| 摘要 |
PURPOSE:To provide a positively chargeable toner not contg. a metal such as Cr. CONSTITUTION:This positively chargeable toner is obtd. by using a compd. not contg. a metal represented by the formula, wherein X is an electron withdrawing group and each of R1 and R2 is H, halogen, alkyl, cycloalkyl, aralkyl, aryl, alkoxy or hydroxyl. |
