Toner, image forming apparatus, image forming method, and toner stored unit

    公开(公告)号:US10310399B2

    公开(公告)日:2019-06-04

    申请号:US15536531

    申请日:2015-11-26

    IPC分类号: G03G9/08 G03G9/087 G03G15/08

    摘要: Provided is a toner including at least a binder resin, and having peak ratio W/R of from 0.20 to 0.70 when measured with FT-IR according to ATR method, W/R being a ratio of height W of maximum spectral peak attributed to bisphenol A skeleton of the toner and observed at from 1,480 cm−1 to 1,520 cm−1 to height R of maximum spectral peak attributed to carbonyl group of the toner and observed at from 1,700 cm−1 to 1,750 cm−1, wherein molecular weight distribution of the toner obtained by GPC of THF-soluble component of the toner has main peak in a range of from 1,000 to 10,000, half value width of the molecular weight distribution is a molecular weight of 20,000 or less, and content of a THF-insoluble component in the toner is from 5% by mass to 40% by mass.

    TONER FOR ELECTROPHOTOGRAPHY AND PROCESS FOR PRODUCING THE SAME
    4.
    发明申请
    TONER FOR ELECTROPHOTOGRAPHY AND PROCESS FOR PRODUCING THE SAME 有权
    电子摄影用调色剂及其制造方法

    公开(公告)号:US20100239971A1

    公开(公告)日:2010-09-23

    申请号:US12676546

    申请日:2008-09-03

    IPC分类号: G03G9/08

    摘要: A toner for electrophotography includes toner particles containing at least a binder resin and a colorant, to which strontium titanate and hydrophobic silica as external additives are admixed, wherein the strontium titanate has a BET specific surface area of 20-50 m2/g and contains particles in a rectangular parallelepiped shape and wherein the hydrophobic silica contains hydrophobic silica A that has at least a BET specific surface area of 150-300 m2/g and the surface of which has been treated with an aminosilane and hexamethyldisilazane and hydrophobic silica B that has at least a BET specific surface area of 90-150 m2/g and the surface of which has been treated with hexamethyldisilazane.

    摘要翻译: 用于电子照相的调色剂包括至少含有粘合剂树脂和着色剂的调色剂颗粒,其中混合钛酸锶和疏水性二氧化硅作为外部添加剂,其中钛酸锶的BET比表面积为20-50m 2 / g,并含有颗粒 其中所述疏水性二氧化硅含有至少具有150-300m 2 / g的BET比表面积的表面用氨基硅烷和六甲基二硅氮烷处理的疏水性二氧化硅A和疏水性二氧化硅B,所述疏水性二氧化硅A具有 最小BET比表面积为90-150m2 / g,其表面用六甲基二硅氮烷处理。

    Toner for developing electrostatic charge images
    5.
    发明授权
    Toner for developing electrostatic charge images 失效
    用于显影静电荷图像的调色剂

    公开(公告)号:US07754407B2

    公开(公告)日:2010-07-13

    申请号:US10594474

    申请日:2005-03-24

    申请人: Tohru Moriya

    发明人: Tohru Moriya

    IPC分类号: G03G9/087

    摘要: A toner for developing electrostatic charge images in which offset phenomenon and winding phenomenon do not occur in a wide temperature range, even if the binding resin contains the alicyclic olefinic resin, that is, a toner for developing electrostatic charge images which is superior in fixability in a high temperature range, and which is superior in melt contamination resistance, is provided.In the toner for developing electrostatic charge images comprises at least binder resin and colorant, the binding resin containing alicyclic olefinic resin (A) and thermoplastic elastomer (B). It is preferable that the alicyclic olefinic resin (A) be a copolymer comprising cyclic olefin (A1) and an acyclic unsaturated monomer (A2) as an element. Additionally, it is preferable that the melting point of the thermoplastic elastomer (B) be 60 to 190° C.

    摘要翻译: 即使粘合树脂含有脂环族烯烃树脂,即静电荷图像显影用调色剂,其定影性优异的静电荷图像的调色剂,其中偏移现象和卷绕现象在宽的温度范围内不会发生, 提供了耐高温性,耐熔融性优异的优点。 在用于显影静电荷图像的调色剂中至少包含粘合剂树脂和着色剂,所述粘合树脂含有脂环烯烃树脂(A)和热塑性弹性体(B)。 脂环族烯烃树脂(A)优选为包含环状烯烃(A1)和非环状不饱和单体(A2)作为元素的共聚物。 另外,热塑性弹性体(B)的熔点优选为60〜190℃。

    Toner for developing electrostatic charge images
    6.
    发明申请
    Toner for developing electrostatic charge images 失效
    用于显影静电荷图像的调色剂

    公开(公告)号:US20070134582A1

    公开(公告)日:2007-06-14

    申请号:US10594474

    申请日:2005-03-24

    申请人: Tohru Moriya

    发明人: Tohru Moriya

    IPC分类号: G03G9/087

    摘要: A toner for developing electrostatic charge images in which offset phenomenon and winding phenomenon do not occur in a wide temperature range, even if the binding resin contains the alicyclic olefinic resin, that is, a toner for developing electrostatic charge images which is superior in fixability in a high temperature range, and which is superior in melt contamination resistance, is provided. In the toner for developing electrostatic charge images comprises at least binder resin and colorant, the binding resin containing alicyclic olefinic resin (A) and thermoplastic elastomer (B). It is preferable that the alicyclic olefinic resin (A) be a copolymer comprising cyclic olefin (A1) and an acyclic unsaturated monomer (A2) as an element. Additionally, it is preferable that the melting point of the thermoplastic elastomer (B) be 60 to 190° C.

