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单词 coumarone
释义

coumaronen.

Brit. /ˈkuːmərəʊn/, U.S. /ˈkuməˌroʊn/
Forms: Also cumarone.
Etymology: < German cumaron (Fittig & Ebert 1883, in Ann. Chem. Pharm. CCXVI. 168), < coumar- (in coumarin n.) + -one suffix.
Chemistry.
a. A colourless liquid, C8H6O, which may be distilled from coal-tar or synthesized, and which is structurally a benzene ring fused to a furan ring; benzofuran; also, any of the derivatives of this compound.
ΘΚΠ
the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > benzene derivatives > other benzene derivatives
iodoxybenzene1865
retene1866
trimethylbenzene1868
quinol1871
paradichlorobenzene1876
coumarone1883
thiophene1883
antipyrin1884
thiotoluene1885
thioxylene1885
phthalaldehyde1886
trimesic acid1889
iodosobenzene1892
benzodiazepine1934
1883 Jrnl. Chem. Soc. 44 474 Coumarone is a colourless oil, heavier than water.
1910 Encycl. Brit. VII. 309/1 Coumarone, C8H6O,..is a colourless liquid which boils at 171– 172° C. and is readily volatile in steam, but is insoluble in water and in potash solution.
1957 E. H. Rodd Chem. Carbon Compounds IV. iii. 169 Coumarones are obtained from o-hydroxy-ω-halogenoacetophenones.
1963 F. M. Dean Naturally Occurring Oxygen Ring Compounds v. 135 The older name for benzofuran, coumarone, is nearly obsolete.
b. coumarone resin n. any of various thermoplastic resins produced by polymerization of coumarone, usually in mixtures with indene (so coumarone-indene resin), and used esp. in the rubber and varnish industries.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > synthetic resin > specific synthetic resins
coumarone resin1900
novolak1909
glyptal1915
marblette1927
Vinylite1929
polyolefin1930
polysulphone1934
urea resin1937
melamine resin1939
polyurethane1939
polyvinylidene chloride1940
polyvinyl butyral1941
polyimide1945
Teflon1945
Araldite1946
polytetrafluoroethylene1946
epoxy resin1950
urethane1956
Maraglas1962
tartan1964
alkyd1984
1900 Jrnl. Chem. Soc. 78 i. 656 Indene, and Coumarone Resins.
1935 C. Ellis Chem. Synthetic Resins I. vii. 123 Cumarone resin is employed for a variety of purposes, particularly in the manufacture of varnishes, printing inks, waterproofing materials, rubber compositions, floor tiles and chewing gum.
1947 R. L. Wakeman Chem. Commercial Plastics xiii. 287 Patents relating to coumarone-indene resins.
1951 H. M. Langton et al. Synthetic Resins (ed. 3) vii. 272 Coumarone resins are graded mainly by colour and melting point.
1966 J. A. Brydson Plastics Materials xiv. 284 Coumarone resins are used considerably in the paint and varnish industry.
This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2022).
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n.1883
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