公开(公告)号：US09488925B2

公开(公告)日：2016-11-08

申请号：US14630783

申请日：2015-02-25

申请人： Ryuta Chiba ,  Shinya Nakayama ,  Tsuyoshi Sugimoto ,  Hiroshi Yamada ,  Susumu Chiba ,  Shinsuke Nagai ,  Hiroshi Yamashita ,  Masana Shiba

发明人： Ryuta Chiba ,  Shinya Nakayama ,  Tsuyoshi Sugimoto ,  Hiroshi Yamada ,  Susumu Chiba ,  Shinsuke Nagai ,  Hiroshi Yamashita ,  Masana Shiba

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/09

CPC分类号： G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/092

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°.

公开(公告)号：US20150253687A1

公开(公告)日：2015-09-10

申请号：US14630783

申请日：2015-02-25

申请人： Ryuta Chiba ,  Shinya Nakayama ,  Tsuyoshi Sugimoto ,  Hiroshi Yamada ,  Susumu Chiba ,  Shinsuke Nagai ,  Hiroshi Yamashita ,  Masana Shiba

发明人： Ryuta Chiba ,  Shinya Nakayama ,  Tsuyoshi Sugimoto ,  Hiroshi Yamada ,  Susumu Chiba ,  Shinsuke Nagai ,  Hiroshi Yamashita ,  Masana Shiba

IPC分类号： G03G9/00

CPC分类号： G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/092

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°.

摘要翻译： 用于电子照相的洋红色调色剂，包括：聚酯树脂; 和含有萘酚基颜料的着色剂，其中用于电子照相的品红色调色剂满足以下要求<1＆gt;＆lt; 2＆gt; [1] [G'（100）（THF不溶物）]为1.0×10 5 Pa〜1.0× 107Pa，[G'（40）（THF不溶物）]与[G'（100）（THF不溶物）]的比例为3.5×10以下，[G'（100）（THF 不溶物）]是调色剂的THF不溶物质和[G'（40）（THF不溶物））在100℃下的储能模量是40℃下的THF不溶性物质的储能模量 墨粉 和<2>结晶状态的萘酚基颜料的X射线衍射图案具有在0°＆lt; 1lE; 2＆amp; Thetas;＆amp; NlE; 35°的范围内的多个峰，并且峰的半值宽度的和 是5°至10°。

公开(公告)号：US09557671B2

公开(公告)日：2017-01-31

申请号：US14629954

申请日：2015-02-24

申请人： Ryuta Chiba ,  Shinya Nakayama ,  Hiroshi Yamada ,  Minoru Masuda ,  Akinori Saitoh ,  Hideyuki Santo ,  Shinsuke Nagai ,  Akihiro Takeyama ,  Hiroyuki Takeda ,  Tsuyoshi Sugimoto ,  Suzuka Amemori ,  Kohsuke Nagata

发明人： Ryuta Chiba ,  Shinya Nakayama ,  Hiroshi Yamada ,  Minoru Masuda ,  Akinori Saitoh ,  Hideyuki Santo ,  Shinsuke Nagai ,  Akihiro Takeyama ,  Hiroyuki Takeda ,  Tsuyoshi Sugimoto ,  Suzuka Amemori ,  Kohsuke Nagata

IPC分类号： G03G9/087 ,  G03G9/09

CPC分类号： G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0906

摘要： A toner, including: base particles containing a polyester resin, a colorant, and a release agent, wherein the toner has a glass transition temperature (Tg1st) of 20° C. to 50° C. where the glass transition temperature (Tg1st) is measured in first heating of differential scanning calorimetry (DSC) of the toner, wherein tetrahydrofuran (THF) insoluble matter of the toner has a glass transition temperature [Tg2nd (THF insoluble matter)] of 30° C. or lower where the glass transition temperature [Tg2nd (THF insoluble to matter)] is measured in second heating of differential scanning calorimetry (DSC) of the THF insoluble matter, and wherein 50% or less of the colorant is present within a region of 1,000 nm from a surface of each of the base particles toward a center thereof.

