| 摘要 |
<p>PURPOSE:To provide a positively chargeable toner which is not excessively charged even in an environment at low humidity and does not cause ununiformity in a toner coat layer on a developing sleeve in a one-component developing system or the lowering of image density, fog, etc., in a two- component developing system. CONSTITUTION:This positively chargeable toner contains a compd. having a substituent represented by formula I or II in one molecule or a compd. having a substituent represented by the formula I or II and an amino group in the same molecule. In the formulae I, II, each of R1 and R2 is H, alkyl or aryl.</p> |
