ES2143811T3 - Procedimiento para la preparacion de polimeros vinilaromaticos cristalinos con una estructura sindiotactica predominante. - Google Patents

Procedimiento para la preparacion de polimeros vinilaromaticos cristalinos con una estructura sindiotactica predominante.

Info

Publication number
ES2143811T3
ES2143811T3 ES97102656T ES97102656T ES2143811T3 ES 2143811 T3 ES2143811 T3 ES 2143811T3 ES 97102656 T ES97102656 T ES 97102656T ES 97102656 T ES97102656 T ES 97102656T ES 2143811 T3 ES2143811 T3 ES 2143811T3
Authority
ES
Spain
Prior art keywords
preparation
syndiotactic structure
procedure
sub
vinylaromatic polymers
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 - Lifetime
Application number
ES97102656T
Other languages
English (en)
Inventor
Roberto Santi
Giuseppe Cometti
Riccardo Po'
Nicoletta Cardi
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
Application granted granted Critical
Publication of ES2143811T3 publication Critical patent/ES2143811T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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)

Abstract

PROCESO PARA LA PREPARACION DE POLIMEROS VINILOAROMATICOS CRISTALINOS CON UNA ESTRUCTURA SINDIOTACTICA PREDOMINANTE QUE CONSISTE EN LA POLIMERIZACION DE MONOMEROS VINILOAROMATICOS EN PRESENCIA DE UN SISTEMA CATALITICO FORMADO POR: UN COMPLEJO DE TITANIO CON LA FORMULA GENERAL (I): DONDE R{SUP,1}, R{SUP,2}, R{SUP,3} Y R{SUP,4}, QUE PUEDEN SER IGUALES O DIFERENTES, REPRESENTAN UN ATOMO DE HIDROGENO O UN RADICAL ALQUILO C{SUB,1} C{SUB, 20} O UN RADICAL ARILALQUILO O ARILO C{SUB,6} - C{SUB,20}, CON LA CONDICION DE QUE AL MENOS UNO DE ELLOS NO SEA HIDROGENO.
ES97102656T 1996-03-21 1997-02-19 Procedimiento para la preparacion de polimeros vinilaromaticos cristalinos con una estructura sindiotactica predominante. Expired - Lifetime ES2143811T3 (es)

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 (1)

Publication Number Publication Date
ES2143811T3 true ES2143811T3 (es) 2000-05-16

Family

ID=11373717

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97102656T Expired - Lifetime ES2143811T3 (es) 1996-03-21 1997-02-19 Procedimiento para la preparacion de polimeros vinilaromaticos cristalinos con una estructura sindiotactica predominante.

Country Status (5)

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

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
EP0796875B1 (en) 2000-03-29
DE69701542T2 (de) 2000-09-14
EP0796875A3 (en) 1997-10-22
ITMI960553A0 (es) 1996-03-21
US5721327A (en) 1998-02-24
IT1283282B1 (it) 1998-04-16
ITMI960553A1 (it) 1997-09-21
EP0796875A2 (en) 1997-09-24
DE69701542D1 (de) 2000-05-04

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