Brominated SBS, also known as Brominated styrene/butadiene block copolymer. It is a kind of high-molecular brominated flame retardant prepared by bromination of styrene-butadiene block copolymer (SBS), featuring high molecular weight, no frosting, high thermal stability, good migration resistance and environmental friendliness. Its structure is similar to that of polystyrene to a certain extent, and thus it has good compatibility with polystyrene. Among organic insulation materials, XPS boards and EPS boards hold significant positions, while halogen-based flame retardants, inorganic flame retardants, and phosphorus-based flame retardants are indispensable additive components in these materials. Among them, halogen-based flame retardants are highly regarded for their high efficiency, especially organic bromides, which are the best among them. However, the commonly used HBCD in the past was limited due to its potential harm to the environment and organisms. Brominated SBS has gradually emerged as a highly regarded alternative. It belongs to the category of macromolecular brominated flame retardants, which are highly compatible with high-molecular materials such as polystyrene and are harmless to the environment and living organisms. Therefore, it has unique advantages in the application of polystyrene insulation materials.
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