Abstract:
A toner includes a binder including two different weight molecular weight resins, a colorant, and a releasing agent, wherein a gel permeation chromatogram (GPC) molecular weight distribution curve of the toner has a major peak (Mp) present in a range of about 1.0×104 to about 3.0×104 g/mol and a shoulder curve starting at 1.0×105 g/mol or more, and a storage modulus (G′) curve of the toner with respect to temperature has Ts, which is a temperature at which a storage modulus value begins to decrease, in a temperature range of about 50 to about 67° C.
Abstract translation:调色剂包括包含两种不同重量分子量树脂,着色剂和脱模剂的粘合剂,其中调色剂的凝胶渗透色谱(GPC)分子量分布曲线具有约1.0的范围内的主峰(Mp) ×104〜约3.0×104g / mol,起始于1.0×10 5 g / mol以上的肩曲线,调色剂相对于温度的储能模量(G')曲线为Ts,其为 在约50℃至约67℃的温度范围内,储能模量值开始降低。
Abstract:
An electrophotographic toner includes a latex, a colorant, and a release agent, wherein G′(80) is in a range of about 2.0×105 Pa to about 3.0×106 Pa and G′(80)/G′(140) is in a range of about 2.0×102 to about 3.0×103, wherein in regard to a molecular weight distribution on a gel permeation chromatography (GPC) chromatogram, the molecular weight region of 1.0×104 g/mol or less of a tetrahydrofuran (THF)-soluble component of the electrophotographic toner is about 5% or less, and the molecular weight region of 1.0×105 g/mol or more of the THF-soluble component of the electrophotographic toner is in a range of about 5% to about 20%, where G′(80) and G′(140) respectively denote storage moduli of the electrophotographic toner at temperatures of 80° C. and 140° C. when a dynamic viscoelasticity according to a sine-wave vibration is measured at an angular velocity of 6.28 rad/sec and at a temperature increase rate of 2.0° C./min.
Abstract:
Toner for developing an electrostatic image, which satisfies charging stability, low-temperature fixability, high-temperature storage characteristics, and durability with respect to an environment up to a predetermined level or above, and a method of preparing the toner. The toner includes: a core layer including a first binder resin, a colorant, and a releasing agent; and a shell layer covering the core layer and including a second binder resin, wherein the first binder resin includes about 70 wt % or above of amorphous polyester resin and about 30 wt % or below of crystalline polyester resin, the second binder resin includes an amorphous polyester resin, and a melting temperature (Tm(C)) of the crystalline polyester resin, a melting temperature (Tm(W)) of the releasing agent, and a melting point (Tm(T)) of the toner satisfy the following conditions: −20° C.≦Tm(W)−Tm(C)≦20° C.; and 0° C.
Abstract:
The present disclosure provides an electrographic toner and methods for preparing an electrographic toner. In particular, the present disclosure provides an electrophotographic toner comprising a latex, a colorant and a releasing agent. The electrophotographic toner may further comprise zinc (Zn), iron (Fe), and silicon (Si). The [Zn]/[Fe] ratio may be in the range of about 5.0×10−2 to about 2.0. The [Si]/[Fe] ratio may be in the range of about 5.0×10−4 to about 5.0×10−2. [Zn], [Fe] and [Si] denote the intensities of Zn, Fe and Si, respectively, as measured by X-ray fluorescence spectrometry.
Abstract:
An electrophotographic toner includes a latex, a colorant, and a release agent, wherein G′(80) is in a range of about 2.0×105 Pa to about 3.0×106 Pa and G′(80)/G′(140) is in a range of about 2.0×102 to about 3.0×103, wherein in regard to a molecular weight distribution on a gel permeation chromatography (GPC) chromatogram, the molecular weight region of 1.0×104 g/mol or less of a tetrahydrofuran (THF)-soluble component of the electrophotographic toner is about 5% or less, and the molecular weight region of 1.0×105 g/mol or more of the THF-soluble component of the electrophotographic toner is in a range of about 5% to about 20%, where G′(80) and G′(140) respectively denote storage moduli of the electrophotographic toner at temperatures of 80° C. and 140° C. when a dynamic viscoelasticity according to a sine-wave vibration is measured at an angular velocity of 6.28 rad/sec and at a temperature increase rate of 2.0° C./min.
Abstract:
The present disclosure provides an electrographic toner and methods for preparing an electrographic toner. In particular, the present disclosure provides an electrophotographic toner comprising a latex, a colorant and a releasing agent. The electrophotographic toner may further comprise zinc (Zn), iron (Fe), and silicon (Si). The [Zn]/[Fe] ratio may be in the range of about 5.0×10−2 to about 2.0×10−2. The [Si]/[Fe] ratio may be in the range of about 5.0×10−4 to about 5.0×10−2. [Zn], [Fe] and [Si] denote the intensities of Zn, Fe and Si, respectively, as measured by X-ray fluorescence spectrometry.
Abstract:
Disclosed are an electrophotographic toner and a method of preparing the same. The electrophotographic toner includes latex; a colorant; and a releasing agent. The absolute value of a differential value of complex viscosity with respect to temperature, ( η T ) of the electrophotographic toner in a temperature range of 100° C.-160° C. is in a range of about 0.03 to about 0.06, and complex viscosity (η) of the electrophotographic toner at 140° C. is in a range of about 1.0×102 Pa·s to about 6.0×102 Pa·s.
Abstract:
A method of preparing a resin composition of a toner and a toner composition having the same. The method of preparing the resin composition includes preparing a compound in which a double bond is introduced into a polyester by reacting the polyester with a double bond-containing compound, adding a first vinyl-based monomer to the polyester having the double bond, and polymerizing the first vinyl-based monomer and the polyester having the double bond.
Abstract:
A toner to develop an electrostatic charge image, a method of preparing the toner, a toner supply device employing the toner, an apparatus to form an image employing the toner, and a method of forming an image using the toner are provided. The toner includes a binder resin including a first type of binder resin having a first weight-average molecular weight and a second type of binder resin having a second weight-average molecular weight different than the first weight-average molecular weight, a colorant, and a releasing agent.