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    • 3. 发明申请
    • ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND IMAGE FORMING APPARATUS USING THE SAME
    • 电子照相光电子器件和使用它的图像形成装置
    • US20110104600A1
    • 2011-05-05
    • US12914151
    • 2010-10-28
    • Takahiro KurauchiSatoshi KatayamaKoichi Toriyama
    • Takahiro KurauchiSatoshi KatayamaKoichi Toriyama
    • G03G15/00
    • G03G5/144G03G5/0614G03G15/75
    • A function separation type electrophotographic photoconductor comprising: a conductive support; an undercoat layer formed on the conductive support; a charge generation layer formed on the undercoat layer; and a charge transfer layer formed on the charge generation layer, the undercoat layer containing at least a binder resin and metal oxide microparticles subjected to surface treatment with anhydrous silicon dioxide, the charge transfer layer containing at least a binder resin and an enamine compound represented by the following general formula (1): wherein one or more of R1, R2, R3, R4 and R5 represent a C6-C10 aryl group that may have a substituent; the others each represent hydrogen atom or C1-C4 alkyl, C4-C9 heterocyclic, C7-C16 aralkyl or C11-C16 arylidene alkyl group that may have a substituent; or R2 and R3 together with carbon atoms with which they are combined may form a cyclic or condensed cyclic group that may have a substituent.
    • 一种功能分离型电子照相感光体,包括:导电性支持体; 形成在导电支撑体上的底涂层; 形成在底涂层上的电荷产生层; 以及形成在电荷产生层上的电荷转移层,至少含有粘合剂树脂的底涂层和用无水二氧化硅进行表面处理的金属氧化物微粒,电荷转移层至少含有粘合剂树脂和由 以下通式(1):其中R 1,R 2,R 3,R 4和R 5中的一个或多个表示可以具有取代基的C 6 -C 10芳基; 其余各自表示氢原子或可具有取代基的C 1 -C 4烷基,C 4 -C 9杂环,C 7 -C 16芳烷基或C 11 -C 16亚芳基烷基; 或者R 2和R 3与它们所组合的碳原子一起形成可以具有取代基的环状或稠合的环状基团。
    • 7. 发明授权
    • Electrophotographic photoconductor, method of producing the same and image forming apparatus
    • 电子照相感光体,其制造方法和成像装置
    • US08367287B2
    • 2013-02-05
    • US11642635
    • 2006-12-21
    • Hiroshi SugimuraKotaro FukushimaKoichi Toriyama
    • Hiroshi SugimuraKotaro FukushimaKoichi Toriyama
    • G03G5/14
    • G03G5/0614G03G5/14708G03G5/14734
    • An electrophotographic photoconductor of the invention comprising: an conductive support; a light-sensitive layer formed on the conductive support and containing a charge generating material and a charge transport material; and a surface protective layer formed on the light-sensitive layer and made of a resin composition, wherein the resin composition constituting the surface protective layer contains an amine compound represented by the following formula (1): wherein R1 and R2 are, the same or different, each an alkyl group or an allyl group which may have a substituent or a heterocyclic residue to be formed through or not through a nitrogen atom or an oxygen atom together with the nitrogen atom to which R1 and R2 are bonded, R3 and R4 are, the same or different, each an alkyl group having a substituent and n denotes 1 or 2, provided that when n is 1, X is a hydrogen atom, a halogen atom, or an alkyl group, a hydroxyl group or a mercapto group which may have a substituent, or a ring optionally containing an oxygen atom and a nitrogen atom between carbon atoms and when n is 2, X is an oxygen atom or a sulfur atom.
    • 本发明的电子照相感光体包括:导电载体; 形成在所述导电支架上并包含电荷产生材料和电荷输送材料的感光层; 和形成在感光层上并由树脂组合物制成的表面保护层,其中构成表面保护层的树脂组合物含有由下式(1)表示的胺化合物:其中R1和R2是相同的或 不同的是,可以具有取代基的烷基或烯丙基或通过或不与氮原子或氧原子一起形成的杂环残基以及与R 1和R 2键合的氮原子,R 3和R 4是 每个具有取代基的烷基,n表示1或2,条件是当n为1时,X为氢原子,卤素原子或烷基,羟基或巯基, 或任选地含有氧原子和碳原子之间的氮原子的环,当n为2时,X为氧原子或硫原子。
    • 10. 发明授权
    • Electrophotographic photoreceptor
    • 电子照相感光体
    • US07074531B2
    • 2006-07-11
    • US10740524
    • 2003-12-22
    • Kotaro FukushimaMikio KakuiKoichi ToriyamaHisayuki Utsumi
    • Kotaro FukushimaMikio KakuiKoichi ToriyamaHisayuki Utsumi
    • G03G5/147
    • G03G15/751
    • In an electrophotographic photoreceptor including a conductive substrate and a photoreceptive layer formed on the conductive substrate wherein the photoreceptive layer charged uniformly is exposed to light corresponding to an image information to form an electrostatic latent image, the surface free energy (γ) is determined to be at least 20 mN/m and at most 35 mN/m. The determination of γ on the surface of the photoreceptor 1 in the appropriate range makes it possible to suppress excessive adhesion of a toner to the surface of the photoreceptor, to suppress adhesion of foreign matters such as a paper powder and to make easy the separation thereof from the surface, which results in improving the cleanability of the photoreceptor. Since the image is formed with the photoreceptor 1 having always the clean surface, the damage or the decrease in image quality does not occur over a long period of time.
    • 在包括导电基片和形成在导电基片上的感光层的电子照相感光体中,其中将均匀带电的感光层暴露于对应于图像信息的光以形成静电潜像,表面自由能(γ)被确定为 至少20mN / m和最多35mN / m。 感光体1的表面上的γ测定在适当的范围内可以抑制调色剂对感光体的表面的过度粘附,抑制异物如纸粉的粘附,并使其易于分离 从表面,这导致改善感光体的可清洁性。 由于图像由始终具有清洁表面的感光体1形成,所以在长时间内不会发生损坏或图像质量的降低。