摘要 |
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: [R1-O-C(O)-O-]xR2 wherein R1 is independently at each occurrence, an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms; x is 2-4; and R2 is an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms, provided that there are 2 atoms in the shortest chain connecting a first R1 O C(O)-O- group and a second R1-O-C(O)-O- group. |
申请人 |
DOW GLOBAL TECHNOLOGIES LLC |
发明人 |
COALTER, JOSEPH, N., III;LEUNG, TAK, W.;TAO, TAO;GAO, KUANQIANG |