| 摘要 |
PURPOSE: To obtain a powdery toner excellent in preservable stability, provided with toughness and brittleness to be sufficiently adapted for pulverizing at the time of production and satisfied in a specific desired condition of the softening range, the adhesion and the aggregation property so that a toner image is not deformed or separated from a paper. CONSTITUTION: This powdery toner for developing an electrostatic or magnetic latent image is a thermoplastic resin mixture containing a polyester resin, which is composed of an etherified diphenol and a dicarboxy acid as primary substances, and reaction product of an epoxy resin and a phenol compound. |
