该聚苯乙烯与烷基卤化物、烷基卤化铝、脱水剂混合，用溴素溴化得到窄分布低分子量溴化聚苯乙烯。
The polystyrene is mixed with alkyl halide, alkyl aluminium halide, dehydrant, brominated by bromine to get narrow distributed brominated polystyrene with low molecular weight.
该聚苯乙烯与烷基卤化物、烷基卤化铝、脱水剂混合，用溴素溴化得到窄分布低分子量溴化聚苯乙烯。
The polystyrene is mixed with alkyl halide, alkyl aluminium halide, dehydrant, brominated by bromine to get narrow distributed brominated polystyrene with low molecular weight.
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