Sixteen DOPO derivatives FR1–FR16 were successfully synthesized. The DOPO derivatives and APP-PEI showed a synergistic effect on the flame retardancy of epoxy. The epoxy composites displayed high fire resistance and good mechanical property.
Sixteen DOPO derivatives FR1–FR16 were successfully synthesized. The DOPO derivatives and APP-PEI showed a synergistic effect on the flame retardancy of epoxy. The epoxy composites displayed high fire resistance and good mechanical property.