| 摘要 |
<p>PURPOSE:To provide a toner having proper capacity of plus electrification which stably varies before and after stirring by dispersing a specific compound in polyester resin. CONSTITUTION:An electrophotographic toner contains at least polyester resin and a compound expressed by the formula. In the formula, (R1)-(R4) each represent a substituted or unsubstituted alkyl or aralkyl group, (A) represents an aromatic ring residue that may have a substituted group, and (N) represents an integer; (R1)-(R4) are preferably a dodecyl, tridodecyl, tetradecyl, hexadecyl, stearyl, benzyl, or substituted benzyl group; (A) preferably represents a benzene ring, or a naphtalene ring that may have a substituted group, and, a hydroxyl, amino and alkyl group are mentioned as examples of the substituted group; (N) is preferably 2 or 3.</p> |
