MX9705031A - Proceso para la preparacion de un catalizador util para la hidrogenacion de copolimeros de estireno-butadieno. - Google Patents
Proceso para la preparacion de un catalizador util para la hidrogenacion de copolimeros de estireno-butadieno.Info
- Publication number
- MX9705031A MX9705031A MX9705031A MX9705031A MX9705031A MX 9705031 A MX9705031 A MX 9705031A MX 9705031 A MX9705031 A MX 9705031A MX 9705031 A MX9705031 A MX 9705031A MX 9705031 A MX9705031 A MX 9705031A
- Authority
- MX
- Mexico
- Prior art keywords
- compolymers
- hydrogenization
- butadiene
- styrene
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/02—Hydrogenation
-
- 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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
- C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/04—Reduction, e.g. hydrogenation
-
- 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
- Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S525/94—Hydrogenation of a polymer
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Catalysts (AREA)
- Graft Or Block Polymers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Una composicion catalítica efectiva en la hidrogenacion selectiva de ligaduras dobles olefínicas preparada mediante la reaccion entre: (A) por lo menos un derivado de bis(ciclopentadienil)titanio que tiene la formula general (I) (C5H5)2Ti(R)R1) en donde R y R1, iguales o diferentes, son halogenos; el compuesto anterior (I) en estado solido o disperso en uno o más diluyentes no solventes; (B) por lo menos un derivado orgánico que tiene la formula general (II) M(R2)R3), en donde M se selecciona de zinc y magnesio, de preferencia magnesio, y R2 y R3, iguales o diferentes, seleccionan de alquilos de C1-C16; (C) por lo menos un modificador.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MIMI96/A001368 | 1996-07-04 | ||
IT96MI001368A IT1284105B1 (it) | 1996-07-04 | 1996-07-04 | Procedimento per la preparazione di un catalizzatore utile per la idrogenazione di copolimeri stirene-butadiene |
MIMI96A001368 | 1996-07-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
MX9705031A true MX9705031A (es) | 1998-07-31 |
MXPA97005031A MXPA97005031A (es) | 1998-11-09 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
JP4121586B2 (ja) | 2008-07-23 |
RU2194718C2 (ru) | 2002-12-20 |
EP0816382A1 (en) | 1998-01-07 |
ITMI961368A0 (es) | 1996-07-04 |
CN1177599A (zh) | 1998-04-01 |
KR100244045B1 (ko) | 2000-02-01 |
IT1284105B1 (it) | 1998-05-08 |
CN1107079C (zh) | 2003-04-30 |
TW426689B (en) | 2001-03-21 |
DE69703765T2 (de) | 2001-08-02 |
DE69703765D1 (de) | 2001-02-01 |
CA2209428A1 (en) | 1998-01-04 |
KR980009294A (ko) | 1998-04-30 |
US5948869A (en) | 1999-09-07 |
CA2209428C (en) | 2006-03-28 |
EP0816382B1 (en) | 2000-12-27 |
ITMI961368A1 (it) | 1998-01-04 |
ES2154006T3 (es) | 2001-03-16 |
BR9703827A (pt) | 1998-08-11 |
JPH11563A (ja) | 1999-01-06 |
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