中文摘要：

合成一种新型树枝状结构的超支化金属酞菁（ZnPc）,采用介电谱和差示扫描量热法研究其介电特性及热稳定性.超支化金属酞菁显示出极优异的介电性能,室温介电常数约为15,介电损耗在高频（MHz）低于0.002,这一性能好于目前绝大多数聚合物介质材料,且其介电响应保持了良好的频率稳定性.该超支化金属酞菁可在高储能密度电存储器件、嵌入式电容器和脉冲电源等领域广泛应用.

英文摘要：

A new hyperbranched zinc phthalocyanine（ZnPc） is prepared.The dielectric properties and thermostability are studied by using dielectric spectra and differential scanning calorimetry（DSC）.Hyperbranched zinc phthalocyanine（ZnPc） dendritic system with high dielectric constant and very low dielectric loss is investigated.A high dielectric constant（15） is obtained：it is larger than most of the existing polymer materials.The dielectric loss is lower than 0.002 at a high frequency.Both the dielectric constant and dielectric loss display very small dispersion.It is believed that the Pc system with a new,branched structure can be applied in future high-technology fields such as high energy density storage devices,embedded capacitors,and pulsed capacitors,etc.