| 单词 |
fluorocarbon |
| 释义 |
fluorocarbon Chem.|ˌfluːərəʊˈkɑːbən|
[f. fluoro- + carbon, after hydrocarbon.]
Any of a large class of synthetic, chemically stable compounds of carbon and fluorine analogous to the hydrocarbons (see also quot. 1962).
1937Jrnl. Amer. Chem. Soc. LIX. 1407/1 From a reaction mixture of carbon and fluorine..fluorocarbons have been isolated. 1950J. H. Simons Fluorine Chem. I. xii. 402 Substances made from or protected by fluoro⁓carbons are free from decay and insect damage. 1951Sci. News Letter 15 Sept. 165 The relatively new chemicals known as fluorocarbons when used as a cooling spray greatly increase the efficiency of electrical transformers. 1959Times 27 Apr. (Rubber Industry Suppl.) p. vi/7 The newer fluoro-carbon polymers have valuable properties in heat and fluid resistance. 1962A. J. Rudge Manuf. Fluorine vii. 57 In the technical literature there has developed a tendency to use the term ‘fluorocarbon’ to include compounds containing elements additional to carbon and fluorine, e.g. CF2Cl2. This practice is confusing and is to be deprecated. 1964R. E. Banks Fluorocarbons v. 136 Like their aliphatic relatives, aromatic fluorocarbons are colourless. 1966New Scientist 24 Nov. 456/2 Fluorocarbons such as polytetrafluoroethylene (PTFE) and related polymers. |
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