单词 | polystyrene |
释义 | polystyrenen. A polymer of styrene, esp. a hard thermoplastic resin; (also) any of various plastics made from or containing this, widely used as lightweight rigid foams, moulding materials, and films. Frequently attributive, designating such a material, or objects and articles made from it. ΘΚΠ the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > thermoplastic resins > polystyrene polystyrol1873 polystyrene1927 styrene1938 styrene plastic1943 society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > plastic > capable of hardening after heating or (re)shaping > types of polystyrol1873 polyoxymethylene1908 polystyrene1927 polyvinyl chloride1930 polyacetal1931 polyformal1935 polypropylene1935 PVC1941 polyacrylic1959 phenoxy1962 polyallomer1962 ionomer1964 parylene1965 polypro1986 1927 G. S. Whitby in India-Rubber Jrnl. 16 Apr. 16/2 Poly-styrene becomes markedly elastic when warmed or swollen. 1939 Nature 13 May 787/2 The vinyl and polystyrene resins have valuable properties some of which are not possessed by the other resinoids. 1947 J. H. Collins in P. I. Smith Pract. Plastics vii. 93/2 Brittleness is a defect in polystyrene which affects the moulding and machining of the polymer. 1959 Economist 7 Mar. 895/2 The present output of polystyrene is about 28,000 tons a year, divided between Shell, Distillers and Monsanto. 1961 Wall St. Jrnl. 9 June 20/3 Koppers Co. is displaying a complete 12-foot sailboat made of polystyrene foam. 1970 N. Saunders Alternative London 18 Sack chairs..consist of a chair-shaped bag three-quarters full of expanded polystyrene granules. 1986 E. Hall in A. Limon et al. Home Owner Man. (ed. 2) iii. xii. 505 Expanded polystyrene is used in plumbing as an extremely valuable lagging material. 2002 N. Lebrecht Song of Names i. 13 Tawburn Station is where I stand, amid the usual debris of empty crisp packets and polystyrene cups. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < |
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