| 单词 | ethylene dichloride |
| 释义 | > as lemmasethylene dichloride ethylene dichloride n. a toxic, flammable liquid made by the addition reaction of chlorine and ethylene and used as a synthetic reagent (chiefly to make vinyl chloride for PVC manufacture), and (esp. formerly) in degreasers and paint removers and as an anti-knock agent.Systematic name: 1,2-dichloroethane; C2H4Cl2.In quot. 1862 apparently referring to a compound of ethylene with platinum dichloride. ΚΠ 1862 Proc. Royal Soc. 11 513 The compounds of acetylene with subchloride of copper and other salts..may probably be classed with the group of the ethylene-dichloride of platinum. 1867 W. A. Miller Elements Chem. (ed. 3) III. v. 342 Ethylidene chloride..is isomeric, but not identical with ethylene dichloride. 1881 Athenæum 26 Feb. 303/1 By heating glycol with an excess of fuming hydrochloric acid in a sealed tube to 100°, the author has converted this substance into ethylene dichloride. 1934 C. C. Steele Introd. Plant Biochem. vii. xxvii. 326 The vapours of many chemicals, such as ethylene dichloride, C2H4Cl2, ethylene chlorhydrin, ClCH2·CH2OH, and acetaldehyde, CH2·CHO, break the dormancy of Potato tubers. 2006 P. Sassi Strategies for Sustainable Archit. iii. 115 The manufacture of PVC involves using chlorine, a highly toxic gas, to chlorinate ethylene, an oil-based and therefore scarce material, to produce ethylene dichloride. < as lemmas |
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