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1. 发明授权

US09811016B2 Toner 有权
公开(公告)号：US09811016B2
公开(公告)日：2017-11-07
申请号：US15071981
申请日：2016-03-16
申请人： CANON KABUSHIKI KAISHA
发明人： Kenji Aoki , Tetsuya Kinumatsu , Yusuke Kosaki , Shuntaro Watanabe , Noritaka Toyoizumi , Takaaki Kaya , Atsushi Tani , Takashige Kasuya
IPC分类号： G03G9/087 , G03G9/093 , G03G9/08
CPC分类号： G03G9/09371 , G03G9/0821 , G03G9/08755
摘要： A toner comprising a toner particle comprising a binder resin that comprises a crystalline resin, wherein the toner satisfies the following formulas (1) and (2) in DSC measurement of the toner, 50.0≦Tt≦80.0 formula (1) 0.00≦ΔHT′t-3/ΔH≦0.20 formula (2) where Tt [° C.] is the peak temperature of the endothermic peak P1, ΔH [J/g] is the endothermic quantity from a temperature lower than T′t by 20.0° C. to a temperature higher than T′t by 10.0° C. when T′t [° C.] is the peak temperature of the endothermic peak P 2, and ΔH T′t-3 [J/g] is the endothermic quantity from a temperature lower than T′t by 20.0° C. to a temperature lower than T′t by 3.0° C.

2. 发明授权

US09798262B2 Method of producing toner 有权
公开(公告)号：US09798262B2
公开(公告)日：2017-10-24
申请号：US14973531
申请日：2015-12-17
申请人： CANON KABUSHIKI KAISHA
发明人： Noritaka Toyoizumi , Yusuke Kosaki , Tetsuya Kinumatsu , Kenji Aoki , Shuntaro Watanabe , Takaaki Kaya , Atsushi Tani , Kazumichi Nakahama , Shinnosuke Koji , Takashige Kasuya
IPC分类号： G03G9/08 , G03G9/093 , C08J3/12 , C08L67/02
CPC分类号： G03G9/09392 , C08J3/126 , C08J2367/02 , C08J2467/02 , C08J2483/06 , C08J2483/07 , C08L67/02 , G03G9/09328
摘要： Provided is a method of producing a toner including the steps of: mixing a resin solution comprising a resin R, a colorant, and an organic solvent, a resin fine particle comprising a resin S containing an element α, and carbon dioxide to form a droplet having a surface covered with the resin fine particle; introducing carbon dioxide in a liquid state and pressurizing to extract the organic solvent in the droplet; and removing the extracted organic solvent together with the carbon dioxide to provide a toner particle. In the method of producing a toner, when the resin fine particle is treated with the carbon dioxide in a liquid state, a change in amount of the element α on the surface of the resin fine particle after the treatment as compared to the amount before the treatment falls within a specific range.

3. 发明申请

US20160187797A1 RESIN PARTICLE AND METHOD OF PRODUCING THE RESIN PARTICLE, AND TONER AND METHOD OF PRODUCING THE TONER 有权
标题翻译：树脂颗粒和生产树脂颗粒的方法及其制备方法
公开(公告)号：US20160187797A1
公开(公告)日：2016-06-30
申请号：US14973521
申请日：2015-12-17
申请人： CANON KABUSHIKI KAISHA
发明人： Yusuke Kosaki , Tetsuya Kinumatsu , Kenji Aoki , Noritaka Toyoizumi , Shuntaro Watanabe , Takaaki Kaya , Atsushi Tani , Takashige Kasuya , Kazumichi Nakahama , Shinnosuke Koji
IPC分类号： G03G9/093 , G03G9/08
CPC分类号： G03G9/09371 , G03G9/0804 , G03G9/09392
摘要： Provided is a toner, comprising a toner particle having a core-shell structure composed of a core particle and a shell phase on a surface of the core particle, the core particle containing a resin X and a colorant, the shell phase being derived from a resin fine particle containing a resin Y, in which a relationship among a SP value of the resin X, a SP value of the resin Y, and a SP value of an organic solvent falls within a specific range, and a relationship between a number-average particle diameter of the resin fine particle when the resin fine particle is dispersed in water and a number-average particle diameter of the resin fine particle when the resin fine particle is dispersed in the organic solvent falls within a specific range.
摘要翻译：提供一种调色剂，其包含在核心颗粒的表面上具有由核心颗粒和壳相组成的核 - 壳结构的调色剂颗粒，所述核颗粒含有树脂X和着色剂，所述壳相衍生自树脂X的SP值与树脂Y的SP值与有机溶剂的SP值之间的关系落在特定范围内的树脂Y的树脂微粒，当树脂细颗粒分散在水中时树脂细颗粒的平均粒径和当树脂细颗粒分散在有机溶剂中时树脂细颗粒的数均粒径落在特定范围内。

