ATE188225T1 - Verfahren zur herstellung vinyl-aromatischer polymere mit hohem anteil an syndiotaktizität - Google Patents

Verfahren zur herstellung vinyl-aromatischer polymere mit hohem anteil an syndiotaktizität

Info

Publication number
ATE188225T1
ATE188225T1 AT97117019T AT97117019T ATE188225T1 AT E188225 T1 ATE188225 T1 AT E188225T1 AT 97117019 T AT97117019 T AT 97117019T AT 97117019 T AT97117019 T AT 97117019T AT E188225 T1 ATE188225 T1 AT E188225T1
Authority
AT
Austria
Prior art keywords
syndiotacticity
tin
vinyl aromatic
high content
aromatic polymers
Prior art date
Application number
AT97117019T
Other languages
English (en)
Inventor
Riccardo Po'
Nicoletta Cardi
Roberto Santi
Original Assignee
Enichem 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 Enichem Spa filed Critical Enichem Spa
Application granted granted Critical
Publication of ATE188225T1 publication Critical patent/ATE188225T1/de

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
    • C08F12/00Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F12/02Monomers containing only one unsaturated aliphatic radical
    • C08F12/04Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F12/06Hydrocarbons
    • C08F12/08Styrene
    • 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
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
AT97117019T 1996-10-24 1997-10-01 Verfahren zur herstellung vinyl-aromatischer polymere mit hohem anteil an syndiotaktizität ATE188225T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI002203A IT1286031B1 (it) 1996-10-24 1996-10-24 Procedimento per la produzione di polimeri vinilaromatici ad elevato grado di sindiotassia

Publications (1)

Publication Number Publication Date
ATE188225T1 true ATE188225T1 (de) 2000-01-15

Family

ID=11375082

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97117019T ATE188225T1 (de) 1996-10-24 1997-10-01 Verfahren zur herstellung vinyl-aromatischer polymere mit hohem anteil an syndiotaktizität

Country Status (7)

Country Link
US (1) US5830959A (de)
EP (1) EP0838481B1 (de)
AT (1) ATE188225T1 (de)
CA (1) CA2216019A1 (de)
DE (1) DE69701028T2 (de)
ES (1) ES2140177T3 (de)
IT (1) IT1286031B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0861853A1 (de) * 1997-02-27 1998-09-02 ENICHEM S.p.A. Katalysator und Verfahren für die syndiotaktische Polymerisation von vinylaromatischen Verbindungen
US6127302A (en) * 1997-12-09 2000-10-03 Union Carbide Chemicals & Plastics Technology Corporation Unbridged monocyclopentadienyl metal complex catalyst and a process for polyolefin production
ITMI980934A1 (it) 1998-04-30 1999-10-30 Enichem Spa Procedimento per la preparazione di manufatti a base di polimeri vinilaromatici a struttura predominantemente sindiotattica
IT1302680B1 (it) 1998-10-15 2000-09-29 Enichem Spa Procedimento per la preparazione di polimeri vinilaromatici adelevato grado di sindiotassia.
US6982306B2 (en) 2003-11-26 2006-01-03 Chevron Phillips Chemical Company, L.P. Stannoxy-substituted metallocene catalysts for olefin and acetylene polymerization
CA3120970A1 (en) 2018-11-26 2020-06-04 Denali Therapeutics Inc. Methods for treating dysregulated lipid metabolism

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4978730A (en) * 1987-12-24 1990-12-18 Idemitsu Kosan Company Limited Process for producing styrene-based polymers and catalyst for use therein
AU624219B2 (en) * 1989-02-16 1992-06-04 Idemitsu Kosan Company Limited Process for preparation of aluminoxane
JPH02252706A (ja) * 1989-03-28 1990-10-11 Idemitsu Kosan Co Ltd スチレン系重合体の製造方法
US5326837A (en) * 1992-11-20 1994-07-05 Mobil Oil Corporation Catalyst systems for syndiospecific polymerization of styrenes
IT1277677B1 (it) * 1995-12-21 1997-11-11 Enichem Spa Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica

Also Published As

Publication number Publication date
EP0838481B1 (de) 1999-12-29
CA2216019A1 (en) 1998-04-24
US5830959A (en) 1998-11-03
IT1286031B1 (it) 1998-07-07
ITMI962203A1 (it) 1998-04-24
DE69701028D1 (de) 2000-02-03
EP0838481A1 (de) 1998-04-29
DE69701028T2 (de) 2000-07-20
ES2140177T3 (es) 2000-02-16

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Legal Events

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