ES2140177T3 - Procedimiento para la preparacion de polimeros vinilaromaticos con un alto grado de sindiotacticidad. - Google Patents
Procedimiento para la preparacion de polimeros vinilaromaticos con un alto grado de sindiotacticidad.Info
- Publication number
- ES2140177T3 ES2140177T3 ES97117019T ES97117019T ES2140177T3 ES 2140177 T3 ES2140177 T3 ES 2140177T3 ES 97117019 T ES97117019 T ES 97117019T ES 97117019 T ES97117019 T ES 97117019T ES 2140177 T3 ES2140177 T3 ES 2140177T3
- Authority
- ES
- Spain
- Prior art keywords
- sub
- syndiotacticity
- procedure
- atom
- preparation
- 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
Links
- 229920000642 polymer Polymers 0.000 title abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical class [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 2
- CPOFMOWDMVWCLF-UHFFFAOYSA-N methyl(oxo)alumane Chemical group C[Al]=O CPOFMOWDMVWCLF-UHFFFAOYSA-N 0.000 abstract 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 229910052736 halogen Inorganic materials 0.000 abstract 1
- 150000002367 halogens Chemical class 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
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
- 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)
- 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)
Abstract
PROCEDIMIENTO DE PREPARACION DE POLIMEROS VINILA-AROMATICOS, CRISTALINOS CON ELEVADO GRADO DE SINDIOTACTICIDAD, QUE CONSISTE EN POLIMERIZAR MONOMEROS VINILAROMATICOS, EN PRESENCIA DE UN SISTEMA CATALITICO FORMADO BASICAMENTE POR: A) UN COMPLEJO DE TITANIO, SELECCIONADO A PARTIR DE AQUELLOS QUE TIENEN LA FORMULA GENERAL: DONDE LOS GRUPOS R SUB,1}, R SUB,2}, R SUB,3}, R SUB,4} Y R SUB,5} REPRESENTAN UN ATOMO DE HIDROGENO O GRUPOS ALQUILO C SUB,1} - C SUB,10}; X REPRESENTA UN ATOMO DE HIDROGENO, UN ATOMO DE HALOGENO COMO CLORO, UN RADICAL ALQUILO O ALQUILALQUILO C SUB,1} - C SUB,10} O UN RADICAL OXIARILO C SUB,6} - C SUB,12}; B) UN ALQUILALUMINOXANO; Y C) UN DERIVADO ORGANICO DE ESTAÑO; CARACTERIZADO PORQUE EL ALQUILALUMINOXANO ES METILALUMINOXANO (MAO) TRATADO A 20-80 (GRADOS) C, BAJO VACIO, DURANTE 1-100 HORAS Y EL DERIVADO ORGANICO DE ESTAÑO ES TETRAFENILO.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT96MI002203A IT1286031B1 (it) | 1996-10-24 | 1996-10-24 | Procedimento per la produzione di polimeri vinilaromatici ad elevato grado di sindiotassia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2140177T3 true ES2140177T3 (es) | 2000-02-16 |
Family
ID=11375082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES97117019T Expired - Lifetime ES2140177T3 (es) | 1996-10-24 | 1997-10-01 | Procedimiento para la preparacion de polimeros vinilaromaticos con un alto grado de sindiotacticidad. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5830959A (es) |
| EP (1) | EP0838481B1 (es) |
| AT (1) | ATE188225T1 (es) |
| CA (1) | CA2216019A1 (es) |
| DE (1) | DE69701028T2 (es) |
| ES (1) | ES2140177T3 (es) |
| IT (1) | IT1286031B1 (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0861853A1 (en) * | 1997-02-27 | 1998-09-02 | ENICHEM S.p.A. | Catalyst and process for the syndiotactic polymerization of vinylaromatic compounds |
| US6127302A (en) * | 1997-12-09 | 2000-10-03 | Union Carbide Chemicals & Plastics Technology Corporation | Unbridged monocyclopentadienyl metal complex catalyst and a process for polyolefin production |
| 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. |
| US6982306B2 (en) | 2003-11-26 | 2006-01-03 | Chevron Phillips Chemical Company, L.P. | Stannoxy-substituted metallocene catalysts for olefin and acetylene polymerization |
| US20230132366A9 (en) | 2018-11-26 | 2023-04-27 | Denali Therapeutics Inc. | Methods for treating dysregulated lipid metabolism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978730A (en) * | 1987-12-24 | 1990-12-18 | Idemitsu Kosan Company Limited | Process for producing styrene-based polymers and catalyst for use therein |
| AU624219B2 (en) * | 1989-02-16 | 1992-06-04 | Idemitsu Kosan Company Limited | Process for preparation of aluminoxane |
