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1. 发明申请

US20220171302A1 TONER 有权
公开(公告)号：US20220171302A1
公开(公告)日：2022-06-02
申请号：US17524353
申请日：2021-11-11
申请人： CANON KABUSHIKI KAISHA
发明人： Kazuyuki Sato , Tomohisa Sano , Daisuke Yoshiba , Tohru Hiramatsu
IPC分类号： G03G9/08 , G03G9/087 , G03G9/097 , G03G9/083
摘要： The toner is a toner including a toner particle comprising a binder resin, a crystalline material, wherein, when a ratio of an area occupied by the crystalline material in a toner surface observed with a scanning electron microscope after ruthenium-staining the toner under a specific condition (1) is represented by S1 (%), a ratio of an area occupied by the crystalline material in the toner surface observed with the scanning electron microscope after ruthenium-staining the toner under a condition (2) is represented by S2 (%), and a dispersion diameter of a plurality of domains formed of the crystalline material on the toner surface observed with the scanning electron microscope after the ruthenium-staining the toner under the condition (2) is represented by R2 (nm), the following expressions (1), (2), and (3) are satisfied. 0 . 0 ≤ S 1 ≤ 0.5 ( 1 ) 1.0 ≤ S 2 ≤ 10.0 ( 2 ) 20 ≤ R 2 ≤ 200 ( 3 )

2. 发明申请

US20220026823A1 TONER 有权
公开(公告)号：US20220026823A1
公开(公告)日：2022-01-27
申请号：US17377488
申请日：2021-07-16
申请人： CANON KABUSHIKI KAISHA
发明人： Tomohisa Sano , Kazuyuki Sato
IPC分类号： G03G9/093
摘要： A toner comprising a toner particle comprising a core particle comprising a binder resin and a diester wax, and a shell on a surface of the core particle, wherein the following formulas (1) and (2) are satisfied, where Sp is a partition coefficient of the shell and Wp is a partition coefficient of the diester wax: Sp≤0.40 (1), and 16.00≤Wp−Sp≤20.00 (2).

3. 发明授权

US11181844B2 Toner and method of producing toner 有权
公开(公告)号：US11181844B2
公开(公告)日：2021-11-23
申请号：US16880017
申请日：2020-05-21
申请人： CANON KABUSHIKI KAISHA
发明人： Tomoya Nagaoka , Daisuke Yoshiba , Kazuyuki Sato , Yuta Komiya , Tomohisa Sano , Takashi Matsui
IPC分类号： G03G9/08 , G03G9/097 , G03G9/087
摘要： A toner including a toner particle that contains a binder resin and inorganic fine particles, wherein the binder resin contains a polymer A that includes a first monomer unit derived from a first polymerizable monomer and a second monomer unit derived from a second polymerizable monomer that is different from the first polymerizable monomer; the first polymerizable monomer is at least one selected from the group consisting of (meth)acrylate esters having an alkyl group having 18 to 36 carbons; the SP value of the first monomer unit and the SP value of the second monomer unit satisfy a specified relationship; each of the inorganic fine particles contains a substrate containing at least one inorganic element selected from metal elements and metalloid elements, and a coating layer; and the coating layer has a specified structure.

4. 发明授权

US09841692B2 Toner 有权
公开(公告)号：US09841692B2
公开(公告)日：2017-12-12
申请号：US15256780
申请日：2016-09-06
申请人： CANON KABUSHIKI KAISHA
发明人： Yusuke Hasegawa , Tomohisa Sano , Yoshitaka Suzumura , Kozue Uratani , Yuujirou Nagashima
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/0821 , G03G9/0825 , G03G9/08711 , G03G9/08755 , G03G9/08782 , G03G9/08797
摘要： Provided is a toner having a toner particle that contains a binder resin, a colorant, a wax, and a crystalline polyester, wherein two or more peak tops for crystallization peaks are present in a temperature range from 40° C. to 80° C. in a first DSC curve obtained by a process or cooling the toner from 100° C. to 20° C. at 0.5° C./min, and using ΔH(0.5) for the exothermic quantity for the peak on the lowest temperature side of these crystallization peaks and using ΔH(100) for the exothermic quantity of the crystallization peak on the lowest temperature side in a second DSC curve obtained by a process of cooling the toner from 100° C. to 20° C. at 100° C./min, the ratio [ΔH(100)/ΔH(0.5)] is at least 2.0 and not more than 6.0.

