IT1277677B1 - 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
IT1277677B1
IT1277677B1 IT95MI002701A ITMI952701A IT1277677B1 IT 1277677 B1 IT1277677 B1 IT 1277677B1 IT 95MI002701 A IT95MI002701 A IT 95MI002701A IT MI952701 A ITMI952701 A IT MI952701A IT 1277677 B1 IT1277677 B1 IT 1277677B1
Authority
IT
Italy
Prior art keywords
preparation
syndiotactic structure
procedure
vinylaromatic polymers
predominantly syndiotactic
Prior art date
Application number
IT95MI002701A
Other languages
English (en)
Inventor
Riccardo Po'
Nicoletta Cardi
Roberto Santi
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 ITMI952701A0 publication Critical patent/ITMI952701A0/it
Priority to IT95MI002701A priority Critical patent/IT1277677B1/it
Priority to DK96118100T priority patent/DK0780405T3/da
Priority to AT96118100T priority patent/ATE176248T1/de
Priority to EP96118100A priority patent/EP0780405B1/en
Priority to ES96118100T priority patent/ES2128815T3/es
Priority to DE69601457T priority patent/DE69601457T2/de
Priority to CA002191361A priority patent/CA2191361A1/en
Priority to US08/757,251 priority patent/US5728784A/en
Priority to MX9606540A priority patent/MX9606540A/es
Priority to JP8343764A priority patent/JPH09183811A/ja
Publication of ITMI952701A1 publication Critical patent/ITMI952701A1/it
Application granted granted Critical
Publication of IT1277677B1 publication Critical patent/IT1277677B1/it
Priority to GR990400682T priority patent/GR3029595T3/el

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
    • C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
    • C08F2410/01—Additive used together with the catalyst, excluding compounds containing Al or B
    • 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
    • C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
    • C08F2410/03—Multinuclear procatalyst, i.e. containing two or more metals, being different or not
    • 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
IT95MI002701A 1995-12-21 1995-12-21 Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica IT1277677B1 (it)

Priority Applications (11)

Application Number Priority Date Filing Date Title
IT95MI002701A IT1277677B1 (it) 1995-12-21 1995-12-21 Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica
DK96118100T DK0780405T3 (da) 1995-12-21 1996-11-12 Fremgangsmåde til fremstilling af krystallinske vinylaromatiske polymerer med overvejende syndiotaktisk struktur
AT96118100T ATE176248T1 (de) 1995-12-21 1996-11-12 Verfahren zur herstellung von kristallinen vinylaromatischen polymeren mit hauptsächlich syndiotaktischer struktur
EP96118100A EP0780405B1 (en) 1995-12-21 1996-11-12 Process for the preparation of crystalline vinylaromatic polymers with a predominantly syndiotactic structure
ES96118100T ES2128815T3 (es) 1995-12-21 1996-11-12 Procedimiento para la preparacion de polimeros vinilaromaticos cristalinos con una estructura predominantemente sindiotactica.
DE69601457T DE69601457T2 (de) 1995-12-21 1996-11-12 Verfahren zur Herstellung von kristallinen vinylaromatischen Polymeren mit hauptsächlich syndiotaktischer Struktur
CA002191361A CA2191361A1 (en) 1995-12-21 1996-11-26 Process for the preparation of crystalline vinylaromatic polymers with a predominantly syndiotactic structure
US08/757,251 US5728784A (en) 1995-12-21 1996-11-27 Process for the preparation of crystalline vinylaromatic polymers with a predominantly syndiotactic structure
MX9606540A MX9606540A (es) 1995-12-21 1996-12-17 Proceso para la preparacion de polimeros vinilaromaticos cristalinos con una estructura predominante sindiotactica.
JP8343764A JPH09183811A (ja) 1995-12-21 1996-12-24 シンジオタクチック構造が支配的な結晶性ビニル芳香族重合体の製造方法
GR990400682T GR3029595T3 (en) 1995-12-21 1999-03-05 Process for the preparation of crystalline vinylaromatic polymers with a predominantly syndiotactic structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95MI002701A IT1277677B1 (it) 1995-12-21 1995-12-21 Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica

Publications (3)

Publication Number Publication Date
ITMI952701A0 ITMI952701A0 (it) 1995-12-21
ITMI952701A1 ITMI952701A1 (it) 1997-06-21
IT1277677B1 true IT1277677B1 (it) 1997-11-11

Family

ID=11372771

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95MI002701A IT1277677B1 (it) 1995-12-21 1995-12-21 Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica

Country Status (11)

Country Link
US (1) US5728784A (it)
EP (1) EP0780405B1 (it)
JP (1) JPH09183811A (it)
AT (1) ATE176248T1 (it)
CA (1) CA2191361A1 (it)
DE (1) DE69601457T2 (it)
DK (1) DK0780405T3 (it)
ES (1) ES2128815T3 (it)
GR (1) GR3029595T3 (it)
IT (1) IT1277677B1 (it)
MX (1) MX9606540A (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6291695B1 (en) 1996-02-20 2001-09-18 Northwestern University Organo-Lewis acids of enhanced utility, uses thereof, and products based thereon
US5856256A (en) * 1996-02-20 1999-01-05 Northwestern University Organo-Lewis acid as cocatalyst for cationic homogeneous Ziegler-Natta olefin polymerizations
US6274752B1 (en) 1996-02-20 2001-08-14 Northwestern University Organo-Lewis acid as cocatalyst for cationic homogeneous Ziegler-Natta olefin polymerizations
IT1286031B1 (it) * 1996-10-24 1998-07-07 Enichem Spa Procedimento per la produzione di polimeri vinilaromatici ad elevato grado di sindiotassia
NL1004992C2 (nl) * 1997-01-14 1998-07-15 Dsm Nv Toepassing van verbindingen die Si, Ge, Sn of Pb bevatten als cokatalysator bij de polymerisatie van olefinen.
EP0954540B1 (en) 1997-01-14 2004-07-28 SABIC Polypropylenes B.V. A process for polymerizing olefins
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
CN1117106C (zh) * 1999-06-24 2003-08-06 中国石油化工集团公司 间规聚苯乙烯聚合物
US6982306B2 (en) 2003-11-26 2006-01-03 Chevron Phillips Chemical Company, L.P. Stannoxy-substituted metallocene catalysts for olefin and acetylene polymerization

