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  • What are plastic additives?
  • Plastic/polymer additives are chemical substances added during the plastic production process to improve the characteristics of the plastic in terms of performance, processability, and appearance. Common plastic additives include plasticizers, stabilizers, antioxidants, UV absorbers, fillers, and more.
  • What are UV-resistant additives for plastics?
  • Common UV-resistant additives for plastics: ① Absorbing UV Additives: These additives can absorb ultraviolet light and convert it into heat energy, thereby preventing the oxidative reaction of UV light on plastics. Common absorbing UV additives include phenols, benzophenones, and benzimidazoles.
  • What are plastic defoaming agents?
  • Plastic defoaming agents, also known as plastic drying agents or plastic defoaming masterbatches. These masterbatches not only remove moisture from plastic formulations but also enhance the density and smoothness of the final products, thereby improving their physical and mechanical properties.
  • Which antioxidants are used in the plastics industry?
  • Antioxidants used in the plastics industry can be classified according to their functions: ① Oxidation Chain Reaction Inhibitors: Examples include alkyl phenols, such as butylated hydroxytoluene (BHT), aromatic amines, phenyl-B-naphthylamine, alkyl quinone, alkylidene bisphenol, alkyl phenol-thioether, and phenyl salicylate.