Method for preparing a spray-dried composition for use as a polymerization catalyst

   
   

A method of making a spray-dried composition using a solution or mixture comprising the reaction product of a magnesium halide, a solvent, an electron donor compound, and a transition metal compound and an inert filler comprising substantially spherical particles having an average particle size ranging from 1 .mu.m to about 12 .mu.m.

Метод делать spray-dried состав использующ разрешение или смесь состоя из продукта реакции галоида магния, растворителя, смеси электрона donor, и смеси металла перехода и инертного заполнителя состоя из существенн сферически частиц имея средний размер частицы заколебаться от 1 mu.m к mu.m около 12.

 
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