Organobentonite is a kind of hydrophobic bentonite which prepared by exchanging inorganic cations in the layer of bentonite with organic cations or compounds .

• 有机膨润土是用有机阳离子或有机化合物与膨润土层间的无机阳离子发生交换而生成的一种疏水亲油的膨润土。