5. 发明申请

US20150064617A1 TONER 有权
标题翻译：托尼
公开(公告)号：US20150064617A1
公开(公告)日：2015-03-05
申请号：US14476325
申请日：2014-09-03
申请人： CANON KABUSHIKI KAISHA
发明人： Michihisa Magome , Tomohisa Sano , Kozue Uratani
IPC分类号： G03G9/08
CPC分类号： G03G9/08782 , G03G9/08797 , G03G9/09328 , G03G9/09364
摘要： A toner has toner particles including a binder resin, a colorant, an ester wax and a hydrocarbon wax; and inorganic fine particles. The ester wax includes an ester compound having a structure represented by formula (1): R1—CO—O—(CH2)x—O—OC—R2; or formula (2): R3—O—OC—(CH2)x—CO—O—R4. The ester wax includes an ester compound having a highest abundance rate in an amount of 40% to 80% by mass with respect to a total amount of the ester wax in a composition distribution. The ester wax has, in differential scanning calorimetry, a peak top temperature of an endothermic peak of 65° C. to 80° C. In differential scanning calorimetry, the toner has only one endothermic peak derived from the waxes. A relationship: 3.0≦(Tw−Tt)≦8.0 is satisfied.
摘要翻译：调色剂具有包括粘合剂树脂，着色剂，酯蜡和烃蜡的调色剂颗粒; 和无机细颗粒。酯蜡包括具有由式（1）表示的结构的酯化合物：R1-CO-O-（CH2）x-O-OC-R2; 或式（2）：R3-O-OC-（CH2）x-CO-O-R4。酯蜡包括相对于组合物分布中的酯蜡的总量，其最高丰度率为40〜80质量％的酯化合物。酯蜡在差示扫描量热法中具有65℃至80℃的吸热峰的顶峰温度。在差示扫描量热法中，调色剂仅具有一个衍生自蜡的吸热峰。关系：3.0＆nlE;（Tw-Tt）＆nlE; 8.0。

6. 发明申请

US20200379363A1 TONER AND METHOD OF PRODUCING TONER 审中-公开
公开(公告)号：US20200379363A1
公开(公告)日：2020-12-03
申请号：US16880017
申请日：2020-05-21
申请人： CANON KABUSHIKI KAISHA
发明人： Tomoya Nagaoka , Daisuke Yoshiba , Kazuyuki Sato , Yuta Komiya , Tomohisa Sano , Takashi Matsui
IPC分类号： G03G9/097 , G03G9/087 , G03G9/08
摘要： A toner including a toner particle that contains a binder resin and inorganic fine particles, wherein the binder resin contains a polymer A that includes a first monomer unit derived from a first polymerizable monomer and a second monomer unit derived from a second polymerizable monomer that is different from the first polymerizable monomer; the first polymerizable monomer is at least one selected from the group consisting of (meth)acrylate esters having an alkyl group having 18 to 36 carbons; the SP value of the first monomer unit and the SP value of the second monomer unit satisfy a specified relationship; each of the inorganic fine particles contains a substrate containing at least one inorganic element selected from metal elements and metalloid elements, and a coating layer; and the coating layer has a specified structure.

7. 发明申请

US20190011846A1 MAGNETIC TONER AND IMAGE-FORMING METHOD 审中-公开
公开(公告)号：US20190011846A1
公开(公告)日：2019-01-10
申请号：US16018420
申请日：2018-06-26
申请人： Canon Kabushiki Kaisha
发明人： TETSUYA KINUMATSU , Yusuke Hasegawa , Kasuke Fukudome , Tomohisa Sano , Kenji Ookubo , Yoshitaka Suzumura , Takuma Ikejiri
IPC分类号： G03G9/083 , G03G9/087 , G03G15/08
摘要： A magnetic toner is provided, which has a magnetic toner particle containing a binder resin, a wax, and a magnetic body, wherein, when Dn is a number-average particle diameter of the toner, CV1 is coefficient of variation of a brightness variance value of the toner in a particle diameter range of Dn−0.500 to +0.500, and CV2 is coefficient of variation of a brightness variance value of the toner in a particle diameter range of Dn−1.500 to −0.500, a relationship CV2/CV1 1.00 is satisfied; an average brightness of the toner in the range of Dn−0.500 to +0.500 is 30.0 to 60.0; and when, in a cross section of the toner observed using a transmission electron microscope, which is divided with a square grid having a side of 0.8 μm, coefficient of variation CV3 of an occupied area percentage for the magnetic body is 40.0 to 80.0%.

