Cyanato Group-Containing Cyclic Phosphazene Compound and Method for Producing The Same
申请人:Tada Yuji
公开号:US20090170983A1
公开(公告)日:2009-07-02
A phosphazene compound, which can effectively enhance flame retardancy without deteriorating mechanical properties of a resin molded product, and is also less likely to deteriorate thermal reliability and dielectric properties, is represented by the formula (1) shown below. n represents an integer of 3 to 15.
wherein A represents a group selected from the group consisting of an alkoxy group, an aryloxy group and a group having a cyanato group, and at least one is a group having a cyanato group, and an example of A is a cyanatophenyl-substituted phenyloxy group represented by the formula (4) shown below, and Y in the formula (4) represents O, S, SO
2
, CH
2
, CHCH
3
, C(CH
3
)
2
, C(CF
3
)
2
, C(CH
3
)CH
2
CH
3
or CO.