摘要翻译： 一种调色剂，包括：含有聚酯树脂，着色剂和脱模剂的基础颗粒，其中调色剂的玻璃化转变温度（Tg1st）为20℃至50℃，玻璃化转变温度（Tg1st）为 在调色剂的差示扫描量热法（DSC）的第一次加热中测量，其中调色剂的四氢呋喃（THF）不溶物质的玻璃化转变温度[Tg2nd（THF不溶物））为30℃或更低，其中玻璃化转变温度 在THF不溶性物质的差示扫描量热法（DSC）的第二次加热中测量[Tg2nd（THF不溶于物质）]，其中50％以下的着色剂存在于距离每个 基础颗粒朝向其中心。

公开(公告)号：US10088766B2

公开(公告)日：2018-10-02

申请号：US15538717

申请日：2015-11-30

申请人： Hideyuki Santo ,  Tsuyoshi Sugimoto ,  Shinya Nakayama ,  Suzuka Amemori ,  Hiroshi Yamada ,  Ryuta Chiba ,  Kohsuke Nagata

发明人： Hideyuki Santo ,  Tsuyoshi Sugimoto ,  Shinya Nakayama ,  Suzuka Amemori ,  Hiroshi Yamada ,  Ryuta Chiba ,  Kohsuke Nagata

IPC分类号： G03G9/097 ,  G03G9/087 ,  G03G9/08 ,  C01B33/44 ,  C01B33/40 ,  G03G9/09 ,  G03G5/147

摘要： A layered inorganic mineral including a surface treated with a fluorine-containing compound, where the layered inoganic mineral that can be favorably used for a toner that is excellent in high charging ability, charging stability, and low temperature fixing ability, and that can exhibits high reliability during cleaning.

公开(公告)号：US10859932B2

公开(公告)日：2020-12-08

申请号：US15522567

申请日：2015-10-08

申请人： Tsuyoshi Sugimoto ,  Shinya Nakayama ,  Hiroshi Yamada ,  Hideyuki Santo ,  Ryuta Chiba ,  Suzuka Amemori ,  Kohsuke Nagata

发明人： Tsuyoshi Sugimoto ,  Shinya Nakayama ,  Hiroshi Yamada ,  Hideyuki Santo ,  Ryuta Chiba ,  Suzuka Amemori ,  Kohsuke Nagata

IPC分类号： G03G9/087

摘要： A toner, including: a polyester resin, wherein the polyester resin has a structure represented by any one of formulas 1) to 3) below: 1) R1-(NHCONH-R2)n-, 2) R1-(NHCOO-R2)n-, and 3) R1-(OCONH-R2)n-, where n is 3 or more, R1 represents an aromatic organic group or an aliphatic organic group, and R2 represents a group derived from a resin that is polyester formed of polycarboxylic acid, polyol, or both thereof; or that is a modified polyester obtained by modifying polyester with isocyanate.

公开(公告)号：US20150261113A1

公开(公告)日：2015-09-17

申请号：US14629934

申请日：2015-02-24

申请人： Akihiro Takeyama ,  Shinya Nakayama ,  Hiroshi Yamada ,  Minoru Masuda ,  Akinori Saito ,  Hideyuki Santo ,  Ryuta Chiba ,  Hiroyuki Takeda

发明人： Akihiro Takeyama ,  Shinya Nakayama ,  Hiroshi Yamada ,  Minoru Masuda ,  Akinori Saito ,  Hideyuki Santo ,  Ryuta Chiba ,  Hiroyuki Takeda

IPC分类号： G03G9/00

CPC分类号： G03G9/09766 ,  G03G9/08753 ,  G03G9/08755 ,  G03G9/08759 ,  G03G9/08793 ,  G03G9/08797

摘要： A toner, wherein the toner satisfies a ratio XPS (%)/CIC (ppm) of 1.40×10−2 or less, where CIC (ppm) denotes a fluorine content ratio (ppm) determined by combustion ion chromatography and XPS (%) denotes a fluorine content ratio (%) determined by X-ray photoelectron spectroscopic analysis.

摘要翻译： 调色剂，其中调色剂满足1.40×10 -2以下的比率XPS（％）/ CIC（ppm），其中CIC（ppm）表示通过燃烧离子色谱法测定的氟含量比（ppm）和XPS（％） 表示通过X射线光电子能谱分析确定的氟含量比（％）。

公开(公告)号：US20130216944A1

公开(公告)日：2013-08-22

申请号：US13877108

申请日：2011-10-18

申请人： Masana Shiba ,  Ryuta Chiba ,  Tsuneyasu Nagatomo

发明人： Masana Shiba ,  Ryuta Chiba ,  Tsuneyasu Nagatomo

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/0819 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795

摘要： A toner contains a binder resin, a colorant, and a releasing agent, wherein the toner contains toner particles, and wherein a proportion of the toner particles containing one or more voids having diameters D1 of larger than 0.0 μm but 0.5 μm or smaller is more than 5.0% to 60%, and a proportion of the toner particles containing one or more voids having diameters D2 of 1.0 μm or larger is 10% or less.

