[Rh(CH2=CH2)2acac], [Rh(CH2=CH2)2Cl]2, [Rh(1,5-hexadiene)2Cl]2 Complexes and Hybrid System [Rh(1,5-hexadiene)2Cl]2 /PBI which are Catalyticaly Non-active were Activated by Ligand Exchange with Cyclooctatetraene into Highly Active Polym. Catalysts