Study on the Application of APP to the AS Resin

APP/MEL and APP/TRE are being applied to AS resin respectively, pore expansion charlayer is formed during the burning. The test result shows that they have effective fire retardant property and fine effect of phosphor nitrogen fire retardant. Their synergism will change as the change of fire retardant amount. The TG analysis shows that AS resin takes part in the charring reaction of the system.