TONER

摘要

To provide a toner that can keep its melt-sticking to sleeve from occurring and, even in double-sided printing, can keep high-temperature offset from occurring and obtain high-quality images on both the surface and the back. The toner comprises toner particles each of which contains a binder resin containing a resin formed by the reaction of i) a resin (A) having a softening point TA (°C) of 70°C to 105°C and having a peak top of endothermic peaks at 55°C to 120°C with ii) a resin (B) having a softening point TB (°C) of 120°C to 160°C and having a peak top of endothermic peaks at 55°C to 120°C, and, in its viscoelasticity characteristics, has a storage elastic modulus at temperature 180°C (G'180) of 3.0×103 Pa to 3.0×104 Pa, where the loss tangent tand has at least one peak having a peak top within the range of 50°C to 70°C and, when peak top temperature of the peak is represented by T(°C), the loss tangent at T+10(°C) [tand(T+10)] is 1.0 to 1.5 and the ratio of tand(T+10)/tand(110) is 0.8 to 1.5.