4. 发明授权

US10078280B2 Methods for producing toner particle and producing resin particle 有权
公开(公告)号：US10078280B2
公开(公告)日：2018-09-18
申请号：US15623161
申请日：2017-06-14
申请人： CANON KABUSHIKI KAISHA
发明人： Kenji Aoki , Yusuke Kosaki , Noritaka Toyoizumi , Tetsuya Kinumatsu , Toshifumi Mori , Sakae Suda , Shinnosuke Koji , Shuntaro Watanabe , Kazumichi Nakahama , Atsushi Tani , Takashige Kasuya
IPC分类号： G03G9/08 , G03G9/087 , C08F230/08
CPC分类号： G03G9/0815 , C08F230/08 , C08L33/04 , G03G9/0804 , G03G9/0819 , G03G9/08711 , G03G9/08755 , G03G9/08795 , G03G9/08797 , C08L83/00
摘要： A method for producing a toner particle include: (a) mixing a binder resin A, resin fine particles containing a resin B, a resin C, an organic solvent, and carbon dioxide, thereby forming a droplet of a resin solution containing the binder resin A, covered with the resin fine particles; (b) applying a pressure by introducing carbon dioxide, thereby precipitating the resin C at the surface of the droplet; and (c) passing carbon dioxide so as to remove the organic solvent from the droplet with the carbon dioxide. The resin C has an organic polysiloxane structure and a weight average molecular weight of 50,000 to 500,000. The ratio of the weight average molecular weight to the number average molecular weight of the resin C is not more than 5.0. The proportion of the resin C to the rein fine particles is 5.0% by mass to 50.0% by mass.

5. 发明申请

US20170363979A1 METHODS FOR PRODUCING TONER PARTICLE AND PRODUCING RESIN PARTICLE 审中-公开
公开(公告)号：US20170363979A1
公开(公告)日：2017-12-21
申请号：US15623161
申请日：2017-06-14
申请人： CANON KABUSHIKI KAISHA
发明人： Kenji Aoki , Yusuke Kosaki , Noritaka Toyoizumi , Tetsuya Kinumatsu , Toshifumi Mori , Sakae Suda , Shinnosuke Koji , Shuntaro Watanabe , Kazumichi Nakahama , Atsushi Tani , Takashige Kasuya
IPC分类号： G03G9/08 , C08F230/08 , G03G9/087
CPC分类号： G03G9/0815 , C08F230/08 , C08L33/04 , G03G9/0804 , G03G9/0819 , G03G9/08711 , G03G9/08755 , G03G9/08795 , G03G9/08797 , C08L83/00
摘要： A method for producing a toner particle include: (a) mixing a binder resin A, resin fine particles containing a resin B, a resin C, an organic solvent, and carbon dioxide, thereby forming a droplet of a resin solution containing the binder resin A, covered with the resin fine particles; (b) applying a pressure by introducing carbon dioxide, thereby precipitating the resin C at the surface of the droplet; and (c) passing carbon dioxide so as to remove the organic solvent from the droplet with the carbon dioxide. The resin C has an organic polysiloxane structure and a weight average molecular weight of 50,000 to 500,000. The ratio of the weight average molecular weight to the number average molecular weight of the resin C is not more than 5.0. The proportion of the resin C to the rein fine particles is 5.0% by mass to 50.0% by mass.

