bromized

1.The amount of bromine is about 60～70 percent in bromized polystyrene.

阻燃剂的含溴量60—70%。

2.In this paper, bromized polystyrene flame retardant was synthesized by electrophilic substitution of waste polystrene with bromine using aluminium ehlorid as catalyst.

本文利用三氯化铝作催化剂,废聚苯乙烯与溴发生亲电取反应合成溴化聚苯乙烯阻燃剂。