蒙脱石剥离二维纳米片及其功能化应用

蒙脱石作为一类典型的层状黏土矿物具有优异的物理化学特性，可通过剥离分离出具有二维结构特性的高径厚比片层单体。常用的剥离制备二维蒙脱石纳米片的方法有化学法、机械法和化学-机械法，通过剥离处理可使层间结合较弱的蒙脱石片层分离并均匀分散。剥离制备的二维蒙脱石纳米片可用于环境功能材料、储能材料、阻燃材料、纳米流体通道和智能材料等先进矿物功能材料的制备。本文综述了近年来二维蒙脱石纳米片的剥离制备方法及其功能化应用的研究进展，为层状黏土矿物高值化应用和深化研究提供思路。

Exfoliating Preparation of Two-dimensional Montmorillonite Nanosheet and the Functional Applications

As a typical type of layered clay mineral, montmorillonite with excellent physicochemical properties can be separated into high-diameter-thickness lamellar monomers with two-dimensional structural characteristics. Common exfoliation methods can be divided into chemical method, mechanical method and chemical-mechanical method. Through the exfoliation process, the montmorillonite flakes with weak interlayer bonding can be separated and uniformly dispersed. The exfoliated nanosheets can be used for the preparation of advanced functional mineral materials such as environmental function materials, energy storage materials, flame retardant materials, nanofluidic channels and smart materials. In this paper, recent advances in the exfoliating preparation and functional applications of two-dimensional montmorillonite nanosheets are reviewed, thereby providing enlightening ideas for the further application and deepening study of layered clay minerals.