Disclosed are novel, halogen-free flame-retardants derived from 9,10-Dihydro-9-Oxa-10-Phosphaphenantrene-10-oxide (DOPO) of the structure below: This invention also relates to the use of the halogen free DOPO derived compositions as flame-retardants in polymers, and a process of preparing the above compounds by reacting a formula A compound with a formula B compound:
本发明涉及从下面结构的9,10-二氢-9-氧-10-
磷杂
菲-10-氧化物(
DOPO)衍生的新型无卤素阻燃剂:该发明还涉及将无卤素
DOPO衍生组合物用作聚合物中的阻燃剂,并通过将式A化合物与式B化合物反应制备上述化合物的方法。