发明公开
EP1925982A2 Toner, image forming apparatus using the same, image forming method using the same, and process cartridge 有权
调色剂,使用其的成像装置,使用该成像装置的成像方法以及处理盒

Toner, image forming apparatus using the same, image forming method using the same, and process cartridge
摘要:
A toner that is excellent in low-temperature fixing property, offset resistance, storage stability, charge rising property, charge stability with time and pulverizability and allows for forming high-quality images over a long period of time The toner contains at least a binder resin, a colorant and a charge controlling agent, wherein the charge controlling agent contains an aromatic oxycarboxylic acid metal compound having a trivalent or more central metal, the binder resin comprises a polyester resin (A) having a softening point Tm (A) of 120°C to 160°C and a polyester resin (B) having a softening point Tm (B) of 80°C to less than 120°C, and at least any one of the polyester resins (A) and (B) contains 1,2-propane diol at 65 mol% or more in a divalent alcohol component and can be obtained by condensation polymerizing an alcohol component substantially composed of only an aliphatic alcohol with a carboxylic acid component,
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