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1276748C (en) 1985-07-29 1990-11-20 Michitake Uoi Styrene polymers
IL84800A (en) 1986-12-15 1991-09-16 Montedison Spa Production of crystalline vinyl aromatic polymers having mainly a syndiotactic structure
US4978730A (en) 1987-12-24 1990-12-18 Idemitsu Kosan Company Limited Process for producing styrene-based polymers and catalyst for use therein
IT1231774B (it) * 1989-08-03 1991-12-21 Enichem Anic Spa Catalizzatore e procedimento per la polimerizzazione e per la copolimerizzazione di alfa olefine.
US5326837A (en) * 1992-11-20 1994-07-05 Mobil Oil Corporation Catalyst systems for syndiospecific polymerization of styrenes
DE69505293T2 (de) * 1994-03-31 1999-03-11 Idemitsu Kosan Co Verfahren zur Herstellung eines Styrolpolymers
IT1276801B1 (it) * 1995-06-30 1997-11-03 Enichem Spa Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica
US5644009A (en) * 1995-11-27 1997-07-01 Industrial Technology Research Institute Catalyst composition for preparing high syndiotacticity polystyrene from styrene of other arylethylene monomers and processes using the same

Also Published As

Publication number Publication date
DE69601457D1 (de) 1999-03-11
DE69601457T2 (de) 1999-06-10
JPH09183811A (ja) 1997-07-15
CA2191361A1 (en) 1997-06-22
US5728784A (en) 1998-03-17
EP0780405A1 (en) 1997-06-25
DK0780405T3 (da) 1999-09-13
EP0780405B1 (en) 1999-01-27
ATE176248T1 (de) 1999-02-15
MX9606540A (es) 1997-06-28
GR3029595T3 (en) 1999-06-30
ITMI952701A1 (it) 1997-06-21
ITMI952701A0 (it) 1995-12-21
ES2128815T3 (es) 1999-05-16

Similar Documents

Publication Publication Date Title
CA2193882A1 (en) Polymerization catalyst systems, their production and use
EP1123938A3 (en) Organometallic fluorenyl compounds, preparation, and use
NO20022099D0 (no) Polymerisasjonskatalysatorsystem og fremgangsmåte for anvendelse av alkyllitiumforbindelser som en kokatalysator
IT1277677B1 (it) Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica
EP0693506A3 (en) Process for the preparation of amorphous polymers of propylene
AU6828000A (en) Imidochrome compounds contained in catalyst systems for olefin polymerisation
CA2019256A1 (en) Ethylene-aromatic vinyl compound alternating copolymer and process for the production thereof
AU2086688A (en) Catalyst and process for preparation of syndiotactic polystyrene
CA2284388A1 (fr) Polymerisation radicalaire en presence de plusieurs radicaux libres stables
NO173999C (no) Polymeriseringskatalysator, samt fremgansmaate ved polymerisering
MY107310A (en) Syndiotactic polymers from arylcyclobutene functional monomers, process for preparation and crosslinked derivatives thereof.
EP0707013A4 (en) CATALYST FOR PRODUCING STYRENE POLYMERS AND METHOD FOR PRODUCING STYRENE POLYMERS USING THEREOF
IT1275814B1 (it) Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominante sindiotattica
AU7138091A (en) Fluorourethane group-containing polymers made from ethylenically unsaturated monomers, process for their preparation and their use
FI914080A (fi) -olefiinien polymerointiin käyttökelpoinen kokatalyyttinen valmiste, sitä sisältävä katalyyttinen systeemi ja polymerointimenetelmä
EP0698619A4 (en) CATALYST FOR PRODUCING VINYL POLYMER AND PROCESS FOR PRODUCING AROMATIC VINYL POLYMER
IT1276801B1 (it) Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica
CA2313009A1 (en) Initiators for carbocationic polymerization of olefins
WO2005058983A3 (en) Monocyclopentadienyl complexes
EP0796875A3 (en) Process for the preparation of crystalline vinylaromatic polymers with a predominant syndiotactic structure
EP0742233A4 (en) METHOD OF MODULATING THE MOLAR MASS OF STYRENIC POLYMER
IT1286031B1 (it) Procedimento per la produzione di polimeri vinilaromatici ad elevato grado di sindiotassia
CA2232947A1 (en) Propylene polymer resin made from a high activity catalyst having a broad thermal processing window and articles made therefrom
AU3448189A (en) Process for inhibiting the polymerization of acid monomers
IT1244376B (it) Polimeri a struttura sindiotattica degli omega-alchenilsilani e processo per la loro preparazione

Legal Events

Date Code Title Description
0001 Granted