| 摘要 |
NEW MATERIAL:The compound of formula I (X1-X4 are halogen, n, m, l and k are 0-4) exhibiting characteristic strong peaks at 1332+ or -2cm<-1>, 1072+ or -2cm<-1>, 962+ or -2cm<-1> and 783+ or -2cm<-1> in infrared absorption spectrum. USE:Photosensitive material for electrophotography. It has high solvent stability, excellent dispersibility and high photoelectric transfer efficiency. PREPARATION:Amorphous titanylphthalocyanine compound is treated with THF. |
