Effect of new type antioxidant 4070 on properties of NR compound

The effect of the antioxidant 4070 on the properties of NR compound was investigated and compared to those of antioxidants 4020 and 3100.The results showed that a NR compound with the highest curing rate was obtained by using 4070/RD,its vulcanizate possessed the excellent flex cracking resistance,thermal aging property,fatigue resistance and hot water extraction resistance,and the comparable light aging property to those by using 4020/RD or 3100/RD.