IT1302680B1 - Procedimento per la preparazione di polimeri vinilaromatici adelevato grado di sindiotassia. - Google Patents

Procedimento per la preparazione di polimeri vinilaromatici adelevato grado di sindiotassia.

Info

Publication number
IT1302680B1
IT1302680B1 IT1998MI002219A ITMI982219A IT1302680B1 IT 1302680 B1 IT1302680 B1 IT 1302680B1 IT 1998MI002219 A IT1998MI002219 A IT 1998MI002219A IT MI982219 A ITMI982219 A IT MI982219A IT 1302680 B1 IT1302680 B1 IT 1302680B1
Authority
IT
Italy
Prior art keywords
syndiotaxy
procedure
preparation
high degree
vinylaromatic polymers
Prior art date
Application number
IT1998MI002219A
Other languages
English (en)
Inventor
Riccardo Po'
Luigi Abbondanza
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 IT1998MI002219A priority Critical patent/IT1302680B1/it
Publication of ITMI982219A0 publication Critical patent/ITMI982219A0/it
Priority to DE69909394T priority patent/DE69909394T2/de
Priority to EP99203218A priority patent/EP0994126B1/en
Priority to US09/415,912 priority patent/US6174973B1/en
Publication of ITMI982219A1 publication Critical patent/ITMI982219A1/it
Application granted granted Critical
Publication of IT1302680B1 publication Critical patent/IT1302680B1/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/12—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
    • B01J31/14—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron
    • B01J31/143—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides of aluminium or boron of aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22—Organic complexes
    • B01J31/2282—Unsaturated compounds used as ligands
    • B01J31/2295—Cyclic compounds, e.g. cyclopentadienyls
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/40—Complexes comprising metals of Group IV (IVA or IVB) as the central metal
    • B01J2531/46—Titanium
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT1998MI002219A 1998-10-15 1998-10-15 Procedimento per la preparazione di polimeri vinilaromatici adelevato grado di sindiotassia. IT1302680B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT1998MI002219A IT1302680B1 (it) 1998-10-15 1998-10-15 Procedimento per la preparazione di polimeri vinilaromatici adelevato grado di sindiotassia.
DE69909394T DE69909394T2 (de) 1998-10-15 1999-10-01 Verfahren zur Herstellung von vinylaromatischen Polymeren mit hohem Anteil an Syndiotaktizität
EP99203218A EP0994126B1 (en) 1998-10-15 1999-10-01 Process for the preparation of vinylaromatic polymers with a high degree of syndiotacticity
US09/415,912 US6174973B1 (en) 1998-10-15 1999-10-12 Process for the preparation of vinylaromatic polymers with a high degree of syndiotaxy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1998MI002219A IT1302680B1 (it) 1998-10-15 1998-10-15 Procedimento per la preparazione di polimeri vinilaromatici adelevato grado di sindiotassia.

Publications (3)

Publication Number Publication Date
ITMI982219A0 ITMI982219A0 (it) 1998-10-15
ITMI982219A1 ITMI982219A1 (it) 2000-04-15
IT1302680B1 true IT1302680B1 (it) 2000-09-29

Family

ID=11380879

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998MI002219A IT1302680B1 (it) 1998-10-15 1998-10-15 Procedimento per la preparazione di polimeri vinilaromatici adelevato grado di sindiotassia.

Country Status (4)

Country Link
US (1) US6174973B1 (it)
EP (1) EP0994126B1 (it)
DE (1) DE69909394T2 (it)
IT (1) IT1302680B1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8768779B2 (en) * 2006-08-23 2014-07-01 Accenture Global Services Limited Network layer integration for supporting internet access, voice over internet protocol, and internet protocol television services
CN115592109A (zh) * 2022-10-24 2023-01-13 中国石油大学（华东）（Cn） 一种基于主客体作用的无机纳米粒子自组装的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740570A (en) * 1985-01-18 1988-04-26 E. I. Du Pont De Nemours And Company Metal halide vaporization into diluents
US4680351A (en) * 1985-09-06 1987-07-14 Phillips Petroleum Company Supported polyolefin catalyst components and methods of making and using same
JPH05239138A (ja) * 1992-02-28 1993-09-17 Mitsubishi Petrochem Co Ltd オレフィン重合用触媒
IT1276801B1 (it) 1995-06-30 1997-11-03 Enichem Spa Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica
DE19546096A1 (de) * 1995-12-11 1997-06-12 Basf Ag Verfahren zur Herstellung von Polymerisaten von vinylaromatischen Verbindungen in einer Stufe unter Verwendung von Doppelschneckenextrudern
IT1283282B1 (it) 1996-03-21 1998-04-16 Enichem Spa Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica
IT1286031B1 (it) 1996-10-24 1998-07-07 Enichem Spa Procedimento per la produzione di polimeri vinilaromatici ad elevato grado di sindiotassia

Also Published As

Publication number Publication date
DE69909394D1 (de) 2003-08-14
DE69909394T2 (de) 2004-04-15
EP0994126B1 (en) 2003-07-09
EP0994126A1 (en) 2000-04-19
US6174973B1 (en) 2001-01-16
ITMI982219A0 (it) 1998-10-15
ITMI982219A1 (it) 2000-04-15

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Legal Events

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0001 Granted