| 单词 |
glyptal |
| 释义 |
glyptal|ˈglɪptəl|
Also † glyptol.
[Proprietary name, perh. f. glycerol, -yl + phthalic, -ate.]
Any of the alkyd resins, esp. those formed from glycerol and phthalic anhydride or phthalic acid. Also glyptal resin.
1915Bull. U.S. Bureau Standards XI. 385 The glyptol is an artificial resin furnished by the research department of the General Electric Co. Ibid. 406 Glyptol is a synthetic compound which has the appearance and many of the properties of amber. 1923C. Ellis Synthetic Resins xvii. 293 Thus far the commercial applications of glyptal resins are of a minor character. 1926Trade Marks Jrnl. 5 May 1033 Glyptal. Varnishes and Lacquers, included in Class 1. British Thomson-Houston Company. 1937R. S. Morrell et al. Synthetic Resins ix. 205 The glyptal resins are formed by condensation of polybasic acids with polyhydric alcohols. 1943[see alkyd]. 1967I. L. Finar Org. Chem. (ed. 5) I. xi. 286 With dibasic acids, glycerol forms condensation polymers known as alkyd resins, the commonest of which is glyptal, formed by heating glycerol with phthalic anhydride. |
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