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  1. Polystyrene - Wikipedia

    Polystyrene (PS) / ˌpɒliˈstaɪriːn / is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene. [5] Polystyrene can be solid or foamed. General-purpose polystyrene is …

  2. Polystyrene | Chemical Compound | Britannica

    Nov 21, 2025 · polystyrene, a hard, stiff, brilliantly transparent synthetic resin produced by the polymerization of styrene. It is widely employed in the food-service industry as rigid trays and …

  3. California banned polystyrene. So why is it still on store shelves ...

    Mar 22, 2025 · The expanded polystyrene ban is part of a single-use plastic law, Senate Bill 54, that Gov. Gavin Newsom signed into law in 2022 but bailed on earlier this month.

  4. Polystyrene (PS): Properties, Uses and Processing - USEON

    Apr 10, 2025 · Polystyrene (PS) is a polymer synthesized through the free radical polymerization of styrene monomers, and it is a colorless, transparent thermoplastic. In the plastic resin …

  5. Polystyrene - an overview | ScienceDirect Topics

    Polystyrene (PS) is a polymer made from the monomer styrene, characterized as a solid thermoplastic at room temperature that can be melted for molding or extrusion.

  6. Polystyrene (PS): Definition, Properties, and Uses | Xometry

    May 21, 2022 · Polystyrene (PS) is a thermoplastic polymer produced through the polymerization of styrene monomers, resulting in a versatile material with broad industrial applications.

  7. Polystyrene: Properties, Uses & Applications Explained

    Jan 1, 2024 · Discover what polystyrene is, its chemical structure, monomer composition, and diverse industrial applications. Learn about its key properties and common uses.

  8. What Is Polystyrene? Its Chemistry, Uses, and Concerns

    Nov 10, 2025 · Polystyrene is a synthetic polymer created through the linking of many individual styrene molecules. As one of the most widely produced plastics globally, it is derived from …

  9. Inside Materials – Polystyrene | Plastics Engineering

    May 22, 2025 · Polystyrene (PS) is a thermoplastic that industries widely recognize for its lightweight nature, durability, and excellent protective properties.

  10. Polystyrene: Definition, Features, Types and Applications

    Polystyrene is a lightweight, durable thermoplastic, widely used in solid and foam forms for insulation, packaging, and product manufacturing due to its affordability and versatility. Its …