urethanen.

Brit.

/ˈjʊərᵻθeɪn/,

/ˈjɔːrᵻθeɪn/, U.S.

/ˈjʊrəˌθeɪn/

Forms: Also urethan.

Etymology: < French uréthane: see ur- (in urea n.) and ethane n.; coined by J. B. A. Dumas 1833, in Ann. d. Chim. et Physique LIV. 236.

Chemistry.

a. Ethyl carbamate; valued as an anaesthetic.

ΘΚΠ

the world > health and disease > healing > medicines or physic > medicines for specific purpose > anaesthetic > [noun] > general > specific drugs

common ether1675

laughing gas1819

chloral1838

chloroform1838

urethane1838

ether1847

letheon1847

kerosolene1861

gas1868

pental1891

tubocurarine1898

chloretone1899

hedonal1900

Avertin1927

Evipan1932

Pentothal1935

Trilene1935

hexobarbitone sodium1941

hexobarbitone soluble1941

thiopentone1945

thiopental sodium1947

fluothane1955

halothane1957

methohexital sodium1958

phencyclidine1959

methohexitone1961

hexobarbitone1962

propanidid1964

etorphine1966

enflurane1971

sodium methohexital1978

1838 T. Thomson Chem. Org. Bodies 600 The specific gravity of the vapour of urethan.

1844 G. Fownes Man. Elem. Chem. 386 Urethane is a white, solid, crystallizable body, fusible below 212°.

1885 Lancet 19 Dec. 1167/2 He had slept comfortably by the aid of urethan.

b. Any ester of carbamic acid; (by extension) any compound which includes the group NH·CO·O in the molecule.

ΘΚΠ

the world > matter > chemistry > organic chemistry > salts, esters or anions of organic acids > [noun]

hydrochloride1823

isethionates1838

citraconate1840

adipate1841

anthranilate1841

stearate1841

itaconic acid1842

salicylate1842

oenanthate1845

ammelide1846

pelargonate1848

pelargyl1851

melanuric acid1852

methylate1852

opianyl1852

abietate1853

maleate1853

fulminuric1856

glyoxylate1856

urethane1856

indican1859

oxalyl1859

malonate1862

methacrylate1865

amylate1866

acetoacetate1873

isobutyrate1873

glutamate1876

hydrobromide1877

nicotinate1879

isovalerate1882

calcium gluconate1884

methoxide1885

isophthalate1886

homogentisate1891

naphthenate1899

peracetate1901

iodoacetate1902

glucuronate1904

hydnocarpate1905

thiomalate1905

azide1907

phytate1908

linolenate1909

isocitrate1925

phenylpyruvate1926

monosodium glutamate1929

perester1933

phosphonate1934

polymethacrylate1935

pantothenate1938

phosphoenolpyruvate1941

nylon salt1945

pantoate1945

penicilloate1946

thymidylate1959

chorismate1965

nonanoate1965

neuraminate1970

the world > matter > chemistry > organic chemistry > esters > [noun] > named

oxalic ether1788

margarate1819

acrylate1843

urethane1856

tropeine1880

malonic ester1881

heavy oil of wine1882

phosphatide1884

ethanoate1892

imino-ester1897

acetylcholine1906

phaeophytin1907

phytic acid1908

propiolactone1917

silicon ester1923

methyl methacrylate1933

Tylose1934

testosterone propionate1937

filicin1941

trichothecin1948

siphonein1949

acetyl coenzyme A1950

acetyl CoA1951

1856 Jrnl. Chem. Soc. 8 276 Butylic urethane..forms beautiful nacreous scales.

1876 Encycl. Brit. V. 578/1 The neutral ethereal salts of carbamic acid are known as urethanes.

1926 Jrnl. Amer. Chem. Soc. 48 2176 It was decided..to prepare the mono- and dicarbethoxy-guanidines... The compounds may be regarded as urethans.

1954 C. H. Fisher et al. in G. S. Whitby Synthetic Rubber xxv. 926 The diisocyanate reacts with the terminal hydroxyls of the polyester, forming urethane linkages.

1968 R. O. C. Norman Princ. Org. Synthesis xiv. 447 The isocyanate is converted into an amine or a urethane.

1976 A. L. Ternay Contemporary Org. Chem. xxii. 688 Urethanes have high melting points, making them useful as derivatives of phenols.

2. = polyurethane v.; also attributive and figurative.

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

1956 Industr. & Engin. Chem. May 930/1 Processing studies of Adiprene B urethane rubber have resulted in an understanding of a number of the factors required for processability.

1969 Jane's Freight Containers 1968–9 463/2 Construction: Aluminium extrusion and sheet,..urethane foam, laminated wood.

1971 Cabinet Maker & Retail Furnisher 1 Oct. 14/2 Children's stools made of ICI's new solid urethane plastic are being supplied to infant and primary schools.

1976 A. Cassorla Skateboarder's Bible 9 The past can be shrouded by the translucent urethane gauze of the present.

1979 Arizona Daily Star 8 Apr. a3/3 (advt.) Madly flattering sandals of soft kid urethane, with flexible, easy going soles.

This entry has not yet been fully updated (first published 1926; most recently modified version published online December 2021).