摘要翻译： 调色剂含有粘合剂树脂，着色剂和脱模剂，其中调色剂含有调色剂颗粒，并且其中包含一个或多个直径D1大于0.0μm但为0.5μm或更小的空隙的调色剂颗粒的比例更多 5.0％以上60％以下，直径D2为1.0μm以上的一个或多个空隙的调色剂颗粒的比例为10％以下。

公开(公告)号：US09023570B2

公开(公告)日：2015-05-05

申请号：US13877108

申请日：2011-10-18

申请人： Masana Shiba ,  Ryuta Chiba ,  Tsuneyasu Nagatomo

发明人： Masana Shiba ,  Ryuta Chiba ,  Tsuneyasu Nagatomo

IPC分类号： G03G9/08 ,  G03G9/087

CPC分类号： G03G9/0819 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795

摘要： A toner contains a binder resin, a colorant, and a releasing agent, wherein the toner contains toner particles, and wherein a proportion of the toner particles containing one or more voids having diameters D1 of larger than 0.0 μm but 0.5 μm or smaller is more than 5.0% to 60%, and a proportion of the toner particles containing one or more voids having diameters D2 of 1.0 μm or larger is 10% or less.

摘要翻译： 调色剂含有粘合剂树脂，着色剂和脱模剂，其中调色剂含有调色剂颗粒，并且其中包含直径D1大于0.0μm但为0.5μm或更小的一个或多个空隙的调色剂颗粒的一部分更多 超过5.0％至60％，并且包含一个或多个直径D2为1.0μm或更大的空隙的调色剂颗粒的比例为10％以下。

公开(公告)号：US20110294058A1

公开(公告)日：2011-12-01

申请号：US13114426

申请日：2011-05-24

申请人： Masana SHIBA ,  Takahiro Honda ,  Tsuneyasu Nagatomo ,  Naohito Shimota ,  Ryuta Chiba

发明人： Masana SHIBA ,  Takahiro Honda ,  Tsuneyasu Nagatomo ,  Naohito Shimota ,  Ryuta Chiba

IPC分类号： G03G9/00 ,  G03G15/00 ,  G03G15/10 ,  G03G9/12 ,  G03G21/16

CPC分类号： G03G9/0804 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G2215/0604

摘要： A toner containing a wax, wherein the wax has a mass decrease at 165° C. of 10% by mass or less, a molecular chain consisting of C—H bonds and C—C bonds, and a penetration of 5 mm to 25 mm, wherein a product of a ½ method softening point (° C.) of the toner and an amount of the wax on a surface of the toner is 8 to 20, and wherein the toner is obtained by a method including emulsifying or dispersing in an aqueous medium a toner material liquid, which is a liquid containing a toner material, which contains the wax.

摘要翻译： 含有蜡的调色剂，其中蜡在165℃下的质量降低为10质量％以下，由C-H键和C-C键组成的分子链，并且穿透为5mm〜25mm 其中调色剂的1/2方法软化点（℃）和调色剂表面上的蜡的量的产物为8至20，并且其中所述调色剂通过包括乳化或分散在所述调色剂中的方法获得 水性介质是含有蜡的调色剂材料液体，其是含有调色剂材料的液体。

公开(公告)号：US08435716B2

公开(公告)日：2013-05-07

申请号：US13021236

申请日：2011-02-04

申请人： Masaki Watanabe ,  Osamu Uchinokura ,  Tsuneyasu Nagatomo ,  Takahiro Honda ,  Ryuta Chiba

发明人： Masaki Watanabe ,  Osamu Uchinokura ,  Tsuneyasu Nagatomo ,  Takahiro Honda ,  Ryuta Chiba

IPC分类号： G03G5/00

CPC分类号： G03G9/0806 ,  G03G9/0819 ,  G03G9/08755 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0904

摘要： A method for producing a toner, including: dispersing toner particles containing at least a binder resin in a first aqueous medium so as to produce an aqueous dispersion; and subjecting the aqueous dispersion to heat treatment, wherein the electric conductivity of the aqueous dispersion after the heat treatment is higher than the electric conductivity of the aqueous dispersion before the heat treatment by 50 μS/cm or less.

摘要翻译： 一种调色剂的制造方法，包括：将含有至少一种粘合剂树脂的调色剂颗粒分散在第一水性介质中以产生水分散体; 并对水分散体进行热处理，其中热处理后的水性分散体的电导率高于热处理前的水分散体的电导率为50μS/ cm以下。