catalizzatori per la polimerizzazione di olefine
IT93MI000943A IT1264406B1 (it) 1993-05-11 1993-05-11 Copolimeri amorfi dell'etilene con alfa-olefine e procedimento per la loro preparazione
PCT/EP1993/001528 WO1993025591A1 (en) 1992-06-18 1993-06-16 Process for preparing an ethylenic polymer

Publications (2)

Publication Number Publication Date
FI945873A0 true FI945873A0 (fi) 1994-12-14
FI945873A FI945873A (fi) 1994-12-14

Family

ID=26330887

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945873A FI945873A (fi) 1992-06-18 1994-12-14 Menetelmä etyleenisen polymeerin valmistamiseksi

Country Status (12)

Country Link
US (1) US5565533A (zh)
EP (1) EP0647243B1 (zh)
JP (1) JPH08501325A (zh)
KR (1) KR100280253B1 (zh)
CN (1) CN1042340C (zh)
AT (1) ATE164169T1 (zh)
CA (1) CA2137777A1 (zh)
DE (1) DE69317566T2 (zh)
ES (1) ES2115061T3 (zh)
FI (1) FI945873A (zh)
RU (1) RU2118962C1 (zh)
WO (1) WO1993025591A1 (zh)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6545088B1 (en) 1991-12-30 2003-04-08 Dow Global Technologies Inc. Metallocene-catalyzed process for the manufacture of EP and EPDM polymers
IT1264482B1 (it) * 1993-06-30 1996-09-23 Spherilene Srl Copolimeri amorfi dell'etilene con propilene e procedimento per la loro preparazione
IT1264483B1 (it) * 1993-06-30 1996-09-23 Spherilene Srl Copolimeri elastomerici dell'etilene con propilene
IT1271407B (it) * 1993-09-13 1997-05-28 Spherilene Srl Procedimento per la preparazione di copolimeri elastomerici dell'etilene e prodotti ottenuti
WO1995016716A1 (en) * 1993-12-14 1995-06-22 Exxon Chemical Patents Inc. Process for producing elastomers with an indenyl metallocene catalyst system
US6300451B1 (en) 1994-10-24 2001-10-09 Exxon Chemical Patents Inc. Long-chain branched polymers and their production
UA47394C2 (uk) * 1995-05-16 2002-07-15 Юнівейшн Текнолоджіз, Ллс Етиленовий полімер, який має підвищену придатність до обробки та вирiб, що містить етиленовий полімер
MX9800210A (es) * 1995-06-29 1998-04-30 Dsm Nv Copolimero elastomerico.
NL1000687C2 (en) * 1995-06-29 1996-12-31 Dsm Nv Ethylene-~a-olefin(-diene) copolymer for prodn. of thermoplastic elastomers
US6225426B1 (en) * 1996-04-10 2001-05-01 Uniroyal Chemical Company, Inc. Process for producing polyolefin elastomer employing a metallocene catalyst
IT1283630B1 (it) * 1996-05-09 1998-04-23 Enichem Spa Procedimento per la preparazione di copolimeri elastomerici ep(d)m
DK0835886T3 (da) * 1996-10-09 2004-05-17 Atofina Res Fremgangsmåde til fremstilling og anvendelse af meso/racemiske (bis(indenyl)ethan)zirconiumdichloridforbindelser
ES2241278T3 (es) * 1998-04-07 2005-10-16 Exxonmobil Chemical Patents Inc. Procedimiento de polimerizacion.
US6977283B1 (en) 1998-04-07 2005-12-20 Exxonmobil Chemical Patents Inc. Polymerization process
US6492292B2 (en) 1998-10-23 2002-12-10 Albemarle Corporation Gelatinous compositions formed from hydroxyaluminoxane, solid compositions formed therefrom, and the use of such compositions as catalyst components
US20040002420A1 (en) * 1998-10-23 2004-01-01 Feng-Jung Wu Stable catalysts and co-catalyst compositions formed from hydroxyaluminoxane and their use
US6160145A (en) * 1998-10-23 2000-12-12 Albemarle Corporation Transition metal compounds having conjugate aluminoxate anions and their use as catalyst components
US6462212B1 (en) 1998-10-23 2002-10-08 Albemarle Corporation Transition metal compounds having conjugate aluminoxate anions and their use as catalyst components
US6555494B2 (en) 1998-10-23 2003-04-29 Albemarle Corporation Transition metal compounds having conjugate aluminoxate anions, their preparation and their use as catalyst components
US6812182B2 (en) 1998-10-23 2004-11-02 Albemarle Corporation Compositions formed from hydroxyaluminoxane and their use as catalyst components
DE60019824T2 (de) * 1999-01-21 2006-04-27 Jsr Corp. Statistisches Ethylen-1-buten-Copolymer und dieses enthaltende Polypropylenharzzusammensetzung
WO2002083783A1 (en) * 2001-04-13 2002-10-24 Pirelli Pneumatici S.P.A. Product in subdivided form for preparing crosslinkable elastomeric compositions
JP4571798B2 (ja) * 2001-06-12 2010-10-27 バーゼル・ポリオレフィン・ゲーエムベーハー １−ブテンの重合方法
CA2451121A1 (en) * 2001-06-20 2003-01-03 Shell Internationale Research Maatschappij B.V. Process for the preparation of oligomers
US6825253B2 (en) * 2002-07-22 2004-11-30 General Cable Technologies Corporation Insulation compositions containing metallocene polymers
EP1549688A2 (en) * 2002-10-10 2005-07-06 Basell Polyolefine GmbH Process for the copolymerization of ethylene
US7700707B2 (en) 2002-10-15 2010-04-20 Exxonmobil Chemical Patents Inc. Polyolefin adhesive compositions and articles made therefrom
JP4972284B2 (ja) 2002-10-15 2012-07-11 エクソンモービル・ケミカル・パテンツ・インク オレフィン重合のための複数触媒系及びそれらから生成されたポリマー
US7223822B2 (en) 2002-10-15 2007-05-29 Exxonmobil Chemical Patents Inc. Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom
ATE445650T1 (de) * 2004-05-04 2009-10-15 Basell Polyolefine Gmbh Verfahren zur herstellung von ataktischen 1- butenpolymeren
CA2822111A1 (en) * 2010-12-21 2012-06-28 Dow Global Technologies Llc Olefin-based polymers and dispersion polymerizations
KR20140144076A (ko) * 2013-06-10 2014-12-18 주식회사 엘지화학 3원계 탄성 공중합체의 제조 방법
IT201800006303A1 (it) 2018-06-14 2019-12-14 Configurazione di reazione e procedimento per la produzione di polimeri
KR102505939B1 (ko) * 2020-09-24 2023-03-03 주식회사 모노리스 초저밀도 고탄성을 갖는 폴리올레핀 엘라스토머 공중합체의 제조방법 및 그에 의해 제조된 폴리올레핀 엘라스토머 공중합체

