| abstract |
A functional organophosphorus compound having a plurality of epoxy groups which is non-hydrolyzable and particularly effective as a reactive flame retardant for epoxy resins, a precursor thereof, and a flame retardant resin composition containing them provide. A novel non-hydrolyzable functional organophosphorus compound represented by the general formula 1 and having a plurality of unsaturated groups or epoxy groups is provided, and a flame retardant resin composition containing the same is provided. provide. {In Formula 1, R 1 is phenyl, 4-cyclohexenylmethyl or 4- (1,2-epoxycyclohexyl) methyl, R 2 and R 3 are 4-cyclohexenylmethyl or 4- (1,2 -Represents an epoxy cyclohexyl) methyl group. } [Selection figure] None |