为提高电子纸电泳分散液(电泳液)的稳定性并降低使用电压,采用毕克公司的BYK161和BYK110对二氧化钛等颜料复配,制备高稳定的红、绿、蓝、黄、黑各色电泳液,组装成电子纸器件.通过紫外分光光度计对电子纸颜料的反射特征峰进行动力学测试,研究它们的对比度与双稳性.经测定:所得电子纸具有相同的开关时间(470-510 ms),沉降时间(t1/3)为72 h,对比度可达7,具有良好的双稳性,适用于低电压多色电子纸显示.
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