CO4370057A1 - USEFUL CHROME CATALYSTS FOR ETHYLENE POLYMERIZATION - Google Patents
USEFUL CHROME CATALYSTS FOR ETHYLENE POLYMERIZATIONInfo
- Publication number
- CO4370057A1 CO4370057A1 CO94034077A CO94034077A CO4370057A1 CO 4370057 A1 CO4370057 A1 CO 4370057A1 CO 94034077 A CO94034077 A CO 94034077A CO 94034077 A CO94034077 A CO 94034077A CO 4370057 A1 CO4370057 A1 CO 4370057A1
- Authority
- CO
- Colombia
- Prior art keywords
- support
- chrome
- per gram
- useful
- ethylene polymerization
- Prior art date
Links
Landscapes
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
REIVINDICACION NUMERO UNA COMPOSICION CATALIZADORA DE CROMO QUE COMPREN- DE AL MENOS DOS SISTEMAS CATALIZADORES DE CROMO EN LOS CUALES: (a) AL MENOS UNO DE DICHOS SISTEMAS DE CATALIZADOR DE CROMO COMPRENDE CROMO Y UN SOPORTE, EN EL CUAL LA CANTIDAD DE DICHO CROMO ES DE CERCA DE 0.5 A CERCA DE 1 POR CIENTO POR PESO CON BASE EN EL PESO TOTAL DE DICHO SISTEMA CATALIZADOR, EN EL CUAL DI- CHO SOPORTE COMPRENDE SILICE Y TITANIO, EN EL CUAL DICHO SOPORTE TIENE UN VOLUMEN DE PORO DESDE CERCA DE 2 A CERCA DE 3 CENTIMETROS CUBICOS POR GRAMO, Y EN EL CUAL DICHO SOPORTE TIENE UN AREA DE SUPERFI- CIE DEDE CERCA DE 400 A CERCA DE 600 METROS CUA- DRADOS POR GRAMO; Y (b) AL MENOS OTRO DE DICHOS SISTEMAS CATALIZADORES DE CROMO Y UN SOPORTE, EN EL CUAL LA CANTIDAD DE DICHO CROMO ES DE CERCA DE 1 A CERCA DE 1.5 POR CIENTO POR PESO CON BASE EN EL PESO TOTAL DE DICHO SISTEMA CATALIZADOR, EN EL CUAL DICHO SOPORTE COM- PRENDE SILICE Y TITANIA, EN EL CUAL DICHO SOPORTE TIENE UN VOLUMEN DE PORO DESDE CERCA DE 0,7 A CER- CA DE 1,4 CENTIMETROS CUBICOS POR GRAMO, Y EN EL CUAL DICHO SOPORTE TIENE UN AREA DE SUPERFICIE DESDE CERCA DE 300 A CERCA DE 400 METROS CUADRADOS POR GRAMO".CLAIMED NUMBER A CHROME CATALYST COMPOSITION WHICH INCLUDES AT LEAST TWO CHROME CATALYST SYSTEMS IN WHICH: (a) AT LEAST ONE OF THESE CHROME CATALYST SYSTEMS INCLUDES CHROME AND A SUPPORT, IN WHICH THE QUANTITY IS FROM NEAR 0.5 TO NEAR 1 PERCENT BY WEIGHT BASED ON THE TOTAL WEIGHT OF SUCH CATALYST SYSTEM, IN WHICH SUCH SUPPORT COMPRISES SILICE AND TITANIUM, IN WHICH SUCH SUPPORT IT HAS A VOLUME OF PORE FROM NEAR 2 TO NEAR 3 CUBIC CENTIMETERS PER GRAM, AND IN WHICH SUCH SUPPORT IT HAS A SURFACE AREA FROM NEAR 400 TO NEAR 600 SQUARE METERS PER GRAM; AND (b) AT LEAST ONE OF THESE CHROME CATALYST SYSTEMS AND ONE SUPPORT, IN WHICH THE AMOUNT OF SUCH CHROME IS NEAR 1 TO NEAR 1.5 PERCENT BY WEIGHT BASED ON THE TOTAL WEIGHT OF SUCH CATALYST SYSTEM, IN WHICH SUCH SUPPORT COMPRISES SILICE AND TITANIA, IN WHICH SUCH SUPPORT IT HAS A PORE VOLUME FROM NEAR 0.7 TO NEAR 1.4 CUBIC CENTS PER GRAM, AND IN WHICH SUCH SUPPORT IT HAS AN AREA OF SURFACE FROM ABOUT 300 TO ABOUT 400 SQUARE METERS PER GRAM ".
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CO94034077A CO4370057A1 (en) | 1994-08-03 | 1994-08-03 | USEFUL CHROME CATALYSTS FOR ETHYLENE POLYMERIZATION |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CO94034077A CO4370057A1 (en) | 1994-08-03 | 1994-08-03 | USEFUL CHROME CATALYSTS FOR ETHYLENE POLYMERIZATION |
Publications (1)
Publication Number | Publication Date |
---|---|
CO4370057A1 true CO4370057A1 (en) | 1996-10-07 |
Family
ID=40909594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CO94034077A CO4370057A1 (en) | 1994-08-03 | 1994-08-03 | USEFUL CHROME CATALYSTS FOR ETHYLENE POLYMERIZATION |
Country Status (1)
Country | Link |
---|---|
CO (1) | CO4370057A1 (en) |
-
1994
- 1994-08-03 CO CO94034077A patent/CO4370057A1/en unknown
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