CO4370057A1 - USEFUL CHROME CATALYSTS FOR ETHYLENE POLYMERIZATION - Google Patents

USEFUL CHROME CATALYSTS FOR ETHYLENE POLYMERIZATION

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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
Application number
CO94034077A
Other languages
Spanish (es)
Inventor
Kent W Rollman
Elizabeth Benham
William M Whitte
Max P Macdaniel
William R Coutant
F Wallace Bailey
Original Assignee
Phillips Petroleum Co
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 Phillips Petroleum Co filed Critical Phillips Petroleum Co
Priority to CO94034077A priority Critical patent/CO4370057A1/en
Publication of CO4370057A1 publication Critical patent/CO4370057A1/en

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  • 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 ".

CO94034077A 1994-08-03 1994-08-03 USEFUL CHROME CATALYSTS FOR ETHYLENE POLYMERIZATION CO4370057A1 (en)

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)

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