| JPH02252706A (ja) * | 1989-03-28 | 1990-10-11 | Idemitsu Kosan Co Ltd | スチレン系重合体の製造方法 |
| US5326837A (en) * | 1992-11-20 | 1994-07-05 | Mobil Oil Corporation | Catalyst systems for syndiospecific polymerization of styrenes |
| IT1277677B1 (it) * | 1995-12-21 | 1997-11-11 | Enichem Spa | Procedimento per la preparazione di polimeri vinilaromatici cristallini a struttura predominantemente sindiotattica |
-
1996
- 1996-10-24 IT IT96MI002203A patent/IT1286031B1/it active IP Right Grant
-
1997
- 1997-10-01 ES ES97117019T patent/ES2140177T3/es not_active Expired - Lifetime
- 1997-10-01 AT AT97117019T patent/ATE188225T1/de not_active IP Right Cessation
- 1997-10-01 EP EP97117019A patent/EP0838481B1/en not_active Expired - Lifetime
- 1997-10-01 DE DE69701028T patent/DE69701028T2/de not_active Expired - Fee Related
- 1997-10-06 US US08/944,783 patent/US5830959A/en not_active Expired - Fee Related
- 1997-10-08 CA CA002216019A patent/CA2216019A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| DE69701028T2 (de) | 2000-07-20 |
| DE69701028D1 (de) | 2000-02-03 |
| US5830959A (en) | 1998-11-03 |
| EP0838481A1 (en) | 1998-04-29 |
| ITMI962203A1 (it) | 1998-04-24 |
| ATE188225T1 (de) | 2000-01-15 |
| CA2216019A1 (en) | 1998-04-24 |
| EP0838481B1 (en) | 1999-12-29 |
| IT1286031B1 (it) | 1998-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2039726T5 (es) | Procedimiento para la obtencion de un polimero de 1-olefina. | |
| DE3777280D1 (de) | Amphotere wasserloesliche polymere, verfahren zu ihrer herstellung und ihre verwendung als dispergierhilfsmittel. | |
| ES521078A0 (es) | Procedimiento de estabilizacion de polimeros a base de cloruro de vinilo. | |
| ES2091955T3 (es) | Polimero hibrido organico-inorganico. | |
| IT8820762A0 (it) | Stabilizzanti uv per polimeri organici. | |
| ES8801323A1 (es) | Procedimiento catalitico para la polimerizacion de isopreno. | |
| NZ318731A (en) | Process for production of low molecular weight polymers by use of a selected chain transfer agent | |
| AR246278A1 (es) | Sistemas de catalizador para la polimerizacion de alqu-1-enos con 2 a 10 atomos de carbono. | |
| ATE26835T1 (de) | Tris(piperidylaminotriazylamino) verbindungen, ihre herstellung und ihre verwendung als stabilisierungsmittel fuer polymere. | |
| ES2046349T5 (es) | Procedimiento para la preparacion de polimeros de 1-olefinas. | |
| ES2140177T3 (es) | Procedimiento para la preparacion de polimeros vinilaromaticos con un alto grado de sindiotacticidad. | |
| NO924795D0 (no) | Fremgangsmaate for fremstilling av stabiliserte polyolefiner og slike polyolefiner | |
| ATE271069T1 (de) | Radikalische polymerisation in gegenwart von mehreren stabilen, freien radikalen | |
| ES2036948B1 (es) | Procedimiento de obtencion de compuestos derivados de piridina. | |
| IT1295933B1 (it) | 2-(2'-idrossifenil)benzotriazoli e procedimento per la loro preparazione | |
| CY1107566T1 (el) | Μεθοδος για την παρασκευη r-(-)-καρνιτινης απο s-(-) χλωροηλεκτρικο οξυ ή απο ενα παραγωγο του | |
| DK615284A (da) | Membraner af i det vaesentlige ikke-tvaerbundne polymere indeholdende ionogene grupper | |
| ATE106912T1 (de) | Verfahren zur herstellung von polythiophenen und damit hergestellte elektrisch leitfähige vorrichtungen. | |
| DE69732123D1 (de) | Trizyklische verbindungen mit farnesyl protein transferase inhibierender wirkung | |
| ES2000320A6 (es) | Procedimiento para la preparacion de compuestos de 1-oxa-3-oxo-4,8-diaza-espiro (4,5) decano | |
| FI906323A0 (fi) | Foer olefinpolymerisation avsett stereospecifikt katalysatorsystem. | |
| MXPA04004453A (es) | Polimeros de injerto con cadenas laterales que comprenden n-vinilamidas ciclicas. | |
| DK460583A (da) | Fremgangsmaade til fremstilling af perleformede biokatalysatorer og disses anvendelse | |
| ES2143125T3 (es) | Uso de copolimeros anfifilicos que contienen un monomero fluorado para impartir impermeabilidad al cuero. | |
| ES8506740A1 (es) | Procedimiento para la produccion de fosfonatos, fosfinatos y fosfinoxidos de halogenacil-aminoalquilo |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
Ref document number: 838481 Country of ref document: ES |