A binder resin, and its manufacturing method, an electrophotographic toner, and a developer image

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PROBLEM TO BE SOLVED : To provide a binder resin capable of realizing a toner for electrophotography excellent in electrostatic charging stability, a toner for electrophotography excellent in electrostatic charging stability and its manufacturing method, a developer for electrophotography, and an image forming method. SOLUTION : The binder resin containing 1-10, 000 ppm of a rare earth element, particularly a crystalline polyester resin containing 1-10, 000 ppm of a rare earth element is provided. The toner for electrophotography containing it and its manufacturing method, the developer for electrophotography, and the image forming method are also provided. COPYRIGHT : (C)2006, JPO&NCIPI