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    (METH)ACRYLATE COMPOUND
    1.
    发明申请
    (METH)ACRYLATE COMPOUND 有权

    公开(公告)号：US20210247546A1

    公开(公告)日：2021-08-12

    申请号：US17237474

    申请日：2021-04-22

    申请人： CANON KABUSHIKI KAISHA

    发明人： Kei Tagami ,  Terunobu Saitoh ,  Akihito Saitoh ,  Yota Ito

    IPC分类号： G02B1/04 ,  C08F20/20 ,  C09D133/14 ,  C07C69/54 ,  C07C33/26

    摘要： The compound having a high refractive index characteristic and a high transmittance is a (meth)acrylate compound represented by the following general formula (1): in the general formula (1), X represents a phenylene group, Z1 to Z3 are selected from the group consisting of a phenyl group, a heteroaryl group, a phenylene group, a heteroarylene group, a phenylalkylene group having an alkylene group having 1 or more to 4 or less carbon atoms, and a heteroaralkylene group having an alkylene group having 1 or more to 4 or less carbon atoms, P1 to P3 are selected from the group consisting of an acryloyloxy group and a methacryloyloxy group, A is selected from the group consisting of an aryl group, a heteroaryl group, an arylene group, and a heteroarylene group, and “m” and “n” each represent 0 or 1, provided that when the “m” represents 0, the “n” represents 0.

    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
    2.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS 审中-公开

    公开(公告)号：US20190243260A1

    公开(公告)日：2019-08-08

    申请号：US16269304

    申请日：2019-02-06

    申请人： CANON KABUSHIKI KAISHA

    发明人： Yota Ito ,  Jumpei Kuno ,  Shoma Hinata

    IPC分类号： G03G5/14 ,  G03G5/05 ,  G03G5/06

    CPC分类号： G03G5/144 ,  G03G5/0542 ,  G03G5/0696 ,  G03G5/142

    摘要： An electrophotographic photosensitive member including: a support, an undercoat layer formed above the support, a charge generation layer formed on the undercoat layer, and a charge transport layer formed above the charge generation layer, wherein the undercoat layer contains a polyamide resin and a titanium oxide particle which is surface-treated with a compound represented by Formula (1): when a volume of the titanium oxide particles to a volume of the polyamide resin in the undercoat layer is a, and an average primary particle diameter of the titanium oxide particles is b [μm], the following Equation (A) is satisfied: Equation (A): 14.0≤a/b≤19.1; and the charge generation layer contains a charge generating material and a thermoplastic resin having a hydroxyl group and a hydroxyl number of 50 mgKOH/g or more.

    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
    9.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS 有权
    电子照相感光元件，工艺盒和电子照相设备

    公开(公告)号：US20150277249A1

    公开(公告)日：2015-10-01

    申请号：US14664678

    申请日：2015-03-20

    申请人： CANON KABUSHIKI KAISHA

    发明人： Daisuke Miura ,  Yota Ito ,  Takashi Anezaki ,  Hirofumi Kumoi

    IPC分类号： G03G5/07 ,  G03G5/06

    CPC分类号： G03G5/078 ,  G03G5/0564 ,  G03G5/0578 ,  G03G5/0605 ,  G03G5/0614 ,  G03G5/14756 ,  G03G5/14773

    摘要： A charge transporting layer of an electrophotographic photosensitive member contains a polysiloxane resin having a terminal structure represented by the formula (1), at least one selected from the group consisting of a polycarbonate resin A having a structural unit represented by the formula (A) and a polyarylate resin B having a structural unit represented by the formula (B), and a charge transporting substance, wherein the content of the siloxane structure in the polysiloxane resin is not less than 0.5% by mass and not more than 10% by mass based on the total mass of whole resin in the charge transporting layer.

    摘要翻译： 电子照相感光构件的电荷输送层含有具有式（1）表示的末端结构的聚硅氧烷树脂，选自具有式（A）所示结构单元的聚碳酸酯树脂A和式 具有由式（B）表示的结构单元的多芳基化合物树脂B和电荷输送物质，其中聚硅氧烷树脂中的硅氧烷结构的含量不小于基于0.5质量％且不大于10质量％ 关于电荷输送层中整个树脂的总质量。