冷冻干燥法制备聚合物基新型材料及其应用

Fabrication and Application of New Polymer-Based Materials by Freeze-Drying

冷冻干燥法是一种环境友好、经济高效的制备通孔先进材料的成型方法,采用冷冻干燥技术高效可控地构筑多孔结构材料备受关注。近年来采用冷冻干燥法制备出的聚合物基新型材料,在不同功能材料领域展现出广阔的应用前景。本文综述了国内外通过冷冻干燥法制备聚合物新型材料的研究进展,对其在生物医学、环境保护、导电以及气体检测方面的应用进行了总结,并展望了其发展趋势。

The freeze-drying technique is an attractive method because it is an environmental friendly and costeffective shaping process for preparing advanced materials with interconnecting pore channels or pore gradients in bodies. Freeze-drying technology is a kind of methods to build porous structural material efficiently and controllably. In recent years many new polymer-based materials prepared by freeze-drying have exhibited broad applications as functional materials. This article reviews the progress of advanced polymer materials prepared by freeze-drying,and summerizes the applications in the field of materials engineering,environment,biomedicine and other prospects. The research prospects and directions of this rapidly developing field are also briefly addressed.