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Neutral nickel s-acetylide complex [Ni(CCPh)2(PBu3)2] is a novel initiator for the polymerization of styrene in CHCl3 over a range of polymerization temperature from 40C to 60C. The polystyrene obtained was a syndio-rich atactic polymer and its weight-average molecular weight reached 279000. The mechanism of the polymerization was discussed and a radical mechanism was proposed.
The polystyrene obtained was a novel initiator for the polymerization of styrene in CHCl3 over a range of polymerization temperature from 40C to 60C. The polystyrene obtained was a syndio-rich atactic polymer and its weight-average molecular weight reached 279000. The mechanism of the polymerization was discussed and a radical mechanism was proposed.