Method for preparing hydroxygallium phthalocyanine crystals and
electrophotographic photoreceptor using the crystals
    101.
    发明授权
    Method for preparing hydroxygallium phthalocyanine crystals and electrophotographic photoreceptor using the crystals 失效
    使用该晶体制备羟基镓酞菁晶体和电子照相感光体的方法

    公开(公告)号:US5545733A

    公开(公告)日:1996-08-13

    申请号:US288079

    申请日:1994-08-10

    CPC分类号: C09B67/0016 C09B67/0026

    摘要: A method for preparing hydroxygallium phthalocyanine crystals wherein hydroxygallium phthalocyanine crystals having distinct diffraction peaks at 7.0.degree., 13.4.degree., 16.6.degree., 26.0.degree. and 26.7.degree. of the Bragg angle (2.theta..+-.0.2.degree.) with respect to CuK.alpha. characteristics X-ray in the X-ray diffraction spectrum are crystal-transferred by solvent treatment. The crystals after crystal-transfer have distinct diffraction peaks at (i) 7.7.degree., 16.5.degree., 25.1.degree. and 26.6.degree., (ii) 7.9.degree., 16.5.degree., 24.4.degree. and 27.6.degree., (iii) 7.0.degree., 7.5.degree., 10.5.degree., 11.7.degree., 12.7.degree., 17.3.degree., 18.1.degree., 24.5.degree., 26.2.degree. and 27.1, (iv) 7.5.degree., 9.9.degree., 12.5.degree., 16.3.degree., 18.6.degree., 25.1.degree. and 28.8.degree. or (v) 6.8.degree., 12.8.degree., 15.8.degree. and 26.0.degree. of the Bragg angle (2.theta..+-.0.2.degree. C.) with respect to CuK.alpha. characteristics X-ray in the X-ray diffraction spectrum. An electrophotographic photoreceptor having a light-sensitive layer on a electroconductive substrate wherein the light-sensitive layer contains at least one of the hydroxygallium phthalocyanine crystals.

    摘要翻译: 一种制备羟基镓酞菁晶体的方法,其中具有相对于CuKα特征X的布拉格角(2θ+/- 0.2°)的7.0°,13.4°,16.6°,26.0°和26.7°处具有不同衍射峰的羟基镓酞菁晶体 X-射线衍射光谱中的-ray通过溶剂处理进行结晶转移。 结晶转移后的晶体在(i)7.7°,16.5°,25.1°和26.6°,(ii)7.9°,16.5°,24.4°和27.6°,(iii)7.0°,7.5°, 10.5°,11.7°,12.7°,17.3°,18.1°,24.5°,26.2°和27.1°,(iv)7.5°,9.9°,12.5°,16.3°,18.6°,25.1°和28.8°或(v) 相对于X射线衍射光谱中的CuKα特征X射线,布拉格角(2θ+/- 0.2℃)的6.8°,12.8°,15.8°和26.0°。 在导电性基体上具有感光层的电子照相感光体,其中感光层含有至少一种羟基镓酞菁晶体。

    Process for preparing titanyl phthalocyanine crystal by solvent dilution
    102.
    发明授权
    Process for preparing titanyl phthalocyanine crystal by solvent dilution 失效
    通过溶剂稀释制备氧钛酞菁晶体的方法

    公开(公告)号:US5512674A

    公开(公告)日:1996-04-30

    申请号:US161496

    申请日:1993-12-06

    摘要: A process for preparing a titanyl phthalocyanine crystal showing at least one diffraction peak at a Bragg angle (2.theta..+-.0.2) of 27.3.degree. is disclosed, which comprises dissolving or suspending titanyl phthalocyanine in concentrated sulfuric acid to form a solution or a slurry and diluting the solution or slurry with an alcohol solvent, an aromatic solvent, a mixed solvent of an alcohol solvent and water, a mixed solvent of an aromatic solvent and water, or a mixed solvent of an alcohol solvent and an aromatic solvent with or without water thereby to precipitate a crystal, and, if desired, treating the precipitated crystal with an alcohol solvent, an aromatic solvent, a mixed solvent of an alcohol solvent and an aromatic solvent or a mixed solvent of an alcohol solvent and/or an aromatic solvent and water. The resulting titanyl phthalocyanine crystal exhibits high photosensitivity and excellent durability as a photoconductive material of an electrophotographic photoreceptor.

    摘要翻译: 公开了一种制备在26.3度的布拉格角(2θ+/- 0.2)处显示出至少一个衍射峰的钛酞菁晶体的方法,其包括将钛酞菁溶解或悬浮在浓硫酸中以形成溶液或浆液 用醇溶剂,芳族溶剂,醇溶剂和水的混合溶剂,芳族溶剂和水的混合溶剂,醇溶剂和芳族溶剂的混合溶剂稀释溶液或浆料,有或没有 水,从而析出晶体,如果需要,用醇溶剂,芳族溶剂,醇溶剂和芳族溶剂的混合溶剂或醇溶剂和/或芳族溶剂的混合溶剂处理沉淀的结晶 和水。 所得到的钛酞菁晶体作为电子照相感光体的感光材料显示出高的光敏性和优异的耐久性。

