The amine cake is an organic bentonite used as the rheological regulator for thickening oils, made from long-carbochain quaternary ammonium salt.

• 胺片是用长碳链季铵盐制备的有机膨润土，常用于油类增稠的流变性调节剂，而长碳链季铵盐是阳离子表面活性剂，具有润湿、吸附、乳化等作用。