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单词 ethoxylation
释义

ethoxylationn.

Brit. /ɛˌθɒksᵻˈleɪʃn/, /ᵻˌθɒksᵻˈleɪʃn/, U.S. /ɛˌθɑksəˈleɪʃ(ə)n/
Origin: Formed within English, by derivation. Etymons: ethoxyl n., -ation suffix.
Etymology: < ethoxyl n. + -ation suffix. Compare earlier ethoxylated adj.
Chemistry.
The synthesis of a compound containing one or more ethoxyl groups, esp. as an industrial process; an instance of this.
ΚΠ
1938 Brit. Patent 480,117 2/1 The high emulsifying power of the ethoxylation products.
1965 Weeds 13 125/2 Ethoxylation of the amine with 15 moles of ethylene oxide produced a salt which was very active.
2011 M. J. Guggenheim & M. Ballantyne in N. Dayan & L. Kromidas Formulating, Packaging, & Marketing of Nat. Cosmetic Products v. 83 Industrial processes including ethoxylation, sulfination, and polymerization are not permitted in ‘natural’ products certified under this standard.
This is a new entry (OED Third Edition, March 2014; most recently modified version published online March 2022).
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n.1938
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更新时间:2024/12/24 9:13:21