Polystyrene (PS) /ˌpɒliˈstaɪriːn/ is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene. Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard, and brittle. It is an inexpensive resin per unit weight. It is a poor barrier to oxygen and water vapour and has a relatively low … See more Polystyrene was discovered in 1839 by Eduard Simon, an apothecary from Berlin. From storax, the resin of the Oriental sweetgum tree Liquidambar orientalis, he distilled an oily substance, that he named styrol, now called See more Polystyrene is relatively chemically inert. While it is waterproof and resistant to breakdown by many acids and bases, it is easily attacked by many organic solvents (e.g. it dissolves quickly when exposed to acetone), chlorinated solvents, and aromatic … See more Production Polystyrene foams are produced using blowing agents that form bubbles and expand the foam. In expanded polystyrene, these are usually hydrocarbons such as pentane, which may pose a flammability hazard in … See more In chemical terms, polystyrene is a long chain hydrocarbon wherein alternating carbon centers are attached to phenyl groups (a derivative of benzene). Polystyrene's chemical formula is (C 8H 8) n; it contains the chemical elements carbon and See more Polystyrene is commonly injection molded, vacuum formed, or extruded, while expanded polystyrene is either extruded or molded in a special … See more Ordinary (homopolymeric) polystyrene has an excellent property profile about transparency, surface quality and stiffness. Its range of applications is further extended by See more Health The American Chemistry Council, formerly known as the Chemical Manufacturers' Association, writes: Based on scientific … See more WebMar 1, 2024 · The chemical structure of polystyrene gives it unique physical and mechanical properties, such as transparency, rigidity, and lightweight. The molecular weight of polystyrene can vary from a few thousand to several hundred thousand, depending on the production process.
Polystyrene (C8H8)n - Properties, Structure, Molecular …
WebMay 30, 2024 · Polystyrene (PS) PS is a thermoplastic, further classified as a styrenic plastic. It has a moderately low density and can have a moderately low tensile strength … WebApr 13, 2024 · Compared with other solid lubricants, polymer materials such as polystyrene microspheres (PS) have significant advantages, such as good toughness, not damaging the dual material, good chemical stability and not reacting with other materials [7,8]. However, PS bearing capacity and high-temperature resistance are poor, with easily softened ... think tube demonstration
Thermoplastic Elastomer: Types, Uses & Properties of TPE Material
WebMay 21, 2024 · Polystyrene, also known as poly-phenylethene, is a polymer made up of repeating molecules called styrene. It is a thermoplastic polymer, meaning it softens and … WebJul 30, 2024 · Polystyrene foams are used for a variety of applications because of its excellent set of properties including good thermal insulation, good damping properties and being extremely light weight. From being … WebAcrylonitrile butadiene styrene (ABS) (chemical formula (C 8 H 8) x · (C 4 H 6) y · (C 3 H 3 N) z) is a common thermoplastic polymer. Its glass transition temperature is approximately 105 °C (221 °F). ABS is amorphous and therefore has no true melting point.. ABS is a terpolymer made by polymerizing styrene and acrylonitrile in the presence of polybutadiene.The … think turf