Patent ID: 8263520
Filing Date: 2012-09-11
Classification: B01J,C07C,C08F,Y02P

Abstract:
1. A solid, hydrocarbon-insoluble catalyst component useful in polymerizing olefins, said catalyst component containing magnesium, titanium, and halogen, and further containing an internal electron donor having a structure: wherein R 1 is independently at each occurrence, an aliphatic or aromatic hydrocarbon, or a substituted hydrocarbon group containing from 1 to 20 carbon atoms; x is 2-4; and R 2 is an aliphatic or aromatic hydrocarbon, or a substituted hydrocarbon group containing from 1 to 20 carbon atoms, provided that there are 2 atoms in the shortest chain connecting a first R 1 —O—C(O)—O— group and a second R 1 —O—C(O)—O— group.