Development of the technological and industrial capabilities to obtain hexagonal gibbsite nanoplatelets with a regularly well-defined configuration is an ongoing consideration that has not yet covered a required level of feasible architecture. Here we present a convenient method to synthesize the colloidal gibbsite particles based on a simple hydrothermal process from aluminum alkoxides in weak acid media. These colloids are near-regularly shaped and fairly monodisperse hexagons with an average diameter of 185 nm and a thickness of ~5.3 nm. The aqueous dispersion of gibbsite platelets can be shear-aligned to form highly ordered, continuous films on a substrate by an industrially adaptable method for producing large-area membranes. Overall, the modified synthesis method exhibits an excellent potential for scalable-up production with high quality in various practical applications. The aligned films also have outstanding properties due to the self-assemblies and interfacial physical interactions between adjacent gibbsite platelets and the possibility of industrial fabrication from those layered structural materials. Moreover, we prepare this shear-aligned membrane by the in-plane shearing method to introduce the great promise of disk-like-derived gibbsite as new gas-barrier material or surface-protective materials.

获得具有规则明确定义的六边形三水铝石纳米片的技术和工业能力的发展是一个持续的考虑，尚未涵盖所需的可行架构水平。在这里，我们提出了一种基于简单的水热工艺从铝醇盐在弱酸介质中合成胶体三水铝石颗粒的简便方法。这些胶体是近乎规则的形状和相当单分散的六边形，平均直径为 185 nm，厚度约为 5.3 nm。三水铝石片晶的水分散体可以通过用于生产大面积膜的工业适应性方法进行剪切排列，以在基材上形成高度有序的连续薄膜。全面的，改进的合成方法在各种实际应用中显示出高质量的规模化生产的极好潜力。由于相邻三水铝石片晶之间的自组装和界面物理相互作用以及由这些层状结构材料进行工业制造的可能性，排列的薄膜还具有出色的性能。此外，我们通过面内剪切法制备了这种剪切排列的膜，以介绍盘状衍生三水铝石作为新型阻气材料或表面保护材料的巨大前景。