brominated

In this paper,W amino polyoxyalkylene were synthesized by two steps.In the first step,polyoxyalkylene were brominated.In the second,the brominated polyoxyalkylene were aminated.

本文用聚乙二醇，再氨化二步法，了胺基单取聚乙二醇衍生物。

There are currently no exemptions for these brominates flame retardants except Deca-BDE. And Deca-BDE is under consideration by European Commission.

除了联苯醚以外无豁免，联苯醚正在重新评估之中。

It presented the synthetic methods as well as experiment results of brominated or chlorinated propyl antimonites and its intermediate propenyl anti-monite.

介绍了（氯）丙基亚锑酸酯及其中间体烯丙基亚锑酸酯方法及应用试验结果。