Four sensitizers of high purity were synthesized with high yield. Their structures were verified by IR spectra and elementary analysis. The tricomponent eutectoid point determined by thermal analysis and the optical d...Four sensitizers of high purity were synthesized with high yield. Their structures were verified by IR spectra and elementary analysis. The tricomponent eutectoid point determined by thermal analysis and the optical density determined by static and dynamic color development tests show that these sensitizers can lower the temperature and increase the rate of color development as well as enhance the optical .tensity when used in thermal sensitive materials.展开更多
文摘Four sensitizers of high purity were synthesized with high yield. Their structures were verified by IR spectra and elementary analysis. The tricomponent eutectoid point determined by thermal analysis and the optical density determined by static and dynamic color development tests show that these sensitizers can lower the temperature and increase the rate of color development as well as enhance the optical .tensity when used in thermal sensitive materials.