DE69701028D1 - 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
DE69701028D1
DE69701028D1 DE69701028T DE69701028T DE69701028D1 DE 69701028 D1 DE69701028 D1 DE 69701028D1 DE 69701028 T DE69701028 T DE 69701028T DE 69701028 T DE69701028 T DE 69701028T DE 69701028 D1 DE69701028 D1 DE 69701028D1
Authority
DE
Germany
Prior art keywords
syndiotacticity
tin
production
vinyl aromatic
high proportion
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 - Fee Related
Application number
DE69701028T
Other languages
English (en)
Other versions
DE69701028T2 (de
Inventor
Riccardo Po'
Nicoletta Cardi
Roberto Santi
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.)
Enichem SpA
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
Publication of DE69701028D1 publication Critical patent/DE69701028D1/de
Application granted granted Critical
Publication of DE69701028T2 publication Critical patent/DE69701028T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C08F12/00—Homopolymers 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
    • C08F12/02—Monomers containing only one unsaturated aliphatic radical
    • C08F12/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F12/06—Hydrocarbons
    • C08F12/08—Styrene
    • 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

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)
DE69701028T 1996-10-24 1997-10-01 Verfahren zur Herstellung vinyl-aromatischer Polymere mit hohem Anteil an Syndiotaktizität Expired - Fee Related DE69701028T2 (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 (2)

Publication Number Publication Date
DE69701028D1 true DE69701028D1 (de) 2000-02-03
DE69701028T2 DE69701028T2 (de) 2000-07-20

Family

ID=11375082

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69701028T Expired - Fee Related DE69701028T2 (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
US5830959A (en) 1998-11-03
ES2140177T3 (es) 2000-02-16
EP0838481A1 (de) 1998-04-29
IT1286031B1 (it) 1998-07-07
EP0838481B1 (de) 1999-12-29
CA2216019A1 (en) 1998-04-24
ATE188225T1 (de) 2000-01-15
DE69701028T2 (de) 2000-07-20
ITMI962203A1 (it) 1998-04-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee