%0 Conference Proceedings %T Synthesis of Ziglere-Natta / Metallocene Hybride Catalysts:Investigation of the effect of different parameters on the amount of Metallocene loading using Response Surface Method %A G. R. Nejabat %A M. Nekoomanesh %A H. Arabi %A H. Salehi %A Zohuri, Gholamhossein %A M. Omidvar %A S. Ahmadjoo %J 8th International Colloquium on Heterogeneous Ziegler-Natta Catalyst %D 2012