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL85097A (en) * 1987-01-30 1992-02-16 Exxon Chemical Patents Inc Catalysts based on derivatives of a bis(cyclopentadienyl)group ivb metal compound,their preparation and their use in polymerization processes
JPH0742301B2 (ja) * 1987-02-14 1995-05-10 三井石油化学工業株式会社 微粒子状アルミノオキサン、その製法およびその用途
US5008228A (en) * 1988-03-29 1991-04-16 Exxon Chemical Patents Inc. Method for preparing a silica gel supported metallocene-alumoxane catalyst
US5229478A (en) * 1988-06-16 1993-07-20 Exxon Chemical Patents Inc. Process for production of high molecular weight EPDM elastomers using a metallocene-alumoxane catalyst system
US4871705A (en) * 1988-06-16 1989-10-03 Exxon Chemical Patents Inc. Process for production of a high molecular weight ethylene a-olefin elastomer with a metallocene alumoxane catalyst
MX172794B (es) * 1988-08-01 1994-01-13 Exxon Chemical Patents Inc Mejoras en composicion de aditivos dispersante lubricadores a base de novedosos polimeros etilen alfa-olefinicos sustituidos con acidos mono y dicarboxilicos y proceso para producirlos
KR920006464B1 (ko) * 1988-09-14 1992-08-07 미쓰이 세끼유 가가꾸 고오교오 가부시끼가이샤 올레핀중합용 촉매성분, 올레핀중합용 촉매 및 이 올레핀중합용 촉매를 사용한 올레핀의 중합방법
US5091352A (en) * 1988-09-14 1992-02-25 Mitsui Petrochemical Industries, Ltd. Olefin polymerization catalyst component, olefin polymerization catalyst and process for the polymerization of olefins
JPH0445110A (ja) * 1990-06-12 1992-02-14 Japan Synthetic Rubber Co Ltd エチレン系共重合体の製造方法
DE9007031U1 (zh) * 1990-06-25 1990-09-13 Schultz, Horst, Dipl.-Ing., 6203 Hochheim, De
US5087788A (en) * 1991-03-04 1992-02-11 Ethyl Corporation Preparation of high purity vinylindene olefin

Also Published As

Publication number Publication date
KR950702211A (ko) 1995-06-19
DE69317566T2 (de) 1998-09-24
ES2115061T3 (es) 1998-06-16
JPH08501325A (ja) 1996-02-13
US5565533A (en) 1996-10-15
EP0647243A1 (en) 1995-04-12
CN1042340C (zh) 1999-03-03
WO1993025591A1 (en) 1993-12-23
KR100280253B1 (ko) 2001-02-01
RU2118962C1 (ru) 1998-09-20
EP0647243B1 (en) 1998-03-18
FI945873A (fi) 1994-12-14
RU94046276A (ru) 1996-12-27
CN1087097A (zh) 1994-05-25
ATE164169T1 (de) 1998-04-15
CA2137777A1 (en) 1993-12-23
DE69317566D1 (de) 1998-04-23

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Owner name: MONTELL TECHNOLOGY COMPANY BV