摘要:
A toner fixable on an image bearer with heat. The toner has a first storage modulus of from 1×103 to 1×106 Pa, measured at 100° C. when being heated, and a second storage modulus of from 1×103 to 1×106 Pa, measured at 100° C. when being cooled, the first storage modulus and second storage modulus being measured by a rheometer, and the second storage modulus at 100° C. when being cooled is higher than the first storage modulus at 100° C. when being heated.
摘要:
A resin composition for a toner including a polyester resin and a colorant, wherein the polyester resin has A(10)-A(180) of 70 or greater, where A(10) (%) is a transmittance of light having a wavelength of 500 nm through a mixture of 20 parts by mass of the polyester resin added to 80 parts by mass of ethyl acetate and stirred at 25° C. for 10 minutes, and A(180) (%) is the transmittance after the mixture is left to stand for 3 hours.
摘要:
A toner, including: a copolymerization resin, wherein the copolymerization resin includes: a unit derived from a polyester resin including a polycarboxylic acid having a valence of 2 or more and a polyol having a valence of 2 or more; and a unit derived from a resin having a polyhydroxycarboxylic acid skeleton, where the unit derived from the resin having a polyhydroxycarboxylic acid skeleton is bonded to the unit derived from the polyester resin via at least one of a urethane group and a urea group, and wherein the toner has a relative degree of crystallization of 10% or more and less than 50%.
摘要:
A toner fixable on an image bearer with heat. The toner has a first storage modulus of from 1×103 to 1×106 Pa, measured at 100° C. when being heated, and a second storage modulus of from 1×103 to 1×106 Pa, measured at 100° C. when being cooled, the first storage modulus and second storage modulus being measured by a rheometer, and the second storage modulus at 100° C. when being cooled is higher than the first storage modulus at 100° C. when being heated.
摘要:
[Object] To provide an induced signal removing circuit that feeds back induced voltage regarded as electrical signals into the input side of an inductive load to remove the induced voltage from the metal part, the induced voltage appearing even across an insulated metal part in response to signals input to the inductive load.[Solution to Problem] An induced signal removing circuit for removing induced signals generated in a metal part in response to electrical signals input to an inductive load, including: an input terminal connected to the metal part insulated from the inductive load, the input terminal receiving the induced signals; two output terminals connected to an input side of the inductive load, the input side receiving the electrical signals, the output terminals outputting the induced signals received from the input terminal; and a signal flow controller between the input terminal and each output terminal, the controller causing the induced signals to flow in only one direction from the input terminal to either output terminal.
摘要:
A toner including a binder resin, a colorant and a phenol multimer represented by the following General Formula (1): where R1 to R6, R11, R12, R14 to R16, R21, R22, and R24 to R26 each are a hydrogen atom or a substituent; and n is an integer.
摘要:
A magenta toner for electrophotography, including: a polyester resin; and a colorant containing a naphthol-based pigment, wherein the magenta toner for electrophotography satisfies requirements and below: [G′(100)(THF insoluble matter)] is 1.0×105 Pa to 1.0×107 Pa, and a ratio of [G′(40)(THF insoluble matter)] to the [G′(100)(THF insoluble matter)] is 3.5×10 or less, where the [G′(100)(THF insoluble matter)] is a storage modulus at 100° C. of THF insoluble matter of the toner and the [G′(40)(THF insoluble matter)] is a storage modulus at 40° C. of the THF insoluble matter of the toner; and an X-ray diffraction pattern of the naphthol-based pigment in a crystalline state has a plurality of peaks in a range of 0°≦2θ≦35°, and a sum of half value widths of the peaks is 5° to 10°.
摘要:
Provided is a superior, novel heterocyclic compound with improved solubility in oil such as sesame oil and benzyl benzoate, which has a broader treatment spectrum, causes less side effects, and is superior in tolerability and safety, and use thereof. A heterocyclic compound represented by the formula (I) wherein each symbol is as defined in the specification, or a salt thereof.
摘要:
A toner, including: a binder resin; and a colorant, wherein the toner has a storage modulus of 1.0×107 Pa or more at 50° C., a loss modulus of 8.0×104 Pa to 2.0×105 Pa at 80° C., and a loss modulus of 2.0×102 Pa to 1.0×103 Pa at 160° C.
摘要:
To provide a toner, which contains: a non-crystalline polyester resin A obtained through a reaction between a non-linear chain reactive precursor and a curing agent, and having a glass transition temperature of −60° C. to 0° C.; a non-crystalline polyester resin B having a glass transition temperature of 40° C. to 70° C.; and a crystalline polyester resin C, wherein the toner has a glass transition temperature Tg1st of 20° C. to 40° C. as measured with first heating in differential scanning calorimetry (DSC).