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潤滑油的破乳化時間

发表时间：2019-01-04 16:58

　　在規定試驗條件下，試樣同樣加入的水蒸氣（或水）混合所形成的乳化液達到完全分層（或按規定乳化層等于或小于3ml時）所需的時間，稱破乳化時間。

　　潤滑油是非極性物質，水是極性物質，他們在一起不能混溶，但在某些條件下，如有皂、表面活性劑、蛋白質、電解質和固體粉末存在時，就容易形

成油包水或水包油的極細微粒分散在體系中，使潤滑油乳化。破乳化試驗是將潤滑油、水在高速攪拌下強行乳化，而後考察潤滑油、水從乳化液中分離出來的能力。

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文章分類：技術知識

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