Caged bicyclic phosphate flame retardant, and preparation and use thereof

摘要: The invention relates to a caged bicyclic bisphosphate compound as shown in general formula (I) well preparation method and use thereof flame retardant, belongs the technical field of retardants. contains four pentaerythritol phosphates (PEPA) retardant center, has higher thermostability charring properties. novel coking agent provides new choice for field.