Process for preparing highly stereoregular polyolefins and...

Details Process for preparing highly stereoregular polyolefins and... Process for preparing highly stereoregular polyolefins and...

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B01J 21/06 (2006.01) C07F 7/07 (2006.01) C08F 4/02 (2006.01) C08F 4/52 (2006.01) C08F 4/64 (2006.01) C08F 4/76 (2006.01) C08F 10/00 (2006.01) C08F 10/04 (2006.01) C08F 110/06 (2006.01) C08F 4/58 (2006.01)

Patent

CA 1046492

ABSTRACT A process for preparing highly stereoregular poly- olefins in the presence of a catalyst which comprises (A) a titanium-containing solid catalyst component composed of an organic complex derived from (i) a magnesium halide (ii) an organo polysiloxane of the formula Q(Q2SiO)n SiQ3, (Q2SiO)n and/or x(Q2siO)nSiQ2X, (iii) an organic carboxylic acid ester, and (iv) a titanium compound of the formula Ti(OR)?x4-? and (B) an organoaluminum catalyst component of the formula R'mAl(OR')3-m .

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