摘要:
A pigment includes a compound with a tetraazaporphyrin skeleton represented by formula (I): ##STR1## wherein M is a hydrogen atom, or an atom or compound capable of bonding to tetraazaporphyrin through a covalent bond or a coordinate bond; and R.sup.1 to R.sup.8 are each independently a hydrogen atom, a lower alkyl group which may have a substituent, or an aryl group which may have a substituent. In addition, the above-mentioned pigment is used as a charge generation material in an electrophotographic photoconductor comprising an electroconductive support and a photoconductive layer formed thereon.
摘要翻译:颜料包括具有由式(I)表示的四氮杂卟啉骨架的化合物:其中M是氢原子,或能够通过共价键或配位键与四氮杂卟啉结合的原子或化合物; R 1〜R 8各自独立地为氢原子,可以具有取代基的低级烷基或可具有取代基的芳基。 此外,上述颜料用作电子照相感光体中的电荷产生材料,其包含形成在其上的导电性支持体和光电导层。
摘要:
A positively-chargeable single-layered type organic electrophotographic photoconductor composed of an electroconductive support and an organic single-layered photoconductive layer containing a charge generating material, an organic positive hole transporting material and an organic acceptor compound which are dispersed in a matrix binder agent, with the relationship of the oxidation potential (E.sub.ox) of the charge generating material.ltoreq.the oxidation potential (E.sub.ox) of the organic positive hole transporting material being satisfied.
摘要:
An electrophotographic photoconductor is composed of an electroconductive substrate, and a photoconductive layer formed thereon, which contains a charge generating material, and a vinylidene compound of formula (I): ##STR1## wherein Ar represents an aromatic group; and X represents cyano group, an alkyl group having 1 to 8 carbon atoms, or an alkoxycarbonyl group represented by --COOC.sub.n H.sub.2n+1, in which n is an integer of 1 to 8; or a vinylidene compound of formula (II):Ar--CH.dbd.C(COOR).sub.2 (II)wherein Ar represents an aromatic group; and R represents an alkyl group having 1 to 8 carbon atoms, which may form a ring in combination of two of the alkyl groups, each of these vinylidene compounds serving as a charge transporting material.
摘要翻译:电子照相感光体由导电性基体和形成在其上的光电导层构成,含有电荷产生材料,和式(I)的亚乙烯基化合物:其中Ar表示芳族基团; X表示氰基,碳原子数1〜8的烷基或-COOC n H 2n + 1表示的烷氧基羰基,n为1〜8的整数。 或式(II)的亚乙烯基化合物:Ar-CH = C(COOR)2(II)其中Ar表示芳族基团; R表示碳原子数为1〜8的烷基,可以与两个烷基结合形成环,这些亚乙烯基化合物均作为电荷输送材料。
摘要:
A silicone compound represented by the following Chemical Structure 1: wherein Y represents a substituted or non-substituted alkyl group having one to ten carbon atoms, X1, X2, and X3 independently represent methyl groups or any of Substituents A-1 to A-7, and l, m, and n are independently zero or an integer of from 1 to 6.
摘要:
To provide a photocurable liquid developer including colored resin particles, and an electrically insulating liquid that cures by light, wherein the electrically insulating liquid contains an unsaturated group-containing silicone compound represented by General Formula (1) below, where R independently denotes a methyl group or a phenyl group, l and m each independently denote an integer of 0 to 100, and X1, X2 and X3 each independently denote a C1-C6 alkyl group or Substituent A below, with at least one of X1, X2 and X3 being Substituent A, where R denotes a methyl group or a phenyl group, and n denotes an integer of 2 or 3.
摘要:
A silicone compound represented by the following Chemical Structure 1: wherein Y represents a substituted or non-substituted alkyl group having one to ten carbon atoms, X1, X2, and X3 independently represent methyl groups or any of the following Substituents A-1 to A-7, and l, m, and n are independently zero or an integer of from 1 to 6, wherein R1 is a hydrogen atom, an alkyl group having one to four carbon atoms, or an alkoxy group having one to four carbon atoms, wherein R2 represents a single bonding or an alkylene group having one to four carbon atoms and R3 represents a single bonding or an alkyleneoxy group having one to four carbon atoms, wherein R4 and R5 independently represent hydrogen atoms or methyl groups,
摘要:
An object of the present invention is to provide an electrophotographic photoconductor for liquid development, having high resistance to a carrier solvent for use in a liquid developing method and having practically high sensitivity, an image-forming apparatus including the photoconductor, and an image forming method. To achieve this object, the present invention provides an electrophotographic photoconductor for liquid development including a support, and a photosensitive layer on or above the support, wherein the photosensitive layer includes a charge-generating material, a charge-transporting material, and an acceptor compound, and the charge-transporting material includes a charge-transporting polymer having a specified structure.
摘要:
To provide a highly sensitive and highly durable electrophotographic photoconductor, electrophotography, photographic apparatus and process cartridge for the electrophotographic apparatus which is practical for a high-speed copying machine as well as for a laser printer. The electrophotographic photoconductor includes a photoconductive layer on a conductive support, in which the photoconductive layer contains an azo compound expressed by Formula (1) and wherein at least one of “Cp1” and “Cp2” contains a coupler residue selected from Formula (2), Formula (3) and Formula (4).
摘要:
A reaction product useful as an organic photoconductive material for electrophotographic photoconductors is provided, obtainable by reacting (i) a nitrile derivative, (ii) a phthalonitrile derivative or a 1,3-diiminoisoindoline derivative and, if necessary, (iii) a metal or a metal-containing compound.
摘要:
An electrophotographic photoconductor has an electroconductive support, and a photoconductive layer formed thereon which contains as a charge generation material a pigment including a compound with a tetraazaporphyrin skeleton represented by formula (I): ##STR1## wherein M is a hydrogen atom, or an atom or compound capable of bonding to tetraazaporphyrin through a covalent bond or a coordinate bond; and R.sup.1 to R.sup.4 are each independently a hydrogen atom, a lower alkyl group which may have a substituent, or an aryl group which may have a substituent.
摘要翻译:电子照相感光体具有导电性支持体和形成在其上的光电导层,其含有作为电荷产生材料的颜料,其包含具有式(I)所示的四氮杂卟啉骨架的化合物:其中M为氢原子或能够具有的原子或化合物 通过共价键或配位键与四氮杂卟啉键合; R 1〜R 4各自独立地为氢原子,可以具有取代基的低级烷基或可具有取代基的芳基。