Toner, developer and image forming apparatus

A toner including: a binder resin containing a non-crystalline resin and a crystalline resin; a colorant; and, a releasing agent, wherein the releasing agent has a melting point of 55° C. to 80° C., and wherein the toner satisfies the following Expressions 1 and 2: (Expression 1): 20,000 Pa·s G1 50,...

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Bibliographische Detailangaben
Hauptverfasser: INOUE DAISUKE, WATANABE MASAKI, AWAMURA JUNICHI, YOSHIDA RYUUTA, MURAYAMA TOMOKI, UCHINOKURA OSAMU, HONDA TAKAHIRO, HOZUMI MAMORU
Format: Patent
Sprache:eng
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Zusammenfassung:A toner including: a binder resin containing a non-crystalline resin and a crystalline resin; a colorant; and, a releasing agent, wherein the releasing agent has a melting point of 55° C. to 80° C., and wherein the toner satisfies the following Expressions 1 and 2: (Expression 1): 20,000 Pa·s G1 50,000 Pa·s; and (Expression 2): (G4/G2)/(G3/G1) 1.00, where G1 is a storage modulus, G2 is a loss modulus, G3 is a storage modulus and G4 is a loss modulus, and the storage modulus G1 and the loss modulus G2 are measured at 80° C. when the toner is heated from 70° C. to 150° C. and the storage modulus G3 and the loss modulus G4 are measured at 80° C. when the toner heated to 150° C. is cooled to 70° C.