Patent ID: 6528222
Filing Date: 2003-03-04
Classification: G03G

Abstract:
A toner, comprising; at least a binder resin, a colorant and a wax, whereinthe binder resin comprises a resin selected from the group consisting of (a) a polyester resin, (b) a hybrid resin having a polyester unit and a vinyl polymer unit, and (c) a mixture of these resins, and the wax has a structural unit including a polar group and represented by any one of formulae (I)-(IV) or a structure having a polar group and represented by formula (V): wherein R1 denotes hydrogen or a hydrocarbon group having 1-8 carbon atoms, wherein R5 denotes a saturated hydrocarbon group having 2-20 carbon atoms, an unsaturated hydrocarbon group having 2-10 carbon atoms, an aromatic hydrocarbon group, or an alicyclic hydrocarbon group, and wherein R2, R3 and R4 independently denote hydrogen or a hydrocarbon group having 8-50 carbon atoms with the provision that at least one of R2, R3 and R4 is a hydrocarbon group having 8-50 carbon atoms.