6. 发明授权

US09625844B2 Toner 有权
公开(公告)号：US09625844B2
公开(公告)日：2017-04-18
申请号：US14250328
申请日：2014-04-10
申请人： CANON KABUSHIKI KAISHA
发明人： Takaaki Kaya , Tetsuya Kinumatsu , Toshifumi Mori , Ayako Okamoto , Kenji Aoki , Shuntaro Watanabe , Atsushi Tani , Takashige Kasuya
IPC分类号： G03G9/00 , G03G9/087 , G03G9/08
CPC分类号： G03G9/08764 , G03G9/0802 , G03G9/0804 , G03G9/0821 , G03G9/08755 , G03G9/08782 , G03G9/08788 , G03G9/08795 , G03G9/08797
摘要： Provided is a toner containing toner particles, each of which includes a binder resin containing a polyester as a main component, a colorant, and a wax, in which the binder resin includes a block polymer in which a segment capable of forming a crystalline structure and a segment incapable of forming a crystalline structure are bonded, the toner has a maximum endothermic peak from the binder resin, as determined by differential scanning calorimetry measurement, with a peak temperature in a specific range and with an endothermic quantity in a specific range, and the wax is an ester wax having a functionality of 3 or more.

7. 发明申请

US20140356777A1 TONER 有权
标题翻译：托尼
公开(公告)号：US20140356777A1
公开(公告)日：2014-12-04
申请号：US14361276
申请日：2012-11-28
申请人： CANON KABUSHIKI KAISHA
发明人： Atsushi Tani , Toshifumi Mori , Takaaki Kaya , Tetsuya Kinumatsu , Kenji Aoki , Shuntaro Watanabe , Yoshihiro Nakagawa , Takashige Kasuya
IPC分类号： G03G9/093
CPC分类号： G03G9/09321 , G03G9/09328 , G03G9/09357 , G03G9/09371 , G03G9/09392
摘要： A toner having good low-temperature fixability, charge stability, environmental stability, and durability and capable of stably producing high-quality images for a long time is provided. The toner includes a toner particle having a core-shell structure constituted of a core and a shell phase. The core contains a binder resin, a colorant, and wax, and the shell phase contains a resin A. The resin A is a comb polymer including a main chain portion (X), a side chain portion (Y), and a side chain portion (Z). The main chain portion (X) is a vinyl polymer, the side chain portion (Y) has an aliphatic polyester structure and has an ester group concentration of a polyester segment of 6.5 mmol/g or less, and the side chain portion (Z) has an organic polysiloxane structure and has an average number of Si—O bond repeating units of a siloxane segment of 2 or more and 100 or less.
摘要翻译：提供了具有良好的低温定影性，电荷稳定性，环境稳定性和耐久性并且能够长时间稳定地生产高品质图像的调色剂。调色剂包括具有由芯和壳相构成的核 - 壳结构的调色剂颗粒。芯包含粘合剂树脂，着色剂和蜡，壳相含有树脂A.树脂A是包括主链部分（X），侧链部分（Y）和侧链的梳状聚合物部分（Z）。主链部（X）是乙烯基聚合物，侧链部（Y）具有脂肪族聚酯结构，聚酯链段的酯基浓度为6.5mmol / g以下，侧链部（Z）具有有机聚硅氧烷结构，并且硅氧烷链段的Si-O键重复单元的平均数为2以上且100以下。

