Patent ID: 8063245

Claim:
A phosphazene compound, obtained by reacting a phenoxyphosphazene compound (A-1) having a phenolic hydroxyl group and/or a cross-linked phenoxyphosphazene compound (A-2) obtained by cross-linking the phenoxyphosphazene compound (A-1) with an epoxy compound (B) having an unsaturated double bond, wherein the phosphazene compound has an unsaturated double bond and a phenolic hydroxyl group in its molecule; and the epoxy compound (B) is at least one epoxy compound selected from the group consisting of glycidylmethacrylate, glycidylacrylate, allylglycidylether, glycidylvinylether, and a compound represented by the following formula (10) wherein r represents an integer ranging from 0 to 40, and R 8 represents H or a methyl group.