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公开(公告)号：US20180321606A1
公开(公告)日：2018-11-08
申请号：US16031490
申请日：2018-07-10
申请人： Koh OHNUMA , Tsuyoshi Sugimoto , Shinya Nakayama , Hideyuki Santo , Shin Hasegawa , Suzuka Karato , Kohsuke Nagata
发明人： Koh OHNUMA , Tsuyoshi Sugimoto , Shinya Nakayama , Hideyuki Santo , Shin Hasegawa , Suzuka Karato , Kohsuke Nagata
摘要： Provided is a toner including a crystalline polyester resin including a constitutional unit derived from saturated aliphatic dicarboxylic acid and a constitutional unit derived from saturated aliphatic diol, an amorphous hybrid resin, an amorphous polyester resin, a release agent, and a colorant, wherein the crystalline polyester resin includes a constitutional unit derived from sebacic acid as the constitutional unit derived from the saturated aliphatic dicarboxylic acid, and the amorphous hybrid resin is a composite resin including a polyester-based resin unit and a styrene-based resin unit.
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公开(公告)号：US10670980B2
公开(公告)日：2020-06-02
申请号：US16031490
申请日：2018-07-10
申请人： Koh Ohnuma , Tsuyoshi Sugimoto , Shinya Nakayama , Hideyuki Santo , Shin Hasegawa , Suzuka Karato , Kohsuke Nagata
发明人： Koh Ohnuma , Tsuyoshi Sugimoto , Shinya Nakayama , Hideyuki Santo , Shin Hasegawa , Suzuka Karato , Kohsuke Nagata
摘要： Provided is a toner including a crystalline polyester resin including a constitutional unit derived from saturated aliphatic dicarboxylic acid and a constitutional unit derived from saturated aliphatic diol, an amorphous hybrid resin, an amorphous polyester resin, a release agent, and a colorant, wherein the crystalline polyester resin includes a constitutional unit derived from sebacic acid as the constitutional unit derived from the saturated aliphatic dicarboxylic acid, and the amorphous hybrid resin is a composite resin including a polyester-based resin unit and a styrene-based resin unit.
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公开(公告)号：US09639016B2
公开(公告)日：2017-05-02
申请号：US15051195
申请日：2016-02-23
申请人： Tsuyoshi Sugimoto , Shinya Nakayama , Hiroshi Yamada , Hideyuki Santo , Shin Hasegawa , Suzuka Karato , Kohsuke Nagata , Koh Ohnuma
发明人： Tsuyoshi Sugimoto , Shinya Nakayama , Hiroshi Yamada , Hideyuki Santo , Shin Hasegawa , Suzuka Karato , Kohsuke Nagata , Koh Ohnuma
CPC分类号： G03G9/08755 , C08G18/4219 , C08G18/4247 , C08G18/755 , C08L67/00 , C08G18/10 , C08G18/3253
摘要： A toner includes a polyester resin including a polyester resin component A (A) insoluble in tetrahydrofuran; and a polyester resin component B (B) soluble in tetrahydrofuran. The toner has a first glass transition temperature (Tg1st) of from 20° C. to 50° C., measured at a first temperature rising in differential scanning calorimetry (DSC), and satisfies the following formulae (1) and (2): T=1/{a/(TgA+273)+b/(TgB+273)}−273 (1) T−TgAB>30×a (2) wherein a and b represent weight ratios of (A) and (B) to a total weight of (A) and (B), and satisfy the equation a+b=1; and TgA, TgB and TgAB represent second glass transition temperatures (Tg2nd), measured at a second temperature rising in differential scanning calorimetry, of (A), (B), and a mixture of (A) and (B), respectively.
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公开(公告)号：US10073366B2
公开(公告)日：2018-09-11
申请号：US15622755
申请日：2017-06-14
申请人： Kohsuke Nagata , Ryuuta Yoshida , Shinya Nakayama , Tsuyoshi Sugimoto , Akinori Saitoh , Hideyuki Santo , Suzuka Karato , Koh Ohnuma , Takahiro Kadota , Shinsuke Nagai , Akihiro Takeyama
发明人： Kohsuke Nagata , Ryuuta Yoshida , Shinya Nakayama , Tsuyoshi Sugimoto , Akinori Saitoh , Hideyuki Santo , Suzuka Karato , Koh Ohnuma , Takahiro Kadota , Shinsuke Nagai , Akihiro Takeyama
CPC分类号： G03G9/08708 , G03G9/0804 , G03G9/0815 , G03G9/0821 , G03G9/0825 , G03G9/08755 , G03G9/08793 , G03G9/08795 , G03G9/08797 , G03G9/0904 , G03G15/0865
摘要： A toner is provided. The toner includes an amorphous resin, a crystalline resin dispersed in the amorphous resin, and a release agent. The toner satisfies the following inequality: B/A
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公开(公告)号：US09753387B2
公开(公告)日：2017-09-05
申请号：US15152963
申请日：2016-05-12
申请人： Shin Hasegawa , Tsuyoshi Sugimoto , Hideyuki Santo , Koh Ohnuma , Kohsuke Nagata , Suzuka Karato
发明人： Shin Hasegawa , Tsuyoshi Sugimoto , Hideyuki Santo , Koh Ohnuma , Kohsuke Nagata , Suzuka Karato
CPC分类号： G03G9/08755 , G03G9/0804 , G03G9/0825 , G03G15/0126
摘要： A toner includes a base particle including a polyester resin and a colorant. A sea-island structure is observed by a transmission electron microscope (TEM) in a cross-sectional image of the toner. The island structure includes the colorant and has an average diameter of from 0.2 μm to 1.0 μm, and the number of the island structure is from 5 to 30.
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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.
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7.发明授权Electrostatic image developing toner, developer, and image forming apparatus 有权静电图像显影调色剂，显影剂和图像形成装置公开(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
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。
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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
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.
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9.发明申请公开(公告)号：US20150248070A1
公开(公告)日：2015-09-03
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： G03G9/00
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。
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公开(公告)号：US08822118B2
公开(公告)日：2014-09-02
申请号：US13783810
申请日：2013-03-04
申请人： Atsushi Yamamoto , Shinya Nakayama , Hideyuki Santo , Suzuka Amemori , Shingo Sakashita , Masahide Yamada
发明人： Atsushi Yamamoto , Shinya Nakayama , Hideyuki Santo , Suzuka Amemori , Shingo Sakashita , Masahide Yamada
CPC分类号： G03G9/08755 , G03G9/0806 , G03G9/0821 , G03G9/0825 , G03G9/08764 , G03G9/08782 , G03G9/08788 , G03G9/08793 , G03G9/08795 , G03G9/08797
摘要： Toner containing a binder resin that contains at least one kind of resin having a crystalline polyester unit as its main component and a releasing agent containing a straight-chain mono ester having 48 or more carbon atoms accounting for 40% by weight or more of the releasing agent.
摘要翻译： 含有至少一种具有结晶性聚酯单元作为主要成分的树脂的粘合剂树脂和包含具有48个或更多个碳原子的直链单酯的脱模剂占释放量的40重量％以上 代理商
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