In order to shorten the preparation cycle of PILM by overleaping the step of sodium modification of Ca-M, the pretreatment technique for Ca-M has been pointed out for the first time.

• 为了简化PILM的制备工艺，我们首次提出了蒙脱石的预处理工艺，希望通过预处理后可以省去蒙脱石的钠化工艺，以Ca-M为原料直接合成PILM。