    摘要翻译: 即使粘合树脂含有脂环族烯烃树脂,即静电荷图像显影用调色剂,其定影性优异的静电荷图像的调色剂,其中偏移现象和卷绕现象在宽的温度范围内不会发生, 提供了耐高温性,耐熔融性优异的优点。 在用于显影静电荷图像的调色剂中至少包含粘合剂树脂和着色剂,所述粘合树脂含有脂环烯烃树脂(A)和热塑性弹性体(B)。 脂环族烯烃树脂(A)优选为以环状烯烃(A1)和非环状不饱和单体(A2)为元素的共聚物。 另外,热塑性弹性体(B)的熔点优选为60〜190℃。

    Toner for electrophotography and process for producing the same
    7.
    发明授权
    Toner for electrophotography and process for producing the same 有权
    电子照相用调色剂及其制造方法

    公开(公告)号:US08232036B2

    公开(公告)日:2012-07-31

    申请号:US12676546

    申请日:2008-09-03

    IPC分类号: G03G9/00

    摘要: A toner for electrophotography includes toner particles containing at least a binder resin and a colorant, to which strontium titanate and hydrophobic silica as external additives are admixed, wherein the strontium titanate has a BET specific surface area of 20-50 m2/g and contains particles in a rectangular parallelepiped shape and wherein the hydrophobic silica contains hydrophobic silica A that has at least a BET specific surface area of 150-300 m2/g and the surface of which has been treated with an aminosilane and hexamethyldisilazane and hydrophobic silica B that has at least a BET specific surface area of 90-150 m2/g and the surface of which has been treated with hexamethyldisilazane.

    摘要翻译: 用于电子照相的调色剂包括至少含有粘合剂树脂和着色剂的调色剂颗粒,其中混合钛酸锶和疏水性二氧化硅作为外部添加剂,其中钛酸锶的BET比表面积为20-50m 2 / g,并含有颗粒 其中所述疏水性二氧化硅含有至少具有150-300m 2 / g的BET比表面积的表面用氨基硅烷和六甲基二硅氮烷处理的疏水性二氧化硅A和疏水性二氧化硅B,所述疏水性二氧化硅A具有 最小BET比表面积为90-150m2 / g,其表面用六甲基二硅氮烷处理。

    TONER FOR DEVELOPING ELECTROSTATIC IMAGE AND PROCESS FOR PRODUCING THE SAME
    8.
    发明申请
    TONER FOR DEVELOPING ELECTROSTATIC IMAGE AND PROCESS FOR PRODUCING THE SAME 审中-公开
    用于开发静电图像的调色剂及其制造方法

    公开(公告)号:US20090181317A1

    公开(公告)日:2009-07-16

    申请号:US11576314

    申请日:2005-09-29

    申请人: Tohru Moriya

    发明人: Tohru Moriya

    IPC分类号: G03G9/087 G03G9/00

    摘要: Toner for developing an electrostatic image which hardly causes an offset phenomenon and a wrapping phenomenon and which excels in anti-fusing property, and the production process thereof is provided. The toner for developing an electrostatic image contains at least a binder resin and a colorant, in which the binder resin contains an amorphous resin and a crystalline resin, and an endothermal peak having an onset temperature of a starting point ranging from 100 to 150° C., an onset temperature of an end point ranging from 150 to 200° C., and a half value width ranging from 10 to 40° C. is present in a DSC curve while elevating the temperature measured by a differential scanning calorimeter of the toner. This toner can be produced by performing a heat-melt kneading at the temperature defined as T (° C.) having the range specified by the following formula: (Tm−20)≦T≦(Tm+30), in which the formula, Tm represents the melting point (° C.) of said crystalline resin. And the toner has at least one maximum peak a within a temperature range of 150 to 250° C. and at least one maximum peak β within a temperature range of 50 to 150° C. in the temperature dependency curve of the tangent of the loss angle (tan δ) according to dynamic viscoelasticity measurement.

    摘要翻译: 用于显影几乎不产生胶印现象和缠绕现象并且具有优异的抗熔融性能的静电图像的调色剂及其制备方法。 用于显影静电图像的调色剂至少含有粘合剂树脂和着色剂,其中粘合剂树脂含有无定形树脂和结晶树脂,起始温度为起始温度为100-150℃的吸热峰 在DSC曲线中存在150至200℃的终点的起始温度和10至40℃的半值宽度,同时升高由差示扫描量热计测量的调色剂的温度 。 该调色剂可以通过以下式定义的温度T(℃)进行热熔混炼来制造:(Tm-20)<= T <=(Tm + 30),其中 式中,Tm表示所述结晶性树脂的熔点(℃)。 并且调色剂在150至250℃的温度范围内具有至少一个最大峰值a和在50至150℃的温度范围内的至少一个最大峰值β,在损耗的切线的温度依赖性曲线中 根据动态粘弹性测量的角度(tanδ)。