摘要:
An electrophotographic photoconductor comprises an electroconductive support and a photoconductive layer formed thereon comprising a bisazo compound having the formula (I) serving as a charge generating material: ##STR1## wherein Y represents a halogen, an alkyl group which may have a substituent, an alkoxyl group, an acyl group, a substituted amino group, a cyano group or a nitro group; R represents hydrogen, or an alkyl group which may have a substitutent; and Ar represents an aryl group which may have a substituent.
摘要:
Polyolefin derivatives, which are useful not only as the photoconductive materials for electrophotography, but also as a charge transporting material employed in a function-separating type photoconductor which uses an organic or inorganic pigment as a charge generating material, and an electrophotographic photoconductor containing at least one of the above polyolefin derivatives in a photoconductive layer thereof, are disclosed.
摘要:
An electrophotographic photoconductor is composed of an electroconductive support and a photoconductive layer formed thereon, which photoconductive layer includes a polycarbonate resin. Aromatic polycarbonate resins not only for the electrophotographic photoconductor, but also for the materials for liquid display panels, optical cards, optical discs, varieties of films having high transparency and heat resistance, deposited plastic reflecting mirrors, and lenses are disclosed.
摘要:
An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a repeat unit of formula (I), or two repeat units of formulae (II) and (III): ##STR1## wherein Ar.sup.1 to Ar.sup.6, X, n, k and j are as specified in the specification.
摘要:
A stilbene compound is disclosed which has the following general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each stand for hydrogen, an alkyl group or an acyl group and Ar.sup.1 and Ar.sup.2 each stand for a monovalent homocyclic aromatic group. The stilbene compound may be incorporated into a photoconducting layer of an electrophotographic photoconductor as a charge transporting material. A process for the production of the stilbene compound is also disclosed.
摘要:
An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a repeat unit of formula (I), or two repeat units of formula (II) and formula (III): ##STR1## wherein n, Ar.sup.1, Ar.sup.2, Ar.sup.3, R.sup.1, R.sup.2 and X are as specified in the specification, ##STR2## wherein k and j are also as specified in the specification.
摘要:
An electrophotographic photoconductor is composed of an electroconductive support, and a photoconductive layer formed thereon which contains as a photoconductive material at least one diamine compound having carbonate groups of formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each is hydrogen, an alkyl group, or an aryl group; R.sup.1 and R.sup.2 may form a ring in combination of N bonded thereto; Y is an arylene group, ##STR2## wherein Ar.sup.1 and Ar.sup.2 each is an arylene group, R.sup.3 and R.sup.4 each is hydrogen, an alkyl group, or an aryl group, and l is an integer of 1 or 2; and R.sup.1 and Y may together form a ring, X is an alkylene group, a dialkylene ether group or an arylene group, --Ar.sup.3 -Z-Ar.sup.4 --, wherein Ar.sup.3 and Ar.sup.4 each is an arylene group; Z is an alkylene group, a dialkylene ether group or a cycloalkylidene group, oxygen, sulfur, a vinylene group, m is an integer of 0 or 1; and n is an integer of 0 to 6.
摘要:
A diamine compound having formula (I): ##STR1## wherein R.sup.1 is hydrogen, an alkyl group having 1 to 6 carbon atoms which may have a substituent, an alkoxyl group having 1 to 6 carbon atoms which may have a substituent, an aryl group which may have a substituent, or an alkenyl group having 1 to 6 carbon atoms which may have a substituent; Ar.sup.1 is an aryl group which may have a substituent; Ar.sup.2 is a bivalent group selected from the group consisting of an arylene group and a stilbene group, which may have a substituent; n is an integer of 0 to 2; and X is a group selected from the group consisting of: ##STR2## in which R.sup.2 is hydrogen, an alkyl group having 1 to 6 carbon atoms which may have a substituent, an aryl group or a halogen; R.sup.3 and R.sup.4 each is an alkyl group having 1 to 6 carbon atoms or an aryl group. The diamine compounds are useful as charge transport materials in electrophotographic photoconductor applications, particularly layered photoconductors comprising a charge generation layer containing a pigment as a charge generating material, and a charge transport layer containing the diamine as a charge transport material.
摘要翻译:具有式(I)的二胺化合物:其中R 1是氢,可以具有取代基的具有1至6个碳原子的烷基,可以具有取代基的具有1至6个碳原子的烷氧基, 可以具有取代基的芳基或可具有取代基的碳原子数1〜6的烯基; Ar1是可以具有取代基的芳基; Ar 2是选自亚芳基和茋基的二价基团,其可以具有取代基; n为0〜2的整数, 并且X是选自下列的基团:其中R 2是氢,可以具有取代基的具有1至6个碳原子的烷基,芳基或者取代基的 卤素; R 3和R 4各自为具有1至6个碳原子的烷基或芳基。 二胺化合物可用作电子照相感光体应用中的电荷传输材料,特别是包含含有作为电荷产生材料的颜料的电荷产生层的分层感光体以及含有二胺作为电荷传输材料的电荷输送层。
摘要:
An electrophotographic photoconductor is disclosed, which comprises an electroconductive support and a photoconductive layer formed thereon comprising a bisazo pigment having the formula (I) serving as a charge generating material: ##STR1## wherein Ar represents a residual group of a coupler represented by ArH selected from the group consisting of: an aromatic hydrocarbon compound having a hydroxyl group, a heterocyclic compound having a hydroxyl group, an aromatic hydrocarbon compound having an amino group, a heterocyclic compound having an amino group, an aromatic hydrocarbon compound having a hydroxyl group and an amino group, a heterocyclic compound having a hydroxyl group and an amino group, an aliphatic compound having an enolic ketone group, and an aromatic hydrocarbon compound having an enolic ketone group. Further, charge generating materials and novel bisazo pigments for use in the electrophotographic photoconductor are disclosed.
摘要:
A charge transporting material comprising a 1,3-pentadiene derivative having formula I):A--CH.dbd.CH--CH.dbd.CH--CH.sub.2 --A (I)wherein A represents a 9-anthryl group which may have a substituent, a N-substituted carbazolyl group which may have a substitutent, a N-substituted- phenothiazinyl group which may have a substituent or ##STR1## in which Ar represents an arylene group which may have a substituent, R.sup.1 and R.sup.2 each represent an alkyl group which may have a substituent, an aralkyl group which may have a substituent, or an aryl group which may have a substituent; an electrophotographic photoconductor comprising an electroconductive support and a photoconductive layer formed thereon, which comprises as an effective component at least one of the 1,3-pentadiene derivatives of the above formula (I); and novel 1,3-pentadiene derivatives of the formula (I), provided that in the formula I), R.sup.1 and R.sup.2 cannot be a methyl group at the same time, are disclosed.