Polymer antioxidants can be added to improve the shelf life of the product or to improve its high-temperature stability. while adding a stability margin during thermal processing. Antioxidant additives can be classified into hindered phenolic, metal deactivates, amine, phosphites, thioesters, and binary blends.
Hindered phenolic antioxidants include 1010, 1024, 1035, 1076, 1098, 1135, 1520, 1726, 1790, 245, 3114, 330, 565, 5057, 697, 702, CPL, amine antioxidant includes 445, 5057, 5067.
Auxiliary antioxidants include 168, 618, 626, DSTDP, DLTDP, and 412s.
Antioxidant blend includes B215, B225, B900, B1171, B2227,etc.