High permittivity (high-k) polymeric dielectrics become a hot topic in the research of information function materials,which possesses practical application value and prospects.The classification and relative merits of such kink of polymer dielectric composites are summarized.Particular attention is paid on the progress and prospect of obtaining high-k,low dielectric loss polymer composite based on microstructure design and surface modification of nanofillers,such as forming ternary hybrid,core-shell and sandwich structure.The overview is expected to give a direct,comprehensive understanding of the high-k,low loss polymer dielectrics and expands its extensive researches and applications in the field of electrical and biomedical engineering.%高介电常数聚合物电介质材料作为当今信息功能材料的研究热点,具有实际的应用价值和前景.综述了聚合物基复合电介质材料的分类及优缺点,以及从材料微观结构设计和填料界面修饰出发(如三元杂化或设计核壳和三明治结构),来获得高介电常数、低介电损耗聚合物复合电介质材料的研究状况和应用前景,以期对高介电、低损耗聚合物基电介质材料有一个更直观全面的了解,进一步拓展该类材料在电气和生物工程领域的研究和应用.
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