Toner for electrostatic charge development

To provide a toner, which contains a binder resin, a colorant, and a releasing agent, wherein the binder resin contains a low molecular weight resin component, where the low molecular weight resin component has a resin softening coefficient (A), represented by the following formula (1), satisfying A...

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Hauptverfasser: INOUE DAISUKE, SUZUKI TOMOMI, SATO KOSHI, YOSHIDA RYUUTA, UCHINOKURA OSAMU, SHU HYO, HONDA TAKAHIRO, SUGIMOTO TSUYOSHI, KUSAHARA TERUKI, AWAMURA JUNICHI, OGAWA SATOSHI, SATOH SYOUKO, KOJIMA SATOSHI, ITO DAISUKE
Format: Patent
Sprache:eng
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Zusammenfassung:To provide a toner, which contains a binder resin, a colorant, and a releasing agent, wherein the binder resin contains a low molecular weight resin component, where the low molecular weight resin component has a resin softening coefficient (A), represented by the following formula (1), satisfying A>0.165, and has storage elastic modulus (dyne/cm2) G′(Tfb) satisfying G′(Tfb) 1×104 where Tfb is a flow onset temperature (° C.) of the low molecular weight resin component as measured by a capillary rheometer: A=|[(r1)−ln G′(r2)]/(T1−T2)|  Formula (1) (where T1 is temperature (° C.) at which storage elastic modulus G′(r1) is 1×105 (dyne/cm2) and T2 is temperature (° C.) at which storage elastic modulus G′(r2) is 1×103 (dyne/cm2) as measured by means of a viscoelasticity measuring device with measuring frequency of 1 Hz, and measuring distortion of 1 deg; and | | represents an absolute value.).