Define diastereomer: a stereoisomer of a compound having two or more chiral centers that is not a mirror image of another stereoisomer of the sameâ¦ a stereoisomer of a compound having two or more chiral centers that is not a mirror image of another stereoisomer of the same compoundâ¦ See the full definition
exists and is an alternate of . Noncrystalline thermoplastic that can come in many colours, weather and shatter resistant. Acrylic plastic refers to a family of synthetic, or man-made, plastic materials containing one or more derivatives of acrylic acid. The most common acrylic plastic is polymethyl methacrylate (PMMA), which is sold under the brand names of Plexiglas, Lucite, Perspex, and Crystallite.
There are two main types of plastics â. Thermoplastics which are softened by heat and can be moulded. (Injection moulded, blow moulded or vacuum formed). Good examples are acrylic, polypropylene, polystyrene, polythene and PVC. Thermosets which are formed by ha heat process but are then set (like concrete) and cannot change shape by reheating. Good examples are melamine (kitchen worktops), Bakelite (black saucepan handles), polyester and epoxy resins.