    Process for preparing purified hydroxymetal phthalocyanine and
electrophotographic photoreceptor using the same
    104.
    发明授权
    Process for preparing purified hydroxymetal phthalocyanine and electrophotographic photoreceptor using the same 失效
    使用其制备纯化的羟基金属酞菁和电子照相感光体的方法

    公开(公告)号:US5463041A

    公开(公告)日:1995-10-31

    申请号:US76100

    申请日:1993-06-14

    摘要: A process for preparing a purified hydroxymetal phthalocyanine with stable charging characteristics and small dark decay and an electrophotographic photoreceptor containing the same are disclosed. The process comprises dissolving or slurrying a precursor of a hydroxymetal phthalocyanine in an acid, precipitating a hydroxymetal phthalocyanine in a solvent or a basic solution, and heat treating the resulting hydroxymetal phthalocyanine in a basic solution. The purified hydroxymetal phthalocyanine wherein the metal is gallium is further subjected to a solvent treatment to provide a new crystal showing further improved electrophotographic characteristics.

    摘要翻译: 公开了一种制备具有稳定带电特性和小黑暗衰变的纯化羟基金属酞菁的方法和含有该纯化羟基金属酞菁的电子照相感光体。 该方法包括将羟基金属酞菁的前体溶解或浆化在酸中,将羟基金属酞菁沉淀在溶剂或碱性溶液中,并在碱性溶液中热处理得到的羟基金属酞菁。 其中金属是镓的纯化的羟基金属酞菁进一步进行溶剂处理以提供显示进一步改善的电子照相特性的新晶体。

    Crystals of hydroxygallium phthalocyanine, method of preparing the
crystals, photoconductive material comprising the crystals, and
electrophotographic photoreceptor comprising the material
    106.
    发明授权
    Crystals of hydroxygallium phthalocyanine, method of preparing the crystals, photoconductive material comprising the crystals, and electrophotographic photoreceptor comprising the material 失效
    羟基镓酞菁的晶体,晶体的制备方法,包含晶体的光电导材料和包含该材料的电子照相感光体

    公开(公告)号:US5302479A

    公开(公告)日:1994-04-12

    申请号:US873026

    申请日:1992-04-24

    摘要: Crystals of hydroxygallium phthalocyanine, a method of preparing the crystals, a photoconductive material containing the crystals, and an electrophotographic photoreceptor having the material. The photoreceptor has excellent electrophotographic characteristics. The crystals of hydroxygallium phthalocyanine have distinct diffraction peaks at (i) 7.5.degree., 9.9.degree., 12.5.degree., 16.3.degree., 18.6.degree., 25.1.degree. and 28.3.degree., or (ii) 7.7.degree., 16.5.degree., 25.1.degree. and 26.6.degree., or (iii) 7.9.degree., 16.5.degree., 24.4.degree. and 27.6.degree., or (iv) 7.0.degree., 7.5.degree., 10.5.degree., 11.7.degree., 12.7.degree., 17.3.degree., 8.1.degree., 24.5.degree., 26.2.degree. and 27.1.degree., or (v) 6.8.degree., 12.8.degree., 15.8.degree. and 26.0.degree. or (vi) 7.4.degree., 9.9.degree., 25.0.degree., 26.0.degree., and 28.2.degree. of the Bragg angle (2.theta..+-.0.2) in the X-ray diffraction spectrum. The electrophotographic photoreceptor has a light-sensitive layer containing the photoconductive material of the crystals.

    摘要翻译: 羟基镓酞菁的晶体,晶体的制备方法,含有晶体的感光材料和具有该材料的电子照相感光体。 感光体具有优异的电子照相特性。 羟基镓酞菁的晶体在(i)7.5度,9.9度,12.5度,16.3度,18.6度,25.1度和28.3度,或(ii)7.7度,16.5度,25.1度和26.6度处具有不同的衍射峰, 或(iii)7.9度,16.5度,24.4度和27.6度,或(iv)7.0度,7.5度,10.5度,11.7度,12.7度,17.3度,8.1度,24.5度,26.2度和27.1度, 或(v)6.8度,12.8度,15.8度和26.0度,或(vi)布拉格角(2(θ)±0.2)的7.4度,9.9度,25.0度,26.0度和28.2度) 射线衍射谱。 电子照相感光体具有含有晶体光导材料的感光层。

    Novel electron-accepting compound and method for preparing the same
    110.
    发明授权
    Novel electron-accepting compound and method for preparing the same 失效
    新型受电子化合物及其制备方法

    公开(公告)号:US4833263A

    公开(公告)日:1989-05-23

    申请号:US143483

    申请日:1988-01-13

    IPC分类号: C07F5/02 G03G5/06

    CPC分类号: C07F5/027 G03G5/062

    摘要: An electron-accepting compound represented by the formula (I): ##STR1## wherein R represents a hydrogen atom or --B(Mes).sub.2 and Mes represents a mesityl group.A method for preparing an electron-accepting compound represented by the above-described formula (I), which comprises condensing a benzophenone derivative represented by the following formula (II) with malononitride, ##STR2## wherein R and Mes have the same meanings as defined for the formula (I).

    摘要翻译: 由式(I)表示的电子接受性化合物:其中R表示氢原子或-B(Mes)2,Mes表示均三甲基。 一种制备由上述式(I)表示的电子接受性化合物的方法,其包括将下式(II)表示的二苯甲酮衍生物与丙二腈缩合,其中R和Mes具有相同的 如式(I)所定义。