新型聚省醌自由基高聚物的电磁性能

通过共缩聚合成了几种新型的，压阻系数很高的聚省醌自由基高聚物（ＰＡＱＲ）实验发现：在直流电导率对数与外界压力（０．０１～１．０ＧＰａ）平方根的线形关系上有一个转折点（约０．１１ＧＰａ）Ｍｏｔｔ－Ｔ＾１／４规律的适用范围可延伸至高温区（２９８～４８６Ｋ）直流电导率自旋浓度，ｇ因子和峰一峰线宽之间与共缩聚时个入的六氟二酐的物质的量比存在类似的变化趋势，在不同温度下介电系数的对数与压力平方根的线性关系图

ELECTRICAL AND MAGNETIC PROPERTIES OF NEW POLYACENE QUINONE RADICAL POLYMERS

The several new polycene quinone radical (PAQR) co-polymers with very high Pressure resistivity coefficient were synthesized by condensation. It was experimentally found that a kink exists at about 0.11GPa on plots of log d.c. conductivity verses the square root of external pressure in a range from 0.01 to 1.0GPa; an applicable extent of Mott-T-1/4 law can expand to more high temperature region of 290-400K; there is an analogue trend of the changes between the d.c. conductivity and spin concentration and between g factor and peak-to-peak linewidth with mole fraction of 4,'4-(hexafluoroisopro-phlidene)-diphthalic anhydride (HFDA)introducecd;and the plot of log dielectric constant uersus the square root of external pressure at various temperatures does not fully obey the linear relationship theoretecally expected by Pohl.