TONER, AND MANUFACTURING METHOD OF TONER

PROBLEM TO BE SOLVED: To provide a toner that has a small grain size distribution and a small diameter, and is excellent in low-temperature fixability, blocking resistance, and image stability.SOLUTION: There is provided a toner containing at least an amorphous resin and a crystalline material as a...

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Hauptverfasser: ISHIKAWA MASAHIKO, TAKAHASHI SATOSHI, SEKIGUCHI AKIYUKI, YAMAGUCHI TATSUKI, INOUE RYUTA, MIYAAKE AMI, MORIYA YOSHIHIRO, ASAHINA DAISUKE
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a toner that has a small grain size distribution and a small diameter, and is excellent in low-temperature fixability, blocking resistance, and image stability.SOLUTION: There is provided a toner containing at least an amorphous resin and a crystalline material as a binder resin, when the number average particle diameter of the crystalline material is CDa, which is present in a depth area Aa in a depth of 1/6 of a diameter d (1/6d) of the toner from the surface of the toner in a torn surface image in the toner obtained by a transmission electron microscope, and the number average particle diameter of the crystalline material is CDc, which is present in a central area Ac of a circle having a radius of 1/6d with the center of the toner as the center, the relationship between CDa and CDc satisfies the following relationship: CDa