8. 发明申请

US20140220486A1 TONER 审中-公开
标题翻译：托尼
公开(公告)号：US20140220486A1
公开(公告)日：2014-08-07
申请号：US14250328
申请日：2014-04-10
申请人： CANON KABUSHIKI KAISHA
发明人： Takaaki Kaya , Tetsuya Kinumatsu , Toshifumi Mori , Ayako Okamoto , Kenji Aoki , Shuntaro Watanabe , Atsushi Tani , Takashige Kasuya
IPC分类号： G03G9/087
CPC分类号： G03G9/08764 , G03G9/0802 , G03G9/0804 , G03G9/0821 , G03G9/08755 , G03G9/08782 , G03G9/08788 , G03G9/08795 , G03G9/08797
摘要： Provided is a toner containing toner particles, each of which includes a binder resin containing a polyester as a main component, a colorant, and a wax, in which the binder resin includes a block polymer in which a segment capable of forming a crystalline structure and a segment incapable of forming a crystalline structure are bonded, the toner has a maximum endothermic peak from the binder resin, as determined by differential scanning calorimetry measurement, with a peak temperature in a specific range and with an endothermic quantity in a specific range, and the wax is an ester wax having a functionality of 3 or more.
摘要翻译：提供一种含有调色剂颗粒的调色剂颗粒，每个调色剂颗粒包括含有聚酯作为主要成分的粘合剂树脂，着色剂和蜡，其中粘合剂树脂包括嵌段聚合物，其中能形成结晶结构的链段和不能形成结晶结构的片段，通过差示扫描量热法测定，调色剂具有来自粘合剂树脂的最大吸热峰，峰值温度在特定范围内，吸热量在特定范围内，以及蜡是官能度为3以上的酯蜡。

9. 发明授权

US09823595B2 Toner 有权
公开(公告)号：US09823595B2
公开(公告)日：2017-11-21
申请号：US15176520
申请日：2016-06-08
申请人： CANON KABUSHIKI KAISHA
发明人： Noritaka Toyoizumi , Yusuke Kosaki , Tetsuya Kinumatsu , Kenji Aoki , Shuntaro Watanabe , Takaaki Kaya , Atsushi Tani , Takashige Kasuya
IPC分类号： G03G9/093
CPC分类号： G03G9/09321 , G03G9/09328 , G03G9/09342 , G03G9/09378
摘要： Provided is a toner including toner particle, the toner particle having a core-shell structure having: a core containing a core resin, a colorant, and a wax; and a shell layer containing a resin “A” on a surface of the core, in which: the resin “A” contains a segment having an organopolysiloxane structure; the toner particle has an amount of Si derived from the organopolysiloxane structure of 6.0 or more and 10.0 or less, the amount of Si being measured by X-ray photoelectron spectroscopy; the resin “A” is a polymer of a monomer composition containing a monomer “a” having two or more polymerizable unsaturated groups in one molecule thereof; and the monomer “a” satisfies the following formula (1). (Xa−1.0)×Ya≧3.0×10−5 (1)

10. 发明授权

US09798256B2 Method of producing toner 有权
公开(公告)号：US09798256B2
公开(公告)日：2017-10-24
申请号：US15178333
申请日：2016-06-09
申请人： CANON KABUSHIKI KAISHA
发明人： Yusuke Kosaki , Noritaka Toyoizumi , Tetsuya Kinumatsu , Kenji Aoki , Shuntaro Watanabe , Takaaki Kaya , Atsushi Tani , Takashige Kasuya
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/0806 , G03G9/0804 , G03G9/08755 , G03G9/08773 , G03G9/08795 , G03G9/08797
摘要： A method of producing a toner includes preparing a resin solution containing a binder resin, a colorant and an organic solvent; forming a droplet, a surface of the droplet being covered with a resin fine particle L1; introducing a resin fine particle L2; pressuring by introducing carbon dioxide, and extracting the organic solvent in the droplet; and obtaining the toner particle by removing the carbon dioxide together with the extracted organic solvent, wherein the SP value of the resin R1 constituting the resin fine particle L1 and the SP value of the resin R2 constituting the resin fine particle L2 are each within a specific range.

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