摘要:
The invention provides an electrostatic charge image developing toner containing a fixing resin and a wax, characterized in that in a DSC curve measured by a differential scanning calorimeter for the wax, a maximum endothermic peak of endothermic peaks at temperature up is less than 70° C., on-set temperature attributable to the maximum endothermic peak is above 50° C., and lowest on-set temperature of on-set temperatures attributable to endothermic peaks except the maximum endothermic peak is in a range of from 30° C. to 40° C.
摘要:
An electrophotographic toner containing: a fixing resin, a colorant, and wax. The wax at least contains hydrocarbon wax having a number-average molecular weight of not higher than 600, and polyethylene wax having a number-average molecular weight of not higher than 600, a melting viscosity of lower than 15 mPa·s at 140° C. and a crystallinity of lower than 95%. A ratio of the hydrocarbon wax to the polyethylene wax is in a range of from 1:10 to 2:1. A maximum of absorption peaks in a heat-up time absorption calorie curve in a DSC curve of the toner measured by a differential scanning calorimeter is at a temperature not higher than 75° C. An onset temperature in absorption of heat is not higher than 65° C.
摘要:
Electrostatic charge developing toner contains at least fixing resin, a coloring agent and wax. Wax having number average molecular weight of not higher than 600 is contained as a component of the wax. A volume average particle size of the toner is in a range of from 5 &mgr;m to 10 &mgr;m. Toner particles each having a particle size of not larger than 4 &mgr;m are contained by 10% or lower by number of the total number of toner particles.
摘要:
Electrostatic image developing toner includes fixing resin; and wax. The wax is hydrocarbon-based wax. The wax is containing, as its constitutional components, first wax and second wax. The first wax is higher than 1.5 in ratio of weight average molecular weight (Mw) to number average molecular weight (Mn), lower than 10 mPa·s in melt viscosity at 140° C. and higher than 75% and not higher than 85% in degree of crystallinity. The second wax is not higher than 1.5 in ratio of weight average molecular weight (Mw) to number average molecular weight (Mn), lower than 10 mPa·s in melt viscosity at 140° C. and higher than 85% and not higher than 95% in degree of crystallinity.
摘要:
In the image forming apparatus by: visualizing an electrostatic latent image formed on an electrostatic charge carrying member; transferring a toner image, which is thus visualized, to a recording medium, or to a recording medium through an intermediate transfer material; and fixing the toner image, which is thus transferred to the recording medium, to obtain a recorded image, the toner includes at least a fixing resin, a colorant, a releasing agent, and an external additive, the toner has an average particle diameter in a range of from 4 to 12 μm and including no particle having a diameter of 45 μm or more, a ratio of a toner adhesion amount in a character part to a toner adhesion amount in a solid image part upon printing is more than 0.5 and less than 4, and the toner adhesion amount in a character part is 1.6 mg/cm2 or less.
摘要:
A toner for electrophotography containing at least a fixing resin, a coloring agent and a wax is a toner containing rice wax and carnauba wax as the wax constitutional component thereof. A cleaning unit employs the blade cleaning mode; and for the purposes of keeping the performance of the cleaning unit and preventing the generation of printing failure. The toner has a relationship between a charge amount X (i.e., an absolute value of charge amount of the toner, μC/g) and a deposition amount Y (mg/cm2) satisfied with the following expression (1) or (2): X≦21 (1) X>21 and Y≦−0.0329X+1.6223 (2)
摘要:
In the image forming apparatus by: visualizing an electrostatic latent image formed on an electrostatic charge carrying member; transferring a toner image, which is thus visualized, to a recording medium, or to a recording medium through an intermediate transfer material; and fixing the toner image, which is thus transferred to the recording medium, to obtain a recorded image, the toner includes at least a fixing resin, a colorant, a releasing agent, and an external additive, the toner has an average particle diameter in a range of from 4 to 12 μm and including no particle having a diameter of 45 μm or more, a ratio of a toner adhesion amount in a character part to a toner adhesion amount in a solid image part upon printing is more than 0. 5 and less than 4, and the toner adhesion amount in a character part is 1.6 mg/cm2 or less.
摘要翻译:在图像形成装置中,通过使形成在静电电荷承载构件上的静电潜像可视化; 通过中间转印材料将如此可视化的调色剂图像转印到记录介质或记录介质上; 并且将由此转印到记录介质上的调色剂图像定影以获得记录图像,调色剂至少包括定影树脂,着色剂,脱模剂和外部添加剂,调色剂的平均粒径为 4至12μm的范围,并且不包括直径为45μm或更大的颗粒,打印时字符部分中调色剂粘附量与固体图像部分中调色剂粘附量的比例大于0.5 小于4,字符部分中的调色剂附着量为1.6mg / cm 2以下。
摘要:
A toner for electrophotography containing at least a fixing resin, a coloring agent and a wax is a toner containing rice wax and carnauba wax as the wax constitutional component thereof. A cleaning unit employs the blade cleaning mode; and for the purposes of keeping the performance of the cleaning unit and preventing the generation of printing failure. The toner has a relationship between a charge amount X (i.e., an absolute value of charge amount of the toner, μC/g) and a deposition amount Y (mg/cm2) satisfied with the following expression (1) or (2): X≦21 (1) X>21 and Y≦−0.0329X+1.6223 (2)
摘要:
An electrophotographic toner comprising at least a fixing resin, a coloring agent, a release agent and a charge control agent, wherein the release agent is carnauba wax, the charge control agent is a boron complex of a salicylic acid derivative, and the fixing resin contains two kinds of polyester resins in ratio represented by the following equation (1); A ( T 1 / 2 ) - A ( T fb ) B ( T 1 / 2 ) - B ( T fb ) ≦ A ( T 1 / 2 ) × C B ( T 1 / 2 ) × D ≦ B ( T 1 / 2 ) - B ( T fb ) A ( T 1 / 2 ) - A ( T fb ) , ( 1 ) wherein in the above equation, A(T1/2)−A(Tfb)
摘要:
An electrophotographic toner comprising at least a fixing resin, a coloring agent, a release agent and a charge control agent, wherein the release agent is carnauba wax, the charge control agent is a boron complex of a salicyclic acid derivative, and the fixing resin contains two kinds of polyester resins in ratio represented by the following equation (1); A ( T 1 / 2 ) - A ( T fb ) B ( T 1 / 2 ) - B ( T fb ) ≦ A ( T 1 / 2 ) × C B ( T 1 / 2 ) × D ≦ B ( T 1 / 2 ) - B ( T fb ) A ( T 1 / 2 ) - A ( T fb ) , ( 1 ) wherein in the above equation, A(T1/2)−A(Tfb)