ES2185467B2 - CATALYST COMPOSITION FOR HYDROGENATION OF SYNTHETIC RUBBERS BASED ON CONJUGATED DIENO. - Google Patents
CATALYST COMPOSITION FOR HYDROGENATION OF SYNTHETIC RUBBERS BASED ON CONJUGATED DIENO.Info
- Publication number
- ES2185467B2 ES2185467B2 ES200003055A ES200003055A ES2185467B2 ES 2185467 B2 ES2185467 B2 ES 2185467B2 ES 200003055 A ES200003055 A ES 200003055A ES 200003055 A ES200003055 A ES 200003055A ES 2185467 B2 ES2185467 B2 ES 2185467B2
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- ES
- Spain
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- group
- sup
- hydrogenation
- different
- same
- 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 - Fee Related
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- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Proceso para la hidrogenación de polímeros de dieno conjugados que comprende la hidrogenación del mencionado polímero en presencia de hidrógeno y una composición catalizadora de hidrogenación formada por: a) al menos un compuesto de titanio representado por la siguiente fórmula (a): **FIGURA 01** donde R{sup,1} y R{sup,2}, que pueden ser el mismo o diferentes, representan un átomo de halógeno, un grupo alquilo, un grupo arilo, un grupo araquilo, un grupo cicloalquilo, un grupo ariloxi, un grupo alcoxi o un grupo carbonilo, y Cp* representa un grupo ciclopentadienil o un derivado que tenga la fórmula de C5R5, y R5, que puede ser el mismo o diferente, y que representa un átomo de hidrógeno, un grupo alquilo, un grupo aralquilo y un grupo arilo; b) al menos un hidruro de sililo seleccionado entre el grupo formado por: (I) un hidruro de sililo monomérico representado por la siguiente fórmula (I): **FIGURA 02** donde X1, X2 y X3, que pueden ser el mismo o diferentes, representan un átomo de hidrógeno, un átomo de halógeno, un grupo alquilo, un grupo arilo, un grupo aralquilo, un grupo cicloalquilo, un grupo ariloxi, un grupo alcoxi, un grupo aciloxi o un grupo carboxílico, (II) un hidruro de sililo polimérico representado por la siguiente fórmula (II): donde R, R{sup,3}, R{sup,4}, R{sup,5}, R{sup,6}, R{sup,7}, y R{sup,8}, que pueden ser iguales o distintos representan un átomo de hidrógeno, un átomo de halógeno, un grupo alquilo, un grupo arilo, un grupo aralquilo, un grupo cicloalquilo, un grupo ariloxi o un grupo alcoxi y (n >=0).Process for the hydrogenation of conjugated diene polymers comprising the hydrogenation of said polymer in the presence of hydrogen and a hydrogenation catalyst composition formed by: a) at least one titanium compound represented by the following formula (a): ** FIGURE 01 ** where R {sup, 1} and R {sup, 2}, which may be the same or different, represent a halogen atom, an alkyl group, an aryl group, an arakyl group, a cycloalkyl group, an aryloxy group , an alkoxy group or a carbonyl group, and Cp * represents a cyclopentadienyl group or a derivative having the formula of C5R5, and R5, which may be the same or different, and which represents a hydrogen atom, an alkyl group, a aralkyl group and an aryl group; b) at least one silyl hydride selected from the group consisting of: (I) a monomeric silyl hydride represented by the following formula (I): ** FIGURE 02 ** where X1, X2 and X3, which may be the same or different, they represent a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, a cycloalkyl group, an aryloxy group, an alkoxy group, an acyloxy group or a carboxylic group, (II) a Polymeric silyl hydride represented by the following formula (II): where R, R {sup, 3}, R {sup, 4}, R {sup, 5}, R {sup, 6}, R {sup, 7} , and R {sup, 8}, which may be the same or different represent a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, a cycloalkyl group, an aryloxy group or an alkoxy group and (n> = 0).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200003055A ES2185467B2 (en) | 2000-12-20 | 2000-12-20 | CATALYST COMPOSITION FOR HYDROGENATION OF SYNTHETIC RUBBERS BASED ON CONJUGATED DIENO. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200003055A ES2185467B2 (en) | 2000-12-20 | 2000-12-20 | CATALYST COMPOSITION FOR HYDROGENATION OF SYNTHETIC RUBBERS BASED ON CONJUGATED DIENO. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2185467A1 ES2185467A1 (en) | 2003-04-16 |
| ES2185467B2 true ES2185467B2 (en) | 2004-10-01 |
Family
ID=8496073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200003055A Expired - Fee Related ES2185467B2 (en) | 2000-12-20 | 2000-12-20 | CATALYST COMPOSITION FOR HYDROGENATION OF SYNTHETIC RUBBERS BASED ON CONJUGATED DIENO. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2185467B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2301353B2 (en) * | 2006-04-28 | 2009-04-01 | Tsrc Corporation | CATALYST COMPOSITION AND PROCEDURE TO HYDROGEN A POLYMER THAT HAS A CONJUGATED DESIGN. |
| ES2423762T3 (en) | 2009-06-22 | 2013-09-24 | Dynasol Elastómeros, S.A. | Catalyst for hydrogenation of unsaturated compounds |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5039755A (en) * | 1990-05-29 | 1991-08-13 | Shell Oil Company | Selective hydrogenation of conjugated diolefin polymers |
| US5141997A (en) * | 1990-08-15 | 1992-08-25 | Shell Oil Company | Selective hydrogenation of conjugated diolefin polymers |
| ES2053363B1 (en) * | 1991-12-05 | 1995-02-16 | Repsol Quimica Sa | OLEPHINE HYDROGENATION PROCEDURE. |
| ES2050620B1 (en) * | 1992-11-03 | 1994-12-16 | Repsol Quimica Sa | HYDROGENATION PROCEDURE IN DISSOLUTION OF THE DOUBLE LINKS OF CONJUGATED DIES POLYMERS AND COPOLYMER HYDROGENATED BLOCK PRODUCED. |
| IT1295266B1 (en) * | 1997-10-03 | 1999-05-04 | Enichem Spa | PROCEDURE AND CATALYST FOR THE HYDROGENATION OF OLEFINICALLY UNSATURATED COMPOUNDS |
-
2000
- 2000-12-20 ES ES200003055A patent/ES2185467B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES2185467A1 (en) | 2003-04-16 |
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