摘要:
The invention provides a toner for developing electrostatic latent images containing at least a binder resin, a colorant, a releasing agent, and a graft polymer that has been made by graft polymerization of a resin matrix and a macromonomer including at least one group selected from the group consisting of a hydroxyl group, a hydroxyalkyl group, and a pyrolidonyl group, and a production method thereof. The invention further provides an electrostatic latent image developer using the toner, an image forming method using the toner, and an image forming apparatus.
摘要:
The invention provides a toner for developing electrostatic latent images containing at least a binder resin, a colorant, a releasing agent, and a graft polymer that has been made by graft polymerization of a resin matrix and a macromonomer including at least one group selected from the group consisting of a hydroxyl group, a hydroxyalkyl group, and a pyrolidonyl group, and a production method thereof. The invention further provides an electrostatic latent image developer using the toner, an image forming method using the toner, and an image forming apparatus.
摘要:
A toner for electrostatic latent image development containing at least a binder resin and a colorant, wherein [Fe]/[C] satisfies the following formula (1) where [C] indicates the carbon content (%) and [Fe] indicates the iron content (%) of the toner determined through X-ray fluorescence analysis, 0.00005≦[Fe]/[C]≦0.0002. (1)
摘要:
A toner for electrostatic latent image development containing at least a binder resin and a colorant, wherein [Fe]/[C] satisfies the following formula (1) where [C] indicates the carbon content (%) and [Fe] indicates the iron content (%) of the toner determined through X-ray fluorescence analysis, 0.00005≦[Fe]/[C]≦0.0002 (1).
摘要:
Gallium phthalocyanine halide crystals wherein a part of the crystals are changed into hydroxygallium phthalocyanine is disclosed. A method for preparing gallium phthalocyanine halide crystals wherein gallium phthalocyanine halide crystals are brought into contact with water and a part of the crystals are changed into hydroxygallium phthalocyanine is also disclosed. An electrophotographic photoreceptor formed by laminating at least a charge generating layer and a charge transporting layer successively on a conductive support wherein the charge generating layer contains gallium phthalocyanine halide crystals An which a part of the crystals are changed into hydroxygallium phthalocyanine is also disclosed.
摘要:
The present invention provides a toner having a releasing agent, a binder resin and a colorant. The binder resin is contained in a form of particles, surfaces of which have 1.2 times or greater amount of a polar group-containing compound, or of a cross-linked compound, than insides thereof. A viscosity of the releasing agent, as determined by using a type-E viscometer provided with a cone plate having a cone angle of 1.34 degrees at 140° C., is 1.5 to 5.0 mPa·S. The present invention further provides a developer containing a carrier and the toner. The present invention further provides an image forming method that utilizes the developer.
摘要:
The present invention provides a toner having a releasing agent, a binder resin and a colorant. The binder resin is contained in a form of particles, surfaces of which have 1.2 times or greater amount of a polar group-containing compound, or of a cross-linked compound, than insides thereof. A viscosity of the releasing agent, as determined by using a type-E viscometer provided with a cone plate having a cone angle of 1.34 degrees at 140° C., is 1.5 to 5.0 mPa·S. The present invention further provides a developer containing a carrier and the toner. The present invention further provides an image forming method that utilizes the developer.
摘要:
The present invention provides a toner for electrostatically charged image development comprising at least a binder resin, a colorant and a releasing agent. The releasing agent satisfies the following equations (1) and (2): 0.1≦η*a≦1.0 (1) 1.1≦η*b/η*a≦3.5 (2)wherein η*a represents a complex viscosity (Pa·s) determined from a first dynamic viscoelasticity measurement at a measuring frequency of the releasing agent of 6.28 rad/s, η*b represents a complex viscosity (Pa·) determined from a second dynamic viscoelasticity measurement at a measuring frequency of the releasing agent of 62.8 rad/s, and each of the first and second dynamic viscoelasticities is measured in a temperature range from a temperature that is 15° C. lower than the melting point of the releasing agent to a temperature that is 15° C. higher than the melting point of the releasing agent.
摘要翻译:本发明提供一种用于静电荷图像显影的调色剂,其至少包含粘合剂树脂,着色剂和脱模剂。 脱模剂满足以下等式(1)和(2):<?in-line-formula description =“In-line Formulas”end =“lead”?> 0.1 <= eta * a <= 1.0(1) ?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> 1.1 <= eta * b / eta * a <= 3.5(2)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中eta * a表示从第一动态粘弹性确定的复数粘度(Pa.s) 以6.28rad / s的测定频率进行测定,eta * b表示从脱模剂的测定频率为62.8rad / s的第二动态粘弹性测定值求出的复数粘度(Pa。), 在比脱模剂的熔点低15℃的温度到比脱模剂的熔点高15℃的温度的温度范围内测量第一动态粘弹性和第二动态粘弹性。
摘要:
A toner for developing an electrostatic latent image is provided that is excellent in releasing property upon fixing and shape controllability upon production of the toner. The toner for developing electrostatic latent image has a number average molecular weight in a range of from 10,000 to 30,000 and a ratio of a Z average molecular weight and a weight average molecular weight in a range of from 3.0 to 6.0.
摘要:
The present invention provides a toner for electrostatically charged image development comprising at least a binder resin, a colorant and a releasing agent. The releasing agent satisfies the following equations (1) and (2): 0.1≦η*a≦1.0 (1) 1.1≦η*b/η*a≦3.5 (2) wherein η*a represents a complex viscosity (Pa·s) determined from a first dynamic viscoelasticity measurement at a measuring frequency of the releasing agent of 6.28 rad/s, η*b represents a complex viscosity (Pa·s) determined from a second dynamic viscoelasticity measurement at a measuring frequency of the releasing agent of 62.8 rad/s, and each of the first and second dynamic viscoelasticities is measured in a temperature range from a temperature that is 15° C. lower than the melting point of the releasing agent to a temperature that is 15° C. higher than the melting point of the releasing agent.
摘要翻译:本发明提供一种用于静电荷图像显影的调色剂,其至少包含粘合剂树脂,着色剂和脱模剂。 脱模剂满足以下等式(1)和(2):<?in-line-formula description =“In-line Formulas”end =“lead”?> 0.1 <= eta * a <= 1.0(1) ?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> 1.1 <= eta * b / eta * a <= 3.5(2)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中eta * a表示从第一动态粘弹性确定的复数粘度(Pa.s) 以6.28rad / s的测定频率进行测定,eta * b表示在62.8rad / s的脱模剂的测定频率下的第二次动态粘弹性测定中求出的复数粘度(Pa.s) 第一动态粘弹性和第二动态粘弹性的温度在比脱模剂的熔点低15℃的温度到比脱模剂的熔点高15℃的温度范围内测定。