d 6 1 2 4 trichlorobenzene about 115 u00b0 c 31 4 methyl branches per 1000 methylene carbons about 12 5 incorporation of norbomenyl group a glass reactor was loaded inside a glove box with l i pr 2 ni u03b7 1 ch 2 ph pme 3 about 20 u03bcmol 2 00 g of 8 77 mm solution in toluene ni cod 2 about 50 u03bcmol 2 50 g of 17 6 mm solution in toluene 5 norbornen 2 yl acetate about 4 50 mmol 3 00 g of 1 30 m solution in toluene and toluene about 18 45 g such that the total volume of the toluene solution was about 30 ml fig1 shows the synthesis the glass reactor was sealed inside the glove box and was attached to a vacuum nitrogen line manifold ethylene was fed continuously into the reactor at about 100 psi and the pressurized reaction mixture was stirred at about 20 u00b0 c ethylene was vented after about 160 minutes and acetone was added to quench the polymerization the precipitated polymer was collected by filtration and dried under high vacuum overnight about 2 298 g of ethylene 5 norbornen 2 yl acetate co polymer was obtained the activity of the catalyst with respect to ethylene consumption was about 23 kg mol u2212 1 h u2212 1 polymer characterization gpc analysis o dichlorobenzene about 135 u00b0 c m w about 1 58 u00d7 10 5 m w m n about.