多层核-壳结构复合微球材料制备研究进展

Progress on Preparation of Composite Microspheres with the Multi-layer Core-shell Structures

基于不同组分的核芯材料制备多层核-壳结构复合材料的独特优势在于可实现对复合材料的尺寸、形态及组成的有效调控,从而获得多类具有新颖结构和性能的多功能复合材料。根据常见核芯材料的组成类型,将核芯材料分为无机纳米颗粒(如磁性微粒、二氧化硅、纳米金属、半导体等)和聚合物微球(如聚苯乙烯和聚合物微凝胶)两类,并分别从多层核-壳复合微球材料的制备方法特点及其性能等方面进行分析和阐述。

Abstract The peculiar advantages of preparation of composites with multi-layer core-shell structures based upon the various core materials are of effectively regulating and controlling for the size, morphology and composition of the corresponding composites, and thereby various multi-functional composite materials with novel structures and properties were obtained. The core materials can be divided into two categories according to their composition type, that is, inorganic nano- particles （ e.g. magnetic nano-particles, silica, metal nano-particles, semiconductors, etc. ） and polymer microspheres （ e. g. polystyrene and polymer microgels ）. Moreover, the preparing characteristics and properties of multi-layer core-shell composite microspheres are analyzed and discussed.