| 摘要 |
A color toner that comprises at least a binder resin, a colorant and a release agent, wherein the binder resin has at least a polyester unit and is synthesized in the presence of a tin compound as a catalyst represented by the general formula (1): <?in-line-formulae description="In-line Formulae" end="lead"?>(RCOO)<SUB>2</SUB>Sn (1)<?in-line-formulae description="In-line Formulae" end="tail"?> wherein, R is an alkyl group of 5 to 15 carbon atoms. The toner is excellent in charge build-up, resistance to high temperature offset, color reproducibility and transparency.
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