Toner and method for producing toner

A toner comprising a toner particle including a binder resin, wherein the toner is such that (1) when a powder dynamic viscoelasticity measurement method is used, a measurement start temperature is set to 25° C., and a ramp rate is set to 20° C./min, on a curve of a storage elastic modulus E′ (Pa) w...

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Hauptverfasser: Nagata, Ryo, Fukudome, Kosuke, Kinumatsu, Tetsuya, Unno, Tomohiro, Yamashita, Mariko
Format: Patent
Sprache:eng
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Zusammenfassung:A toner comprising a toner particle including a binder resin, wherein the toner is such that (1) when a powder dynamic viscoelasticity measurement method is used, a measurement start temperature is set to 25° C., and a ramp rate is set to 20° C./min, on a curve of a storage elastic modulus E′ (Pa) where a temperature (° C.) is plotted against an abscissa and the storage elastic modulus E′ is plotted against an ordinate, a temperature at a time when the E′ at a start of a measurement has decreased by 50% is from 60° C. to 90° C., and (2) a load at a yield point of a displacement-load curve which is determined by a nanoindentation method and where a load (mN) is plotted against an ordinate and a displacement amount (μm) is plotted against an abscissa, is 0.80 mN or more; and a method for producing thereof.