单词 | petrolene |
释义 | petrolenen. Chemistry. The oily volatile component of asphalt, originally considered to consist of a single hydrocarbon and later discovered to be a mixture of compounds; any of a variety of compounds present in this mixture. Cf. asphaltene n. ΘΚΠ the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > other hydrocarbons marsh butterc1450 asphaltene1837 petrolene1837 retinol1837 melene1848 butene1851 peucyl1857 nicotyl1860 bog-butter1863 melissene1867 bitumene1868 tolene1868 valylene1868 thallene1872 melissylene1884 allylene1889 dicyclopentadiene1904 kerogen1906 perylene1910 oestrane1933 dodecahedrane1964 prismane1964 1837 Edinb. New Philos. Jrnl. 22 78 As this carburetted hydrogen appears to constitute the principal liquid of bitumens, the author designates it by the appellation Petroline. 1838 T. Thomson Chem. Org. Bodies 721 This name has been given by M. Boussingault to a substance which he extracted from the bitumen of Bechelbronn... Petrolene, thus obtained, has a pale yellow colour, little taste, but a bituminous odour. 1894 Jrnl. Amer. Chem. Soc. 16 810 Petrolene is nothing but a name that covers a great variety of substances. 1902 Science 22 Aug. 290/2 The limits of the proportion of petrolene to asphaltene in asphalts intended for paving purposes. 1913 G. A. Hool Reinforced Concrete Constr. II. xix. 516 Crude oil or petroline is used..and preserves the forms against damage by alternate wetting and drying. 1931 Industr. & Engin. Chem. 23 679/1 The generally accepted classification of the components in asphalt includes petrolenes extractable with petroleum ether (hexane), asphaltenes extractable with carbon tetrachloride, and carbenes extractable after above operations in cold carbon bisulfide. 1989 Chem. & Industry (Nexis) 19 June 384 Crude oil spillage forms an emulsion due to wave action. This emulsion..is stabilised by asphaltenes and/or petrolenes in the crude. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1837 |
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