摘要:
A toner including: a binder resin; a releasing agent; and a colorant, wherein the binder resin contains a crystalline polyester resin and a non-crystalline polyester resin, wherein the releasing agent has an endothermic peak temperature of 60° C. to 80° C. at the second temperature rising in differential scanning calorimetry, and wherein the releasing agent is an ester wax which satisfies the following expressions (1) and (2): 1.1 Pa·s≦η*a≦2.0 Pa·s . . . Expression (1) 0.001≦η*b/η*a≦1.00 . . . Expression (2) where in Expressions (1) and (2), η*a denotes a complex viscosity (Pa·s) determined by measuring a dynamic viscoelasticity of the releasing agent at a measurement frequency of 6.28 rad/s, and η*b denotes a complex viscosity (Pa·s) determined by measuring a dynamic viscoelasticity of the releasing agent at a measurement frequency of 62.8 rad/s.
摘要:
A toner for developing an electrostatic image, including: toner base particles each including a binder resin and a releasing agent; and inorganic fine particles, wherein the toner includes the inorganic fine particles as an external additive on a surface of the toner base particle, wherein the toner base particles have a BET specific surface area of 2.5 m2/g to 5.0 m2/g, and wherein the inorganic fine particles comprise inorganic fine particles (A) which are each a secondary particle where a plurality of primary particles are coalesced together.
摘要:
A toner for developing an electrostatic image, including: toner base particles each including a binder resin and a releasing agent; and inorganic fine particles, wherein the toner includes the inorganic fine particles as an external additive on a surface of the toner base particle, wherein the toner base particles have a BET specific surface area of 2.5 m2/g to 5.0 m2/g, and wherein the inorganic fine particles comprise inorganic fine particles (A) which are each a secondary particle where a plurality of primary particles are coalesced together.
摘要:
Electrostatic image developing toner particles including: a crystalline polyester resin; a non-crystalline polyester resin; a releasing agent; and a colorant, wherein the electrostatic image developing toner particles have a glass transition temperature of 40° C. to 60° C. where the glass transition temperature is measured with a differential scanning calorimeter (DSC), and wherein the electrostatic image developing toner particles have an adhesive force between the toner particles of 1.4 mN to 2.2 mN where the adhesive force between the toner particles is measured after the electrostatic image developing toner particles have been stored at 50° C.
摘要:
A toner including a core particle, an inner shell layer covering the core, and an outer shell layer covering the inner shell layer is provided. The core particle includes a resin P. The inner shell layer includes fine particles of a resin A. The outer shell layer includes fine particles of a resin B. The toner satisfies the following formulae (1) to (3): 4.5≦T½(P)−Tfb(P)≦14 (1) 20≦T½(A)−Tfb(A)≦40 (2) 23.5≦T½(B)−Tfb(B)≦40 (3) wherein T½(P), T½(A), and T½(B) represent ½ method temperatures of the resins P, A, and B, respectively, and Tfb(P), Tfb(A), and Tfb(B) represent flow beginning temperatures of the resins P, A, and B, respectively, and wherein the ½ method temperatures and the flow beginning temperatures are measured by a flowtester.
摘要翻译:提供了包括芯颗粒,覆盖芯的内壳层和覆盖内壳层的外壳层的调色剂。 核心颗粒包括树脂P.内壳层包括树脂A的细颗粒。外壳层包括树脂B的细颗粒。调色剂满足下式(1)至(3):4.5@T 1/2( P)-Tfb(P)@ 14(1)20 @ T 1/2(A)-Tfb(A)@ 40(2)23.5@T½(B)-Tfb(B)@ 40(3) T 1/2(A)和T 1/2(B)分别表示树脂P,A和B的1/2方法温度,Tfb(P),Tfb(A)和Tfb(B)表示树脂P的流动开始温度 ,A和B,并且其中1/2方法温度和流动开始温度由流动器测量。
摘要:
A toner including a core particle, an inner shell layer covering the core, and an outer shell layer covering the inner shell layer is provided. The core particle includes a resin P. The inner shell layer includes fine particles of a resin A. The outer shell layer includes fine particles of a resin B. The toner satisfies the following formulae (1) to (3): 4.5≦T½(P)−Tfb(P)≦14 (1) 20≦T½(A)−Tfb(A)≦40 (2) 23.5≦T½(B)−Tfb(B)≦40 (3) wherein T½(P), T½(A), and T½(B) represent ½ method temperatures of the resins P, A, and B, respectively, and Tfb(P), Tfb(A), and Tfb(B) represent flow beginning temperatures of the resins P, A, and B, respectively, and wherein the ½ method temperatures and the flow beginning temperatures are measured by a flowtester.
摘要翻译:提供了包括芯颗粒,覆盖芯的内壳层和覆盖内壳层的外壳层的调色剂。 核心颗粒包括树脂P.内壳层包括树脂A的细颗粒。外壳层包括树脂B的细颗粒。调色剂满足下式(1)至(3):4.5@T 1/2( P)-Tfb(P)@ 14(1)20 @ T 1/2(A)-Tfb(A)@ 40(2)23.5@T½(B)-Tfb(B)@ 40(3) T 1/2(A)和T 1/2(B)分别表示树脂P,A和B的1/2方法温度,Tfb(P),Tfb(A)和Tfb(B)表示树脂P的流动开始温度 ,A和B,并且其中1/2方法温度和流动开始温度由流动器测量。
摘要:
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.
摘要:
A toner including a binder resin comprising a modified polyester having an ester bond and a chemical bond other than the ester bond, and a crystalline polyester; and a release agent comprising a microcrystalline wax comprising a hydrocarbon having 20 to 80 carbon atoms which comprises 55 to 70% by weight of a linear hydrocarbon. The microcrystalline wax has an acid value of from 0.1 to 20 mgKOH/g and a melting point of from 65 to 90° C. The melting point is a temperature at which a local maximum endothermic peak is observed in a differential thermal curve measured by differential scanning calorimetry (DSC). The release agent is dispersed in the toner with a dispersion diameter of from 0.06 to 1.50 μm.
摘要:
A method for producing a toner, including: dispersing toner particles containing at least a binder resin in a first aqueous medium so as to produce an aqueous dispersion; and subjecting the aqueous dispersion to heat treatment, wherein the electric conductivity of the aqueous dispersion after the heat treatment is higher than the electric conductivity of the aqueous dispersion before the heat treatment by 50 μS/cm or less.
摘要:
A toner, including a colorant; a binder resin; a release agent; and a fixing supplemental component, wherein the toner has a storage elastic modulus G′ (Pa) satisfying the following conditions: 5.0×104