Electrophotographic printing original plate and electrophotographic
plate making process using the printing original plate
    1.
    发明授权
    Electrophotographic printing original plate and electrophotographic plate making process using the printing original plate 失效
    电子照相印刷原版和电子版制版工艺采用印刷原版

    公开(公告)号:US4596754A

    公开(公告)日:1986-06-24

    申请号:US726363

    申请日:1985-04-23

    摘要: An electrophotographic printing original plate is disclosed, which comprises an electroconductive support material and an electrophotographic photosensitive layer formed thereon, which electrophotographic photosensitive layer comprises (i) a charge generation layer consisting essentially of a particular azo pigment serving as a charge generating material and (ii) a charge transport layer consisting essentially of a charge transporting material and an alkali-soluble resin; and an electrophotographic printing plate making process using the above printing original plate is also disclosed, which comprises the steps of electrically charging uniformly the above printing original plate, exposing the charged printing original plate to optical images to form latent electrostatic images thereon, developing the latent electrostatic images with toner, fixing the toner images to the printing original plate, and removing the electrophotographic photosensitive layer portions corresponding to the non-image areas of the printing original plate by dissolving the photosensitive layer portions in a dissolving liquid, thereby making a printing plate.

    摘要翻译: 公开了一种电子照相印刷原版,其包括导电支撑材料和形成在其上的电子照相感光层,该电子照相感光层包含(i)基本上由用作电荷产生材料的特定偶氮颜料组成的电荷产生层和(ii )电荷传输层,其主要由电荷输送材料和碱溶性树脂组成; 并且还公开了使用上述印刷原版的电子照相印版制作方法,其包括以下步骤:均匀地对上述印刷原版进行充电,将带电印刷原版曝光于光学图像上以在其上形成静电图像, 用调色剂静电图像,将调色剂图像固定到印刷原版上,并通过将感光层部分溶解在溶解液中来除去与印刷原版的非图像区域对应的电照相感光层部分,从而制成印版 。

    Electrophotographic sensitive element having a photoconductive disazo
pigment
    2.
    发明授权
    Electrophotographic sensitive element having a photoconductive disazo pigment 失效
    具有光导双偶氮颜料的电子照相感光元件

    公开(公告)号:US4260672A

    公开(公告)日:1981-04-07

    申请号:US922526

    申请日:1978-07-07

    摘要: The present invention provides an electrophotographic element of a high sensitivity and a high flexibility comprising an electroconductive support and a photosensitive layer provided thereon and containing as an effective ingredient therein a disazo compound represented by the following general formula: ##STR1## wherein A is a radical selected from the group consisting of: ##STR2## in which X represents a ring selected from the group consisting of aromatic rings such as benzene ring and naphthalene ring, hetero rings such as indole ring, carbazole ring and benzofuran ring, and substituted derivatives thereof; Ar.sub.1 represents a radical selected from the group consisting of aromatic rings such as benzene ring and naphthalene ring, hetero rings such as dibenzofuran ring and substituted derivatives thereof; Ar.sub.2 and Ar.sub.3 represent radicals respectively selected from the group consisting of aromatic rings such as benzene ring and naphthalene ring, and substituted derivatives thereof; R.sub.1 and R.sub.3 represent radicals respectively selected from the group consisting of hydrogen atom, lower alkyl radicals and phenyl radical and substituted derivatives thereof; and R.sub.2 represents a radical selected from the group consisting of lower alkyl radicals, and carboxyl radical and esters thereof.

    摘要翻译: 本发明提供了一种具有高灵敏度和高柔性的电子照相元件,其包含导电载体和其上提供的感光层,并在其中含有由以下通式表示的双偶氮化合物作为有效成分:其中A是基团 其选自由以下组成的组: + TR ,其中X表示选自芳环如苯环和萘环,杂环如吲哚环,咔唑环和苯并呋喃环的环, 及其取代衍生物; Ar 1表示选自苯环,萘环等芳环的基团,二苯并呋喃环等杂环及其取代衍生物; Ar 2和Ar 3表示分别选自芳环如苯环和萘环的基团及其取代衍生物; R1和R3表示分别选自氢原子,低级烷基和苯基及其取代衍生物的基团; 并且R 2表示选自低级烷基和羧基的基团及其酯。

    Electrophotographic sensitive materials containing disazo compounds
    3.
    发明授权
    Electrophotographic sensitive materials containing disazo compounds 失效
    含有双偶氮化合物的电子照相感光材料

    公开(公告)号:US4314015A

    公开(公告)日:1982-02-02

    申请号:US218382

    申请日:1980-12-19

    IPC分类号: C09B35/02 C09B35/039 G03G5/06

    摘要: The present invention provides electrophotographic sensitive materials having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing one disazo pigment, as an effective ingredient, which is selected from the group consisting of disazo pigments expressed by the following general formulas I, II, III, and IV, ##STR1## [(wherein A is selected from the group consisting of ##STR2## is selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as indole ring, carbazole ring, benzofuran ring, etc. and their substituents, Ar.sub.1 is selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as dibenzofuran, etc. and their substituents, Ar.sub.2 and Ar.sub.3 are selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc. and their substituents, R.sub.1 and R.sub.3 are selected from the group consisting of hydrogen, lower alkyl radical or phenyl radical and their substituents and R.sub.2 is selected from the group consisting of lower alkyl radical, carboxyl radical and their esters)].

