unsaturated polystyrene

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• industrial polymers, major — Introduction       chemical compounds used in the manufacture of synthetic industrial materials.       In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …   Universalium

• hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… …   Universalium

• plastic — plastically, plasticly, adv. /plas tik/, n. 1. Often, plastics. any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives,… …   Universalium

• elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …   Universalium

• petrochemical — /pe troh kem i keuhl/, n. 1. a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum. adj. 2. of or pertaining to petrochemistry or a petrochemical. [1910 15; PETRO 2 + CHEMICAL] * * * Strictly, any of a… …   Universalium

• petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

• Polyester — For the 1981 motion picture, see Polyester (film). SEM picture of a bend in a high surface area polyester fiber with a seven lobed cross section …   Wikipedia

• Ethylene — Ethylene …   Wikipedia

• Liste des codes des polymères — La liste des codes des polymères (à ne pas confondre avec le code d identification des résines pour leur tri et recyclage, norme DIN 6120 1 et DIN 6120 2) est établie à partir des codes des plastiques (thermoplastiques et thermodurcissables)… …   Wikipédia en Français

• chemical industry — Introduction       complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives.       Although the chemical industry may be described simply as the industry that uses chemistry and… …   Universalium

• surface coating — ▪ chemistry Introduction       any mixture of film forming materials plus pigments, solvents, and other additives, which, when applied to a surface and cured or dried, yields a thin film that is functional and often decorative. Surface coatings… …   Universalium