Naugard® 445

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Introduction

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

Naugard® 445

Properties

AppearanceWhite powder or granules
Molecular weight (g/mol)406
Melting Point (℃)98-100
Color – APHA20
Specific Gravity at 55℃1.14
Flash Point (tcc/℃)277

Solubility

Acetone40.8Cyclohexane3.5
Heptane0.7Hexane0.7
MEK41.2Methanol0.7
Toluene32.8WaterInsoluble
g/100ml solvent

Advantages

  1. Excellent synergistic effect with antioxidants
  2. High melting point and good thermal stability
  3. Suitable for polyolefin, styrene, hot melt adhesive and polyamide system

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