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    Antioxidant products can prevent polymers from undergoing chemical reactions or degradation during processing due to heat, shear stress, or exposure to other harsh processing environments. These reactions or degradation can lead to changes in the chemical composition or molecular weight of the product. Additionally, it can result in the deterioration of mechanical properties and affect the appearance, causing changes in the color of the polymer or a reduction in glossiness.

    Antioxidants are products added to polymers during processing to protect the polymer's structure and prevent discoloration.

     

    Phenolic Antioxidants 

    Phenolic Antioxidants  Chemical structure Type Molecular Weight Melting point ℃ TGA
    (°C, % weight loss)
    Applications
     Naugard® 445

    Powder/
    Granular

    406

    98-100

    305 10%

    346 50%

    Used as heat stabilizers in various applications including polyolefins, styrenics, hot melt adhesives, and polyamides.
     Octamine®

    Powder/
    Flake

    393

    90-97

    Solid amine antioxidants that minimize discoloration effects while providing maximum protection.
     Naugard® Q

    Granule

    874

    120-125

    297 10%

    465 50%

    Effective processing and long-term heat stabilizers, particularly effective in carbon black-filled polymer systems.
     Genox® EP

    Powder

    613

    85-105

    High-performance melt processing stabilizers with excellent resistance to gas fading.

     

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