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  • Why do rubber antioxidants degrade over time, and how to enhance their longevity?

    2025-06-05 16:47:12
    Rubber is a widely used material in various industries due to its elasticity, durability, and versatility. However, rubber is susceptible to degradation over time due to environmental factors such as heat, oxygen, ozone, and UV radiation. To mitigate this degradation, antioxidants are added to rubber formulations. Antioxidants are chemical compounds that inhibit the oxidation process, thereby extending the life of rubber products. Despite their effectiveness, antioxidants themselves can degrade over time, reducing their protective capabilities. This article explores the reasons behind the degradation of rubber antioxidants and discusses strategies to enhance their longevity.
  • What key factors influence the selection of rubber antioxidants for specific applications?

    2025-05-28 19:24:24
    The selection of rubber antioxidants is a critical aspect of material engineering, as it directly impacts the performance, durability, and lifespan of rubber products in various applications. Rubber, being a polymer, is susceptible to degradation due to environmental factors such as heat, oxygen, ozone, and UV radiation. Antioxidants are added to rubber formulations to mitigate these degradation processes and enhance the material's resistance to aging. The choice of antioxidants depends on several key factors, which are discussed below.
  • How do rubber antioxidants differentially protect against thermal vs. Oxidative degradation?

    2025-05-21 19:22:31
    Rubber antioxidants play a crucial role in extending the service life of rubber materials by protecting them against degradation mechanisms, particularly thermal and oxidative degradation. These two types of degradation are distinct in their causes and effects, and as a result, rubber antioxidants are designed to function differently to address each specific threat. Understanding how antioxidants differentially protect rubber against thermal and oxidative degradation requires an exploration of the mechanisms involved, the types of antioxidants used, and their specific roles in mitigating these degradation processes.
  • How can the dispersion of rubber antioxidants in matrix be improved?

    2025-05-14 15:38:41
    In the realm of rubber manufacturing, the dispersion of rubber antioxidants within the matrix is a critical factor that significantly impacts the performance and lifespan of rubber products. Adequate dispersion ensures that antioxidants can effectively protect rubber materials from oxidative degradation, ozone attack, and thermal aging.
  • What are the key mechanisms of rubber antioxidants?

    2025-05-07 09:33:21
    Rubber antioxidants play a crucial role in preventing the degradation of rubber materials. The key mechanisms through which they function include free radical scavenging, peroxide decomposition, and metal ion deactivation. Here is a detailed exploration of these mechanisms:
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