V2EX wetting agent

Wetting Agent

定义 Definition

wetting agent(润湿剂):一种添加剂(常见于表面活性剂),用于降低液体的表面张力,让液体更容易在固体表面铺展、渗透并均匀覆盖。常用于涂料、油墨、清洁剂、纺织处理和农药喷雾等。(在更广义的语境中也可指任何“帮助润湿的助剂”。)

例句 Examples

Add a wetting agent to help the paint spread evenly.
加入润湿剂可以帮助油漆更均匀地铺展。

In agricultural sprays, a wetting agent reduces surface tension so droplets coat waxy leaves instead of beading up.
在农业喷雾中,润湿剂能降低表面张力,使液滴覆盖蜡质叶面而不是聚成水珠滚落。

发音 Pronunciation

/wt ednt/

词源 Etymology

wetting 来自 wet(使变湿) + -ing(名词化/动名词),表示“润湿这一过程”;agent 源自拉丁语 agere(做、驱动、促使),经法语进入英语,表示“起作用的东西/药剂/介质”。合起来就是“促使润湿发生的药剂/助剂”。

相关词 Related Words

文学与经典用例 Literary & Notable Works

  • Surfactants and Interfacial Phenomena(Milton J. Rosen 等):在界面与表面活性剂章节中常用 wetting agent 讨论润湿与铺展机制。
  • Ullmann’s Encyclopedia of Industrial Chemistry:在涂料、清洁剂与表面活性剂相关条目中常出现该术语。
  • Handbook of Detergents(CRC Press 系列):用于说明配方中改善润湿/渗透的功能性成分。
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