New 8-(2-benzhydrylnaphthylimino)-5,6,7-trihydroquinolylnickel halides.
All nickel precatalysts exhibited high activities toward ethylene polymerization.
Polyethylenes obtained contain tail peaks in the high molecular weight portion.
Polyethylenes with low molecular weights.
Polyethylenes potentially useful as lubricants and pour-point depressants.