A bromine capped polystyrene (PS-Br) with an M n of around 5,000 was synthesized by using Cu(phen)-2Br/1-PEBr as catalyst and initiator to polymerize styrene (St) according to atom transfer radical polymerization (ATRP) mechanism.

• 用Cu(phen) 2 Br/1 PEBr催化引发体系合成了分子量为 50 0 0左右的溴端基聚苯乙烯 (PS Br) .