    摘要翻译: 本发明提供具有高灵敏度和高柔性的电子照相感光材料,其包含导电性支持体和形成在其上的感光层,所述感光层含有一种双偶氮颜料作为有效成分,其选自: 通式I表示的双偶氮颜料:通式I:通式II:通用化学式III:通式IV:其中A为 选自(其中X选自芳环如苯环,萘环等,杂环如吲哚环,咔唑环,苯并呋喃环等及其取代基 Ar1选自苯环,萘环等芳香环,二苯并呋喃等杂环及其取代基,Ar2和Ar3选自 由芳环如苯环,萘环等及其取代基组成的组,R 1和R 3选自氢,低级烷基或苯基及其取代基,R 2选自 低级烷基,羧基及其酯)]。

    Disazo compounds derived from 3,6-bis(styryl)-9-ethylcarbazole
    4.
    发明授权
    Disazo compounds derived from 3,6-bis(styryl)-9-ethylcarbazole 失效
    衍生自3,6-双(苯乙烯基)-9-乙基咔唑的双偶氮化合物

    公开(公告)号:US4293492A

    公开(公告)日:1981-10-06

    申请号:US152061

    申请日:1980-05-20

    IPC分类号: C09B35/34 G03G5/06 C09B35/24

    摘要: The present invention provides disazo compounds expressed by the general formula: ##STR1## [wherein A represents a member selected from the group consisting of ##STR2## (wherein X represents a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as indole ring, carbazole ring, benzofuran ring, etc. and their substituents, Ar.sub.1 represents a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as dibenzofuran ring, etc. and their substituents, Ar.sub.2 and Ar.sub.3 represent a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc. and their substituents, R.sub.1 and R.sub.3 represent a member selected from the group consisting of hydrogen, lower alkyl radical or phenyl radical and their substituents and R.sub.2 represents a member selected from the group consisting of lower alkyl radical, carboxyl radical and their esters)]; a process for the preparation of said compounds; and electrophotographic sensitive materials having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing said disazo compound as an effective ingredient.

    摘要翻译: 本发明提供由以下通式表示的双偶氮化合物:其中A表示选自下列的成员:其中X表示选自以下的成员:芳环如 苯环,萘环等杂环,吲哚环,咔唑环,苯并呋喃环等杂原子及其取代基,Ar 1表示选自苯环,萘环等芳香环的成员 ,诸如二苯并呋喃环等杂环及其取代基,Ar2和Ar3表示选自芳环如苯环,萘环等的基团及其取代基,R 1和R 3表示选自 由氢,低级烷基或苯基组成的组和它们的取代基,R 2表示选自低级烷基,羧基和 酯)]; 一种制备所述化合物的方法; 和具有高灵敏度的电子照相感光材料以及包含导电性支持体和形成在其上的感光层的高柔性,所述感光层含有所述双偶氮化合物作为有效成分。

    Electrophotographic element having charge transport layer
    6.
    发明授权
    Electrophotographic element having charge transport layer 失效
    具有电荷传输层的电子照相元件

    公开(公告)号:US4245021A

    公开(公告)日:1981-01-13

    申请号:US11063

    申请日:1979-02-12

    IPC分类号: G03G5/06 G03G5/09

    摘要: An electrophotographic element according to the present invention exhibits an exceedingly high sensitivity and it comprises (1) an electroconductive support, a charge producing layer consisting essentially of a charge producing substance and a charge transport layer consisting essentially of a charge transport substance having the following general formula and a binder, the last-mentioned two layers being superposed in that order or vice versa on said support, or (2) an electroconductive support and a photosensitive layer, superposed thereon, and consisting essentially of a charge producing substance, a charge transport substance having said general formula and a binder: ##STR1## (wherein n is an integer of 1 or 2, R.sub.1 stands for hydrogen atom or an alkyl, nitro, dialkylamino, alkoxy, nitrile or carboxylic ester group, and R.sub.2 and R.sub.3 stand for hydrogen or halogen atom or nitro or dialkylamino group respectively).

