Naugard® 445 is a high-efficiency non-discoloring aromatic amine antioxidant, heat stabilizer in various applications, including polyolefins, styrene, polyols, hot-melt adhesives, lubricants and polyamides. Naugard® 445 has excellent performance at processing temperatures and strong synergy with other types of antioxidants such as phenolic resins and phosphites.
Structure
Properties
Appearance
White powder or granules
Molecular weight (g/mol)
406
Melting Point (℃)
98-100
Color – APHA
20
Specific Gravity at 55℃
1.14
Flash Point (tcc/℃)
277
Solubility
Acetone
40.8
Cyclohexane
3.5
Heptane
0.7
Hexane
0.7
MEK
41.2
Methanol
0.7
Toluene
32.8
Water
Insoluble
g/100ml solvent
Advantages
Excellent synergistic effect with antioxidants.
High melting point and good thermal stability.
Suitable for polyolefin, styrene, hot melt adhesive and polyamide system.