8. 发明授权

US09946179B2 Toner 有权
公开(公告)号：US09946179B2
公开(公告)日：2018-04-17
申请号：US15362992
申请日：2016-11-29
申请人： CANON KABUSHIKI KAISHA
发明人： Satoshi Arimura , Yusuke Hasegawa , Tomohisa Sano , Yoshitaka Suzumura , Takuma Ikejiri
IPC分类号： G03G9/087 , G03G9/08 , G03G9/09
CPC分类号： G03G9/08755 , G03G9/0819 , G03G9/0825 , G03G9/08711 , G03G9/08782 , G03G9/0902 , G03G9/0926
摘要： A toner comprising a binder resin, a crystalline material, and a colorant, wherein, in a cross section image of the toner, when R (μm) is a long axis of the toner, r (μm) is a long axis of a crystalline material domain, domain A is a domain satisfying formula (ii), and domain B is a domain satisfying formula (iii), the toner in which the domain A and the domain B are both present is at least 50 number %; an number average diameter RAvg of the long axis of the toner satisfies formula (i); and a number of domain B per toner cross section of one toner is 20 to 300. 4 μm≤RAvg≤12 μm (i) 0.125≤r/R≤0.375 (ii) 0.000625≤r/R≤0.0625 (iii)

9. 发明申请

US20170336727A1 TONER 有权
公开(公告)号：US20170336727A1
公开(公告)日：2017-11-23
申请号：US15596693
申请日：2017-05-16
申请人： CANON KABUSHIKI KAISHA
发明人： Takuma Ikejiri , Yusuke Hasegawa , Tomohisa Sano , Yoshitaka Suzumura , Shohei Yamashita
IPC分类号： G03G9/087 , C08G63/20 , G03G9/08 , G03G9/09
CPC分类号： G03G9/08755 , C08G63/20 , G03G9/0821 , G03G9/0825 , G03G9/08711 , G03G9/08782 , G03G9/08797 , G03G9/0904
摘要： A toner comprising toner particles, each of which contains a binder resin and a colorant, wherein an onset temperature Te (° C.) of a storage elastic modulus E′ obtained in a powder dynamic viscoelastic measurement on the toner is at least 50° C. and not more than 70° C., and a value at Te (° C.) of a storage elastic modulus G′ obtained in a pellet dynamic viscoelastic measurement on the toner is at least 4.0×107 Pa and not more than 1.0×1010 Pa.

10. 发明申请

US20170160661A1 TONER 有权
公开(公告)号：US20170160661A1
公开(公告)日：2017-06-08
申请号：US15259293
申请日：2016-09-08
申请人： CANON KABUSHIKI KAISHA
发明人： Yoshitaka Suzumura , Yusuke Hasegawa , Tomohisa Sano , Atsuhiko Ohmori , Kozue Uratani , Yuujirou Nagashima
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09
CPC分类号： G03G9/0821 , G03G9/0825 , G03G9/08711 , G03G9/08755 , G03G9/08782 , G03G9/08795 , G03G9/08797 , G03G9/0926
摘要： Provided is a toner including a binder resin, a colorant, a crystalline polyester, and a release agent, wherein a cross-sectional image of the toner is observed using a scanning transmission electron microscope, domains of the crystalline polyester are present in the cross-sectional image of the toner, the domains have a number-average major diameter of at least 50 nm and not more than 300 nm, the number of the domains is at least 8 and not more than 500, and the domains are present at at least 60 number % and not more than 100 number % from an outline of the cross-sectional image to 25% of the distance between the outline and the centroid of the cross-sectional image.

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