单词 | vulcanization |
释义 | vulcanizationn. A process for making rubber or similar polymers harder and more durable by treatment with sulphur or sulphur compounds (typically accompanied by heat); the hardening or toughening produced by this process. Also in extended use and figurative.The change in properties results from increased cross-linkage of polymer chains by means of sulphur atoms. ΘΚΠ society > occupation and work > industry > working with specific materials > working with rubber or plastic > [noun] > curing sulphurization1796 vulcanization1846 vulcanizing1846 sulphuration1853 1846 T. Hancock Brit. Patent 11,135 (1856) 2 The same process of obtaining ornamental surfaces by moulds may be resorted to..when caoutchouc, without the process of vulcanization, is employed. 1853 C. Goodyear & R. Haering U.S. Patent 9668 1/2 Articles composed of caoutchouc..and other gums susceptible of vulcanization. 1869 Eng. Mech. 24 Dec. 370/2 The mineral ingredients..are necessarily subject to the action of the sulphur employed to effect the vulcanisation. 1897 Engineering 12 Mar. 355/1 The material is made from vegetable fibre by chemical treatment and vulcanisation, and is then hardened by rolling and pressing. 1907 D. Grant tr. G. Petit Manuf. White Lead & Zinc White Paints i. 3 A good number of such sulphides are injurious to oil, because they induce in it a sort of vulcanisation, which deteriorates it. 1922 B. T. Brooks Chem. Non-benzenoid Hydrocarbons iv. 136 Many mineral substances, such as litharge,..accelerate vulcanization by sulfur. 1964 L. H. Van Vlack Elements Materials Sci. (ed. 2) vii. 171 This second double bond..is necessary for the vulcanization of rubber. 1992 Atlanta Jrnl. & Constit. (Nexis) 20 June l30 Ribs struck me as smoked to the point of vulcanization, but others liked them. 2003 How it works: Sci. & Technol. (ed. 3) XVI. 2220/2 Rubber thread is produced by mixing rubber with special ingredients to obtain a highly elastic sheet after vulcanization. This entry has been updated (OED Third Edition, March 2013; most recently modified version published online December 2021). < n.1846 |
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