An object of the present invention is to provide a mixture of cyclophosphazenes suitably substituted with phenoxy having a polymerizable functional group, such as allyl, on the phenyl ring and a production method for the mixture. The invention relates to a mixture of cyclophosphazene compounds that each contain a plurality of constituent units linked to each other, each constituent unit being represented by formula (I):
wherein R
1
and R
2
are identical or different and represent C
1-4
alkyl or the like, the mixture containing cyclophosphazene compounds in which 3, 4, and 5 constituent units represented by formula (I) are linked, wherein the cyclophosphazene compound containing 3 linked constituent units is cyclophosphazene compound (I-A) with a specific structure, compound (I-A) includes cyclophosphazene compounds (I-A
2
) and (I-A
3
) having a specific structure, and compounds (I-A
2
) and (I-A
3
) are present in an amount of 80 wt % or more in total in cyclophosphazene compound (I-A).
                            本发明的目的是提供一种含有聚合功能基(例如烯丙基)的苯氧基适当取代的环
磷氮烷混合物及其生产方法。本发明涉及一种环
磷氮烷化合物混合物,每种化合物均包含多个相互连接的组分单元,每个组分单元由式(I)表示:其中R1和R2相同或不同,表示C1-4烷基或类似物,所述混合物含有由式(I)所表示的3、4和5个组分单元相互连接的环
磷氮烷化合物,其中含有3个连接的组分单元的环
磷氮烷化合物是具有特定结构的环
磷氮烷化合物(I-A),化合物(I-A)包括具有特定结构的环
磷氮烷化合物(I-A2)和(I-A3),其中化合物(I-A2)和(I-A3)在环
磷氮烷化合物(I-A)中总量为80重量%或更多。