| 摘要 |
PURPOSE:To obtain the excellent anti-hot offset and anti-blocking properies and the excellent fixing property at a low temp. of the titled toner by incorporating a 1st. polyester and a 2nd. polyester which have specified characteristics in the titled toner. CONSTITUTION:The titled toner contains the 1st and the 2nd polyesters, and said polyesters are composed from all tervalent or more valents monomer. The former is composed from a nonlinear polyester satisfying the conditions A1 and A2, and the latter is composed of said polyester satisfying the conditions B1 and B2 (wherein the condition A1: the softening point is 80-120 deg.C, the condition Ad2: the compounding ratio of the tervalent or more valents monomer per the total monomer is 0.05-40mol.%, the condition B1: said ratio is 15-40mol.%, the condition B2: the softening point is 120-160 deg.C). Thus, the excellent anti-hot offset and anti-blocking properties, and the excellent fixing property at the low temp. of the titled toner are obtd. |
