epoxiden.
/ɪˈpɒksʌɪd/ Chemistry.
A chemical compound the molecules of which contain an oxygen atom attached to two carbon atoms directly or indirectly bonded to one another; a cyclic ether. Also attributive, as epoxide resin = epoxy resin n. at epoxy adj.
ΚΠ
1930 Jrnl. Amer. Chem. Soc. 52 1191 The epoxides of oleic and elaidic acids have been obtained in crystalline form... Three directions in which these epoxy acids decompose on heating have been discussed.
1938 C. F. H. Allen & A. H. Blatt in H. Gilman Org. Chem. I. vi. 545 Peracetic acid and perbenzoic acid form epoxides by addition of an atom of oxygen to ethylenic linkages.
1950 Chem. Abstr. 44 3298 Epoxide resins... Products for enamels, paints, adhesives, films, molded articles, etc.
1958 Engineering 31 Jan. 7/3 (advt.) The epoxy or epoxide resins are among the newest and most versatile modern plastics.
Derivatives
epoxiˈdation n. the formation of an epoxide by the addition of an atom of oxygen to two doubly bonded carbon atoms.
ΚΠ
1944 Jrnl. Amer. Chem. Soc. 66 1927/2 The epoxidation of oleic acid.
1960 J. G. Wallace in R. E. Kirk & D. F. Othmer Encycl. Chem. Technol. Suppl. II. 329 Epoxides..may also be obtained by reactions not involving epoxidation.
1963 W. R. Moore Introd. Polymer Chem. vi. 178 New epoxy resins have recently been produced in which the epoxide groups are obtained by epoxidation of a carbon-carbon double bond.
eˌpoxiˈdizable adj. capable of undergoing epoxidation.
ΚΠ
1960 J. G. Wallace in R. E. Kirk & D. F. Othmer Encycl. Chem. Technol. Suppl. II. 327 Epoxides may be produced by decomposing the hemiperoxyacetate in the presence of an epoxidizable olefin.
eˈpoxidize v. to convert into an epoxide by means of epoxidation.
ΚΠ
1946 Jrnl. Amer. Chem. Soc. 68 1507/2 The same olefins were epoxidized with peracetic acid in acetic acid solution.
eˈpoxidized adj.
ΚΠ
1945 Jrnl. Amer. Chem. Soc. 67 414/2 Epoxidized oils, a new class of chemical reaction products from triglycerides, have been prepared.
eˈpoxidizing adj.
ΚΠ
1958 Industr. & Engin. Chem. June 873/1 Use of this versatile peracetic acid as the epoxidizing agent results in greater freedom from undesirable side reactions.
This entry has not yet been fully updated (first published 1972; most recently modified version published online September 2018).
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