IT1283282B1 - Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica - Google Patents

Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica

Info

Publication number
IT1283282B1
IT1283282B1 IT96MI000553A ITMI960553A IT1283282B1 IT 1283282 B1 IT1283282 B1 IT 1283282B1 IT 96MI000553 A IT96MI000553 A IT 96MI000553A IT MI960553 A ITMI960553 A IT MI960553A IT 1283282 B1 IT1283282 B1 IT 1283282B1
Authority
IT
Italy
Prior art keywords
procedure
preparation
syndiotactic structure
vinylaromatic polymers
predominantly syndiotactic
Prior art date
Application number
IT96MI000553A
Other languages
English (en)
Inventor
Roberto Santi
Giuseppe Cometti
Riccardo Po'
Nicoletta Cardi
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
Priority to IT96MI000553A priority Critical patent/IT1283282B1/it
Publication of ITMI960553A0 publication Critical patent/ITMI960553A0/it
Priority to DE69701542T priority patent/DE69701542T2/de
Priority to ES97102656T priority patent/ES2143811T3/es
Priority to EP97102656A priority patent/EP0796875B1/en
Priority to US08/805,247 priority patent/US5721327A/en
Publication of ITMI960553A1 publication Critical patent/ITMI960553A1/it
Application granted granted Critical
Publication of IT1283282B1 publication Critical patent/IT1283282B1/it

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
    • 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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Laminated Bodies (AREA)
IT96MI000553A 1996-03-21 1996-03-21 Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica IT1283282B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT96MI000553A IT1283282B1 (it) 1996-03-21 1996-03-21 Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica
DE69701542T DE69701542T2 (de) 1996-03-21 1997-02-19 Verfahren zur Herstellung kristalliner vinylaromatischer Polymere mit vorwiegend syndiotaktischer Struktur
ES97102656T ES2143811T3 (es) 1996-03-21 1997-02-19 Procedimiento para la preparacion de polimeros vinilaromaticos cristalinos con una estructura sindiotactica predominante.
EP97102656A EP0796875B1 (en) 1996-03-21 1997-02-19 Process for the preparation of crystalline vinylaromatic polymers with a predominant syndiotactic structure
US08/805,247 US5721327A (en) 1996-03-21 1997-02-24 Process for the preparation of crystalline vinylaromatic polymers with a predominant syndiotactic structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI000553A IT1283282B1 (it) 1996-03-21 1996-03-21 Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica

Publications (3)

Publication Number Publication Date
ITMI960553A0 ITMI960553A0 (it) 1996-03-21
ITMI960553A1 ITMI960553A1 (it) 1997-09-21
IT1283282B1 true IT1283282B1 (it) 1998-04-16

Family

ID=11373717

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI000553A IT1283282B1 (it) 1996-03-21 1996-03-21 Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica

Country Status (5)

Country Link
US (1) US5721327A (it)
EP (1) EP0796875B1 (it)
DE (1) DE69701542T2 (it)
ES (1) ES2143811T3 (it)
IT (1) IT1283282B1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
US6531619B1 (en) * 2002-01-08 2003-03-11 Boulder Scientific Company Preparation of cyclopentadienyl or indenyl titanium trihalides
US7094723B2 (en) * 2002-04-18 2006-08-22 Equistar Chemicals Lp Catalysts containing at least one heterocyclic ligand for improving the catalysts' performance of olefin polymerization
US6982306B2 (en) * 2003-11-26 2006-01-03 Chevron Phillips Chemical Company, L.P. Stannoxy-substituted metallocene catalysts for olefin and acetylene polymerization
US7119153B2 (en) * 2004-01-21 2006-10-10 Jensen Michael D Dual metallocene catalyst for producing film resins with good machine direction (MD) elmendorf tear strength

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62187708A (ja) * 1985-11-11 1987-08-17 Idemitsu Kosan Co Ltd スチレン系重合体の製造法
US5196490A (en) * 1987-06-17 1993-03-23 The Dow Chemical Company Process for preparation of syndiotactic polystyrene
EP0328580B1 (en) * 1987-06-17 1993-07-21 The Dow Chemical Company Catalyst and process for preparation of syndiotactic polystyrene
JPH0733812A (ja) * 1993-07-02 1995-02-03 Idemitsu Kosan Co Ltd スチレン系重合体製造触媒及びそれを用いたスチレン系重合体の製造方法
JP3369294B2 (ja) * 1994-03-11 2003-01-20 出光興産株式会社 遷移金属化合物、それを用いた重合用触媒及び該重合用触媒を用いたスチレン系重合体の製造方法

Also Published As

Publication number Publication date
US5721327A (en) 1998-02-24
ITMI960553A1 (it) 1997-09-21
ITMI960553A0 (it) 1996-03-21
ES2143811T3 (es) 2000-05-16
EP0796875B1 (en) 2000-03-29
DE69701542T2 (de) 2000-09-14
EP0796875A3 (en) 1997-10-22
DE69701542D1 (de) 2000-05-04
EP0796875A2 (en) 1997-09-24

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Legal Events

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0001 Granted