    摘要翻译: 根据本发明的电子照相元件显示出非常高的灵敏度,并且其包括(1)导电载体,基本上由电荷产生物质组成的电荷产生层和基本上由电荷输送物质组成的电荷输送层,其具有以下通用 配方和粘合剂,所述最后提到的两层在所述载体上以该顺序重叠,反之亦然;或(2)导电载体和感光层,叠加在其上,并基本上由电荷产生物质组成,电荷传输 具有所述通式的物质和粘合剂:其中n是1或2的整数,R1代表氢原子或烷基,硝基,二烷基氨基,烷氧基,腈或羧酸酯基,R2和R3代表 氢或卤素原子或硝基或二烷基氨基)。

    Novel disazo compounds, process for the preparation of same and
application of said disazo compounds and analogues thereof to
electrophotographic sensitive materials
    8.
    发明授权
    Novel disazo compounds, process for the preparation of same and application of said disazo compounds and analogues thereof to electrophotographic sensitive materials 失效
    新型双偶氮化合物,其制备方法和所述双偶氮化合物及其类似物应用于电子照相感光材料

    公开(公告)号:US4251614A

    公开(公告)日:1981-02-17

    申请号:US921086

    申请日:1978-06-30

    IPC分类号: C09B35/34 G03G5/06

    摘要: The present invention provides disazo compounds expressed by the general formula: ##STR1## [wherein A represents a member selected from the group consisting of ##STR2## (wherein X represents a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as indole ring, carbazole ring, benzofuran ring, etc. and their substituents, Ar.sub.1 represents a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as dibenzofuran ring, etc. and their substituents, Ar.sub.2 and Ar.sub.3 represent a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc. and their substituents, R.sub.1 and R.sub.3 represent a member selected from the group consisting of hydrogen, lower alkyl radical or phenyl radical and their substituents and R.sub.2 represents a member selected from the group consisting of lower alkyl radical, carboxyl radical and their esters)]; a process for the preparation of said compounds; and electrophotographic sensitive materials having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing said disazo compound as an effective ingredient.

    摘要翻译: 本发明提供由以下通式表示的双偶氮化合物:其中A表示选自下列的成员:其中X表示选自以下的成员:芳环如 苯环,萘环等杂环,吲哚环,咔唑环,苯并呋喃环等杂原子及其取代基,Ar 1表示选自苯环,萘环等芳香环的成员 ,诸如二苯并呋喃环等杂环及其取代基,Ar2和Ar3表示选自芳环如苯环,萘环等的基团及其取代基,R 1和R 3表示选自 由氢,低级烷基或苯基组成的组和它们的取代基,R 2表示选自低级烷基,羧基和 酯)]; 一种制备所述化合物的方法; 和具有高灵敏度的电子照相感光材料以及包含导电性支持体和形成在其上的感光层的高柔性,所述感光层含有所述双偶氮化合物作为有效成分。

    Electrophotographic element having a bisazo photoconductor
    9.
    发明授权
    Electrophotographic element having a bisazo photoconductor 失效
    具有双偶氮感光体的电子照相元件

    公开(公告)号:US4314016A

    公开(公告)日:1982-02-02

    申请号:US158436

    申请日:1980-06-11

    IPC分类号: G03G5/06

    CPC分类号: G03G5/0679

    摘要: An electrophotographic element utilizing as a charge generation material a disazo pigment having the following general formula: ##STR1## where R.sup.1 is hydrogen, chlorine, bromine, methyl, ethyl, methoxy, ethoxy, nitro, dimethylamino, diethylamino or phenyl; m and n are each an integer such as 1 or 2; and R.sup.2 is hydrogen or chlorine.

    摘要翻译: 使用具有以下通式的双偶氮颜料作为电荷产生材料的电摄像元件:其中R 1是氢,氯,溴,甲基,乙基,甲氧基,乙氧基,硝基,二甲基氨基,二乙基氨基或苯基; m和n各自为1或2的整数; R2是氢或氯。

    Electrophotographic photoconductor
    10.
    发明授权
    Electrophotographic photoconductor 失效
    电子照相感光体

    公开(公告)号:US4365014A

    公开(公告)日:1982-12-21

    申请号:US79406

    申请日:1979-09-27

    IPC分类号: G03G5/06 G03G5/14

    CPC分类号: G03G5/0629

    摘要: An electrophotographic photoconductor is prepared by forming a photoconductive layer containing a hydrazone compound therein on an electroconductive support member. The hydrazone compounds represented by the following general formula, are useful as photoconductive materials and as charge transport materials for use in electrophotography: ##STR1## wherein R.sub.1 represents a methyl group, an ethyl group, a 2-hydroxyethyl group, or a 2-chloroethyl group, and R.sub.2 represents a methyl group, an ethyl group, a benzyl group or a phenyl group.

    摘要翻译: 通过在导电性支持体上形成含有腙化合物的感光层来制备电子照相感光体。 由以下通式表示的腙化合物可用作光电导材料和用作电子照相术的电荷传输材料:其中R1表示甲基,乙基,2-羟基乙基或2-氯乙基 基团,R 2表示甲基,乙基,苄基或苯基。