Patent ID: 8097391
Filing Date: 2012-01-17
Classification: G03G

Abstract:
1. A toner for developing electrostatic image, comprising colored resin particles containing a binder resin, a colorant, a first parting agent and a second parting agent, wherein the first parting agent and the second parting agent are characterized by the following: (1) the first agent is an aliphatic hydrocarbon polymer being obtained by polymerizing an aliphatic hydrocarbon monomer and having a peak top molecular weight of 10,000 or more and a melting point of 70° C. or lower, wherein the aliphatic hydrocarbon polymer is a higher α-olefin polymer obtained by polymerizing an a-olefin monomer having 16 or more carbon atoms; and (2) the second agent is a low molecular weight wax having a peak top molecular weight of 5,000 or less.