ATE174039T1 - Verfahren zur herstellung kristalliner vinylaromatischer polymere mit vorwiegend syndiotaktischer struktur - Google Patents

Verfahren zur herstellung kristalliner vinylaromatischer polymere mit vorwiegend syndiotaktischer struktur

Info

Publication number
ATE174039T1
ATE174039T1 AT96114876T AT96114876T ATE174039T1 AT E174039 T1 ATE174039 T1 AT E174039T1 AT 96114876 T AT96114876 T AT 96114876T AT 96114876 T AT96114876 T AT 96114876T AT E174039 T1 ATE174039 T1 AT E174039T1
Authority
AT
Austria
Prior art keywords
syndiotactic structure
premiumly
vinyl aromatic
aromatic polymers
producing crystalline
Prior art date
Application number
AT96114876T
Other languages
English (en)
Inventor
Roberto Santi
Giuseppe Cometti
Riccardo Po'
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 ATE174039T1 publication Critical patent/ATE174039T1/de

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
    • 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
    • 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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerization Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT96114876T 1995-10-27 1996-09-17 Verfahren zur herstellung kristalliner vinylaromatischer polymere mit vorwiegend syndiotaktischer struktur ATE174039T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95MI002216A IT1275814B1 (it) 1995-10-27 1995-10-27 Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominante sindiotattica

Publications (1)

Publication Number Publication Date
ATE174039T1 true ATE174039T1 (de) 1998-12-15

Family

ID=11372438

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96114876T ATE174039T1 (de) 1995-10-27 1996-09-17 Verfahren zur herstellung kristalliner vinylaromatischer polymere mit vorwiegend syndiotaktischer struktur

Country Status (8)

Country Link
US (1) US6066706A (de)
EP (1) EP0770630B1 (de)
JP (1) JPH09221518A (de)
AT (1) ATE174039T1 (de)
DE (1) DE69601063T2 (de)
DK (1) DK0770630T3 (de)
ES (1) ES2126357T3 (de)
IT (1) IT1275814B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69916837T2 (de) * 1998-06-30 2005-04-21 Dow Global Technologies Inc Syndiotaktisches monovinylidenearomatisches polymerisationsverfahren
US6187712B1 (en) * 1998-09-16 2001-02-13 Univation Technologies, Llc Catalyst composition for the polymerization of olefins
JP4283944B2 (ja) * 1998-09-22 2009-06-24 オリヱント化学工業株式会社 荷電制御剤及び静電荷像現像用トナー
US6984599B2 (en) 2003-04-23 2006-01-10 Equistar Chemicals, Lp Olefin polymerization catalysts based on hydroxyl-depleted calixarene ligands

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US35289A (en) * 1862-05-20 Improved combination of sofa and bathing-tub
USRE35289E (en) 1985-11-11 1996-07-02 Idemitsu Kosan Company Limited Process for production of styrene polymers
IL84800A (en) * 1986-12-15 1991-09-16 Montedison Spa Production of crystalline vinyl aromatic polymers having mainly a syndiotactic structure
CA2024830A1 (en) * 1989-09-29 1991-03-30 Richard E. Campbell, Jr. Process for preparation of syndiotactic vinyl aromatic polymers
US5066741A (en) * 1990-03-22 1991-11-19 The Dow Chemical Company Process for preparation of syndiotactic vinyl aromatic polymers

Also Published As

Publication number Publication date
ITMI952216A1 (it) 1997-04-27
JPH09221518A (ja) 1997-08-26
IT1275814B1 (it) 1997-10-17
ITMI952216A0 (de) 1995-10-27
EP0770630B1 (de) 1998-12-02
DE69601063T2 (de) 1999-05-12
ES2126357T3 (es) 1999-03-16
EP0770630A1 (de) 1997-05-02
US6066706A (en) 2000-05-23
DK0770630T3 (da) 1999-08-16
DE69601063D1 (de) 1999-01-14

Similar Documents

Publication Publication Date Title
ATE225814T1 (de) Verfahren zur herstellung von blockcopolymeren durch kontrollierte radikalische polymerisation
ATE293133T1 (de) Verfahren zur herstellung von polymeren durch eine kontrollierte radikalischpolymerisation mit halogenierten xanthaten
DE59702388D1 (de) Verfahren zur herstellung graphitpartikel enthaltender expandierbarer styrolpolymerisate
DE59700250D1 (de) Verfahren zur Herstellung von Polystyrol durch kontinuierliche anionische Polymerisation
DE69506548D1 (de) Verfahren zur polymerisation unter verwendung von die-enthaltenden katalysatoren
AU2002221850A1 (en) Polymerisation catalyst systems and their preparation
DE3882513D1 (de) Katalysator und verfahren zur herstellung syndiotaktischer polystyrene.
ATE269358T1 (de) Verfahren zur herstellung wässriger polymerdispersionen
DE69612494D1 (de) Verfahren zur herstellung und anwendung eines geträgerten metallocen-alumoxan katalysators
DE69604087D1 (de) Verfahren zur herstellung von einer hyaluronsäurefraktion mit niedrigem polydispersionindex
CA2284388A1 (fr) Polymerisation radicalaire en presence de plusieurs radicaux libres stables
ATE176248T1 (de) Verfahren zur herstellung von kristallinen vinylaromatischen polymeren mit hauptsächlich syndiotaktischer struktur
ATE167491T1 (de) Syndiotaktische polymere von arylcyclobutenfunktionalen monomeren, verfahren zur herstellung und daraus hergestellte vernetzte derivate
ATE174039T1 (de) Verfahren zur herstellung kristalliner vinylaromatischer polymere mit vorwiegend syndiotaktischer struktur
NO960495L (no) Organoaluminoksyprodukt, katalysatorsystemer, fremgangsmåte for fremstilling av produktet og anvendelse
EP0276801A3 (de) Styrol-Copolymere und Verfahren zu deren Herstellung
ATE200904T1 (de) Verfahren zur herstellung von polymerisaten von alkenen durch gasphasenpolymerisation
AU7138091A (en) Fluorourethane group-containing polymers made from ethylenically unsaturated monomers, process for their preparation and their use
DE19882797T1 (de) N-Oxyl-Verbindungen, Verfahren zu ihrer Herstellung und Methode zur Inhibierung der Polymerisation von Vinyl-Monomeren durch Verwendung von N-Oxyl-Verbindungen
ATE174038T1 (de) Verfahren zur herstellung von kristallinen vinylaromatischen polymeren mit hauptsächlich syndiotaktischer struktur
ATE169307T1 (de) Verfahren zur herstellung eines ziegler-natta- katalysators
ATE135376T1 (de) Im stereospezifischer alpha-olefienpolymerisation anwendbares, festes katalysatorbestandteil, verfahren zur herstellung desselben im alpha- olefienpolymerisationsverfahren unter anwendung desselbes
DE69506280D1 (de) Herstellung von polystyrol mit hohem molekulargewicht durch vinylsäurekatalysierte frei-radikalische polymerisation
ATE188225T1 (de) Verfahren zur herstellung vinyl-aromatischer polymere mit hohem anteil an syndiotaktizität
ATE363495T1 (de) Verfahren zur polymerisation von propylen

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee