单词 | synthetic resin |
释义 | > as lemmassynthetic resin 2. Any substance with properties resembling those of natural resin, obtained by the chemical treatment of a natural product or by chemical synthesis. In later use chiefly: any of a large and varied class of synthetic organic polymeric materials (solid or liquid) that are thermosetting or thermoplastic and are used esp. as plastics, adhesives, or varnishes (or their chief ingredients), or as media for ion exchange; also more fully synthetic resin. Also as a mass noun: material of this kind.acrylic, alkyd, epoxy, melamine, polyester resin, etc.: see the first element. ΘΚΠ society > occupation and work > materials > derived or manufactured material > processed resinous materials > [noun] > resinous precipitate or extract resin1681 magistery1712 laccin1820 subresin1824 tall oil1909 society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > synthetic resin resin1681 resinoid1924 1681 Table of Hard Words in S. Pordage tr. T. Willis Remaining Med. Wks. Resine, a chymical extraction of several druggs so called, being in substance like to rosine or resine. 1712 J. Browne tr. P. Pomet et al. Compl. Hist. Druggs I. 29/1 The Resin or Magistery of Jalap is made with Spirit of Wine. 1806 W. Henry Epitome Chem. (ed. 4) i. xxi. 300 The properties of animal resins have not been fully investigated. 1883 Amer. Chem. Jrnl. 5 338 Concentrated sulphuric acid on a mixture of benzoic aldehyde and resorcin gave a reddish resin. 1909 Chem. Abstr. 3 1818 Process of manufacturing synthetic resins as substitutes for shellac, consisting in treating o-cresol with formaldehyde in the presence of an acid. 1943 Industr. & Engin. Chem. Aug. 858 (heading) Ion exchange resins. New tools for process industries. 1976 McGraw-Hill Yearbk. Sci. & Technol. 182/1 Probably the cheapest resin to use for plastic bottles is polystyrene. 2002 Outdoor Life Feb. 48/2 Vinylester is more flexible than other resins and is therefore less prone to cracking after long use. 2007 New Yorker 2 July 14/1 A hyperrealist sculpture made from resin, polystyrene, and fibreboard. < as lemmas |
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