CATALYST COMPOSITIONS COMPRISING SUPPORT MATERIALS HAVING AN IMPROVED PARTICLE-SIZE DISTRIBUTION

摘要

6 1 CATALYST COMPOSITIONS COMPRISING SUPPORT MATERIALS HAVING AN IMPROVED PARTICLE-SIZE DISTRIBUTION ABSTRACT 5 A CATALYST COMPOSITION THAT INCLUDES A SUPPORT MATERIAL HAVING AN IMPROVED PARTICLE-SIZE DISTRIBUTION IS PROVIDED. PROCESSES FOR PRODUCING POLVOLEFIN COMPOSITION ALSO ARE PROVIDED. POLYMERS AND FILMS ALSO ARE PROVIDED. AN EXAMPLE OF A CATALYST COMPOSITION IS A SUPPORTED NIULTI-TRANSITION-METAL CATALYST COMPOSITION THAT INCLUDES: (A) AT LEAST TWO CATALYST COMPONENTS SELECTED 10 FROM THE GROUP CONSISTING OF. A NONMETALLOCENE CATALYST COMPONENT AND A METALLOCENE CATALYST COMPONENT; (B) A SUPPORT MATERIAL THAT HAS A D50 OF LESS THAN ABOUT 30 MICRONS AND A PARTICLE SIZE DISTRIBUTION HAVING A D90,/DJO RATIO OF LESS THAN ABOUT 6; AND (C) AN ACTIVATOR. 70067O _F