Wetting agent

Japanese: 湿潤剤 - しつじゅんざい(英語表記)wetting agent
Wetting agent
A surfactant that increases the ability of a solid surface to wet. Wetting occurs when a liquid adheres to a solid. When the surface of an object has a capillary structure or is covered with a water-repellent material, water does not penetrate or wet easily, but adding a substance that significantly reduces the surface tension of water makes these objects more likely to wet. Among surfactants, those that greatly reduce the surface tension of water in this way are called wetting agents (penetrating wetting agents). Aerosol OT, Nekal BX, and Lissapol N are typical examples. They are used in textiles, medicine, pesticides, food, cleaning agents, emulsifiers, dispersants, etc.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:
固体の表面を濡れやすくする作用を増大させる界面活性剤。濡れるとは液体が固体に付着することで,物の表面が毛細管組織になっていたり,撥水性物質におおわれているときには水が浸透,湿潤しにくいが,水の表面張力を著しく低下させる物質を加えるとこれらの物体は濡れやすくなる。界面活性剤のなかでこのように水の表面張力を大きく低下させるものを特に浸潤剤 (浸透湿潤剤) という。エーロゾル Aerosol OT,ネカール Nekal BX,リサポール Lissapol Nなどはその代表的なものである。繊維,医療,農薬,食品,洗浄剤,乳化剤,分散剤などに使用される。

出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報

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