Chinese Science Bulletin
Volume 47, Number 10, 810-813, DOI: 10.1360/02tb9182

Notes

The effect of co-catalysts on the morphology of isotactic polypropene prepared using metallocene catalyst

Mingge Zhang, Demin Xu, Han Hong, Cunyue Guo and Youliang Hu

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Abstract

SiO2/rac-Me2Si[2-Me-4-Naph-Ind]2ZrCl2 was prepared and different co-catalysts were used in bulk polymerization of propene. The morphology of polypropene could be controlled by altering the co-catalysts. The isotactic polypropene with good morphology and high bulk density were prepared. The formation mechanism of active centers was proposed, by which the effect of co-catalysts on the morphology of polypeopene was analyzed.

Keywords  metallocene - co-catalyst - supporting - morphology of polypropene

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