Dragonox®-1222 is a phosphorus-containing hindered phenol antioxidant with good extraction resistance. Particularly suitable for polyester anti-aging. It is usually added before polycondensation because it is a catalyst for polyester polycondensation. It can also be used as a light stabilizer for polyamides and has anti-oxidant effect. Synergistic effect with UV absorber. The general dosage is 0.3-1.0 parts. The product can also be used as a stabilizer for dimethyl terephthalate in storage and transportation.
Appearance | White powder | |
Melting range | 119-124ºC | |
Volatile | ≤0.5% | |
Ash | ≤0.1% | |
Assay | ≥99.0% |