摘要 |
A spray-dried composition comprising an inert porous filler and a reaction product of 1) a mixture or reaction product of a magnesium halide, a solvent, an electron donor compound, and a transition metal compound. The filler is substantially spherical and has an average particle size ranging from 1 mum to 12mum. Methods of making spray-dried compositions, catalysts, and polymerization processes employing such compositions are also described. |
申请人 |
DOW GLOBAL TECHNOLOGIES INC.;WAGNER, BURKHARD, ERIC;JORGENSEN, ROBERT, JAMES;SMALE, MARK, WILTON |
发明人 |
WAGNER, BURKHARD, ERIC;JORGENSEN, ROBERT, JAMES;SMALE, MARK, WILTON |