V2EX perfluoroalkyl

Perfluoroalkyl

定义 Definition

perfluoroalkyl(全氟烷基):指一种烷基(alkyl)基团中,原本应为氢(H)的位置全部被氟(F)取代而成的有机基团。常见于含氟表面活性剂、涂层与材料化学中(与 PFAS 等话题相关)。

发音 Pronunciation

/pflrolkal/

例句 Examples

Perfluoroalkyl compounds are used to make fabrics stain-resistant.
全氟烷基化合物被用于使织物具有防污性能。

Researchers are studying how perfluoroalkyl substances persist in the environment and accumulate in living organisms.
研究人员正在研究全氟烷基物质如何在环境中长期存在并在生物体内累积。

词源 Etymology

该词由三部分构成:**per-**(表示“完全、彻底”)+ fluoro-(“氟/含氟”)+ alkyl(“烷基”)。合起来字面意思就是“被氟完全取代的烷基”。这是化学命名中常见的构词方式,用于精确描述结构特征。

相关词 Related Words

文学作品 Literary Works

该词属于专业化学术语,更常见于科研论文、环境报告与法规文本中,而非传统文学作品;在大众纪实与科普写作中,常以更常见的相关词(如 PFAS、“forever chemicals”)出现。

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