单词	urethane
释义	urethanen. Brit. /ˈjʊərᵻθeɪn/, /ˈjɔːrᵻθeɪn/, U.S. /ˈjʊrəˌθeɪn/ Forms: Also urethan. Etymology: < French uréthane: see ur- (in urea n.) and ethane n.; coined by J. B. A. Dumas 1833, in Ann. d. Chim. et Physique LIV. 236. Chemistry. 1. a. Ethyl carbamate; valued as an anaesthetic. ΘΚΠ the world > health and disease > healing > medicines or physic > medicines for specific purpose > anaesthetic > [noun] > general > specific drugs common ether1675 laughing gas1819 chloral1838 chloroform1838 urethane1838 ether1847 letheon1847 kerosolene1861 gas1868 pental1891 tubocurarine1898 chloretone1899 hedonal1900 Avertin1927 Evipan1932 Pentothal1935 Trilene1935 hexobarbitone sodium1941 hexobarbitone soluble1941 thiopentone1945 thiopental sodium1947 fluothane1955 halothane1957 methohexital sodium1958 phencyclidine1959 methohexitone1961 hexobarbitone1962 propanidid1964 etorphine1966 enflurane1971 sodium methohexital1978 1838 T. Thomson Chem. Org. Bodies 600 The specific gravity of the vapour of urethan. 1844 G. Fownes Man. Elem. Chem. 386 Urethane is a white, solid, crystallizable body, fusible below 212°. 1885 Lancet 19 Dec. 1167/2 He had slept comfortably by the aid of urethan. b. Any ester of carbamic acid; (by extension) any compound which includes the group NH·CO·O in the molecule. ΘΚΠ the world > matter > chemistry > organic chemistry > salts, esters or anions of organic acids > [noun] hydrochloride1823 isethionates1838 citraconate1840 adipate1841 anthranilate1841 stearate1841 itaconic acid1842 salicylate1842 oenanthate1845 ammelide1846 pelargonate1848 pelargyl1851 melanuric acid1852 methylate1852 opianyl1852 abietate1853 maleate1853 fulminuric1856 glyoxylate1856 urethane1856 indican1859 oxalyl1859 malonate1862 methacrylate1865 amylate1866 acetoacetate1873 isobutyrate1873 glutamate1876 hydrobromide1877 nicotinate1879 isovalerate1882 calcium gluconate1884 methoxide1885 isophthalate1886 homogentisate1891 naphthenate1899 peracetate1901 iodoacetate1902 glucuronate1904 hydnocarpate1905 thiomalate1905 azide1907 phytate1908 linolenate1909 isocitrate1925 phenylpyruvate1926 monosodium glutamate1929 perester1933 phosphonate1934 polymethacrylate1935 pantothenate1938 phosphoenolpyruvate1941 nylon salt1945 pantoate1945 penicilloate1946 thymidylate1959 chorismate1965 nonanoate1965 neuraminate1970 the world > matter > chemistry > organic chemistry > esters > [noun] > named oxalic ether1788 margarate1819 acrylate1843 urethane1856 tropeine1880 malonic ester1881 heavy oil of wine1882 phosphatide1884 ethanoate1892 imino-ester1897 acetylcholine1906 phaeophytin1907 phytic acid1908 propiolactone1917 silicon ester1923 methyl methacrylate1933 Tylose1934 testosterone propionate1937 filicin1941 trichothecin1948 siphonein1949 acetyl coenzyme A1950 acetyl CoA1951 1856 Jrnl. Chem. Soc. 8 276 Butylic urethane..forms beautiful nacreous scales. 1876 Encycl. Brit. V. 578/1 The neutral ethereal salts of carbamic acid are known as urethanes. 1926 Jrnl. Amer. Chem. Soc. 48 2176 It was decided..to prepare the mono- and dicarbethoxy-guanidines... The compounds may be regarded as urethans. 1954 C. H. Fisher et al. in G. S. Whitby Synthetic Rubber xxv. 926 The diisocyanate reacts with the terminal hydroxyls of the polyester, forming urethane linkages. 1968 R. O. C. Norman Princ. Org. Synthesis xiv. 447 The isocyanate is converted into an amine or a urethane. 1976 A. L. Ternay Contemporary Org. Chem. xxii. 688 Urethanes have high melting points, making them useful as derivatives of phenols. 2. = polyurethane v.; also attributive and figurative. 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 1956 Industr. & Engin. Chem. May 930/1 Processing studies of Adiprene B urethane rubber have resulted in an understanding of a number of the factors required for processability. 1969 Jane's Freight Containers 1968–9 463/2 Construction: Aluminium extrusion and sheet,..urethane foam, laminated wood. 1971 Cabinet Maker & Retail Furnisher 1 Oct. 14/2 Children's stools made of ICI's new solid urethane plastic are being supplied to infant and primary schools. 1976 A. Cassorla Skateboarder's Bible 9 The past can be shrouded by the translucent urethane gauze of the present. 1979 Arizona Daily Star 8 Apr. a3/3 (advt.) Madly flattering sandals of soft kid urethane, with flexible, easy going soles. This entry has not yet been fully updated (first published 1926; most recently modified version published online December 2021). < n.1838
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